EP2062557A1 - Repose-jambe à compensation de longueur, véhicule pour mobilité personnelle et procédé pour adapter la longueur du repose-jambe - Google Patents

Repose-jambe à compensation de longueur, véhicule pour mobilité personnelle et procédé pour adapter la longueur du repose-jambe Download PDF

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Publication number
EP2062557A1
EP2062557A1 EP07022740A EP07022740A EP2062557A1 EP 2062557 A1 EP2062557 A1 EP 2062557A1 EP 07022740 A EP07022740 A EP 07022740A EP 07022740 A EP07022740 A EP 07022740A EP 2062557 A1 EP2062557 A1 EP 2062557A1
Authority
EP
European Patent Office
Prior art keywords
leg rest
extension
guide member
pull
push
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.)
Withdrawn
Application number
EP07022740A
Other languages
German (de)
English (en)
Inventor
Michael Knopf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sunrise Medical GmbH and Co KG
Original Assignee
Sunrise Medical GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sunrise Medical GmbH and Co KG filed Critical Sunrise Medical GmbH and Co KG
Priority to EP07022740A priority Critical patent/EP2062557A1/fr
Publication of EP2062557A1 publication Critical patent/EP2062557A1/fr
Withdrawn legal-status Critical Current

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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
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • 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
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A61G5/128—Rests specially adapted therefor, e.g. for the head or the feet for feet

