JP3393819B2 - Clipless pedal for bicycle - Google Patents

Description

Description BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clip for a bicycle.
Engaging and retaining the pedals, especially the cleats of the rider's shoe
Bicycle clipless pedal having engagement holding device
It is about. [0002] A shoe of a rider is fixed on a bicycle pedal.
To wrap around the front of each shoe of the rider
Bicycle pedals with a pump are used. pedal
The toe clip combining the strap with the pedal
Raise or lower the pedal when transmitting the stepping force
There is no support for this movement, but it does not come off easily when falling
There is a problem. Therefore, the clipless pedal
Used as a replacement for pedals with up clips
It has become In bicycle clipless pedals, the rider
Engage the cleat provided on the sole of the
An engagement holding device for holding on the pedal tread is provided
Have been. The engagement holding device is used when the shoe slips from the pedal.
In addition to preventing slippage, it also prevents
In this case, the shoe is likely to come off the pedal. Conventional
Ripless pedals generally only engage the cleats
Pedestal with an engagement holding device mounted on top of it
It consists mainly of The pedal body is freely rotatable around the pedal shaft
Attached to. The engagement holding device includes a pedal.
Holding claw fixed to the main body of the
A movable claw operatively attached to the
Move the moving nail toward the cleat fixed to the sole of the rider.
And a moving spring. Cleats before and after
An engagement piece projects horizontally from the lower end, and under both front and rear ends
The surface should be a slope or curved surface that slopes inward downward.
The engaging and retaining device is provided with a horizontal screw of a cleat.
Operate the movable claw by sliding or sliding motion,
Can be released. [0004] However, the pedal
By forming the engagement holding device in the main body, the conventional clip
The press pedal was bulky and structurally complex. Yo
With conventional clipless pedals, assembly and cleaning are
They were difficult and took a lot of time.
In addition, conventional clipless pedals require relatively many parts.
Needing goods and therefore increasing weight and price
You. [0005] The present invention is directed to "
A pair of treads formed at the positions where
It is attached and protrudes downward from the center engaging projection and its front and rear.
Engaging with a cleat having a pair of engaged pieces
The bicycle clipless pedal.
Simple and easy to use, the overall size can be reduced and the cleats can be held in engagement.
Is stable and the engagement holding operation is easy.
And issues. [0006] [Means for Solving the Problems] [0007] To solve the above problems
The technical means of the present invention is described as follows.
Are engaged in the first engagement mode and the cleats (7
0), a pair of engaged pieces engages in the second engagement mode.
Upless pedal, rotatable with respect to pedal axis (12)
A first pedal section and a second pedal section to be mounted.
In the first engagement mode, the first engagement mode engages with the cleat (70).
Cleat (70) in the pair of first tread and the second engagement mode
And a pair of second treads adjacent to the first tread.
Provided, the first tread and the second tread are approximately 90 degrees in the rotational direction.
A first tread surface in the first pedal portion in a shifted relationship;
At the boundary between the front end of the
The engagement piece (43) (4) that engages with the front end of the engaged convex portion of the port (70)
5) the engaging hooks (42) and (44) provided with
The rear end of the first tread side and the front end of the second tread side
At the boundary with the part, the above-mentioned screw is
The protruding piece (39) (4) in contact with the rear end of the
A fastening hook (38) (40) provided with 1) is provided, and the engaging piece (4
3) (45) and protruding pieces (39) (41) oppose each other on the first tread side
The first pedal section and the second pedal section are shifted in the approaching direction.
A biasing means for rotating in the opposite direction, wherein the engaging piece on the first tread side is provided;
(43) Minimum distance between the rear end of the (45) and the front end of the protruding pieces (39) (41)
Set the separation smaller than the maximum length before and after the cleat (70).
And the rear and front ends of the engagement pieces (43) and (45) on the second tread side.
The maximum distance between the front end of the protruding piece (39) (41) and the cleat (70)
It is set smaller than the maximum length before and after, and the second engagement mode is set.
