EP4153115A1 - Ensemble pour translation de roues de fauteuil roulant pour handicapé moteur - Google Patents
Ensemble pour translation de roues de fauteuil roulant pour handicapé moteurInfo
- Publication number
- EP4153115A1 EP4153115A1 EP21732464.9A EP21732464A EP4153115A1 EP 4153115 A1 EP4153115 A1 EP 4153115A1 EP 21732464 A EP21732464 A EP 21732464A EP 4153115 A1 EP4153115 A1 EP 4153115A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lever
- slide
- assembly
- guide
- kit according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000000295 complement effect Effects 0.000 claims abstract description 10
- 230000005294 ferromagnetic effect Effects 0.000 claims description 17
- 238000005096 rolling process Methods 0.000 claims description 12
- 230000005484 gravity Effects 0.000 claims description 6
- 230000003100 immobilizing effect Effects 0.000 claims description 4
- 238000005304 joining Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims description 2
- 230000005291 magnetic effect Effects 0.000 claims description 2
- 238000010304 firing Methods 0.000 claims 1
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/02—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
- A61G7/1025—Lateral movement of patients, e.g. horizontal transfer
- A61G7/1036—Lateral movement of patients, e.g. horizontal transfer facilitating loading and unloading of the patient, e.g. using flaps or additional tilting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1054—Large wheels, e.g. higher than the seat portion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
- A61G7/1025—Lateral movement of patients, e.g. horizontal transfer
Definitions
- the present invention relates to an assembly, in particular in the form of a kit, for a manual-drive wheelchair for disabled persons, facilitating the lateral transfer of the user to and from the chair.
- FR 2995209 and JP 2009 178492 describe wheelchairs in which the actuation and release of the wheels between these two positions are carried out by complicated drive mechanisms. Furthermore, JP2009 178492 describes a telescopic sliding device which takes up less space in the longitudinal direction, but which is complex and requires actuation by levers.
- FR 15/01566 and EP 3120818 describe an assembly solving these problems, which can be in the form of a kit that can be easily mounted on the Most of the existing manual drive wheelchairs, the length of the slider extended being such that it can, in the rear or rear position, come out cantilever from the rear end of the guide which does not protrude, or only slightly, the rear end of the chair, the slider remaining held in the guide by its front part.
- FR 16/01635, FR17 / 00045 and EP 3323400 describe such assemblies in which the release of the rear wheels to allow the user to move the rear wheels, then their fixing in the advanced and retracted positions, are particularly practical .
- FR 17/00593 and EP 3412267 describe such particularly light assemblies.
- the present invention proposes to remedy these drawbacks and to provide such an assembly of great lightness, even easier to fit on most existing wheelchairs, of great simplicity, and making it possible to keep the rear wheel spacing, this assembly also being of simple construction and easy assembly.
- the invention relates to an assembly or kit adaptable to an ordinary wheelchair with manual drive by circular handrails presented by the wheels, comprising one or two devices comprising a guide provided with quick fixing means, in particular by clamping, in a horizontal position, a wheel slide having a transverse axis or sleeve on or in which a rear wheel can be mounted, so that the rotation of said rear wheel causes the slide to move along the guide between a normal forward rolling position and a retracted position in which the rear wheel no longer projects over the side of the seat, manually actuable means for immobilizing the slide in said advanced, respectively retracted positions, the length of said elongated slide being such that it can, in the rear position or backward, cantilevered out of the rear end of the guide, the slide remaining held in the guide by its front part, said immobilization means in the forward and retracted position comprising manually releasable latching means and means for maintaining in non-latched position allowing the user to release his hands for driving said wheelchair wheel between said forward and
- said latching means comprise an elongate lever pivotably articulated on the slide, preferably in a substantially vertical plane, and actuable by a lever or handle, said lever having elements latching spaced by a distance equal to the distance between said forward and retracted positions, capable of engaging with a complementary latching element when said slide reaches the forward, respectively retracted positions, said lever being able to pivot into a non-latched position in position and a latched position.
- the lever is articulated on the fixed guide (1), preferably in a substantially vertical plane, the slide (15) comprising said spaced latching elements, the lever then comprising said additional snap-in element (10).
- horizontal position is meant a horizontal position or a slightly inclined, preferably rearward, at an angle of 0 to 5 °.