Definitions

  • This invention relates to a leg rest for a personal mobility vehicle, comprising at least one guide member being pivotable about a first pivot point to at least one pivot position with respect to at least one seating area of the personal mobility vehicle and at least one extension member being telescopically movable with respect to the guide member, the leg rest further comprising at least one pull and/or push device at least indirectly connected to the extension member for controlling at least one extension position of the extension member with respect to the guide member, wherein the pull and/or push device is movable by at least one drive device comprising at least one rotating guide device guiding the pull and/or push device as well as a personal mobility vehicle comprising an inventive leg rest and a method for adapting the length of a leg rest.
  • Personal mobility vehicles especially manual and/or power wheelchairs, advantageously have the capacity to tilt and recline a leg rest and/or a foot rest area of a seat.
  • a leg rest which is angle adjustable to give the user most possible comfort while sitting and/or laying in the personal mobility vehicle. For this reason the leg rest is pivotable about a pivot point with respect to a main frame and/or a seating area of the personal mobility vehicle.
  • the pivot point of the leg rest is displaced from a knee pivot point of a knee of a person sitting in the personal mobility vehicle, for example the pivot point of the leg rest may be 12 cm behind and below the knee pivot point of the person, when pivoting the leg rest the knees and/or calves of the person do not stay in contact with the leg rest but are lifted upwards.
  • the legs of a person sitting in the personal mobility vehicle can be for example pushed up by about 7 cm when the leg rest is pivoted about an angle of 45°.
  • the leg rest comprises two telescopically movable tubes, one of which is pivotable with respect to the wheelchair.
  • the other tube is connected to a foot rest and is connected to a push/pull device.
  • the push/pull device is rollable onto a winding device which is connected via a planetary gear mechanism to the pivotable tube.
  • leg rest disclosed in DE 42 33 811 A1 has amongst others the drawback that it can not secure that the legs or the calves of a person sitting in the personal mobility vehicle stay in contact with the leg rest and simultaneously in contact with the foot rest.
  • the reason for this is that the length of the leg rest is changed proportionally to a pivot angle of the leg rest.
  • the feet of a person sitting in the personal mobility vehicle does not follow the arc that is passed through by the foot rest so that depending on the gear ratio of the planetary gear mechanism the feet of the person loose the contact with the foot rest or the knees of the person are lifted up from the leg rest.
  • the object with regard to the leg rest is reached in that the rotating guide device is eccentrically supported.
  • the guide member is pivotable connected to at least one seat, at least one seat frame and/or at least one support frame of the personal mobility vehicle.
  • the guide member is pivotable between at least one first pivot position, in which the leg rest is preferably in at least one folded in position, and at least one second pivot position, in which the leg rest is preferably in at least one unfolded position, wherein especially the guide member is lockable in the first pivot position, the second pivot position and/or at least one third pivot position located between the first pivot position and the second pivot position.
  • the invention proposes that the guide member is movable into the direction of the second pivot position by at least one first biasing force generated by at least one first biasing device, wherein preferably the guide member is movable into the direction of the first pivot position, especially against the first biasing force, by at least one first gravitational force and/or by at least one manual force generated by a user of the personal mobility vehicle.
  • extension position of the extension member is controllable depending on the pivot position of the guide member, especially the pivot position of the guide member with respect to the seating area.
  • An inventive leg rest can be characterized in that the extension member is movable between at least one first extension position, in which the leg rest has a first length, and at least one second extension position, in which the leg rest has a second length, wherein preferably the second length is greater than the first length and/or wherein the first extension position complies with the first pivot position of the guide member and/or the second extension position complies with the second pivot position of the guide member.
  • extension member is movable into the direction of the second extension position by at least one second gravitational force and/or at least one second biasing force generated by at least one second biasing device, wherein preferably the extension member is movable into the direction of the first extension position by the pull and/or push device.
  • An inventive leg rest can be furthermore characterized by at least one foot rest member, especially in form of at least one foot rest plate, at least indirectly connected to the extension member, wherein preferably the foot rest member is movable, especially pivotable about at least one second pivot point with respect to the extension member.