The pair of engaged pieces of the cleat (70)
For the engaging piece of the mating hook and the protruding piece of the tightening hook.
It is configured to engage from the front and back. " The above technical means operates as follows. Book
The inventive clipless pedal rotates about the pedal axis (12).
A first pedal portion and a second pedal portion rotatably mounted;
And in the first engagement mode, the engagement convex of the cleat (70).
A pair of first treads that engage with the part,
Engage with the pair of engaged pieces of the reed (70) and are adjacent to the first tread surface.
A pair of second treads that are in contact with each other, and a first tread and a second tread are provided;
Are in a relationship deviated by approximately 90 degrees in the rotation direction. 1st pedal
The engaging part engages with the front end of the engaged convex part of the cleat (70).
Engagement hooks (42) and (44) having mating pieces (43) and (45) are provided.
(2) The pedal section has a pair of cleats (70)
Clamping hooks (38) (40) with projecting pieces (39) (41)
Provide. The urging means comprises an engaging piece (43) (45) and a projecting piece (39).
(41) in the direction of approaching and approaching each other on the first tread side.
The pedal portion and the second pedal portion are relatively rotated. Therefore,
When used in the first engagement mode, the rider slightly lifts the shoe.
Tilt the cleat forward and downward to the first pedal at the center front of the cleat.
Hook below the engaging piece (43) of the section. And cleats
Of the second pedal portion under the projecting piece (39) of the second pedal portion.
Multiply. The urging means simultaneously connects these two hooks.
The cleats engage with the engaging piece (43) and the projecting piece (39).
Engaged between. To release this engagement, the rider's shoes must be removed.
Turn in a horizontal plane. Then the protruding piece (39) and the engaging piece (43)
Only a biasing force in the relative approach direction acts between
From the projecting piece (39) and the engaging piece (43) against this urging force.
The gap is pushed out and the cleat can be removed. On the other hand,
When using in the combined mode, put the rider's shoes
The front of the cleat so that it is outside the protruding piece (39).
And engage the outer rear of the cleat
Hook from the outside of the piece (45). This second engagement
In the mode, the biasing means separates the protruding piece (39) and the engaging piece (45).
Acts to let. This allows the cleat to protrude
The outer side of both the piece (39) and the engagement piece (45) is engaged. This person
Swing the rider's shoes in a horizontal plane to release
You. Then the relative separation between the protruding piece (39) and the engaging piece (45)
Only acts in the direction of
The distance between the protruding piece (39) and the engaging piece (45)
Can be removed. According to the present invention having the above-described structure, the following specific features
Has an effect. Make sure that the cleat engagement
The first pedal has a configuration that is deployed on a pair of treads.
Part, the second pedal part, and the biasing hand interposed between them.
The simple structure consisting of steps allows the whole to be miniaturized.
You. A first pedal section centered on the pedal axis;
Relative to the cleat by relative rotation of the pedal and the second pedal
The movement of each part during this disengagement is smooth
Yes, engaging and disengaging operations can be performed smoothly. [0015] Next, the above-described embodiment of the present invention will be described.
The state will be described in detail with reference to the drawings. FIG.
FIG. 9 is a perspective view of a bicycle (80) employing a lipless pedal.
The bicycle (80) has front and rear wheels (82) (84), frame
(86), Seat (88), Handlebar (90), Hawk (112)
, Rear sprocket (114) and chain (116)
Consists of the most common components. In addition, bicycle (80)
Are attached to the left and right crank arms (102) and (104) respectively.
Clipless pedals (10a) (10b).
On the right side of the bicycle (80), the left and right crank arms (10
2) Attach to shaft (not shown) connected to (104)
Only one sprocket (110)
On which the rear sprocket (114) is operated.
The chain (116) is wound in order to fit. Further
If necessary, remove for multiple sprockets and brakes
A wire may be provided. FIG. 2A shows the crank arm (102) and the crank.
FIG. 3 shows a more detailed perspective view of the lipless pedal (10a). Book
The clipless pedal (10a) related to the invention
(12) and a pedal rotatably attached to the pedal shaft (12).