- the automatic release means for returning the latching means to the latching position during movement of the wheel slide may include, for example, a spring for returning the lever to the latched position.
- these means simply reside in a position of the articulation of the lever allowing it to return to the latched position, by simple gravity after the movement of the slide has moved it away from the holding means.
- the lever is articulated on the slide, and then carries said spaced latching elements, the guide then carrying the complementary latching element.
- the articulation is preferably located towards one of the ends of the lever, more preferably towards the front end.
- the articulated lever has reliefs, holes or latching notches separated along the lever, by a distance corresponding to the travel of the slide between the advanced and retracted wheel positions, and intended to snap into a notch, a hole or a complementary relief presented, preferably, by the guide.
- the lever thus has two notches in its lower edge, so that once lifted and then moved slightly by the movement of the slider, the lower edge of the lever slides on the fixed relief until the other notch. reaches above the fixed relief and clicks into place, preferably by simple gravity.
- the holding means in the non-snapped position are magnetic means, preferably consisting of a simple magnet, preferably in the form of a small vertical disc.
- these means comprise a simple fixed magnet, preferably presented by the guide, above the trajectory of the lever, the upper edge of which has at the level of each hole or notch a ferromagnetic part which can be applied against the magnet when the lever is raised, the ferromagnetic part located at the level of the notch corresponding to the normal advanced position of the wheel being further from the longitudinal geometric axis of the lever than the other, in order to compensate for its lower amplitude of displacement during the rotation of the lever, in the preferred case where the pivot axis of the lever is located outside the distance separating the latching elements of the lever.
- it is the lever which can carry two magnets cooperating with a fixed ferromagnetic part.
- these means comprise two magnets carried, preferably, by the slide which can cooperate with two ferromagnetic parts, then carried by the lever.
- the means for maintaining in the released position thus ensure the automatic release of the lever, which escapes the magnet when the slide moves from its forward or retracted position, the lever then automatically returning to the latching position.
- the device preferably has a stop means preventing its slide from moving forward, in the guide, beyond its normal advanced rolling position, as well as a stop means preventing it from moving backwards. beyond its retracted position and escape from the guide.
- This last means can be simply formed by a rim of the relief, hole or anterior latching notch of the lever, coming against a relief, hole or fixed notch and preventing the lever from moving back further, even in the raised position not. snapped.
- the bottom of this notch forms the stop means preventing the slide from being pulled forward.
- the guide comprises a flat vertical element of low thickness having fixing means on one side on a part of the frame of the chair, and, on the other side, now running elements and guiding the slider, said slider comprising a flat and elongated vertical element, of small thickness, held and guided, preferably on and under its large edges, by said members of bearing, the ratchet lever having the shape of an elongated flat blade, extending parallel to the slide, operable by a lever or handle located towards the front and / or rear end.
- the lever is carried by the slide and is articulated on one of the faces of the slide, preferably towards the front of the slide.
- This flat element may preferably carry, at a certain distance, a second flat element which is parallel to it, the slide, the rolling means and the lever being arranged in the space between the two elements.
- This second flat element can be connected to the first by solid connections, for example bolts, which makes it possible to prevent the slide from moving away from the chair in the event of abnormal stress tending to separate it from the rolling means.
- this second flat element can be identical to the first, which simplifies manufacture.
- thin flat element of the guide is meant an element, for example a plate, with a thickness for example of 5 to 12 mm, more preferably 8 to 12 mmm.
- the length of the guide is 8 to 12 cm, the height of the guide being such that the guide and rolling means that it carries can be located above and below the upper and lower edges of the slide.
- the guide fixing means on the chair frame are collars or clamps that can clamp a chair frame element, for example the rod or vertical bar normally carrying the large rear wheel of the chair before setting in place of the assembly according to the invention.
- these collars or flanges are fixed and tightened by screwing into holes in the guide.
- thin flat elongated element of the slide is meant an element, for example a plate, of a thickness, preferably 8 to 10 or 12 mm.
- the height of the slide does not exceed 50 to 80 mm; preferably this height is of the order of 50 to 60 mm.
- the slider length is preferably of the order of 30 to 40 cm and the length of the cantilever in the retracted position preferably of the order of 17 to 22 cm.
- the rolling and guide members are rollers with a concave periphery, in particular with a groove, guiding the rounded upper and lower edges of the slide.
