FR2528267A1 - GARDEN TOOL FOR WORKING EARTH - Google Patents

Abstract

GARDEN TOOL FOR WORKING THE LAND. THE TOOL IS CHARACTERIZED IN THAT HAS A FIXING CAPABLE OF RECEIVING A HANDLE 28, IS LINKED A TOOL HEAD 10, SENSITIVELY PRESENTING THE SHAPE OF A PLATE AT THE PERIPHERY OF WHICH ARE PROVIDED SEGMENTS OFFERING VARIOUS CONFIGURATIONS SUCH AS NOTCHES ANDOR DEFORMATIONS AND INTENDED FOR DIFFERENT WORK OPERATIONS.

Description

1.

  The present invention relates to a tool for

  vail of the land and the maintenance of gardens, campsites, cemeteries, etc. For the work and maintenance of flowerbeds or curbs in gardens or other green spaces, it is generally necessary to use successively several

  different tools at very short time intervals.

  To avoid having to travel long distances to retrieve and retrieve the tools, this requires the simultaneous placement of a large number of tools at the workplace, which, as is well known , is inconvenient and is only worthwhile when it comes to major work However, the aforementioned applications frequently ask only small gardening work for which it would be awkward and cumbersome to take away

a lot of separate tools.

  To avoid these difficulties, it is already known, particularly

  in the case of the maintenance of graves in the cemeteries

  res, small combined tools in which are provided at both ends of a handle member, a head

  tool-shaped tool and a rake portion.

  To perform the various work operations, we must return these tools, which has the consequence that after having done a work and having returned the tool, we must take this tool in the hand by its dirty part of

  This is inconvenient In addition, these tools,

  many, are of a very imperfect construction for

the work planned.

  The invention aims to eliminate these disadvantages, and in particular to solve the problem of creating a universal instrument or tool for the cited applications

  at the beginning, which is particularly

  for each application, but which brings a large number of work possibilities ensuring optimum efficiency, the transition from a working mode to

  another to be done in an extremely simple way.

  According to the invention, it is proposed to solve this problem.

  a work tool in which, at a fixation

  2. having a handle or a handle, is secured a tool head having substantially the shape of a plate on the periphery of which are provided several

  segments that have different configurations such

  the only notches and / or deformations and intended for different operations of work In a preferred embodiment, the head of the tool is constituted by a substantially circular plate on the periphery of which

  sectors with a straight edge are provided.

  for example for hoeing, sectors provided with a toothing, for example to equalize, crumble or rake, wedge-shaped tips, to draw rays, air etc.

  The head of the tool must advantageously be solid

  It can be dismantled in a removable manner, not only in order to allow mounting on the attachment of the tool heads corresponding to different jobs, but also in order to make it possible to work with the right hand or the left hand to assemble the head of the machine. attachment tool, it is provided, at the lower end of a sleeve for receiving the handle, a threaded rod carrying a clamping nut, and a support plate fixed integrally to this rod, forming a stop, and it must be provided on the tool head a recess intended to allow to press this

  tool head on the threaded rod To ensure a better

  their holding, it can be provided a spring washer, mounted movably in translation on the threaded rod, between the clamping nut constituted by a wing nut and

the tool head.

  On the backing plate, rotational locking lugs which can engage in holes should be provided to create a rotation-resistant assembly.

of the tool head.

  By means of the attachment, any other tool heads, such as, for example, grass combs, can also be accommodated, while on these tool heads are provided with mounting recesses provided with recesses for to put the tool heads on the rod 3.

  threaded bearing the support plate, as well as holes

  designed to receive the locking pins in rotation.

  According to another characteristic of the invention, the tool head must be pivotally mounted on the fastener so as to be able to assume different working positions. For this purpose, to secure the tool head with the attachment, it can be provided on the tool head a tilting axis held between fork legs which are bearing surfaces, axis with which is engaged a clamping hook with a threaded rod

  is screwed into a tightening nut carried by the fixing.

