JP2008183275A - Infant chair - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an infant chair capable of easy installation on a sheet disposed close to a table in a stable state and preventing a false use. <P>SOLUTION: An infant chair 1 is installed on a sheet 3 disposed close to a table 2 and is provided with a seat part 20, a backrest part 30, and a chair main body 10 for supporting the seat part 20 and the backrest part 30. The chair main body 10 is suspended with an upper surface of the table 2 and an upper surface of the sheet 3 as pivots to support the seat part 20 in the air with respect to the upper surface of the sheet 3. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an infant chair, and more particularly to an infant chair installed on an installation surface that is disposed close to a table.

  Conventionally, an infant chair for optimizing the seating position of the infant on the table has been used. This is for raising the height of the seat where the infant is seated against an infant who does not reach the table surface due to insufficient height when sitting directly on a general chair or seat. . As one of such infant chairs, there has been conventionally proposed an infant chair (booster seat) of a type that is installed on a seat arranged close to a table and raises the height of the seat.

  This type of infant chair increases the substantial height of the seat from the floor surface by installing a smaller chair on the normal seat and brings the infant's seating position closer to the table top surface. It is. Specifically, a horizontal leg installed on the upper surface of the seat, a seat installed on the upper part of the leg to seat an infant, an engagement member engaged with a table in front of the chair, and a seat in the rear of the chair There has been proposed an infant chair provided with a frame that abuts on the boundary between the seat surface and the backrest, and a tension member for stretching the engaging member and the frame in the front-rear direction of the chair (for example, Patent Documents). 1).

JP 2002-336096 A

  However, the above-described infant chair has the following problems. That is, since the infant chair is installed on the seat, it is often used for a case where the seat is fixed around the table. However, since the seat for installing the infant chair is flexible and cannot be a stable installation surface, if the infant chair is used without being properly fixed to the table or seat, the infant chair becomes unstable. There was a possibility. Further, in order to appropriately fix the infant chair so as to be in a stable state, the infant chair is fixed between the table and the seat by a tension member provided on the infant chair. Installation work was necessary. Furthermore, since such an infant chair can stand on the seat without being fixed, there is a possibility that it may be used erroneously in an unstable state without being properly fixed. In addition, the structure for fixing the infant chair is complicated, which causes an increase in cost.

  The present invention has been made in view of the above, and provides an infant chair that can be easily installed in a stable state on a seat arranged close to a table and can prevent misuse. With the goal.

  In order to solve the above-described problems and achieve the object, an infant chair according to claim 1 is an infant chair installed on an installation surface arranged close to a table, and includes a seat portion and a backrest. And a chair body that supports the seat part and the backrest part, the chair body is suspended with the upper surface of the table and the installation surface as fulcrums, and the seat part is supported with respect to the installation surface It is characterized by being supported hollow.

  The infant chair according to claim 2 is the infant chair according to claim 1, wherein the chair main body is below the seat portion and behind the backrest portion, and is an upper surface of the installation surface. And a first arm part that contacts the upper surface of the table above the seat part and in front of the backrest part, the leg part and the first arm part The chair body is suspended by.

  The infant chair according to claim 3 is the infant chair according to claim 2, wherein the chair main body abuts the lower surface of the table and holds the table together with the first arm portion. A second arm is provided.

  The infant chair according to claim 4 is the infant chair according to claim 3, wherein the second arm portion is rotatably supported by the chair body, and the seat portion or the It is connected to the chair body.

  The infant chair according to claim 5 is the infant chair according to claim 4, wherein the seat is in the vicinity of the front edge of the seat with the straight line being substantially parallel to the front edge as an axis. The second arm portion is rotatably supported by the main body, and the second arm portion is rotatably supported by the chair main body about a straight line substantially parallel to the front edge of the seat portion, and the rear edge portion of the seat portion, The second arm is connected to the second arm.

  The infant chair according to claim 6 is the infant chair according to claim 4, wherein the backrest portion is rotatably supported by the chair body together with the second arm portion, and the seat portion. The back edge part and the said backrest part are connected, It is characterized by the above-mentioned.

  The infant chair according to claim 7 is the infant chair according to any one of claims 4 to 6, wherein the second arm and the seat or the chair body are spaced apart from each other. It is characterized by comprising a connecting length adjusting means for adjusting the.

  An infant chair according to claim 8 is characterized in that, in the infant chair according to any one of claims 2 to 7, the first arm portion is an armrest portion.

  The infant chair according to claim 9 is the infant chair according to any one of claims 3 to 8, wherein an end cap is provided at an end of the second arm portion on the table side. The end cap has at least two types of thicknesses different from each other as the thickness from the attachment position to the second arm portion to the periphery of the end cap, and the second arm The thickness of the end cap interposed between the second arm portion and the table can be adjusted by changing the mounting direction of the end cap with respect to the portion.