- these edges are formed by embedding rods in elongated grooves presented by said edges, the thickness or diameter of the rod preferably being of the order of 4 to 6 mm.
- the rollers may have a convex periphery, the upper and lower edges of the slide then having a groove or groove in which the rollers roll.
- the ratchet lever is preferably a flat member extending over a long length of the slide, preferably with a thickness of 4 to 6 mm.
- the distance or clearance between two adjacent flat elements, guide, slide, and snap is preferably less than or equal to 2 mm.
- the fixed transverse axis or sleeve presented by the slide, and on or in which the large rear wheel is mounted emerges from its device at a distance smaller than that of the 'corresponding fixed axis or bearing normally presented by the wheelchair.
- this smaller distance is substantially equal to said normal distance reduced by a value substantially equal to the thickness of the slide.
- the invention thus makes it possible to obtain a total thickness of each of the two devices of the assembly, which may be less than or equal to 35 mm, in particular less than or equal to 30 mm, allowing the separation of the two rear wheels. , after assembly of the assembly, to remain substantially identical to that presented by the wheelchair before assembly of the assembly according to the invention.
- transverse sleeve mounted towards the rear end of the slide on which can be mounted a rear wheel may have internal grooves spaced so as to allow the attachment, by snap-fastening, of large rear wheel axles of different lengths.
- the articulated lever for example, at the front of the slide, has an extension, lever or handle emerging beyond the front end of the slide, so that the user can actuate it and bring it into the unlocked position, and / or past the rear end of the slider, so that a caregiver can actuate it.
- a handle or joystick may be disposed between the front and rear ends, so that it can be operated manually.
- the assembly can also include, for each device, an extendable vertical upright intended to be clamped between the lower and upper frame members.
- this upright comprises two sleeves screwed respectively onto a threaded rod, each sleeve having, at its free end, a flared bracket, for example, in the form of a V, and coming to rest against its side member, or conversely two threaded rods carrying the stirrups and a central sleeve, the screwing making it possible to separate the stirrups from one another and to tighten the upright vertically against the frame.
- This vertical upright can be used, for example, to fix, for example by flanges, a second guide similar to the first but without latching means and holding means in the released position, and coming to align with the front of the first guide, so as to form a more elongated guide to maintain, in the retracted position, a slide supporting a very heavy load.
- This amount can also be used to fix the guide itself, for example in the case of a wheelchair frame not having a usual amount at the level of the large rear wheel axle.
- the assembly further comprises an elongate element or cross member, preferably removable, for example in the form of an axis or a shaft, joining the rear ends of the two slides of the assembly, from preferably in alignment with the rear wheel axles.
- this elongated element may have, at each end, the fixed transverse bearing of the slide emerging from the device concerned, but it is preferred that the bearing is fixed directly on the slide, said elongated element being able to be fixed by its ends on the slides, preferably at the level of the shafts or wheel bearings.
- said elongated element is of adjustable length, so that it can be mounted after mounting the two devices of the assembly, on each side of the wheelchair.
- the slide may also include, at its front end, a part on which a wheel brake can be mounted, preferably the wheel brake initially carried by the frame of the wheelchair concerned.
- this part comprises a base which can be fixed on the upper edge of the slide and having a lateral wing on which can be fixed a cylindrical or tubular section having the same diameter as the portion of the frame of the chair on which the brake is normally fixed.
- the assembly according to the invention can also comprise a plate, for example in the form of a grid or plate coming to rest horizontally on the rear ends of the slides, preferably on the elongate element joining the slides, the front edge this tray being connected to the rear of the chair frame, or, at this level, to the slides, so that objects, luggage or other items can be placed on this tray.
- a plate for example in the form of a grid or plate coming to rest horizontally on the rear ends of the slides, preferably on the elongate element joining the slides, the front edge this tray being connected to the rear of the chair frame, or, at this level, to the slides, so that objects, luggage or other items can be placed on this tray.