  The fork legs shall have a substantially rectangular shape, with bearing surfaces

  neighbors offset by 90 from each other.

  sometimes, in a preferred embodiment of branches

  fork, it may also be provided in each

  between two adjacent bearing surfaces offset from one another, other bearing surfaces

  inclined to the former, for example 45.

  The tightening nut can be fixed to the fixing by

  a welded connection but it can still be freely rotated

  tif in the fastening In order for the assembly to be held rigidly when the tightening nut is tightened, it must be provided on the threaded rod, between the fork legs

  and tightening nuts, washers and especially

elastic ones.

  So that the clamping nut is not soiled by the projected earth during work, the lower end * of the fastener can advantageously form a sleeve or a spacer sleeve, so that the nut is at least

  large distance from the tool head to the attachment.

  The plate-shaped tool head can also be

  composed of several plate elements and / or elements

  cut that can be superimposed and rotate one

  compared to others on fixing.

  To increase the number of application possibilities

  tion of the tool, it has proved advantageous to mount the

  plate elements and / or internally cut elements

  4. changeable on the fixation, these elements being able to be provided,

  for this purpose, a drilling to be axially fit-

  on the attachment or an elongated slot to be able to

  be fitted sideways on the binding.

  In order that the plate elements and / or cut-out elements can be arranged on the fastening in a defined position with respect to one another, it is necessary to provide on the plate elements and / or adjacent cut-off elements stops which can be made , for example, in the form

  bosses and grooves or pins and holes.

  The invention will now be described in more detail in the following with reference to the accompanying drawings, in which: FIG. 1 represents a tool head, with a fastener rigidly connected thereto and a handle;

  Fig 2 shows a sensitively shaped tool head

  circular; Fig 3 shows a plate-shaped tool head of substantially triangular shape; Fig 4 shows a fastener for mounting the tool heads by a removable connection;

  Fig 5 shows a single-use tool head

  sation intended to be mounted on the attachment according to Fig 4; Fig 6 shows a tool head according to the invention in different working positions;

  FIG. 7 represents a fastener according to the invention

  Figure 8 shows the same assembly in a plan view; Fig 9 shows, seen from the side, the same together with a tilted tool head; Fig 10 is an exploded view of the various elements of the fastener and the tool head; Fig 11 shows the mounting of the tool head on the fastener in its basic position; Fig. 12 shows the same assembly with the tool head inclined at 45; Fig 13 shows another embodiment of the attachment according to the invention, with an inclined tool head

at 900;

  Fig 14 is a top view of the attachment and the tool head; Fig. 15 is a side view with a tool head inclined at 90.degree.

  Fig 16 is a side view with a low-profile tool head

  abutment of 1800 with respect to FIG. 15; Fig. 17 shows another embodiment of a tool head; Fig 18 shows this tool head in different working positions; Fig 19 shows two cut-out elements in the form of plates according to the invention; Fig. 20 shows these elements in a working position;

  Fig 21 shows the same elements in another po-

work situation;

  Fig 22 shows a fastener for this head of

  til; Fig 23 shows the attachment with a tool head according to Figs 19 to 21 in working position

  Fig. 24 shows different other working positions.

  vail of the tool head; Fig. 25 shows a plate member or a cut-out element forming a straight hoe; Fig 26 shows a member forming a round or pointed hoe; Fig 27 shows a cut-out element forming a

narrow hoe.

  FIG. 1 shows a tool head 10 in the form of a plate, which is secured, for example by

  welding, with a fastener 17 for receiving a man-

  The tool head may have, for example, the shape shown in Fig 2, or in Fig 3, or any other suitable form. The two tool heads 10 and 11 of Figs 2 and 3 are made of in order to be assembled by a removable connection to a handle such as 6.

  represented, for example in FIG.

  carry, for this purpose, recesses 26 which allow them to be fitted laterally onto the threaded rod of the handle after loosening of the tightening nut. The tool heads 10, II also have bores 25 into which lugs can be engaged. of rotation locking provided on the support plate to thereby prevent the head

  tool to turn unexpectedly on the fastener.