  The infant chair according to claim 10 is the infant chair according to any one of claims 1 to 9, wherein an upper surface of the seat portion projects upward from the seat portion. And the anti-slip | skid means which prevents the said infant from sliding down from the said seat by being located in the crotch part of the infant sitting on the said seat is characterized by the above-mentioned.

  According to this invention, the upper surface of the table having higher rigidity than the upper surface of the installation surface is used as one of the fulcrums of the infant chair, so that the infant chair can be installed in a stable state. Furthermore, since the infant chair cannot be made independent unless it is suspended over both the upper surface of the table and the upper surface of the installation surface, it prevents misuse such as using the infant chair while it is installed in an unstable state. be able to.

  According to the present invention, the infant chair can be used only when the leg portion and the first arm portion are respectively installed on the upper surface of the installation surface and the upper surface of the table, and the seat portion is supported in a hollow state. Therefore, the infant chair can be installed in a stable state, and misuse of the infant chair in an unstable state can be prevented.

  Further, according to the present invention, the installation state of the infant chair is further increased by holding the stable table between the first arm part and the second arm part and fixing the infant chair to the table. It can be stabilized.

  In addition, according to the present invention, the table can be held only by rotating the second arm connected to the seat or the chair body, so that the structure of the second arm is very simple. The manufacturing cost can be reduced.

  Further, according to the present invention, by applying a load to the seat portion according to the weight of the infant, the second arm portion operates in conjunction with the seat portion to hold the table. That is, since the infant chair is automatically fixed to the table when the infant is seated, the installation work can be made extremely easy.

  Further, according to the present invention, by applying a load to the seat portion according to the weight of the infant, the backrest portion rotates in conjunction with the seat portion, and the second arm portion operates in conjunction therewith to hold the table. That is, since the infant chair is automatically fixed to the table when the infant is seated, the installation work can be made extremely easy.

  Further, according to the present invention, the table can be held by rotating the second arm portion only by performing a simple operation of adjusting the distance between the second arm portion and the seat portion or the chair body. Can be made.

  Moreover, according to this invention, since an armrest serves as a part of supporting structure of the infant chair, the structure can be simplified and the manufacturing cost can be reduced.

  Further, according to the present invention, since the thickness of the end cap interposed between the first arm portion and the table can be adjusted, by changing the thickness of the end cap according to the thickness of the table, The distance between the end cap and the table can always match the thickness of the table, the table can always be securely clamped between the first arm and the second arm, and an infant chair can be installed. Time safety can be further enhanced.

  Moreover, according to this invention, it is possible to prevent the infant from sliding off the seat by the anti-slip means, so that the safety when using the infant chair can be further enhanced.

  Hereinafter, embodiments of an infant chair according to the present invention will be described in detail with reference to the accompanying drawings. [I] First, the basic concept common to each embodiment was explained, then [II] the specific contents of each embodiment were explained, and [III] Finally, modifications to each embodiment were explained. To do. However, the present invention is not limited to each embodiment.

[I] Basic concept common to the embodiments First, the basic concept common to the embodiments will be described. The chair for infants concerning each embodiment aims at optimizing the seating position of the infant with respect to the table.

  The installation target of the infant chair according to each embodiment is arbitrary, and for example, it can be installed on an installation surface arranged close to the table. Moreover, it can also be installed on a seat placed close to the table in restaurants and other restaurants and general households. In the following description, it is assumed that an infant chair is installed on the seat.

  One of the features of the infant chair according to each embodiment is that, generally, the infant chair is suspended with the upper surface of the table and the upper surface of the seat as fulcrums, and the seat portion on which the infant is seated is seated with respect to the seat. It has the structure of supporting in a hollow. Therefore, by setting the upper surface of the table having higher rigidity than the upper surface of the seat as one of the fulcrums of the infant chair, the infant chair can be installed in a stable state. Furthermore, since the infant chair cannot be made independent unless it is suspended over both the upper surface of the table and the upper surface of the seat, the infant chair cannot be installed in an unstable state on the seat. Can be prevented from being misused.

  In addition, one of the other features of the infant chair according to each embodiment is that it includes a clamp for holding the table roughly. Therefore, the infant chair can be easily fixed to the table which is a stable fulcrum, and can be installed on the seat in a stable state.

[II] Specific Contents of Each Embodiment Next, specific contents of each embodiment according to the present invention will be described.

[Embodiment 1]
First, the first embodiment will be described. In this form, the backrest and the clamp are integrated, and the backrest is connected to the seat.