- FIG. 1 is an elevational view of a guide according to the invention
- FIG. 2 is a side view of this guide
- FIG. 3 shows an elevational view of a slide according to the invention
- FIG. 4 shows a side view of this slide mounted on the guide
- FIG. 5 shows an elevational view of a ratchet lever according to the invention
- FIG. 6 shows an elevational view of another embodiment of the ratchet lever according to the invention
- FIG. 7 shows a side view of the rear ferromagnetic parts for these levers
- FIG. 8 shows a side view of the anterior ferromagnetic parts for these levers
- FIG. 9 is an elevational view of a slide carrying a wheel brake attachment part
- FIG. 10 shows a side view of the slide carrying this fastener with a wheel brake
- FIG. 11 shows a side view of the brake carrier element of this part with a certain diameter
- FIG. 12 shows a side view of the brake carrier element of this part with a diameter different from the diameter of Figure 11,
- FIG. 13 shows a top view of a mounting flange for the guide
- FIG. 14 shows an elevational view of the guide mounted on a wheelchair frame post
- FIG. 15 shows a side view of the slide engaged in the guide
- FIG. 16 shows an elevational view of a device according to the invention mounted on a wheelchair frame, and carrying a cover, in the normal forward position
- FIG. 17 shows an elevational view of a device according to the invention mounted on a wheelchair frame, and carrying a cover, in the retracted position
- FIG. 18 shows an exploded perspective view of the rear of the slide and the bearing elements of the axle of the large rear wheel
- FIG. 19 is a perspective view of this rear slide in the assembled state
- FIG. 20 shows an elevational view of a cross member connecting the large wheelchair wheels, for an assembly according to the invention, in the retracted position
- FIG. 21 shows an elevational view of this cross member in the deployed position
- FIG. 22 shows an elevational view of the slide engaged in the guide, in the anterior and snap-in position
- FIG. 23 shows an elevational view of the slide engaged in the guide, in the anterior position and not snapped
- FIG. 24 shows an elevational view of the slide engaged in the guide, in the rear position and clipped
- FIG. 25 shows an elevational view of the slide engaged in the guide, in the rear position and not clipped
- FIG. 26 is an elevational view of a device with an elongated guide
- FIG. 27 shows a side view of this device mounted on a wheelchair frame
- FIG. 28 shows a side view of a slide guided by rollers of convex rounded section.
- Figure 29 shows a side view, from the rear, of an assembly in which the lever is articulated on the guide.
- Figures 30 to 32 show elevational views of this assembly in three different positions of the slide.
- a device guide comprising a flat element, such as a plate 1, preferably aluminum, having, at its rear edge, a notch 2 allowing to receive a rear axle of a large wheel.
- the plate 1 comprises a plurality of holes, preferably threaded, close to the upper edges, respectively lower, of the plate, preferably arranged symmetrically with respect to the horizontal geometric axis of the plate, namely two rows of three holes 3 front, central and rear, in which you can fix or screw a roller axle and two rows of two holes 4 interposed between the corresponding holes 3 and in which it is possible to screw or fix flange fixing screws.
- Grooved rollers 5 are mounted, by screwing or fixing their pins 6 in the holes 3, for example, towards the upper edge, a rear roller and a front roller, and, towards the lower edge, a rear roller , a central roller and a front roller, ie five rollers.
- Six rollers can also be provided, by adding an upper central roller, or only four rollers, namely two lower rollers and two upper rollers.
- rollers with a convex periphery, preferably of rounded section, the slide then having, along its lower and upper edges, a rectilinear groove, preferably hollowed out directly in these edges.
- a circular magnet 7 carried by a rod 8 screwed or fixed in the hole.
- the rod 8 can also be used to carry, in a pivoting manner, a roller 5 which would then be interposed between the plate 1 and the magnet 7.
- a stop piece 10 having, for example, the shape of a small rectangular plate. In order to prevent any rotation of the stopper 10, the latter may carry a lower rod 11 penetrating a hole 12 located near the lower edge of the plate 1.
- the guide plate 1 may have a hole 14 at the same height as the notch 2, allowing the passage of a bearing axle of a large rear wheel, in particular in the case of certain wheelchairs provided with a non-removable scope receiving the large rear wheel axle and presented by a rear frame upright, on which you want to fix the guide 1.
- the thickness of the plate at the level of the recess is between 8 and 10 mm.
- a slide 15 of this device formed of an elongated rectangular plate, preferably aluminum or other non-magnetic material, having, towards its anterior end, a hole 16, preferably threaded, which can receive, for example by screwing, an articulation pin of the ratchet lever.
- the slide Towards its rear end, the slide has a large hole 17, preferably threaded, to receive a bearing or shaft for the rotation of the large rear wheel.
