专利摘要:
The invention relates to an agricultural machine (1) characterized in that it comprises at least one seat (8) convertible between at least one sitting position and a kneeling work position, the seat (8) comprising: - a support cushion the bust and the head (C1), - a knee support cushion (C2) in the kneeling work position, - a central cushion (C3) pivoting transversely between a lowered support position of the pelvis in the working position kneeling and a raised position for sitting in the sitting position, the agricultural machine (1) further comprising a slide support structure (12) allowing at least one translational movement of the seat (8) in the direction of running of the machine (A), either in a direction transverse (T) to the running direction of the machine (A), or in said two directions (A, T), the seat (8) being mounted on a base (15) of the agricultural machine (1), the base (15) being pivotally mounted on the structure sliding support member (12) for pivoting the three cushions (C1, C2, C3) about a vertical pivot axis (Pv) of the agricultural machine (1).
公开号:FR3032593A1
申请号:FR1551174
申请日:2015-02-13
公开日:2016-08-19
发明作者:Ivan Lacrouts-Cazenave;Flore Lacrouts-Cazenave
申请人:Touti Terre;
IPC主号:
专利说明:

[0001] The present invention relates to an agricultural machine for carrying out agricultural work, such as market gardening work. In market gardening, most of the tillage is done with hand tools, the person using these tools being most often in a squatting position or kneeling on the ground. This work is repetitive and tiring, since it is necessary to prepare the ground after it has been plowed, that is to say, to weed, plant, weed, harvest. In addition, working on the ground involves body positions that are painful because they generate pain and, in the long run, can even cause pathologies including knees or back. Document FR2996981 is known, a straddle mini tractor to improve productivity and reduce the hardness of work. The mini tractor has two side rails joined by a tunnel cradle allowing the mini tractor to span at least one groove. It also has an ergonomic seat arranged between the two side rails. The ergonomic seat comprises two independent cushions, each cushion being provided with means for adjusting its position in at least one direction. By adjusting the position of each cushion, a user can be supported in a wide variety of postures to limit fatigue during a day's work on the tool.
[0002] However, this seat does not allow the user to take a comfortable position near the ground. Indeed, the user remains in a squatting position, which significantly solicits the lumbar muscles and can cause low back pain if this crouching posture is kept too long. One of the aims of the present invention is to propose an improved agricultural machine, which also makes it possible to reduce the difficulty of the work on the ground by the working posture that can be taken by the farmer. For this purpose, the subject of the invention is a rolling agricultural machine characterized in that it comprises at least one convertible seat between at least one sitting position and a kneeling work position, this seat comprising: a support cushion for the bust and of the head, a knee support cushion in the kneeling work position, 3032593 2 - a central cushion pivoting transversely between a lowered pelvic support position in the kneeling work position and a raised position for sitting in the knee position. seated position, the agricultural machine further comprising a slide support structure 5 allowing at least one translational movement of the seat is in the running direction of the machine, or in a direction transverse to the running direction of the in both directions, the seat being mounted on a base of the agricultural machine, the base being pivotally mounted on the slide support structure to allow a pivoting of the three cushions 10 around a vertical pivot axis of the agricultural machine. The user can therefore perform floor work in the kneeling position with support of the bust, head, hips and knees, adjacent to a ventral elongated position, with a radius of actuation of the hands on the ground important, which provides superior working comfort at squatting or kneeling positions on the floor, while allowing great flexibility of movement, thanks to the three movable supports of the seat. The three supports located at the level of the head, pelvis and legs, provide a comfortable position for the user and the mobility of the cushions makes it possible to better adapt the position of the user to the nature of the work to be done. According to one or more characteristics of the agricultural machine, taken alone or in combination, the agricultural machine comprises a chassis frame on which is mounted the slide support structure, the frame is mounted movable in vertical translation between a lowered position near the ground and an elevated position. This allows the user to be able to work closer to the ground or in an elevated position to more easily reach the plants for their care