  1 is a perspective view of an infant chair according to Embodiment 1 from an oblique front, and FIG. 2 is an oblique view of the infant chair from an oblique rear.

(Composition of infant chair)
First, the configuration of the infant chair according to the first embodiment will be described. As shown in FIG. 1, the infant chair 1 according to the first embodiment includes a chair body 10, a seat portion 20, a backrest portion 30, and a connecting belt 40.

(Composition of the chair for infants-chair body 10)
The chair body 10 is for supporting the seat portion 20 and the backrest portion 30, and includes a leg portion 11, an armrest 12, and a clamp 13, as shown in FIG. The leg portion 11 is a support structure for supporting the chair body 10 with the upper surface of the seat as a fulcrum, and is a structure that contacts the upper surface of the seat below the seat portion 20 and behind the backrest portion 30. It is extended. The shape and configuration of the leg portion 11 are arbitrary, but in the first embodiment, as shown in FIG. 2, two rod-like legs 11a are connected to these rod-like legs 11a. It is comprised from the earthing | grounding leg 11b contact | abutted with the upper surface of a sheet | seat. In addition, the leg part 11 may be comprised only by the one rod-shaped leg 11a, or the U-shaped leg formed by bending a metal pipe material can also be used.

  The armrest 12 is a support structure for supporting the chair main body 10 with the upper surface of the table as a fulcrum while supporting the arm of the infant seated from below and resting. It corresponds. Specifically, as shown in FIG. 1, it is formed as a rod-like body extending substantially parallel to the seating surface of the seat 20 from the vicinity of both sides of the backrest 30 toward the front. In particular, the front end portion of the armrest 12 protrudes horizontally toward the front, and its lower surface serves as a contact surface with the table upper surface. The shape and configuration of the armrest 12 are arbitrary, and a metal pipe material may be bent and integrated with the above-described leg portion 11.

  The clamp 13 is for abutting the lower surface of the table and holding the table together with the armrest 12, and corresponds to the second arm portion in the claims. Specifically, as shown in FIG. 1, it is formed as a rod-like body installed substantially parallel to the armrest 12 in the vicinity of the lower portion of each armrest 12 located on both sides of the chair body 10. The clamp 13 is rotatably supported by the chair body 10 via the clamp shaft 14. The clamp shaft 14 is inserted through the clamp 13 and the chair body 10 in a direction substantially parallel to the front edge of the seat portion 20.

  Here, an end cap 16 is provided at the end of the clamp 13 on the table side. The end cap 16 is an adjusting means for protecting the end of the clamp 13 and adjusting the distance between the clamp 13 and the table. In FIG. 3, the perspective view of the edge part cap 16 from diagonally back is shown. Specifically, the end cap 16 is provided with an insertion hole 16a for allowing an end (not shown in FIG. 3) of the clamp 13 to be inserted and removed, and the clamp 13 is inserted into the insertion hole 16a. The end cap 16 can be detachably attached to the end of the clamp 13 by inserting the end. Here, the end cap 16 is a distance between the mounting position of the end cap 16 with respect to the end of the clamp 13 (the center position of the insertion hole 16a in the vertical and horizontal directions) and the periphery of the end cap 16 (that is, the end cap 16). The thickness of the part cap 16 is at least two kinds of distances (thicknesses). Here, in FIG. 3, assuming that the thickness from the center position of the insertion hole 16a in the vertical and horizontal directions to the upper edge is H1, and the thickness from the vertical position of the insertion hole 16a to the lower edge is H2, the thickness H1. > Thickness H2. Therefore, as shown in the side view of the main part of FIG. 4, when the end cap 16 is attached so that the thickness H1 is located above the clamp 13, the end cap 16 and the table (in FIG. 4) The distance between the armrest 12) is H3. On the other hand, as shown in the side view of the main part of FIG. 5, when the end cap 16 is attached so that the thickness H2 is located above the clamp 13, the end cap 16 and the table (in FIG. 12) is H4 (> H3). Therefore, by changing the mounting direction of the end cap 16 according to the thickness of the table, the distance between the end cap 16 and the table can always match the thickness of the table, and the armrest 12 and the clamp 13 The table can always be held securely and the safety at the time of installation of the infant chair can be improved.

(Infant chair configuration-seat 20)
The seat 20 is for seating an infant and is formed as a substantially flat plate as shown in FIG. The seat portion 20 is freely rotatable by the chair body 10 via the seat portion rotation shaft 21 at a position intermediate between the contact surface of the leg portion 11 with the seat and the contact surface of the armrest 12 with the table. It is supported by. Accordingly, by bringing the leg 11 and the armrest 12 into contact with the seat and the table, the seat 20 is supported by the chair body 10 between the seat and the table, and is in a hollow (non-contact) state with respect to the seat. Supported. Further, the seat portion rotation shaft 21 is inserted into the seat portion 20 and the chair body 10 in the direction substantially parallel to the front edge of the seat portion 20 in the vicinity of the front edge of the seat portion 20.