- the slide Towards its front end the slide has, in the vicinity of its upper edge, a row of two tapped holes 18 intended to allow the mounting of a part for a wheel brake shown in Figures 10 and 15. Two similar holes can be shown in Fig. vicinity of the lower edge.
- the hole 16 is disposed substantially halfway up the plate 15, but it can also be arranged lower, the main thing being to allow sufficient rotation of the ratchet lever which will be described.
- the edges of the two lower and upper edges of the slide plate 15 each have a groove obtained by milling and in which has been inserted by crimping an elongated cylindrical ring 19, preferably in steel,
- the rods 19 serve as a rolling surface for the rollers 5 which receive them in their groove, so that once mounted on the guide 1, as shown in Figures 4, 10 and 15, the slide 15 remains held for only be able to slide horizontally with respect to the guide, without moving away from or approaching the guide 1, as can be seen in FIG. 4.
- rollers 5 'of the guide have, on the contrary, a periphery of rounded section which guides and maintains the slide 15, the upper and lower edges of which then have a groove of concave section .
- Such rollers and slides can be used in all the embodiments described.
- the slide described in these Figures can also be associated with other guides, provided with rollers guiding the slide at its edges.
- a flat latching lever 20 having, from front to rear, a part 21 forming a handle, or being able to receive a separate handle, an articulation hole 22, preferably offset towards the upper edge of the lever, a first recess or anterior notch 23 open downwards, a large ferromagnetic tab 24 extending upwards, a second rear recess or notch 25 open downwards, and finally a small ferromagnetic tab 26 extending upwards.
- the distance between the notches 23 and 25 corresponds to the amplitude of the displacement of the slide 15, and therefore of the large wheel, between the advanced and retracted positions. It is substantially the same for the distance between the legs 24 and 26.
- the thickness of the lever 20 can be, for example 3 to 6 mm, the lever being able, for example, to be obtained by simply cutting a blade.
- the width of the lever is small enough so that its lower edge 27 can pass over the top of the stopper 10, when, with the lever raised, the slide 15 moves between its advanced and retracted positions.
- the latching lever 28 has, at its shortened front end 29, holes for fixing a handle (not shown), which extends it, and the end rear 30, provided with part 26, may carry a rear handle part 31, preferably angled, extending upwardly, to form or receive a rear handle liftable by a helper walking at the rear of the wheelchair.
- the width of the lever 28 can be increased, down the front part, to form a front edge 32 of notch 23, descending below the lower edge of lever 27
- the notch edge 32 ends up abutting the stopper 10, so that the slider cannot escape rearwardly to stop. get out of the guidel.
- the wheel axle, or its axle bearing surface abuts at the bottom of the notch 2. It is also possible to provide a wider rear lever part to present a rear notch edge 25 preventing the slide from escaping forward.
- a lever of constant width such as the lever 20
- the ferromagnetic legs 24 and 26 may have a square shape, with a finer extension 33 can be fixed to the lever by screws passing through corresponding holes in the lever 14.
- a removable or retractable locking element can be provided to prevent rotation of the lever out of its latching positions, for example in the case where it is not desirable that the disabled person seated in the wheelchair can actuate the lever. It is possible, for example, to fix or screw, on the slide 15, a transverse screw or a pawl preventing the rotation of the lever. This blocking element is preferably easily accessible to a caregiver. As a variant or can fix on the lever, a removable part transverse to the lever and which can quickly come up against an element or side member of the chair frame, so as to prevent or limit the rotation of the lever, which then remains in the latched position .
- lever described in these Figures can also be associated with a slide different from that described in Figures 3 and 4.
- a slide 15 on which has been screwed a handbrake attachment part 34 comprises a mounting part 35 comprising a lower vertical web, a flat, and a upper vertical core offset from the lower core.
- the lower core is fixed against the slide 15 by screws screwed into the holes 18.
- the upper core has, above the flat, a section of cylinder or horizontal round tube 36 carried by screws 37 coming out of the flat. higher soul.
- the body 38, formed of two jaws, of the brake 39 is fitted and tightened.
- the installation of the assembly according to the invention does not require the purchase of a new handbrake.