or picking. The user in the kneeling work position can thus move vertically in height by moving the assembly comprising the seat, which is simpler, more economical and more flexible than 30 if he had to shape the ground to adapt it to the gear, raising the ground between the wheel arches. the central cushion can tilt at an angle between 50 ° and 90 ° with the horizontal, to move from the raised horizontal position to the lowered pelvic support position. In the lowered support position of the pelvis, the central cushion wedges the user's hips by marrying the natural shape of the hip joint, substantially collapsed as "four-legged". This position protects the user's spine, improving his working posture. the base comprises a central cushion holding tube having a first vertical portion aligned with the vertical pivot axis and a second inclined portion carrying the central cushion, in the lowered support position of the pelvis, the central cushion bears against the second inclined part, which reinforces the pelvic support, the knee support cushion in the kneeling work position and the central cushion are integral, the knee support cushion pivoting transversely between a support position of the knees; knees in the kneeling work position and a back support position in the seated position, the angle a between the knee support pad seating surface and the central cushion seating surface in the lowered position the pelvic support cushion has a rounded and inclined rim forming a recess for the support of the user's knees; The support of the bust and the head is retractable between the kneeling work position and the seated position, the support cushion of the bust and the head is removably attached to the base, the support cushion of the bust and the head is pivotally mounted transversely, the support cushion of the bust and the head comprises a head support part supporting the user's forehead in the kneeling work position, in which a through hole is provided to allow the 'user to see the floor, the support cushion of the bust and the head comprises a head support portion and a bust support portion, the bust bearing portion having two wings extending V, the V tip being secured to the head support portion, to support the chest of the user in the kneeling work position. The V-shape makes it possible not to compress the lungs of the user and provides two lateral hooks, on each side of the user's neck, allowing the free movement of the arms. This particular shape allows the maintenance of the top of the bust of the user without stiffening his posture. the base comprises: a tube for holding the head cushion provided with at least one morphological adjustment means in length and one end of which is connected to the support cushion of the bust and of the head, and a tube for holding the head central cushion provided with a means of morphological adjustment in height and one end of which is connected to the central cushion.
[0003] SUMMARY DESCRIPTION OF THE DRAWINGS Other advantages and characteristics will appear on reading the description of a nonlimiting exemplary embodiment of the invention, as well as on the appended figures in which: FIG. 1 represents a schematic side view of an agricultural machine used in kneeling work position, Figure 2 shows a view of the agricultural machine of Figure 1 with the user sitting, Figure 3 is a view similar to Figure 2 with another 4 is an example of a machine with two seats, FIG. 5a shows an example of a seat with the central cushion in the raised to horizontal position, FIG. 5b shows the seat of FIG. the central cushion in the lowered pelvic support position, FIG. 6 shows a schematic side view of a seat in the kneeling work position, FIG. 7a shows a top view of the seat. 6 in which the seat is rotated about twenty degrees counterclockwise relative to the running direction of the machine, FIG. 7b shows a view similar to FIG. 7a in which the pivoted seat of about twenty degrees in the clockwise direction relative to the running direction of the machine, FIG. 7c shows a view similar to FIG. 7a, the seat having been displaced in translation in the direction transverse to the running direction of the machine. and Fig. 7d shows a view similar to Fig. 7a, the seat having been moved in translation in the running direction of the machine. In the remainder of the description, the longitudinal, vertical and transverse directions shown in FIG. 2 will be adopted by way of nonlimiting means by the fixed trihedron (L, V, T) with respect to the agricultural machine 1. The horizontal plane corresponds to the longitudinal plane, transverse (L, T). The direction of travel of the agricultural machine 1 is the longitudinal direction L, indicated by the arrow A in FIG. 1. DETAILED DESCRIPTION FIGS. 1, 2 and 3 show a rolling agricultural machine 1 used for carrying out agricultural work, such as market gardening. The machine 1 comprises a chassis frame 2 having an open structure that is to say without floor, crossing above the ground 4, for example rectangular and metal.