  The tool heads of FIGS. 2 and 3 comprise, on their periphery, segments or sectors of different configurations, for example, straight and sharp segments 13, which can be used for hoeing, toothed segments 14 which are suitable for emoting , break, rake or

  equalize, or segments 15 in the form of a tongue of

  designed to ventilate or shoot rays For very

  For this purpose, it is still envisaged in FIG.

  16 Of course, we can still imagine others

  In addition, it can be

  plating on the plates of the tool heads of other defor-

  appropriate configurations, for example curvatures.

  As mentioned above, the fastener shown in FIG. 4 makes it possible to mount the tool heads with removable links, so that it is also possible to replace the plate-shaped tool heads according to the invention with unique special tool heads 12

  as, for example, the grass comb 29 according to Fig 5.

  In this case, the tool head must be equipped with a suitable mounting plate 27 provided with a recess 26 and with holes intended to receive the locking pins in rotation.

provided on the binding.

  The fastener 18 of FIG. 4 has a bushing 19 of a usual construction mode on which a threaded rod 20 is fixed rigidly. On this threaded rod 20 is a wing nut 21 and an elastic washer 23 by means of which the head The tool, which is fitted on the threaded rod above a support plate 22 welded to this threaded rod, can be tightly pressed against the support plate. In order to change the tool head, the wing nut 21 is turned in the opposite direction, the tool head is extracted by lifting the pins 24 and then it is released laterally from the binding. Fig 6 shows different working positions of a

  tool head 19, ie to the left to equalize, at the center

  to shoot rays, and, on the right, to hunt.

  In the embodiment of Figs 7 to 10, the tool head is designated 110, the attachment 111 and the handle, which is a handle, by 112 As shown particularly in Fig 10 e, two branches fork 113 are provided on the tool head 110 and carry a tilting axis 129 With this tilting axis 129 is in

  take a clamping hook 119 which is mounted in the fi

  111 for this purpose, a clamping nut 117 is welded to the lower end of the fastener 111, as can be seen in particular in Fig 1 Oa To assemble the tool, it hangs the hook on the tilting axis 129 of the tool head

  , then put the washer 115 (Fig l Od) and the washer-

  the elastic 116 (Fig 1 Oc) on the threaded rod 130, after

  the nut 117 of the fastener 111 is screwed onto the upper stem

  This establishes the assembly between the fastener 111 and the tool head 110. By rotating the handle 112, a solid assembly is created between the fastener and the tool head, the washer 115 pressing against the upper surfaces 132 of the fork branches 113, which also serve as

  bearing seats in the position shown in FIG.

  If it is desired to place the tool head 110 in the position

  work shown in Fig 9, the

  screwed by turning the handle, enough to

  see tilting the tool head of 90 then tightening the ass-

  screwed appearance, the washer 125 then pressing against one of the side surfaces 132 and the attachment and the head

  of tool then being locked in this position.

  In FIGS. 7 to 10, fork legs 113

  have bearing surfaces 132 on their frontier surfaces.

252826?

  r. tales and on their side surfaces, so that the head

  110 can be brought from the normal pos-itioh 'repre-

  shown in Fig. 7 at the position of Fig. 9 or at a

  another 1800-folded position in relation to this

  Niere. FIGS. 11 and 12 show fork legs 114 provided with supplementary bearing surfaces 133 which extend at an angle of between 0 'and 90, that is to say that they have an inclination of 45 'by

  compared to the neighboring bearing area, as this is

  presented for example on the drawings In this way, the

  tool head 110 can also be placed in a position

  inclined with respect to the handle, as shown

in Fig 12.

  Fig. 13 shows an embodiment of the invention

  in which the sleeve 121 has a different shape

  rent, that is to say that the lower end of the handle

  121 is in the form of a spacer sleeve 134.