- a device of an assembly according to the invention there is provided, in a device of an assembly according to the invention, several cylindrical or tubular sections such as part 36 having different diameters corresponding to the diameters of the frame members of different chairs, for example a diameter 20 mm for part 36, 22 mm for part 36a ( Figure 11), and 25 mm for part 36b ( Figure 12).
- the length of these pieces is preferably 50 to 80 mm.
- FIG. 13 and 14 we see a guide plate 1 mounted on a customary rear vertical post 40 of a manually-driven wheelchair frame, the large rear wheel of which has been previously removed.
- the plate 1 is clamped against the upright 40 by two clamps 41 having a rectangular notch 42 and two holes 43 which align each time with two holes 4 of the plate 1 and crossed by clamping screws 44 (see Figure 15 ) which are screwed into the threaded holes 4.
- the bottom of the notch 42 has an arcuate recess, with a central tapped hole 45 in which a screw (not shown) can be screwed which will be applied firmly against the facing surface.
- upright 40 or possibly in holes in the frame upright, if it has any.
- the width of the notch 42 is preferably of the order of 32 mm and corresponds to the width of the usual uprights of the frame with a square or rectangular section.
- the notch can thus also receive tubular uprights 40, generally having a diameter of 20, 22, or 25 mm.
- Fastening means other than these clamps can also be used, for example clamps clamping the frame upright.
- FIG. 16 and 17 shows the device according to the invention mounted on the rear post 40 of a wheelchair frame, in the forward position, respectively retracted, and covered with the cover 45, fixed to distance on the slider 15 by the screws 46.
- the lever 27 At its front end the lever 27 carries an actuating handle 47 emerging widely in front of the slider and the cover, the latter having a hole in alignment with the hole 17.
- the hub of the large wheel is mounted on a rotation axis extending from one side of the wheel, this axis being able to be mounted or fixed on an element of the frame of the wheelchair.
- This pin is itself hollow and contains a fixing rod capable of sliding in the shaft, and having radial pawls pushed back elastically, for example balls, located at the level of the free end of the pin and coming into engagement.
- this rod comprising a button accessible from the free side of the wheel to slide the rod and bring in the pawls, in order to make the wheel easily removable and reassembled.
- a sleeve or bearing of a cylindrical tubular wheel 48 intended to receive the axle of the large rear wheel.
- the length of this sleeve 48 is preferably identical to that of the bearing or the hole usually presented by the chair in which the large wheel is normally mounted, and the diameter of the internal cylindrical passage of the sleeve 48 is identical to the diameter of this bearing or cylindrical frame hole.
- the sleeve 48 is mounted in the hole 17 of the slider 15, then tightened, on the side of the slider facing the wheel, by a nut 49, preferably with the interposition of a washer 50.
- the sleeve On the opposite side the sleeve is tightened, preferably with the interposition of a washer 51, by another nut 52, the sleeve being externally threaded to receive these nuts.
- the length of the sleeve portion 48 which emerges from the slide, on the side of the wheel, is advantageously of the order of 5 to 10 mm.
- the device in the form of a kit, can advantageously comprise several sleeves 48, of different lengths, for example two sets of different diameters, for wheel shaft diameters of 12 mm and 12.7 mm.
- the sleeve may have, in its internal cylindrical surface where the wheel axle is mounted, one or more internal circular grooves, preferably of square or rectangular section, for example of width 5 mm and of height of 5 mm, in which the elastically pushed balls can penetrate, to prevent the extraction of the axle.
- these grooves are spaced as follows starting from the end of the sleeve close to the wheel.
- this cross member may comprise two tubular sleeves 54 which are screwed onto the two ends of a threaded central rod 55, locking nuts 56, able to hold the parts in the chosen position.
- one of the sleeves 54 is screwed onto one of the sleeves 48, then the sleeves 54 are moved away from each other until the other sleeve can come to be screwed onto the other sleeve 48. It is understood that the fixing of the cross member on the sleeves 48, or directly on the rear end of each slide, can be carried out in any other way.
- the assembly according to the invention may also include a plate, for example in the form of a rigid grid, which is fixed horizontally on the chair frame, behind its seat, and whose rear edge comes to rest. on the crossbar, thus allowing the transport of an object, such as luggage or basket.
- a plate for example in the form of a rigid grid, which is fixed horizontally on the chair frame, behind its seat, and whose rear edge comes to rest. on the crossbar, thus allowing the transport of an object, such as luggage or basket.