[0004] The machine 1 comprises at least 3 or 4 wheels 3, connected to the chassis frame 2, the wheel (s) 3 located (s) at the front being for example mounted (s) pivot to direct the l 1. The machine 1 may be equipped with various accessories and / or support one or more crates 5, for example worn at the front and rear of the machine 1, for the storage of harvested products or of plants to plant. The machine 1 may also be provided with an awning 6 to protect the user 7 from the sun or the rain. The machine 1 can also be motorized. It comprises, for example, an electric motor driving in rotation of driving wheels and a battery intended to supply energy to the electric motor. The electric motor is for example offset at the rear of the frame 2, so as to maintain the open structure of the frame 2. The machine 1 may also include solar panels, for example 5 arranged on the awning 6 to recharge the battery by converting solar radiation into electrical energy. The agricultural machine 1 comprises one or more seat (s) 8 (Figure 4), mounted (s) on the frame 2, for example side by side in the transverse direction T, for simultaneous use by multiple users 7 each of which is assigned to the work of its own soil culture line 4. An example of a two-seat arrangement 8 has thus been shown in FIG. 4. The seat 8 is convertible between at least one sitting position (FIGS. 2 and 3). in which the user 7 is seated and a kneeling work position (FIG. 1) in which the user 7 is practically lying on his stomach with the hips and the knees slightly bent "on all fours", the bust, the head with hips and knees supported. In the kneeling work position shown in Figure 1, the user 7 is substantially positioned in the center of the frame frame 2 in the running direction of the machine A. The floor 4 is easily accessible to the hands of the user 7 through chassis frame 2 (Fig. 7a-7d). This position is particularly useful for carrying out agricultural work on the ground 4, such as weeding, planting, sowing or harvesting because it is less tiring and weary for the back and knees. The seated position allows the use of the agricultural machine 1 for carrying out other types of agricultural work or facilitates prolonged driving of the machine 1. For this, the seat 8 comprises a support cushion of the bust and of the head C1, a knee support cushion C2 in the kneeling work position and a central cushion C3. The central cushion C3 is pivotally mounted transversely between a lowered pelvic support position 30, visible in FIG. 1 and 5b, and a position raised horizontally for the seat of the user 7 in the seated position (FIG. 3 and 5a). The three cushions C1, C2, C3 of the seat 8 are mounted on a base 15 of the machine 3032593 7 The agricultural machine 1 further comprises a slide support structure 12 mounted on the frame 2, allowing at least one translation of the seat 8 is in the running direction of the vehicle A (Figure 7d), or in a transverse direction T to the running direction A (Figure 7c), or in both directions A, T. The chassis frame 2 can also be mounted movably, for example on cylinders (not visible in the figures), in vertical translation between a lowered position and an elevated position, in order to raise / lower the assembly comprising the seat 8 on a run C for example between 30 and 70 centimeters, such as of the order of 50 centimeters (Figure 3). According to an exemplary embodiment, the machine 1 comprises vertical guide rails, for example arranged at the front and rear of the machine 1 to move the frame 2 vertically. The seat 8 can thus take a kneeling work position lowered (Fig. 1), raised sitting position (Fig. 3), lowered sitting position (Fig. 2), or elevated kneeling work position (not shown). This allows the user 7 to be able to work in a kneeling working position closer to the ground 4 or to work in a kneeling work position in an elevated position to more easily reach the plants for their care or picking.
[0005] The user 7 in the kneeling work position can thus move vertically in height by moving the assembly comprising the seat 8, which is simpler, more economical and more flexible than if it were to shape the ground to adapt it. to the vehicle 1, by raising the ground 4 between the wheel passages 3. The base 15 is pivotally mounted on the slide support structure 12 to allow pivoting of the three cushions C1, C2, C3 about an axis Pv vertical pivoting of the agricultural machine 1, for example about thirty degrees on either side of the running direction of the machine A. Thus in Figure 7a, the seat 8 has rotated about twenty degrees counterclockwise and in Figure 7b, approximately twenty degrees clockwise from the direction of travel of the machine A.