  • the invention furthermore proposes that the foot rest member is connected to the extension member via at least one mounting member, wherein the mounting member is, especially telescopically, movable with respect to the extension member and/or securable at at least two different positions, especially by at least one securing member, with respect to the extension member, preferably to adjust a length of the leg rest, preferably the length of the leg rest in the first pivot position of the guide member.
  • the pull and/or push device comprises at least one bendable pull and/push member, preferably comprising at least one belt, at least one strap and/or at least one, especially twisted, wire, wherein preferably the pull and/or push member comprises at least partly at least one structured surface area, especially comprising at least one tooth element.
  • the drive device comprises at least one winding device comprising the rotating guide device, wherein the push and/or pull member is especially rollable onto the winding device, preferably onto the rotating guide device, and/or the drive device comprises at least one redirection device comprising the rotating guide device, wherein the push and/or pull member is especially guidable by the redirection device.
  • an inventive leg rest can be characterized in that the rotating guide device comprises at least one drum, at least one roller and/or at least one disc and/or the rotating guide device has at least partly a circular, elliptical, rectangular, triangular and/or quadratic cross sectional form and/or comprises at least one surface being at least partly complementary to the structured surface area of the pull and/or push member.
  • the leg rest has the feature that the drive device, especially the winding device, the redirection device and/or the rotating guide device, is/are in working relationship with the guide member, especially via at least one gear mechanism.
  • the gear mechanism comprises at least one first gear segment and/or at least one first sprocket at least indirectly connected to the guide member and/or at least one second gear segment and/or at least one second sprocket at least indirectly connected to the drive device, especially the winding device, the redirection device and/or the rotating guide device.
  • gear mechanism provides a gear ratio step up of a pivoting of the guide member into a rotating of the drive device, especially the winding device, the redirection device and/or the rotating guide device.
  • the first biasing device and/or the second biasing device comprise(s) at least one pneumatic spring, at least one coil spring, at least one helical spring and/or at least one torsion spring.
  • a personal mobility wheelchair comprising at least one inventive leg rest.
  • a personal mobility vehicle is realized in form of a wheelchair, especially a manual wheelchair and/or a power wheelchair.
  • the object with regard to the method for adapting the length of the leg rest is reached by a method for adapting the length of the leg rest, especially an inventive leg rest, of a personal mobility vehicle, especially an inventive personal mobility vehicle, wherein at least one extension member of the leg rest is moved with respect to a guide member of the leg rest by a push and/or pull device depending on a pivoting position of the guide member and wherein the pivot movement of the guide member is transmitted onto the pull and/or push device via at least one drive device comprising at least one rotating guide device being eccentrically supported and guiding the pull and/or push device.
  • the movement of the guide member is transmitted via at least one gear mechanism onto the drive device, especially the rotating guide device.
  • the gear mechanism gears up the pivoting of the guide member with a ratio of at least 1:3, preferably at least 1:4, more preferably at least 1:5 and most preferably at least 1:6.
  • inventive method can be characterized in that the method further comprises the variation of a length of the extension member and/or the variation of a mounting position of a foot rest member mounted to the extension member, wherein preferably the length of the extension member and/or the mounting position of the foot rest member is/are fixed during a pivoting of the guide member.
  • a leg rest for a personal mobility vehicle especially a wheelchair
  • a leg rest for a personal mobility vehicle, especially a wheelchair
  • An eccentrical support means that the guide device is supported at an axis or at a point that is displaced with respect to an axis of symmetry of the guide device.
  • the less complex construction reduces the costs for the leg rest so that it maybe for example used in power wheelchairs having an electric driven leg rest to reduce the costs for the wheelchair without reducing the comfort for a user.
  • the leg rest according to the invention allows it to be set to a first pivot position, for example perpendicular to a ground on which the personal mobility vehicle is staying, when a user of the personal mobility vehicle is transferring into the personal mobility vehicle, especially a wheelchair, and may be set to a second pivot position, for example to about 30° to 50° with respect to the first pivot position, when the user is sitting in the personal mobility vehicle.
  • a first pivot position for example perpendicular to a ground on which the personal mobility vehicle is staying
  • a second pivot position for example to about 30° to 50° with respect to the first pivot position
  • the leg rest is mounted under a seat of the personal mobility vehicle, for example under the upper legs of the user, so that it is out of the way when the user is transferring into the personal mobility vehicle.