  Further, an anti-slip crotch guard 22 is provided on the upper surface (seat surface) of the seat portion 20. The anti-slip crotch guard 22 corresponds to the anti-slip means in the claims, protrudes upward from the seat portion 20, and is a crotch portion of an infant sitting on the seat portion 20. Therefore, the infant is prevented from sliding off from the seat portion 20. Specifically, the anti-slip crotch guard 22 is formed as a short cylinder with a rounded upper end, and is fixed at a substantially central position on the left and right in the vicinity of the front edge of the upper surface of the seat portion 20. The height of the anti-slip crotch guard 22 is determined so that it can be locked to the crotch portion of the infant sitting on the seat portion 20 and does not interfere with the operation of sitting the infant on the seat portion 20. It is preferred that The material of the anti-slip crotch guard 22 is arbitrary, and can be formed of, for example, wood or a resin having cushioning properties.

(Infant chair configuration-backrest 30)
As shown in FIG. 1, the backrest 30 has a substantially flat plate shape and has a handle hole 31 in the vicinity of the center. Both side portions of the backrest portion 30 are fixed to the rear end portion of the clamp 13, and the backrest portion 30 is rotatably supported by the chair body 10 together with the clamp 13.

(Infant chair configuration-connecting belt 40)
The connecting belt 40 is for connecting the seat 20 and the backrest 30. As shown in FIG. 2, both end portions thereof are fixed to the rear edge portion and the backrest portion 30 of the seat portion 20. The shape and configuration of the connecting belt 40 are arbitrary, and a belt formed of synthetic fibers may be used. Or it may not be belt shape, for example, a universal joint formed with a metal or synthetic resin may be used.

(Installation and removal of infant chairs)
Next, a specific procedure for installing and removing the infant chair 1 according to the first embodiment will be described. 6 to 8 are side views of the infant chair 1, FIG. 6 shows a state in which the infant is seated, FIG. 7 shows a state before or after installation, and FIG. 8 shows a state at the time of installation. As shown in FIG. 6, the infant chair 1 is used by being installed on a seat 3 disposed in proximity to the table 2. When the infant chair 1 is installed on the seat 3, first, the infant chair 1 is held in the handle hole 31 and transported to the vicinity of the seat 3 serving as an installation location.

  Next, while holding the handle hole 31, the infant chair 1 is arranged at a height where the upper surface of the table 2 is located between the armrest 12 and the clamp 13, and the front of the infant chair 1 is placed on the table 2. The infant chair 1 is advanced until the armrest 12 reaches the upper surface of the table 2. Thereafter, as shown in FIG. 7, the infant chair 1 is lowered until the leg 11 and the armrest 12 come into contact with the upper surface of the seat 3 and the table 2. At this time, the chair body 10 is suspended and supported by the armrest 12 that is in contact with the upper surface of the table 2 and the leg portion 11 that is in contact with the upper surface of the seat 3, and the seat 20 is seated by the chair body 10. Is supported hollow.

  When an infant is seated on the seat 20 in this state, a downward load is applied near the center of the seat 20 depending on the weight of the infant. As described above, since the seat portion 20 is rotatably supported by the chair body 10, the rear edge portion of the seat portion 20 around the seat portion rotation shaft 21 positioned at the front portion of the seat portion 20. Pivots downward. As the seat portion 20 rotates, the connecting belt 40 fixed to the rear edge portion of the seat portion 20 is pulled downward, and a downward load is applied to the backrest portion 30 fixed to the upper end of the connecting belt 40. Is transmitted. Here, since the backrest part 30 is rotatably supported by the chair body 10 together with the clamp 13 as described above, it rotates downward together with the rear end part of the clamp 13. In conjunction with this rotation, the clamp 13 rotates about the clamp shaft 14, so that the front end portion of the clamp 13 rotates upward and comes into contact with the lower surface of the table 2. When the front end portion of the clamp 13 and the lower surface of the table 2 come into contact with each other in this way, an upward load is applied to the table 2 from the front end portion of the clamp 13. Since a downward load is applied to the table 2 at the front end of the armrest 12, the infant chair 1 narrows the table 2 with the front end of the armrest 12 and the front end of the clamp 13, as shown in FIG. Thus, the chair body 10 is more firmly connected to the table 2. Further, in this state, the anti-slip crotch guard 22 (not shown in FIG. 8) is positioned at the crotch portion of the infant, so that the infant is prevented from sliding forward from the seat portion 20.