It consists of a dull unit (11). The pedal unit (11)
Do not use traditional toe clips or straps
And engage the cleats of the rider's shoe to secure
And the pedal unit.
(11) is a very light
Also works as a pedal body that can produce a large amount of pedals
stand. The pedal unit (11) is operated by a biasing means.
First pedal biased to rotate relative to each other
Part and a second pedal part. FIG. 2B shows a crankcase.
The pedal shaft (12) is rotatably mounted on the arm (102).
Indicates when In order to attach rotatably like this
In the bearing (13) arranged in the crank arm (102)
The inner end of the pedal shaft is press-fitted and held.
You. This allows the pedal unit (11) to be
Install several parts so that they can be fixed to the pedal shaft (12).
Can be opened. Bearing (13) is a ball bearing
Alternatively, other known bearing types may be employed. FIG. 3 shows a clipless paper related to the present invention.
FIG. 3 is an exploded view of the dal (10a), showing the pedal unit (11).
Is the inner mounting piece (14), inner bushing (54), spring bush
(22), coil spring (20), adjusting screw (32), center mounting
Piece (18), central bearing means (56), outer mounting piece (16),
It comprises an outer bushing (26) and a nut (24).
At the top and bottom of the center mounting piece (18)
Engaging hooks (42) and (44), while
Attachment on both ends of the outer mounting piece (16)
(38) and (40). The center mounting piece (18) and the engaging hooks (42) (44)
The first pedal portion is formed by the inner mounting piece (1
4), outer mounting piece (16), and fastening hooks (38) (40).
Thus, a second pedal portion is formed. The pedal shown in FIG.
The components used to form the unit are just examples
And can be modified in number and configuration. For example,
One pedal is mounted at the center with a pair of engaging hooks (42) (44).
Illustrated as being composed of three parts of a piece (18)
However, these may be one. Similarly, the inner mounting piece
(14) and outer mounting piece (16) make up the second pedal section
Two or more parts are center mounted, as
It may be used for the piece (18). Also, pedal shaft (12)
For example, the through-hole for inserting
It may be limited by more semicircular portions. FIG. 3 shows an example of the connection of many components.
These constituent materials may vary. For example, the first pedal
Part is mounted rotatably around the pedal axis (12)
May be. In addition, a part of the first pedal portion is engaged and / or
Is easy to release, and the feeling of unity to the rider
Movement in the pedal section so that the
In order to provide the work, it may be made of an elastic material. Similarly, the second pedal section includes several components.
, But one integrated part
Or two or more parts
May be. On the other hand, the second pedal section also moves around the pedal axis (12).
It is rotatably mounted. In addition, the second pedal section
All or a part of may be made of an elastic material.
In this case, the margin and operation at the time of engagement and / or disengagement are determined.
Angle can be set. The pedal shaft (12) is made of an alloy having sufficient strength.
It is preferable to manufacture it integrally with steel, and the inner bushing (5
4), the spring bushing (22) and the central bearing means (56)
Has a diameter matching or slightly smaller than each hole
A cylindrical portion. To configure the pedal unit (11)
Fit the inner bushing (54) inside the inner mounting piece (14).
Similarly, flat bearings or needle bearings
Center bearings consisting of
Fit the aligning means (56) inside the center mounting piece (18).
You. The inner mounting piece (14) is pedaled through the inner bushing (54).
Rotatably mounted on the first shaft portion (12a) of the shaft (12)
On the other hand, the spring bushing (22) is
Externally fitted to the biaxial part (12b), the concave part (1
41) is rotatably held within. The nut (24) is
Attach piece (18), spring bushing (22) and inner mounting piece (14)
To hold the pedal shaft (12), set the screw (1
2c). The nut (24) is a snap ring
Or replace it with other retaining means such as washers or bolts
Is also good. Thus, the first pedal section and the second pedal section
The inner mounting piece (14), outer mounting piece (16), center
The mounting pieces (18) are each independent of the pedal axle (12)
Will be rotated around. When providing a predetermined rotational freedom, a number of other
Mounting structures can be employed as well. For example, pedal axis (1
2) may consist of two or more parts
One of which is fixed to the crank arm (102).