  • the leg rest is adjustable in length so that the feet of the user are in contact with a foot rest member, for example a foot rest board or footplate, and simultaneously the calves of the legs of the user stay in contact with the leg rest, for example a calf pad, when the leg rest is angled to the second pivot position, for example up to 90°.
  • a foot rest member for example a foot rest board or footplate
  • the calves of the legs of the user stay in contact with the leg rest, for example a calf pad, when the leg rest is angled to the second pivot position, for example up to 90°.
  • both the guide member as well as the extension member can be formed in form of tubes which are telescopically moving within each other so that an inner telescoping leg rest tube is guided by an outside tube.
  • a push and/or pull device is connected to the inner tube.
  • the pull and/or push device may be formed by a belt.
  • the pull and/or push device is connected to a rotating guiding device, for example in form of an eccentric drum. This eccentrically supported drum is driven by a gear mechanism which is mounted and/or connected to the guide member.
  • Moving or pivoting the guide member makes the drum turn at a predefined ratio, for example 1:5. This will let the extension member and thus the foot rest member move out of the guide member by a predefined distance, for example 7 cm, when the guide member is pivoted, for example by 45°, out of the first pivot position. Due to the eccentric support of the drum the movement of the extension member is not proportional to a pivot angle of the guide member. This secures that during a pivoting of the leg rest the feet of the person using the personal mobility vehicle are all the time in contact with the foot rest member, wherein simultaneously it is secured that the calves of the person stay in contact with the leg rest, especially a calf cushion.
  • a leg rest 1 is shown.
  • the leg rest 1 is pivotable connected to a support frame 3 of a personal mobility vehicle in form of a wheelchair.
  • the leg rest 1 is connected to the support frame 3 via a drive device 5, the function of which will be explained later in detail.
  • the leg rest 1 comprises a guide member in form of an outer tube 7 being pivotable about a first pivot point 9 with respect to the support frame 3.
  • an extension member in form of an inner tube 11 is telescopically movable.
  • a foot rest member in form of a foot rest plate 13 is connected to the inner tube 11 wherein the foot rest plate 13 is pivotable about a second pivot point 15.
  • a calf cushion 17 is mounted to the outer tube 7 via mounting devices 19.
  • the foot rest plate 13 is connected to the extension member or the inner tube 11 via a mounting member in form of a third tube 21.
  • the third tube 21 is telescopically moveable with respect to the inner tube 11 and can be secured in different positions with respect to the inner tube 11 via a securing member in form of a not shown screw screwed into a threaded opening 23.
  • a movement of the tube 21 with respect to the inner tube 11 allows an adjustment of the length of the leg rest 1 to the leg length of a person using the personal mobility vehicle. In this way the leg rest is once configured to the needs of a user of the personal mobility vehicle.
  • the leg rest 1 of figures 1 and 2 is shown in a side view.
  • the leg rest 1 is in the figures 1 to 3 in a first pivot position or so-called transfer position. That means that the leg rest is in a folded in position that means in a position allowing a person to move onto or to leave the personal mobility vehicle. In this position the leg rest 1 is out of the way for the person when moving onto the seat of the wheelchair.
  • the guide member in form of the outer tube 11 is in a first pivot position.
  • an angle ⁇ representing a pivot angle of the outer tube 7 with respect to a position perpendicular to a seating plane S or the seat frame or support frame 3 is - 5°.
  • the extension member in form of the inner tube 11 is in a first extension position, especially the inner tube 11 is completely inside the outer tube 7 and the foot rest plate 13 is in an upmost position.
  • FIG 4 a schematic view onto the drive device 5 is shown when the leg rest 1 is in the first or transfer position.
  • the drive device 5 comprises a winding device in form of a drum 25.
  • a pull and/or push member in form of a belt 27 can be wound up.
  • the belt 27 is connected to the inner tube 11.
  • the drum 25 is connected to the outer tube 7 via a gear mechanism 29.
  • the gear mechanism 29 comprises a first gear segment in form of a gear rim 31 mounted to the outer tube 7.
  • the gear mechanism 29 comprises a second gear segment in form of a sprocket 33 connected to the drum 25.
  • the gear mechanism 29 leads to the effect that a movement of the outer tube 7, that means a pivoting of the outer tube 7 about the first pivot point 9, will be transmitted via the gear rim 31 to the sprocket 33 so that the sprocket 33 is rotated about a rotating point 35. Due to the connection of the sprocket 33 to the drum 25 also the drum 25 is rotated. In figure 4 the belt 27, that pulls the foot rest plate 13 via the inner tube 11, is at an end position of the drum 25. The drum 25 is rotated in a counter-clockwise direction in figure 4 when the outer tube 7 is pivoted about the first pivot point 9 in a clockwise direction.
  • the clockwise pivoting of the outer tube 7 about the first pivot point 9 is supported in this embodiment by a first biasing device in form of a gas spring 37.