  Thereafter, when the infant chair 1 is removed from the seat 3, after the infant is taken out of the infant chair 1, the backrest 30 is lifted upward while holding the handle hole 31. As the backrest 30 is turned upward by this lifting operation, the front end of the clamp 13 that is in contact with the table 2 is turned downward in conjunction with this, and is separated from the lower surface of the table 2. Therefore, as shown in FIG. 7, the infant chair 1 does not hold the table 2, and the infant chair 1 can be easily removed.

  If the infant chair 1 is mistakenly lowered without placing the armrest 12 on the upper surface of the table 2 when the infant chair 1 is placed on the seat 3, the supporting point of the infant chair 1 is the leg 11. And the sheet 3 only. In this state, since the center of gravity of the infant chair 1 is in front of the leg portion 11, the infant chair 1 falls forward and cannot be used as a chair. That is, the infant chair 1 can be used only after the infant chair 1 is appropriately disposed on the seat 3. As described above, in the first embodiment, in the state where the infant chair 1 is not properly suspended from both the upper surface of the table 2 and the upper surface of the seat 3, the infant chair 1 is intentionally disabled. The infant chair 1 is prevented from being used in an unstable state.

(Storing infant chairs)
Next, storage of the infant chair 1 according to the first embodiment will be described. 9 and 10 are perspective views showing a storage configuration of the infant chair, FIG. 9 is a diagram showing a state before being placed on the stacking freestanding table, and FIG. 10 is a state after being placed on the stacking freestanding table. FIG. When the infant chair 1 is stored, as shown in FIG. 9, the infant chair 1 is stacked and stored over a plurality of levels. At this time, on the upper surface of the armrest 12 of the lower infant chair 1, a portion of the lower surface of the chair main body 10 of the upper infant chair 1 that is in front of the leg portion 11 is placed and stacked in a plurality of stages. . And storage of the infant chair 1 is completed by mounting the front part of the lowest infant chair 1 on the stacking self-supporting stand 50. The stacking self-supporting stand 50 is a pedestal formed for storing the infant chair 1 and is formed at a height corresponding to the front edge of the seat 20, and the front edge of the seat 20 is stacked. The infant chair 1 can be made independent by being placed on 50. According to such a storage structure, by allowing the infant chair 1 to be stored in a plurality of stages, it is possible to reduce the space required when storing the plurality of infant chairs 1 when not in use. Further, by reducing the storage space for the infant chair 1 in this manner, the infant chair 1 can be easily introduced into a relatively small store.

(Effect of Embodiment 1)
As described above, according to the first embodiment, the upper surface of the table 2, which is a flat surface having high rigidity, is used as one of the fulcrums of the infant chair 1, so that the infant chair 1 can be installed in a stable state. . Further, since the armchair 12 and the leg 11 are respectively installed on the upper surface of the table 2 and the upper surface of the seat 3 and the seat 20 is supported in a hollow state, the infant chair 1 can be used for the first time. 1 can be prevented from being misused in an unstable state. Moreover, the installation state of the infant chair 1 can be further stabilized by holding the stable table 2 between the armrest 12 and the clamp 13 and fixing the infant chair 1 to the table 2. Furthermore, by applying a load to the seat portion 20 according to the weight of the infant, the clamp 13 operates in conjunction with the seat portion 20 to pinch the table 2. That is, since the infant chair 1 is automatically fixed to the table 2 when the infant is seated, the installation work becomes extremely easy. Moreover, since the armrest 12 also serves as a part of the support structure of the infant chair 1, the structure can be simplified and the manufacturing cost can be reduced. In addition to the basic effects described above, by storing the infant chair 1 in a plurality of stages, the space required for storage can be reduced.

[Embodiment 2]
Next, a second embodiment will be described. In this form, the clamp is connected to the chair body.

  FIG. 11 is a perspective view of an infant chair according to Embodiment 2 from an oblique front, and FIG. 12 is an oblique view of the infant chair from an oblique rear. The configuration of the second embodiment is substantially the same as the configuration of the first embodiment except where otherwise specified, and the same configuration as that of the first embodiment is used in the first embodiment. The same reference numerals and / or names are attached as necessary, and the description thereof is omitted.

(Composition of infant chair)
First, the configuration of the infant chair 1 according to the second embodiment will be described. As shown in FIGS. 11 and 12, the infant chair 1 according to the second embodiment includes a chair body 10, a seat portion 20, a backrest portion 30, and a connecting belt 40. The chair body 10 includes a clamp connecting portion 15 in addition to the leg portion 11, the armrest 12, and the clamp 13.