The other part is rotatably mounted on the part
I will attach it. One of the first pedal section and the second pedal section is the front
What is necessary is just to attach to the said rotating part directly. The first pedal
The pedal shaft or the second pedal
It may be formed integrally with the part. The first pedal section or the second pedal section
Either one is rotatably attached to the other pedal
And the other pedal is fixed to the crank arm.
May be rotatably attached to the pedal shaft. Each part
The conventional bearing and its
Many ways are possible by adopting combinations.
is there. For example, as a flat bearing on the center mounting piece (18)
When press-fitting the acting bushing, the bearing means (5
6) is either the inner mounting piece (14) or the outer mounting piece (16)
It may be press-fitted. Needle bearings can also be used
Or other bearings. Same for the second pedal
With any of the above bearings or other known bearings
The first pedal section or the second pedal section may be provided.
One of them is connected to the pedal shaft (12) via various bearings
Just attach it. Mounting piece (14) and outer mounting piece (16)
May be press-fitted. Needle bearings
Other bearings may be used. 2nd page
The dull section may also include any of the above bearings or other well-known
Bearings, the first pedal portion or the second pedal portion.
Either one of the pedals is
It only has to be attached to the dull shaft (12). Further, the first pedal section or the second pedal section
Either one can be used as a rotary mount for the other pedal
Including a tubular portion, the pedal portion not including the tubular portion
It can be mounted around the pedal shaft (12) and the shaft of the cylindrical part.
No. Finally, either the first pedal or the second pedal
One or both are supported at one end by a pedal shaft (12) or
Both ends are supported. One or both of the pedal sections is a pedal axle
Set the pedal shaft so that it has a margin in the axial direction of (12).
Or may be attached to other pedal parts
No. There is also room for cleats engaged with the pedal
Will be done. In FIG. 3, the center mounting piece (18) has
A bushing (26) is formed to have a cylindrical portion that is rotatably fitted to the outside.
ing. The outer mounting piece (16) is the outer periphery of the outer bushing (26).
Surface slidably, and the fastening hooks (38) (4
(0) is held by screws (34) and (36)
ing. Tighten hooks (38) and (40) with screws (28) and (30).
It is attached to the side attachment piece (14). In this one,
Inner mounting piece (14), outer mounting piece (16) and clamping hook
(38) and (40) are attached integrally, and the second pedal part
Is to rotate around the axis of the pedal shaft (12) as a single unit.
Become. The spring bushing (22) is provided on the inner mounting piece (14).
It is held in the recess (141). This spring bushing
(22) is a spring engagement slit for receiving one end of the coil spring (20).
(17), (19) and (21). The three spring engagement slips
(17), (19), and (21) use the biasing force of the coil spring during assembly.
Is selected for rough setting. Coil spring (20)
The other end of the opening into the opening (58) formed in the central mounting piece (18)
Will be retained. A plurality of these openings (58) are also formed.
The biasing force of the Ilspring (20) can be set roughly.
You. Thus, the coil spring (20) is
2) and the center mounting piece (18).
You. The spring bushing (22) has a first
For rotating one pedal part relative to the second pedal part,
For example, a spring adjustment screw that adjusts the torque such as torque
An interactive notch is formed. Coil spring (2
(0) Fix the pedal unit (11) to the sole of the rider's shoe.
Provide the necessary force to engage the cleats. A pedal unit for removing moisture and dust
Seal (not shown) to keep lubricant in slot (11)
Is an entrance to the pedal unit (11), for example, a pedal
Provided between the shaft (12) and the first pedal portion or the second pedal portion.
It is. Seals may also retain lubricant and / or
The first pedal to remove dust and water from each
And / or both of the second pedal section and the second pedal section.
The seal is provided between the first pedal portion and the second pedal portion, and
Select between the inner end of the pedal unit (11) and its outer end.