[0006] According to an example of embodiment better visible in FIG. 6, the base 15 comprises a tube for holding the central cushion 18 having a first vertical portion aligned with the vertical pivot axis Pv allowing the pivoting of the three cushions C1, C2. , C3 and a second inclined portion carrying the central cushion C3 at its end. The central cushion C3 is articulated around a transverse pivot axis PT, for example connected to a front end of the central cushion C3, along a transverse border, partially bypassing the transverse pivot axis PT (FIGS. 5b and 6). In the kneeling work position (FIG. 5b and 6), the central cushion C3 is inclined in the lowered support position of the pelvis. The central cushion C3 tilts, for example with respect to the horizontal, by an angle of between 50 ° and 90 °, such as of the order 60 °, to move from the raised horizontal position to the lowered position of pelvis support (Figure 5b). In the lowered support position of the pelvis, the central cushion C3 wedges the hips of the user 7 by marrying the natural shape of the hip joint, substantially folded as "on all fours". This position protects the user's spine 7, improving his working posture. According to an exemplary embodiment, in lowered support position of the basin, the central cushion C3 abuts against the second inclined portion of the central cushion holding tube 18, which reinforces the pelvic support. The second inclined portion of the central cushion holding tube 18 is then inclined at the same angle as the angle of inclination of the central cushion C3. The holding tube of the central cushion 18 may be provided with a height morphological adjustment means 19, for adjusting the height of the central cushion C3. According to an exemplary embodiment, the central cushion holding tube 18 comprises a sleeve tube and a tube insertable in the sleeve tube. The height morphological adjustment means 19 is for example made by positioning pins through holes formed transversely along the sleeves and insertable tubes. According to an exemplary embodiment, the support cushion of the bust and the head C1 comprises a head support portion 9 supporting the front of the user 7 in the kneeling work position 30. A through hole 10 is formed in the head support portion 9, to allow the user 7 in the kneeling position to see the ground 4. The support cushion of the bust and the head C1 may also comprise a bearing portion bust 11. This bust bearing portion 11 comprises for example two wings 3032593 9 11a, 11b extending in V (Figure 5a), the tip of the V being secured to the head support portion 9 to support the chest of the user 7 in the kneeling work position. The bust bearing portion 11 extending the head support portion 9 may be integral or may be in two parts joined by morphological adjustment means. The V-shape allows not to compress the lungs of the user 7 and household two side hooks on each side of the user's neck 7, allowing the free movement of the arms. This particular shape allows the maintenance of the top of the bust of the user 7 without rigidifying his posture. The base 15 comprises a retaining tube of the head cushion 16 extending substantially in the direction of travel of the machine A and one end of which carries the support cushion of the bust and the head C1. The holding tube of the head cushion 16 is for example bent upwards. The holding tube 16 may be provided with at least one morphological length adjustment means 17a, 17b, for adjusting the distance between the base of the tube 16 and the support cushion of the bust and the head C1.
[0007] For example, two length adjustment means 17a, 17b are provided before and after the curved zone of the head cushion holding tube 16. According to one embodiment, the head cushion holding tube 16 comprises at least one sleeve tube. and a tube insertable into the sleeve tube. The lengthwise morphological adjustment means 17a, 17b is for example formed by the positioning of pins through holes formed transversely along the insertable sleeve tubes. The knee pad C2 in kneeling position of the user 7 may have a rounded rim 13 and inclined forming a recess for the knees of the user 7, substantially folded in the kneeling work position.
[0008] The rounded flange 13 is arranged in the extension of a bearing surface 14 of the cushion C2 which allows the support of the legs. According to one embodiment, the knee support cushion C2 in the extended working position and the central cushion C3 are integral, the knee support cushion C2 pivoting transversely with the central cushion C3 of an angle α between a 30 kneeling position in the kneeling work position and a back support position in the seated position. The agricultural machine 1 is then adapted for prolonged use in sitting position, such as for use by arborists, nurserymen or winemakers.
[0009] For example, it is provided that the angle α between the bearing surface 14 of the knee support cushion C2 and the support surface of the central cushion C3 in the lowered support position of the pelvis is between 100 and 140 °. , such as of the order of 120 °.
[0010] The support cushion of the bust and the head C1 can be retracted between the kneeling work position and the seated position, so as to release the space for the knees of the user 7. According to a first example of embodiment visible on Figure 2, the support cushion of the bust and the head Cl is fixed to the base 15 removably. The support cushion 10 of the bust and the head C1 can then be removed for the use of the agricultural machine 1 in a sitting position. The support cushion of the bust and the head C1 can for example be removed by the removal of the pin of the length adjustment means 17b, or 17a, releasing the insertable tube carrying the support cushion of the bust and the head C1.