(Composition of the chair for infants-clamp connecting part 15)
The clamp connecting portion 15 is for connecting the clamps 13 located on both sides of the chair body 10 to each other, and is formed in a substantially rod shape. As shown in FIG. 11, both end portions of the clamp connecting portion 15 are fixed to the rear end portions of the respective clamps 13 behind the backrest portion 30.

(Infant chair configuration-seat 20)
As shown in FIG. 11, the seat 20 according to the second embodiment has the same shape as the seat 20 according to the first embodiment, but is completely fixed to the chair body 10. Yes.

(Infant chair configuration-backrest 30)
As shown in FIG. 12, the backrest 30 according to the second embodiment has the same shape as the backrest 30 according to the first embodiment, but is not fixed to the clamp 13 and is attached to the chair body 10. On the other hand, it is completely fixed.

(Infant chair configuration-connecting belt 40)
As shown in FIG. 12, the connecting belt 40 according to the second embodiment includes a length adjusting mechanism 41. The length adjustment mechanism 41 is for adjusting the mutual space | interval of the clamp 13 and the chair main body 10, and respond | corresponds to the connection length adjustment means in a claim. Specifically, both end portions of the connecting belt 40 are fixed to the center portion of the clamp connecting portion 15 and the center portion of the grounding leg 11b. The distance between the clamp connecting portion 15 and the grounding leg 11b is adjusted by the length adjusting mechanism 41, and the clamp 13 rotates in conjunction with this. The configuration of the length adjusting mechanism 41 is arbitrary, and for example, a metal ratchet buckle, a resin buckle, or the like can be used.

(Installation and removal of infant chairs)
Next, installation and removal of the infant chair 1 according to the second embodiment will be described. FIGS. 13 and 14 are side views of the infant chair. FIG. 13 shows a state where the chair is installed or removed, and FIG. 14 shows a state where the chair is installed. Similar to the infant chair 1 according to the first embodiment, the infant chair 1 according to the second embodiment is installed on the seat 3 after being transported to the vicinity of the seat 3 arranged close to the table 2. Is done.

  As shown in FIG. 13, the chair body 10 is suspended and supported by the armrests 12 that are in contact with the upper surface of the table 2 and the leg portions 11 that are in contact with the upper surface of the seat 3. Is in a state of being supported hollow with respect to the seat 3, the length adjusting mechanism 41 of the connecting belt 40 is operated to shorten the length of the connecting belt 40. Since the connecting belt 40 connects the grounding leg 11b and the clamp connecting part 15, the clamp connecting part 15 rotates in a direction approaching the grounding leg 11b, that is, downward. Since the clamp connecting portion 15 is fixed to the rear end portion of the clamp 13, the clamp 13 rotates around the clamp shaft 14 in conjunction with the operation of the clamp connecting portion 15, and the front end portion of the clamp 13 rotates upward. Moves to contact the lower surface of the table 2. In this manner, as shown in FIG. 14, after the infant chair 1 is in the state of holding the table 2 by the front end of the armrest 12 and the front end of the clamp 13, the infant is seated on the infant chair.

  When the infant chair 1 is removed from the seat 3, the length adjusting mechanism 41 is operated to increase the length of the connecting belt 40. When the length of the connecting belt 40 is increased, the clamp connecting portion 15 is rotated upward, and accordingly, the front end portion of the clamp 13 that is in contact with the lower surface of the table 2 is rotated downward. Move away from the bottom of the. Therefore, as shown in FIG. 13, the infant chair 1 does not hold the table 2, and the infant chair 1 can be removed.

(Effect of Embodiment 2)
As described above, according to the second embodiment, since the portion having the rotation mechanism is limited to the clamp 13, in addition to the basic effects similar to the first embodiment, the structure of the infant chair 1 is simplified. Manufacturing cost can be reduced.

[Embodiment 3]
Next, Embodiment 3 will be described. This form is the form which connected the seat part and the clamp.

  FIG. 15 is a perspective view of an infant chair according to Embodiment 3 from an oblique front, and FIG. 16 is an oblique view of the infant chair from an oblique rear. The configuration of the third embodiment is substantially the same as the configuration of the second embodiment unless otherwise specified, and the same configuration as that of the second embodiment is used in the second embodiment. The same reference numerals and / or names are attached as necessary, and the description thereof is omitted.

(Composition of infant chair)
First, the configuration of the infant chair 1 according to the third embodiment will be described. As shown in FIGS. 15 and 16, the infant chair 1 according to the third embodiment includes a chair body 10, a seat part 20, a backrest part 30, and a connecting belt 40. The chair main body 10 includes a leg portion 11, an armrest 12, a clamp 13, and a clamp connecting portion 15.