Provided alternatively. Between the second pedal section and the first pedal section
The seal rotates independently around the pedal axis.
It is arranged to be free. The lubricant inlet (not shown) also has an inner mounting
Skewer (14), outer mounting strip (16) and / or center mounting strip (18)
May be provided within. One or more gates
Provided for injected lubricants such as wreaths
You. This closes between the lubricant inlet and the gate.
It can wipe out trapped dust and other small pieces from the gate
it can. One or more passages provide lubricant to the first pedal.
And is provided so as to pass between the control unit and the second pedal unit. Previous
The passage has only a lubricant and a lubricant inlet.
So that it can be pressed into the first or second pedal section.
It can be closed freely. Provided between or on both pedals
By selectively blocking the passage between the gates
The passage is lubricated to penetrate through either pedal section
To control lubricant or apply lubricant through gate
Combined to extrude. As a result, the secured
The lubricant penetrates into the pedal as specified. FIG. 4 shows a clipless pen related to the present invention.
It is a top view of dull (10). As shown in FIG.
Screw (42) is attached to the center mounting piece (18) with screws (46) (48).
Is attached. On the other hand, the fastening hooks (38) and (40)
Connecting plate (3) fixed to mounting piece (14) and outer mounting piece (16)
8a) (40a) and the projecting pieces (39) (41) protruding from the upper end
Each is configured. Thereby, the engagement hook (42)
During the engagement and disengagement of the cleat, the shaft of the pedal shaft (12)
It will rotate relatively to the fastening hook (38). FIG. 5 shows a spring bushing of the coil spring (20).
(22) and engagement with the central mounting piece (18). As shown in FIG.
As shown, one end of the coil spring (20) is connected to the slot (17) (19) (21)
(In the figure, it is inserted into slot (21)
With the inner mounting piece (14).
The spring bushing (22) and the adjusting screw (32).
It is kept constant. The other end of the coil spring (20) is attached
It is inserted into the opening (58) of the piece (18). This allows
The first pedal and the second pedal are moved by the urging force of the spring.
Rotation relative to each other about the axis of the pedal shaft (12)
You. In other words, the first pedal section is
From the neutral position determined by the position of (32)
Can rotate in any direction. At this time, the engaging piece (43) and the projecting piece (39)
Relative rotation in the away direction is possible, but in the opposite direction
Relative rotation to the stopper at the rear end of the engagement hook (42).
(S) (S) and only the gap between the connecting plates (38a) (40a)
The state in which the two are in contact with each other is the maximum of the engaging piece (43) and the projecting piece (39).
It is a small interval. Further, the adjusting screw (32) is an adjusting plate or a machine.
It is replaced by a dial that is implemented in practice. This bias
The adjusting means is necessary to complete the pedal unit (11).
It is not necessary. For example, adjust the spring bushing (22).
Without the setting screw (32), the recess (14)
1) is related to the other components of the pedal unit (11).
The coil spring so that the coil spring can be
Non-cleat mounting configuration for receiving one end of the spring (20)
In the state, the stoppers (S) and (S) are connected to the connecting plates (38a) and (40a).
A configuration that abuts may be used. Other urging means is employed in place of the coil spring.
May be. For example, the first pedal may be made of an elastic material other than metal.
To provide a relative biasing force between the part and the second pedal part.
Thus, it may be used in place of the coil spring. In this case, the first
Attach one end of the elastic material to one of the pedal portion or the second pedal portion.
Attach the other end of this elastic material in the
Be attached or faced. Further, the urging means includes a pedal unit (11).
Engagement or clamping flanges rather than being concealed within
It may be attached to either outside of the rack. Like that
The biasing means attached to the outside is one of the pedals
Directly to the other pedal or indirectly via shoes
Provides biasing force. As shown in FIG.