  In this way, it is avoided that the nut 118 used to adjust the clamping hook 120 has its threaded rod 131 too close to the ground and can be soiled by the loosened soil. In this embodiment, in order to disassemble the tool head, does not have to turn the set of the binding and the handle

  but it suffices to turn the nut 118, which can in this case

  fet, be a knurled nut but can also be a nut

to ears.

  Figures 14 to 16 show the different positions of

  the tool head 110 relative to the attachment 111 and to the man-

  Fig. 14 shows the basic position

  by a view from above of the fastener 111 and the head of or-

  122, which here has segments comprising a

  scraping hoe 123, a splashing hoe 124 and a splicer

  125 In the tilted position

  15 in a side view, the narrow hoe

  can be used as a hoe for weeding 126 and, in the

  In Figure 16, the wide hoe surface can be used as a spade 128 and one of the corners can be used as a scraper 9. For joints 127 It is still possible to imagine and

  realize many other applications by giving

  very configurations at the tool head.

  In Fig. 17, there is shown another embodiment of

  a plate-shaped tool head 135 having a curved edge a for hoeing or tearing, a toothed edge b for loosening or emotting, a straight edge c for scraping, for example scraping ice on the aisles in winter, or hovering, and a wedge-shaped edge for digging planting holes, or for drawing planting or other rays.

  shows very schematically possible working positions

  for this tool head The description given below

  above highlights the large number of possibilities for using a single plate-shaped tool head

  which has on its periphery several profiles

different lants.

  The plate members 211, 212 of Fig. 19 may be fitted with a hole 213 on a fastener and may then be rotated relative to each other around this hole or around a corresponding stem. By fastening so as to obtain very diverse working positions. In order that the plate elements can be fixed in their working position, in the example shown, the plate element 211 has holes 218.

  in which one can engage a pin 217 of the element 212.

  In this way, the elements can be adjusted to the posi-

  different working conditions in an extremely

  simple so that, for example, in the position represented

  shown in Fig. 20, the instrument can be used for

  seed lines, as shown in Fig. 24a, or to form a ridging groove, as shown in Fig. 24b, or as a lady as shown in Figs. 24a and 24d, or in a working position

  as shown in Fig. 20, to hover over

tower of plantations.

  Fig. 22 shows a fastener 210 for the tool head according to the invention. In this example, a plate member or a cut element is placed on the base plate 224 which carries pins 217 and a threaded rod 225. , we put a second plate element or a second element

  cut on the first element, in the desired position.

  Then we put the stop plate 218 and finally we

  screw on the package thus obtained the socket 226 which is

  left at the bottom, the whole is then blocked

  by means of an elastic washer 228.

  To change the working position, we loosen the

  The bushing 226 is made to rotate a plate member relatively to the second and then tighten it, which is indicated by the arrows in FIGS. 22 and 23. FIG. 23 also shows the working position of the head.

  tool, for example for weeding.

  25 to 27 show still various elements of plates or cut elements, some of which have a hole 213 for fitting onto the threaded rod 225 of the fastener 210 and another has an elongated slot

  214 for the lateral fitting of the elements

  that profiled elements made in the form of a

  polygon 219, a round hoe 220 or a narrow hoe 221, all of which are provided with a sharp edge 223 can be combined with other identical elements or with elements of a different configuration and which

  complete them appropriately.

11.

Claims (22)