(Infant chair configuration-seat 20)
As shown in FIG. 16, the seat portion 20 according to the third embodiment is similar to the seat portion 20 according to the first embodiment via a seat portion rotating shaft 21 in the vicinity of the front edge of the seat portion 20. The chair body 10 is rotatably supported.

(Infant chair configuration-connecting belt 40)
As shown in FIG. 16, both end portions of the connection belt 40 according to the third embodiment are fixed to the center portion of the clamp connection portion 15 and the rear edge portion of the seat portion 20.

(Installation and removal of infant chairs)
Next, installation and removal of the infant chair 1 according to the third embodiment will be described. 17 and 18 are side views of the infant chair. FIG. 17 shows a state where installation or removal is performed, and FIG. 18 shows a state where the chair is installed. Similar to the infant chair 1 according to the first embodiment, the infant chair 1 according to the third embodiment is installed on the seat 3 after being transported to the vicinity of the seat 3 arranged close to the table 2. Is done.

  As shown in FIG. 17, the chair body 10 is suspended and supported by the armrest 12 that is in contact with the upper surface of the table 2 and the leg portion 11 that is in contact with the upper surface of the seat 3, and the seat portion 20 is supported by the chair body 10. When the infant is seated on the seat portion 20 after being in a state of being supported hollow with respect to the seat 3, a downward load is applied near the center of the seat portion 20 due to the weight of the infant. Thereby, the rear edge part of the seat part 20 rotates below centering on a seat part rotation axis | shaft. As the seat portion 20 rotates, the connecting belt 40 fixed to the rear edge of the seat portion 20 is pulled downward, and the clamp connecting portion 15 fixed to the upper end of the connecting belt 40 also rotates downward. . Further, in conjunction with the operation of the clamp connecting portion 15, the clamp 13 rotates about the clamp shaft 14, the front end portion of the clamp 13 rotates upward, and contacts the lower surface of the table 2. Accordingly, as shown in FIG. 18, the infant chair 1 is in a state of holding the table 2 by the front end portion of the armrest 12 and the front end portion of the clamp 13.

  When the infant chair 1 is removed from the seat 3, the clamp connecting portion 15 is lifted upward. When the clamp connecting portion 15 is rotated upward, the front end portion of the clamp 13 that is in contact with the table 2 is rotated downward and is separated from the lower surface of the table 2. Accordingly, as shown in FIG. 17, the infant chair 1 does not hold the table 2, and the infant chair 1 can be removed.

(Effect of Embodiment 3)
As described above, according to the third embodiment, by applying a load to the seat portion 20 according to the weight of the infant, the clamp 13 operates in conjunction with the seat portion 20 to pinch the table 2. That is, since the infant chair 1 is automatically fixed to the table 2 when the infant is seated, the installation work becomes extremely easy.

[III] Modifications to Each Embodiment While each embodiment according to the present invention has been described above, the specific configuration and means of the present invention are the same as the technical idea of each invention described in the claims. Modifications and improvements can be arbitrarily made within the range. Hereinafter, such a modification will be described.

(About problems to be solved and effects of the invention)
First, the problems to be solved by the invention and the effects of the invention are not limited to the above-described contents, and the present invention solves the problems not described above or has the effects not described above. There are also cases where only some of the described problems are solved or only some of the described effects are achieved.

(About the mutual relationship of each embodiment)
Each embodiment described above can be combined with each other in an arbitrary combination. For example, the length adjusting mechanism 41 in the second embodiment can be combined with the connecting belt 40 in the first or third embodiment. Thereby, the relative position of the seat part 20 and the backrest part 30 can be adjusted according to an infant's body shape, and sitting comfort can be improved.

(About seat belts)
In the first to third embodiments, a mechanism for holding an infant is not provided in the infant chair, but a seat belt or the like for preventing the infant from falling off may be provided in the infant chair. For example, as shown in FIG. 19, a three-point fixed seat belt 60 that is fixed by a seat portion 20 and a backrest portion 30 can be installed. By holding the infant using the seat belt 60 when the infant is seated on the infant chair 1, the infant can be prevented from falling off.