The receiving parts (60a) (60c) integrated with the piece (14)
The receiving parts (60b) (60d) integrated with the attachment piece (16)
Stoppers integrated with the hooks (42) and (44) respectively
-(62a), (62c), (62b), and (62d). this
Turns clockwise as viewed from the crank arm (102)
Is possible, but the reverse rotation is prevented. The reverse
Rotation biasing force is applied by the coil spring (20).
In state. Another form of clipless in connection with the present invention
In the pedal (10), the pedal axle (12)
You can adjust the mounting position along
No. For example, the inner mounting position or the outer mounting position
May be set. Clipless pedal related to the present invention
Used with or without specially tailored shoes
To use the conventional toe clip or not
May be combined with other pedal platforms. That's it
Combined with conventional pedal platforms such as
The position of the clipless pedal can be set arbitrarily. example
For example, the position of a conventional clipless pedal is in the direction of the pedal axis.
Or offset except for the pedal axis
Side by side or separated in the longitudinal direction of the bicycle
It is tightened. Similarly, the clipless pedal of the present invention
Is also connected to other types of pedal unit (11).
You. For example, the movable claws and other biasing means are
Above, together with the fastening hooks (38) (40)
It is attached to form (11). Clipless pedal (10) related to the present invention
Will be described with reference to FIGS. 6 and 9. Shown in FIG.
As described above, the cleat (70) is engaged with the engagement piece (43) and the protruding piece (39).
To the rider's shoe so that
You. To engage, the front of the cleat (70)
3) First, it is hooked down, and then the rider
Push down the rear part as shown in FIG.
Turn the fastening hook (38) around the axis of the pedal shaft (12).
Let Step down on the back of the cleat (70) to
The slope (72) formed at the rear of the cleat (70)
Therefore, the distance between the engaging piece (43) and the protruding piece (39) is forcibly increased.
Can be added. The notch (74) in the protruding piece (39) is
The second pedal portion rotated by the force is engaged with the engagement piece (4
Make sure that the cleat (70) is securely engaged between 3) and the protruding piece (39).
It is returned to its original position with Then cleat (70)
The engagement piece (43) for releasing the engagement of the second pedal portion first.
Some horizontal rotation around the upright piece (431)
By this, it is engaged between the engagement piece (43) and the protruding piece (39).
The cleat (70) is released. The clipless pedal (10) is also a first pedal.
Part and the second pedal part have a function different from that described above.
A mechanism for engaging and disengaging the REIT may be provided. example
If the cleats are first engaged with the second pedal
No. At the time of disengagement, the rear part of the cleat is
First, remove from the 2nd pedal part side of the form shown in
In addition, the engagement of the front part may be released. In addition, another engagement
And the action of the first pedal portion and the second pedal portion in the release
Are substantially the same, either the first pedal section or the second pedal section.
One of the dull parts must be specified by the rider.
Engaged or disengaged on request. Further
As described above, the engagement is described as a vertical downward movement.
Or disengagement, in the selected design, the pedal axle
By movement of the cleat in a direction perpendicular or parallel to (12)
Achieved similarly. Thus, for engagement and disengagement
Employs any combination of vertical and parallel movement
it can. FIG. 7 shows a multi-piece for mounting the coil spring (20).
The number of slots (17) (19) (21)
One embodiment of the ring (22) is shown. Selected slot
The spring biasing force by the adjusting screw (32).
Fine adjustment becomes possible. As shown in FIG. 8, the pedal shaft (12) is
Since it is actually inserted through the spring (20), as a result
The resulting bias acts around the pedal shaft (12). coil
The diameter of the spring (20) changes when a torsional force is applied.
Large space inside the mounting piece (14) to adjust for changes in
Is provided in the cylindrical part of. This configuration is simple and easy to maintain.
Will provide a bias system to be maintained. FIG. 10 shows a bicycle showing the engagement of cleats.
It is a top view of a clipless pedal, as shown in the figure.
In addition, the front part of the cleat is under the engaging piece (43) of the engaging hook (42).
At the rear, and the rear part of the protruding piece (3
9) is tightened below. FIG. 11 relates to the present invention.