  • This pivoting of the outer tube 7 effects that the belt 27 is unrolled from the drum 25. Due to a gravitational force, which can be supported by a biasing force generated by a not shown second biasing device, the inner tube 11 will move with respect to the outer tube 7, especially into a second extension position. Especially the inner tube 11 will move out of the outer tube 7 thus increasing the distance of the foot rest plate 13 and the first pivot point 9. Thus the length of the leg rest 1 is increased due to the pivoting of the outer tube 7.
  • the leg rest 1 can be transferred into the position shown in figure 5 by pivoting the outer tube 7 into a second pivot position. In this position the leg rest 1 is in a so-called relax position. That means that the legs of a person using the personal mobility vehicle are in a lifted up position.
  • the leg rest 1, especially the outer tube 7, may be lockable in the first and/or the second pivot position by a not shown locking device.
  • the leg rest 1, especially the outer tube 7 may be further locked in at least one third intermediate pivot position to meet the requirements of a user of the wheelchair.
  • the belt 27 is unrolled of the drum 25.
  • the unrolling of the belt 27 of drum 25 allows the inner tube 11 to move a predetermined distance out of the outer tube 7. This distance could be for example 7 cm.
  • This predetermined distance is mainly given by the extent of rotation of the drum 25 from the position shown in figure 4 to the position shown in the figure 5 .
  • drum 25 may rotate 208° around the rotating point 35.
  • the inner tube 11 has been for example pivoted around the pivot point 9 to an angle ⁇ of 45°.
  • a gear mechanism 29 has a predetermined gear rate.
  • this rate maybe 1:4,16.
  • the gear rim 31 may have for example 50 teeth per 360° circumference whereas the sprocket may have 12 teeth per 360°circumference.
  • other gear ratios can be used.
  • the gear rim 31 may have 72 teeth per 360° circumference and the sprocket 33 may comprise 12 teeth per 360° circumference.
  • a pivoting of the gear rim 31 about 45° will than turn the drum 25 via sprocket 33 about 270° allowing the belt 27 attached to the drum 25 to unroll and thus allowing the inner tube 11 to move downwards a predetermined distance defined by the circumference length of the drum 25, for example 70 mm.
  • the foot rest plate 13 may be extended 70 mm outside the outer tube 7 for a length compensation. Setting the leg rest 1 back to the position shown in figures 1 to 4 will than turn the drum 25 backwards and the belt 27 will pull up the inner tube 11 within the outer tube 7.
  • Drum 25 comprises an opening 39 for a rotation of drum 25 about the rotating point 35. Furthermore drum 25 comprises an opening 41 to secure the belt 27 to the drum 25 by threading one end of the belt 27 through a slot 43 of the drum 25 to secure the belt 27 via a not shown securing device within the opening 41.
  • the opening 39 is according to the invention eccentrically located within drum 25.
  • a smaller amount of the belt 27 is unrolled from drum 25 in comparison to the last part of the rotation before arriving at the position shown in figure 5 .
  • the length of the leg rest 1 is increased less at the beginning of the rotation when compared to the increase of a length before arriving at the position shown in figure 5 .
  • a relationship between the change of length of the leg rest 1 in dependency on the angle ⁇ is shown in figure 7 .
  • the length of the foot rest 1 is extended by 12 mm when ⁇ is increased from -5° to 5°, is additionally increased by 14 mm to a total of 26 mm when the outer tube 7 is further pivoted to an increased angle ⁇ of 15°.
  • the opening 39 of drum 25 may be eccentric by 6 mm that means opening 39 is displaced by 6 mm from the axis of symmetry of the drum 25. This helps to achieve the needed reduced stroke stating at -5° and the increased stroke towards 45°.
  • the outer tube 7 is in a second pivot position, whereas the inner tube 11 is in a second extension position.
  • the length of the foot rest 1 wherein the length may be defined by the distance of the foot rest plate 13 and the first pivot point 9, is increased in comparison to the length of the foot rest 1 when the inner tube 11 is in the first extension position.
  • a belt forming a pull and/or push member may be guided over a redirection device being eccentrically supported instead of being rolled on a eccentrically supported winding device like the drum 25.
  • the movement of the pull and/or push member may be proportional to a movement of the guide member by winding the pull and/or push member onto a winding device linearly connected to the guide member.
  • the eccentric support of the redirection device would allow that the extension member is moved in a non-proportional manner with regard to the movement of the guide member.
  • the redirection device and the pull and/or push member have complementary surface structures to avoid a slipping between the pull and/or push member and the redirection device that may be freely rotatable supported, especially not mechanically connected to the guide member and/or the winding device.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Passenger Equipment (AREA)
EP07022740A 2007-11-23 2007-11-23 Repose-jambe à compensation de longueur, véhicule pour mobilité personnelle et procédé pour adapter la longueur du repose-jambe Withdrawn EP2062557A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07022740A EP2062557A1 (fr) 2007-11-23 2007-11-23 Repose-jambe à compensation de longueur, véhicule pour mobilité personnelle et procédé pour adapter la longueur du repose-jambe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07022740A EP2062557A1 (fr) 2007-11-23 2007-11-23 Repose-jambe à compensation de longueur, véhicule pour mobilité personnelle et procédé pour adapter la longueur du repose-jambe