(About the end cap)
The end cap 16 can be formed with a structure different from that of the first embodiment. For example, as shown in FIG. 20, the outer shape of the end cap 16 has a substantially rectangular parallelepiped shape, and the distance (meat) from the mounting position of the end cap 16 (the vertical and horizontal center positions of the insertion hole 16 a) to each peripheral edge (side surface) As the (thickness), a distance (wall thickness) of three or more types (in FIG. 20, four types of H1, H2, H5, and H6) may be taken. Furthermore, the end cap 16 may be a pentagon or more polygonal shape or a deformed spherical shape so that a larger distance (wall thickness) can be obtained. In this case, the distance between the end cap 16 and the table can be adjusted more finely. Moreover, while making the edge part (not shown in FIG. 20) of the clamp 13 cylindrical, and making the penetration hole 16a cylindrical, it rotates with the edge part cap 16 being attached to the edge part of the clamp 13. Only the thickness direction can be adjusted, and the adjustment becomes easier.

  The infant chair according to the present invention can be applied to an infant chair installed on a seat arranged close to a table, can be easily installed in a stable state, and prevents misuse. Useful for.

It is a perspective view of the infant chair concerning Embodiment 1 of the present invention. It is a perspective view from the slanting back of the infant chair. It is a perspective view of the end cap from diagonally rear. It is a principal part side view of a chair for infants. It is a principal part side view of a chair for infants. It is a side view of the infant chair in a state where an infant is seated. It is a side view of the chair for infants in the state which performs installation or removal. It is a side view of the chair for infants in the installed state. It is a perspective view which shows the storage form of the chair for infants, and is a figure which shows the state before mounting to a stacking self-supporting stand. It is a perspective view which shows the storage form of the chair for infants, and is a figure which shows the state after mounting in a stacking self-supporting stand. It is a perspective view from diagonally forward of the infant chair which concerns on Embodiment 2 of this invention. It is a perspective view from the slanting back of the infant chair. It is a side view of the chair for infants in the state which performs installation or removal. It is a side view of the chair for infants in the installed state. It is a perspective view from the diagonal front of the infant chair which concerns on Embodiment 3 of this invention. It is a perspective view from the slanting back of the infant chair. It is a side view of the chair for infants in the state which performs installation or removal. It is a side view of the chair for infants in the installed state. It is a perspective view of an infant chair provided with a three-point fixed seat belt. It is a perspective view of the end cap from the slanting back which concerns on a modification.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Infant chair 2 Table 3 Seat 10 Chair main body 11 Leg part 11a Rod-like leg 11b Grounding leg 12 Armrest 13 Clamp 14 Clamp shaft 15 Clamp connection part 16 End cap 16a Insertion hole 20 Seat part 21 Seat part rotation shaft 22 Non-slip Crotch guard 30 Backrest 31 Handle hole 40 Connection belt 41 Length adjustment mechanism 50 Stacking self-supporting stand 60 Seat belt

Claims (10)

An infant chair installed on an installation surface arranged close to a table,
A seat, a backrest, and a chair body that supports the seat and the backrest;
The chair body is suspended with the upper surface of the table and the installation surface as fulcrums, and the seat portion is supported hollow with respect to the installation surface;
Infant chair characterized by. The chair body is
Legs that come into contact with the upper surface of the installation surface below the seat and behind the backrest,
A first arm portion that is in contact with the upper surface of the table above the seat portion and in front of the backrest portion;
The chair body is suspended by the leg and the first arm,
The infant chair according to claim 1. The chair body includes a second arm portion that contacts the lower surface of the table and holds the table together with the first arm portion;
The infant chair according to claim 2. The second arm is rotatably supported by the chair body and is connected to the seat or the chair body;
The infant chair according to claim 3. The seat is rotatably supported by the chair body around a straight line substantially parallel to the front edge in the vicinity of the front edge of the seat,
The second arm portion is rotatably supported by the chair body about a straight line substantially parallel to the front edge of the seat portion,
The rear edge of the seat and the second arm are connected;
The infant chair according to claim 4. The backrest portion is rotatably supported by the chair body together with the second arm portion,
The rear edge of the seat and the backrest are connected;
The infant chair according to claim 4. A connection length adjusting means for adjusting a distance between the second arm portion and the seat portion or the chair body;
The infant chair according to any one of claims 4 to 6, characterized in that. The first arm is an armrest,
The infant chair according to any one of claims 2 to 7, characterized in that. An end cap is provided at the end of the second arm on the table side,
The end cap has at least two types of thicknesses different from each other, as the thickness from the attachment position to the second arm portion to the periphery of the end cap,
The wall thickness of the end cap interposed between the second arm portion and the table can be adjusted by changing the mounting direction of the end cap with respect to the second arm portion,
The infant chair according to any one of claims 3 to 8, characterized by: The upper surface of the seat portion protrudes upward from the seat portion, and prevents the infant from sliding off the seat portion by being positioned on the crotch portion of the infant sitting on the seat portion. Provided with non-slip means to
The infant chair according to any one of claims 1 to 9, characterized in that.

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