Clip for use with a series of clipless pedals
One of the forms of the sheet is shown. The cleat shown in FIG.
9 and the front and rear shown in FIG. FIG. 12 shows a bicycle according to an embodiment of the present invention.
Embodiment of Cleats Engaging with Clipless Pedal
Is shown. The cleat of FIG. 12 is shown in FIGS.
Two distinctly different first or second modes, as
The cleat engages the clipless pedal
Designed. FIG. 13 with the cleat of FIG.
Bicycle clipless pedal of the present invention for use
1 shows an embodiment of the present invention. The main features of the embodiment of the present invention shown in FIG.
The components generally correspond to those of FIG.
Is not described in detail. The symbols shown in FIG.
ing. The components shown are the inner mounting strip (14),
Inner bushing (54), spring bushing (22), coil coil
Spring (20), adjustment screw (32), center mounting piece (18), center bare
Ring means (56), outer mounting piece (16), outer bushing (26)
And a nut (24). Furthermore, engaging hooks (42) and (44)
A fastening hook (38) (40) is provided. Of the displayed component
Special dimensions and shapes are required for the cleats shown in FIGS.
As shown, at each position of the pedal turned 90 degrees, two
From the configuration of FIG. 3 to be engaged in either of the modes
Be changed. FIGS. 14 and 15 show the cleats of FIG.
Is engaged in the first engagement mode.
Are shown. As shown in FIG. 14, inside the cleat
The central front part (92) is hooked below the engagement piece (43) of the first pedal part.
Have been killed. On the other hand, the central rear part (94) of the cleat
It is hooked below the projecting piece (39) of the pedal section. coil
The biasing force set by the spring
Force the karibu at the same time. As shown in FIG.
As described above, the cleat is similar to the case shown in FIG.
It is engaged between the engagement piece (43) and the protruding piece (39). FIGS. 16 and 17 show FIGS. 14 and 15 respectively.
The second is rotated 90 degrees counterclockwise from the position shown in
The engagement mode is shown. Outer front (96) of cleat
It is hooked from the outside of the tab (39), while
The outer rear part (98) is hooked from the outside of the engagement piece (45).
I have. In this case, the urging force separates the protruding piece (39) and the engaging piece (45).
Acts to reverse. Cleat engages protruding piece (39)
Both outer sides of the piece (45) are engaged as shown in FIG. In order to realize this, a coil spring
(20) is in the neutral state in the state of FIGS.
Return biasing force acts on rotation in both directions.
It is configured to: Also, the projecting pieces (39) and (41)
Set so that the angle to the surface protrudes obliquely 45 degrees
deep. The first engagement mode shown in FIG. 14 and FIG.
And the second engagement mode shown in FIG. 17 are as follows.
It is. In the first engagement mode, the engagement of the cleat is performed.
The joint is located inside the engaging hook and the fastening hook, and the second
In the engagement mode, the engagement portion of the cleat is
Located outside the hooks and fastening hooks. As described above,
In the embodiment, it is possible to engage at four positions every 90 degrees.
The Rukoto. What has been described above is the clipless of the present invention.
This is an example of an embodiment in which a pedal is implemented, and various changes are made.