- the guide can be formed from two successive guides, namely a guide 1 as described above, and a guide identical to the guide 1, but without the means for holding it in the non-snapped position. , such as the magnet 7, and of the complementary latching element, such as the stop 10.
- the slide 15 including in the retracted position of the rear wheel, is also held by the rollers 5 of the plate. guide 1 '.
- an adjustable vertical upright 57 can be provided intended to be clamped between the lower and upper side members 58 of the frame, comprising two sleeves 59 screwed respectively onto a threaded rod 60, with two clamping nuts 61, each sleeve having, at its free end, a flared bracket 62 in the form of a V, mounted to rotate freely about an axis 63, and coming to rest against its spar 58.
- the guide plate 1 ' is then fixed, in alignment with the guide plate 1, for example by using clamps such as shown in Figures 13 and 14.
- the extendable vertical upright 58 can also be used to fix a guide 1 on chairs which do not have an adequate rear frame upright.
- the assembly according to the invention may comprise, for a wheelchair, one or two devices according to the invention, preferably in the form of a kit, each device comprising, a guide, its rollers, magnet, stopper, preferably already mounted on the guide, and two flanges with tightening screws; a slide; a brake mounting part, preferably already mounted on the slide, and its cylindrical part or parts; a latching lever with its ferromagnetic tabs, preferably already mounted on the slide; a wheel sleeve or sleeves of different lengths and / or diameters and / or fitted with one or more internal grooves, and the nuts and optionally rings for fixing the sleeve; preferably, a cover and its fixing screws; optionally a cross member.
- a lever 64 is articulated on a part or second plane element 65 parallel to the guide 1 and secured to the latter by fixing means (not shown), for example bolts.
- fixing means for example bolts.
- the slide 15 can move, held by the rollers 5 articulated on the guide 1.
- rear end of lever 64 can pivot in a vertical plane.
- the rear end 67 of the lever 64 tapers towards the axis 66.
- the slide carries, on one of its sides and towards its upper edge, a rear magnet 68, which, in the advanced position of the guide, is located at the level of the front edge of the guide 1, and therefore of the plate 65.
- a second front magnet 69 is also carried laterally by the slide, towards its upper edge, the distance between the magnets 68 and 69 being equal to the distance between the advanced and retracted positions of the slide 15.
- the latter carries, on the same side and towards its lower edge, two vertical stops 70 and 71, spaced at the same distance and located, preferably, substantially under the magnets 68, 69.
- the lever 64 has a notch 72 allowing the snap-in, by simple gravity, with the stops 70, 71 according to the positions of the slide.
- This notch 72 can advantageously be situated towards the anterior edge of the plate 65 and of the guide 1.
- the lever 64 has two ferromagnetic parts, one anterior 73, the other posterior 74, spaced apart from the other. distance between the forward and backward positions of the slide 15.
- the rear part 74 is located substantially above the notch 72.
- This ferromagnetic part 74 is further from the upper edge of the lever 64 by being carried or formed by a tab 75.
- the front stop 70 When the slide 15 arrives in its retracted position (see Figure 32), the front stop 70 is located under the notch 72, so that it engages by gravity in the notch, which immobilizes the slide 15 in its retracted position, the rear ferromagnetic part then being located at the level of the front magnet 69, from which it is vertically remote.
- the user again raises the lever 64, so that the ferromagnetic part 74 comes into contact with the magnet, immobilizing the lever in the raised position and releasing the snap.
- the user can then actuate the big wheel and cause the slide 15 to advance, so that the lever 64, moving away from the magnet 69, falls back, its lower edge sliding on the stopper 70, to the advanced position in which the lever engages on the rear stopper 70 ( Figure 30).
- the front part 76 of the lever is thinner than the rest of the lever, so that the lever is in the very low position when the slide is sliding.