[0011] According to a second example of embodiment visible in FIG. 3, the support cushion for the bust and the head C1 is pivotally mounted transversely, which facilitates the transformation of the seat 8. The support cushion of the bust and the head C1 is for example articulated around an additional transverse pivot axis PTb for example along a center line of the support cushion of the bust and the head C1.
[0012] The support cushion of the bust and the head C1 inclines for example an angle f3 between 30 and 90 °, such as of the order of 60 °, to move from the horizontal position in the working position kneeling (Figure 1) in the retracted position, in the sitting position (Figure 3). Referring now to FIGS. 7a, 7b, 7c and 7d, an exemplary embodiment of the slide support structure 12 will be described. The slide support structure 12 comprises a longitudinal slide GL allowing a translation movement of the seat 8. in the running direction of the vehicle A and a transverse rail GT allowing a translation movement of the seat in a transverse direction T to the running direction of the machine A.
[0013] The transverse slideway GT is perpendicular to the longitudinal slideway GL. According to an exemplary embodiment, the transverse slide GT overcomes the longitudinal slide GL and carries the pivot of the base 15 of the seat 8.
[0014] The transverse slide GT allows in particular to shift the seat 8 on one side to arrange two or three seats 8 side by side. The transverse slideway GT comprises for example a rib sliding in a transverse guide rail or two sliding tubes 20a, 20b one in the other, 5 extending in the transverse direction T, one of the tubes 20a being connected to the pivot of the transverse guide rail. base 15 of the seat 8. The longitudinal slide GL comprises for example two ribs sliding in a respective longitudinal guide rail or two sets of two tubes 21a, 21b sliding one inside the other, extending in the direction of travel the apparatus A, on each side of the seat 8. For each set of two tubes 21a, 21b, one 21b is carried by the frame frame 2 and the other 21a can be fixed to the same transverse tube, such as that 20b of the transverse slide GT. The agricultural machine 1 may include locking means in position. These locking means in position can allow the blocking of one or more movements 15 of translation and leave free the pivoting of the seat 8 so that it can be easily controlled under the pulse given by the user 7 in position kneeling work. For example, the locking means in position allow the locking of the transverse translation movement and leave free the pivoting of the seat 8 around the vertical pivot axis Pv and the longitudinal translation movement. They can be made for example by means of lever or locking shoes, actuated by the user 7 in the kneeling work position. In operation, the user 7 in the kneeling work position can pivot easily around the vertical pivot axis Pv (arrow R, Figs. 7a, 7b), translate in the transverse direction T to the direction of travel of the machine A (arrow Gl, FIG. 7c) and / or in the running direction of the machine A (arrow G2, FIG. 7b). The user 7 can therefore perform ground work 4 in kneeling position with support of the bust, head, hips and knees with a radius of actuation of the hands on the ground 4 important, which provides a comfortable work 30 superior to the squatting or kneeling positions on the ground 4, while maintaining a great flexibility of movement, thanks to the three movable supports of the seat 8. The three supports located at the level of the head, pelvis and legs, provide a position 3032593 12 comfort to the user 7 and the mobility of the cushions C1, C2, C3 allows to better adapt the position of the user 7 to the nature of the work to be done.
权利要求:
Claims (12)
[0001]
REVENDICATIONS1. Agricultural machine (1) rolling characterized in that it comprises at least one seat (8) convertible between at least one sitting position and a kneeling work position, this seat (8) comprising: a support cushion of the bust and the head (C1), a knee support cushion (C2) in the kneeling work position, a central cushion (C3) pivoting transversely between a lowered pelvic support position in the kneeling work position and a raised position for the kneeling position; seated in the seated position, the agricultural machine (1) further comprising a slide support structure (12) allowing at least one translational movement of the seat (8) in the direction of travel of the machine (A ), or in a direction transverse (T) to the running direction of the machine (A), or in both directions (A, T), the seat (8) being mounted on a base (15) of the agricultural machine (1), the base (15) being pivotally mounted on the support structure to glide ssière (12) to allow pivoting of the three cushions (C1, C2, C3) around a vertical pivot axis (Pv) of the agricultural machine (1).
[0002]
2. Agricultural machine (1) according to the preceding claim, characterized in that it comprises a frame frame (2) on which is mounted the slide support structure (12).