Publications (1)

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EP2062557A1 true EP2062557A1 (fr) 2009-05-27

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EP07022740A Withdrawn EP2062557A1 (fr) 2007-11-23 2007-11-23 Repose-jambe à compensation de longueur, véhicule pour mobilité personnelle et procédé pour adapter la longueur du repose-jambe

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010037809A1 (de) * 2010-09-28 2012-03-29 Interco Gesellschaft Für Die Planung Und Den Vertrieb Von Reha Hilfen Mbh Sitzanordnung, z.B. Rollstuhl, mit schwenkbarer Fußstütze
CN106137593A (zh) * 2015-05-15 2016-11-23 国睦工业股份有限公司 代步车的抬腿装置
GB2569531A (en) * 2017-12-14 2019-06-26 Gordon Vickers Adam Foot rest
CN111317624A (zh) * 2020-02-27 2020-06-23 广东博方众济医疗科技有限公司 调节机构及轮椅

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5181762A (en) * 1990-05-02 1993-01-26 Revab B.V. Biomechanical body support with tilting leg rest tilting seat and tilting and lowering backrest
US5259664A (en) * 1992-04-14 1993-11-09 David Cottle Extendable/retractable foot/leg rest for a wheelchair
DE4233811A1 (de) 1992-10-07 1994-04-14 Ortopedia Gmbh Beinstütze mit Höhenverstellung
US20050077701A1 (en) * 2003-10-08 2005-04-14 Barlow Richard T. Extendable and retractable leg rest
DE202005004933U1 (de) 2005-03-23 2005-06-16 Elastoform-Polstermöbelwerke Gebrüder Brinkel GmbH & Co. KG Stütze mit Verlängerungsvorrichtung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5181762A (en) * 1990-05-02 1993-01-26 Revab B.V. Biomechanical body support with tilting leg rest tilting seat and tilting and lowering backrest
US5259664A (en) * 1992-04-14 1993-11-09 David Cottle Extendable/retractable foot/leg rest for a wheelchair
DE4233811A1 (de) 1992-10-07 1994-04-14 Ortopedia Gmbh Beinstütze mit Höhenverstellung
US20050077701A1 (en) * 2003-10-08 2005-04-14 Barlow Richard T. Extendable and retractable leg rest
DE202005004933U1 (de) 2005-03-23 2005-06-16 Elastoform-Polstermöbelwerke Gebrüder Brinkel GmbH & Co. KG Stütze mit Verlängerungsvorrichtung

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010037809A1 (de) * 2010-09-28 2012-03-29 Interco Gesellschaft Für Die Planung Und Den Vertrieb Von Reha Hilfen Mbh Sitzanordnung, z.B. Rollstuhl, mit schwenkbarer Fußstütze
DE102010037809B4 (de) * 2010-09-28 2012-04-05 Interco Gesellschaft Für Die Planung Und Den Vertrieb Von Reha Hilfen Mbh Sitzanordnung, z.B. Rollstuhl, mit schwenkbarer Fußstütze
WO2012041749A1 (fr) 2010-09-28 2012-04-05 Interco Gesellschaft Für Die Planung Und Den Vertrieb Von Reha Hilfen Mbh Ensemble siège, par exemple fauteuil roulant, à repose-pieds basculant
CN106137593A (zh) * 2015-05-15 2016-11-23 国睦工业股份有限公司 代步车的抬腿装置
CN106137593B (zh) * 2015-05-15 2017-11-28 国睦工业股份有限公司 代步车的抬腿装置
GB2569531A (en) * 2017-12-14 2019-06-26 Gordon Vickers Adam Foot rest
GB2569531B (en) * 2017-12-14 2019-12-04 Gordon Vickers Adam Foot rest
CN111317624A (zh) * 2020-02-27 2020-06-23 广东博方众济医疗科技有限公司 调节机构及轮椅
CN111317624B (zh) * 2020-02-27 2022-05-24 广东博方众济医疗科技有限公司 调节机构及轮椅

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