R E V E N D I C A T IO N S   1 Tool for earthwork and maintenance   gardens, campgrounds, cemeteries or the like, -   characterized in that a fastener (17, 18)   see a handle (28), is connected a tool head (10, 11)   substantially in the form of a plate, at the   which are provided with a plurality of segments (13, 14, 16) having different configurations such as   notches and / or deformations and intended for different various work operations.   Tool according to claim 1, characterized in that the tool head is constituted by a plate (10) 9, which is circular, at the periphery of which are provided sectors (13, 14, 15) presenting, one a straight edge (13, for hoeing), the other a gear (14, for the equalizing and raking), another of the wedge-shaped tips (15, to ventilate, pull the lines) etc.   3: Tool according to one of claims 1 and 2,   characterized in that the tool head (10, 11, 12) is linked   to the fastener (18) in a removable manner.   4 Tool according to any one of the claims   1 to 3, characterized in that, to assemble the head of or-   til (10, 11, 12) to the fastener (18), there is provided a threaded rod (20) at the lower end of a socket (19) for mounting a handle (28), this threaded rod (20) being ) carrying a clamping nut (21) being provided with a support plate (22) which is secured thereto and forms a   stop, and in that a tool   deement (26) allowing to put this head on the rod threaded.   Tool according to claim 4, characterized in that   an elastic washer (23) is mounted movably in trans-   on the threaded rod (20), between the tightening nut formed as a wing nut (21) and the head tool.   6 Tool according to one of claims 4 and 5,   characterized in that rotational locking lugs (24) are provided on the support plate (22) which can be   engaged in holes (25) in the tool head (10, 11, 12).   Tool according to any one of claims 4   to 6, characterized in that mounting plates (27) are provided on tool heads (12) of any form of construction and are provided with recesses (26) for mounting the heads of oros on the threaded rod (20) itself provided with the plate -'support (22), and trouq (25)   intended to receive the locking pins in rotation (24).   8 Tool according to any one of claims 1 to   7, characterized in that the working tool (110, 122) is connected to the binding (111, 121) so that it can be   tilted into various working positions.   Tool according to claim 8, characterized in that   that for assembling the tool head (110, 122) to the fixing   (111, 121), there is provided on this tool head a tilting axis (129) held between fork legs (113, 114) which constitute bearing surfaces, axis with which is engaged a hook clamping device (119, 120) having a threaded rod (130, 131) which is screwed into a nut   clamping device (117, 118) carried by the fastener.   Tool according to one of claims 8 and 9,   characterized in that the fork legs (113, 114) pre-   feel a substantially rectangular shape, with   bearing faces (132) adjacent to each other, offset   90 relative to each other.   Tool according to claim 10, characterized in that   what, in each interval between two surfaces of por-   adjacent to each other (90) are provided with other bearing surfaces (133).   inclined to the first.   Tool according to any one of the claims   8 to 11, characterized in that the clamping nut (117) is   secured to the fastener (111) by a welded connection.   13 Tool according to any one of the claims   8 to 11, characterized in that the tightening nut (118) is   freely rotatably mounted in the fastener (121). 13.   Tool according to any one of the claims   8 to 13, characterized in that washers (115) and   spring washers (116) are mounted on the stem   tee (130, 131) between the fork legs (113, 114) and the clamping nut (117, 118).   Tool according to any one of the claims   8 to 14, characterized in that the lower end of the   fastener (121) forms a spacer sleeve (134).   16 -A tool according to any one of the claims   1 to 15, characterized in that the plate-shaped tool head is composed of a plurality of plate elements and / or cut elements (211, 212, 219, 220, 221) which can be above each other and rotate one   relative to each other on the fastener (210).   17 Tool according to claim 16, characterized in that the plate elements and / or the cut elements (211, 212, 219, 220, 221) are mounted interchangeably on the fastener (210).   Tool according to one of claims 16 and 17,   characterized in that the plate elements and / or elements   cut-outs (211, 212, 219, 220, 221) are provided with a   stitching (213) for mounting on the fastener (210).   Tool according to one of claims 16 and 17,   characterized in that the plate members and / or cut elements (211, 212, 219, 220, 221) are provided with elongated slots (214) for engaging on the fastener (210).   Tool according to any one of the claims   16 to 19, characterized in that on the plate elements and / or cut elements (211, 212, 219, 220, 221) are provided stops (215, 216, 217, 218) for fixing the elements of plate and / or elements profiled by   compared to others in defined positions.   21. A wire according to claim 20, characterized in that the stops are composed of bosses (215) and grooves (216) respectively provided on the elements of   plate and / or cut elements (211, 212, 219, 220, 221).   Tool according to claim 21, characterized in that the stops are constituted by lugs (217). and holes (218).