[0003]
3. Agricultural machine (1) according to the preceding claim, characterized in that the frame frame (2) is mounted movable in vertical translation between a lowered position near the ground (4) and an elevated position.
[0004]
Agricultural machine (1) according to one of the preceding claims, characterized in that the central cushion (C3) can tilt at an angle between 50 ° and 90 °, with the horizontal, to move from the horizontal raised position at the lowered pelvic support position.
[0005]
5. Agricultural machine (1) according to one of the preceding claims, characterized in that the base (15) comprises a central cushion holding tube (18) having a first vertical portion aligned with the vertical pivot axis (Pv ) and a second inclined portion carrying the central cushion (C3). 3032593 14
[0006]
6. agricultural machine (1) according to the preceding claim, characterized in that in lowered support position of the basin, the central cushion (C3) bears against the second inclined portion.
[0007]
7. agricultural machine (1) according to one of the preceding claims, characterized in that 5 the knee support cushion (C2) in the kneeling work position and the central cushion (C3) are integral, the cushion of knee support (C2) pivoting transversely between a knee support position in the kneeling work position and a back support position in the seated position.
[0008]
8. agricultural machine (1) according to one of the preceding claims, characterized in that the angle (a) between the bearing surface of the knee support cushion (C2) and the bearing surface of the cushion central (C3) in lowered pelvic support position is between 100 ° and 140 °.
[0009]
Agricultural machine (1) according to one of the preceding claims, characterized in that the support cushion of the bust and the head (C1) is retractable between the kneeling work position and the seated position.
[0010]
10. Agricultural machine (1) according to one of the preceding claims, characterized in that the support cushion of the bust and the head (01) is fixed to the base (15) removably.
[0011]
11. Agricultural machine (1) according to one of the preceding claims, characterized in that the support cushion of the bust and the head (01) is pivotally mounted transversely.
[0012]
12. Agricultural machine (1) according to one of the preceding claims, characterized in that the support cushion of the bust and the head (C1) comprises a head support portion (9) and a bust bearing portion ( 11), the bust bearing portion (11) having two wings (11a, 11b) extending in a V, the tip of the V being integral with the head support portion (9), to support the thorax of the user (7) in the kneeling work position.
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同族专利:
公开号 | 公开日
HUE046236T2|2020-02-28|
EP3255972A1|2017-12-20|
ES2744722T3|2020-02-26|
US10212875B2|2019-02-26|
FR3032593B1|2017-03-10|
US20180035599A1|2018-02-08|
EP3255972B1|2019-06-05|
WO2016128685A1|2016-08-18|
CA3009440A1|2016-08-18|
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FR3058611A1|2016-11-17|2018-05-18|Terrateck Sas|BODY HOLDING DEVICE FOR MANUAL WEEDING OPERATIONS|
法律状态:
2016-06-03| PLFP| Fee payment|Year of fee payment: 2 |
2016-08-19| PLSC| Publication of the preliminary search report|Effective date: 20160819 |
2017-02-21| PLFP| Fee payment|Year of fee payment: 3 |
2018-02-27| PLFP| Fee payment|Year of fee payment: 4 |
2020-02-19| PLFP| Fee payment|Year of fee payment: 6 |
2021-11-12| ST| Notification of lapse|Effective date: 20211005 |
优先权:
申请号 | 申请日 | 专利标题
FR1551174A|FR3032593B1|2015-02-13|2015-02-13|ROLLING AGRICULTURAL ENGINE COMPRISING A TRANSFORMABLE SEAT|FR1551174A| FR3032593B1|2015-02-13|2015-02-13|ROLLING AGRICULTURAL ENGINE COMPRISING A TRANSFORMABLE SEAT|
US15/550,566| US10212875B2|2015-02-13|2016-02-11|Farm vehicle|
HUE16707904A| HUE046236T2|2015-02-13|2016-02-11|Farm vehicle|
ES16707904T| ES2744722T3|2015-02-13|2016-02-11|Agricultural machine|
CA3009440A| CA3009440A1|2015-02-13|2016-02-11|Farm vehicle|
PCT/FR2016/050316| WO2016128685A1|2015-02-13|2016-02-11|Farm vehicle|
EP16707904.5A| EP3255972B1|2015-02-13|2016-02-11|Farm vehicle|
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