Needless to say, this is possible.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a bicycle employing a clipless pedal according to the present invention. 2 (a) is a perspective view of the bicycle crank and pedal assembly of FIG. 1; FIG. FIG. 3 is an exploded view of a clipless pedal according to the present invention. FIG. 4 is a plan view of the clipless pedal of FIG. 3; FIG. 5 is a top cutaway sectional view showing the clipless pedal engaging a cleat secured to the sole of the rider's shoe. FIG. 6 is a sectional view taken along line XX of FIG. 5; FIG. 7 is a ZZ of FIG. 5 showing a spring bushing and an adjusting screw;
Sectional view. FIG. 8 is a sectional view taken along the line YY of FIG. 5 showing a torsion spring position. FIG. 9 is an explanatory view showing a clipless pedal engaged with a cleat. FIG. 10 is a plan view of the pedal showing a state in which the pedal is engaged with a cleat. FIG. 11 is an illustration of a cleat used with a clipless pedal according to the present invention. FIG. 12 is an explanatory view of a cleat of the embodiment used with the clipless pedal according to the embodiment of the present invention. FIG. 13 is an exploded view showing the clipless pedal according to the embodiment of the present invention used with the cleat of FIG. 12; FIG. 14 is an explanatory view of the clipless pedal of the embodiment of the present invention which is engaged with the cleat of FIG. 12 in the first engagement mode. FIG. 15 is an explanatory view of the clipless pedal of the embodiment of the present invention, showing a state in which the cleat of FIG. 12 is engaged in the first engagement mode. FIG. 16 is an explanatory diagram of the clipless pedal according to the embodiment of the present invention that engages with the cleat of FIG. 12 in a second engagement mode in which the pedal is rotated 90 degrees. FIG. 17 is an explanatory view of the clipless pedal according to the embodiment of the present invention, showing a state where the pedal is engaged with the cleat of FIG. 12 in the second engagement mode in which the pedal is rotated by 90 degrees. [Description of Signs] (12) ・ ・ ・ Pedal shaft (70) ・ ・ ・ Cleat (43) (45) ・ ・ ・ Engagement pieces (42) (44) ・ ・ ・ Engagement hooks (39) (41)・ ・ ・ Projecting piece (38) (40) ・ ・ ・ Tightening hook (14) ・ ・ ・ Inner mounting piece (16) ・ ・ ・ Outer mounting piece (431) (451) ・ ・ ・ Upright piece (S) ・・ ・ Stopper (38a) (40a) ・ ・ ・ Connecting plate (20) ・ ・ ・ Coil spring (22) ・ ・ ・ Spring bushing (141) ・ ・ ・ Recess (32) ・ ・ ・ Adjustment screw (32a) ・ ・・ Tool support

Claims (1)

(57) [Claims 1] A pair of treads formed at positions opposite to each other with a pedal shaft interposed therebetween are attached to the sole of the rider's shoe and are engaged with a central engaged projection. In a bicycle clipless pedal adapted to be engaged with a cleat having a pair of engaged pieces projecting downward from the front and rear thereof, the engaged convex portion of the cleat (70) is engaged in a first engagement mode. A clipless pedal in which the pair of engaged pieces of the cleat (70) engage in the second engagement mode, and a first pedal portion rotatably mounted on the pedal shaft (12); A pair of first treads that engage with the cleat (70) in the first engagement mode, and engage with the cleat (70) in the second engagement mode; A pair of second adjacent to one tread
A first tread surface and a second tread surface are disposed so as to be displaced from each other by approximately 90 degrees in a rotational direction, and a front end of the first tread and a rear end of the second tread in the first pedal portion are provided. Engagement hooks (42) and (44) provided with engagement pieces (43) and (45) for engaging the front end of the engaged projection of the cleat (70) are provided at the boundary,
At the boundary between the rear end of the first tread side and the front end of the second tread side of the pedal portion, the rear end of the engaged convex portion of the cleat (70) is located at a position facing the engaging piece. Fastening hooks (38) and (40) having protruding pieces (39) and (41) in contact with each other, and the engaging pieces (43) and (45) and the protruding pieces (39) and (41) A biasing means for relatively rotating the first pedal portion and the second pedal portion in a direction in which the first pedal portion and the second pedal portion face each other on the tread surface side is provided, and a rear end of the engagement pieces (43) and (45) on the first tread surface side And the minimum distance between the front ends of the projecting pieces (39) and (41) is set smaller than the maximum length before and after the cleat (70), and the rear end of the engaging pieces (43) and (45) on the second tread side. And the maximum distance between the front ends of the protruding pieces (39) and (41) is set smaller than the maximum length before and after the cleat (70).
In the engagement mode, a clipless pedal for a bicycle in which a pair of engaged pieces of the cleat (70) is engaged with the engaging piece of the engaging hook and the protruding piece of the fastening hook from before and after the engaging piece. .