- the device or kit may only comprise a single cylindrical brake part, and a single wheel sleeve, these parts preferably being already mounted on their. respective supports. In this case we can even deliver the device, with the cover already mounted, and the two flanges with their tightening screws.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2005116A FR3110387B1 (fr) | 2020-05-19 | 2020-05-19 | Ensemble pour translation de roues de fauteuil roulant pour handicapé moteur |
PCT/FR2021/050851 WO2021234259A1 (fr) | 2020-05-19 | 2021-05-17 | Ensemble pour translation de roues de fauteuil roulant pour handicapé moteur |
Publications (3)
Publication Number | Publication Date |
---|---|
EP4153115A1 true EP4153115A1 (fr) | 2023-03-29 |
EP4153115C0 EP4153115C0 (fr) | 2024-04-24 |
EP4153115B1 EP4153115B1 (fr) | 2024-04-24 |
Family
ID=73138874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21732464.9A Active EP4153115B1 (fr) | 2020-05-19 | 2021-05-17 | Ensemble pour translation de roues de fauteuil roulant pour handicapé moteur |
Country Status (5)
Country | Link |
---|---|
US (1) | US20230172781A1 (fr) |
EP (1) | EP4153115B1 (fr) |
JP (1) | JP2023526510A (fr) |
FR (1) | FR3110387B1 (fr) |
WO (1) | WO2021234259A1 (fr) |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1135577A (en) | 1965-11-26 | 1968-12-04 | Foseco Int | Protection of ingot moulds |
US3535147A (en) | 1968-01-04 | 1970-10-20 | Eastman Kodak Co | Subbed film element and method for producing same |
DE3322586C1 (de) | 1983-06-23 | 1985-01-31 | Tünkers Maschinenbau GmbH, 4030 Ratingen | Behindertenrollstuhl |
JPH10234966A (ja) | 1997-02-26 | 1998-09-08 | Sankyo Kk | 弾球遊技機の賞球払出装置 |
JP3086872B2 (ja) | 1998-02-12 | 2000-09-11 | 嚴太郎 大谷 | 肘掛と車輪を前、後調節と後退可能にした車椅子 |
JP3504225B2 (ja) | 2000-09-29 | 2004-03-08 | 茂 黒田 | 車いす |
US6802518B2 (en) | 2002-10-28 | 2004-10-12 | Portacare, Llc | Wheelchair access system |
CA2686800A1 (fr) | 2007-05-08 | 2008-11-13 | Nanyang Polytechnic | Procede et appareil de transfert d'un individu en chaise roulante |
JP2009178492A (ja) | 2008-02-01 | 2009-08-13 | Univ Osaka Sangyo | 車椅子 |
DE102008013453B4 (de) | 2008-03-10 | 2011-12-29 | Bettina Kuhlmann | Rollstuhl-Radstandsverstellung durch Rollstuhlnutzer ohne abzunehmen der Räder |
JP2011104317A (ja) | 2009-11-16 | 2011-06-02 | Masaaki Tejika | 車椅子でスライド |
FR2995209B1 (fr) | 2012-09-11 | 2015-07-31 | Univ Valenciennes Et Du Hainaut Cambresis | Fauteuil roulant manuel |
US20160175174A1 (en) * | 2014-12-21 | 2016-06-23 | William Joseph Drasler | Side Exiting Wheelchair |
FR3039062A1 (fr) | 2015-07-20 | 2017-01-27 | Claude Bertrand | Fauteuil roulant pour handicape moteur et ensemble ou kit pour un fauteuil roulant |
EP3323400B1 (fr) | 2016-11-17 | 2019-07-03 | Claude Bertrand | Ensemble pour translation de roues de fauteuil roulant pour handicapé moteur |
FR3066910B1 (fr) | 2017-06-06 | 2019-06-28 | Claude Bertrand | Ensemble pour translation de roues de fauteuil roulant pour handicape moteur |
-
2020
- 2020-05-19 FR FR2005116A patent/FR3110387B1/fr active Active
-
2021
- 2021-05-17 JP JP2022571204A patent/JP2023526510A/ja active Pending
- 2021-05-17 WO PCT/FR2021/050851 patent/WO2021234259A1/fr unknown
- 2021-05-17 US US17/926,126 patent/US20230172781A1/en active Pending
- 2021-05-17 EP EP21732464.9A patent/EP4153115B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
FR3110387B1 (fr) | 2022-04-22 |
EP4153115C0 (fr) | 2024-04-24 |
WO2021234259A1 (fr) | 2021-11-25 |
JP2023526510A (ja) | 2023-06-21 |
FR3110387A1 (fr) | 2021-11-26 |
EP4153115B1 (fr) | 2024-04-24 |
US20230172781A1 (en) | 2023-06-08 |
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