EP2618795A1 - Klappbarer rollstuhl - Google Patents
Klappbarer rollstuhlInfo
- Publication number
- EP2618795A1 EP2618795A1 EP11779572.4A EP11779572A EP2618795A1 EP 2618795 A1 EP2618795 A1 EP 2618795A1 EP 11779572 A EP11779572 A EP 11779572A EP 2618795 A1 EP2618795 A1 EP 2618795A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wheelchair
- frame
- elements
- frame elements
- wheelchair 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
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
- A61G5/1056—Arrangements for adjusting the seat
- A61G5/1067—Arrangements for adjusting the seat adjusting the backrest relative to 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
- 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
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
-
- 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
- A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
- A61G5/0808—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction
- A61G5/085—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction folding up and down, e.g. reducing or expanding the overall height of the wheelchair
-
- 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
- A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
- A61G5/0866—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable folding down backrest, e.g. where the backrest folds down onto the seat support
-
- 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
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1083—Quickly-removable wheels
-
- 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
-
- 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
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
- A61G2203/76—General characteristics of devices with special adaptations, e.g. for safety or comfort for nesting or stacking
Definitions
- the invention relates to a wheelchair with a folding wheelchair frame according to the closer defined in the preamble of Patentanspru ⁇ ches 1 Art.
- Such a wheelchair is for example in the
- the invention provides a wheelchair with a folding wheelchair frame, which is formed with respect to seat frame elements pivotable back frame elements and which is releasably connectable with rear wheels.
- At least one frame element of the wheelchair frame forms a parting device on which the wheelchair is mounted in a folded mounting position for assembly. days or disassembly of at least the rear wheels is so abong, that the rear wheels occupy a freestanding position in mounted on the wheelchair frame state.
- An inventive wheelchair is very easy transferable between its use state and its folded stowed, the rear wheels of the wheelchair mounted very easy and even-handed while the unit is in the folded mounting position wheelchair or can be dismantled because of together amount ⁇ folded wheelchair not by the operator must be held with one hand to prevent overturning during Mon ⁇ days.
- the wheelchair Since the wheelchair is positioned in its mounting position on the Abstei ⁇ l Rhein, the wheelchair can be very easily gripped by the already sitting in a motor vehicle wheelchair user and invited into the vehicle.
- the wheelchair frame releasably connected front castors in the folded state of the wheelchair with the wheelchair frame releasably connected front castors can assume a free-standing position, so that these are easy to (de) mount.
- a transfer of the wheelchair from its use position to its mounting position is particularly simple if the at least one the Absteil worn forming frame element is designed as a predominantlyabstellvorraum because ei ⁇ ne such forms a stable storage area and the wheelchair or the wheelchair frame starting from the use ⁇ position only a short way forward in the direction of predominantlyabstellvorraum must be tilted.
- the at least one the Absteil worn forming frame element is designed as a predominantlyabstellvortechnisch because ei ⁇ ne such forms a stable storage area and the wheelchair or the wheelchair frame starting from the use ⁇ position only a short way forward in the direction of predominantlyabstellvorraum must be tilted.
- it is thus advantageously not necessary to completely lift the wheelchair of a substrate, so that only a small amount of force is necessary.
- the configuredabstellvorettivocardium is pivotally mounted in an advantageous embodiment of a wheelchair according to the invention on Rahraenimplantationn of the wheelchair frame, the physicallyabstellvoruze between a use position and at least one parking position is pivotable in the the researchingabstellvorraum serves as a Absteil constitutional the folded wheelchair and in which preferably take the front of the wheelchair frame detachably locatable castors a free-standing position.
- the significantly abbreviations the parking position of the contemplatabstellvor ⁇ direction is pivoted by about 80 ° relative to the use position of predominantlyabstellvorides forward, a center of gravity of the wheelchair in its mounting position in the wheelchair longitudinal direction is approximately centrally disposed above the contemplatabstellvorides, and the wheelchair has in its mounting position a very safe Stood up.
- a locking device may be provided by means of which the proposedabstellvoroplasty is lockable both in its use position and in its parking position.
- the locking device can be designed such that the neutrabstellvorraum can also be fixed in a relation to the use position pivoted backward position in which a person sitting on the wheelchair person can easily get up.
- this is arranged in a side region of the wheelchair frame, so that the configuredabstellvorrich- tion can be unlocked with one hand and the other hand can be used to adjust the predominantlyabstellvortechnisch in a desired position.
- the convenientlyabstellvorlatin is easily adjustable by a person in this way.
- the back frame elements of the chair can be pivoted in particular about a transverse axis ge ⁇ geninate the seat frame members of the wheelchair frame, although the basic principle of the invention even in wheelchairs, which can about a longitudinal axis which extends in the seat direction of a user person find application.
- the back frame elements are connected via a Gelenkmecha ⁇ mechanism, in particular a four-bar mechanism, with the seat frame elements, lower frame members and support elements.
- the wheelchair frame of the wheelchair can be folded to a very small package size when the back frame members, the seat frame members and the bottom frame members are translatable by the hinge mechanism into a substantially parallel position.
- a further locking device is provided, by means of which
- Back frame elements are bar ⁇ bar in their use position, the back frame elements after an unlocking Gelung the other locking device in its Posi ⁇ tion when folded wheelchair can be transferred.
- a very simple, especially with one hand possible operation of the locking device is achieved in an advantageous embodiment of the invention, when the wei ⁇ tere locking device has an unlocking, which cooperates with both sides arranged locking mechanisms of the other locking device and by means of which the locking mechanisms ge ⁇ are common unlocked ,
- the unlocking device may be designed as a traction rope, which at ⁇ sammenwirkt with the particular in each case a locking pin having latching mechanisms.
- a wheelchair according to the invention can be assembled in a particularly simple manner when the wheelchair frame has connecting elements provided for connecting frame elements, wherein the frame elements are connected by the connecting elements by means of plug and / or adhesive connections.
- the frame members of the wheelchair frame are formed in a particularly advantageous embodiment of the invention with a magnesium-Knet alloy.
- Such formed frame members are compared to conventional aluminum Alloy fabricated frame elements significantly lighter and can be made much cheaper compared to conventional frame elements produced with fiber composites.
- frame elements formed with a magnesium wrought alloy can be welded by the addition of a self-contained material.
- a respiratory protection-making suspended matter may arise, and for their bonding partially a respirator-requiring adhesives are necessary, are formed with a magnesium wrought alloy frame elements in a simple manner by means of metal saws and glued with pollutant-free adhesive systems.
- frame members formed with a magnesium wrought alloy are completely and sorted recyclerable with respect to frame members formed with fiber composite materials.
- frame elements according to the invention are drawn in the form of tubes or elements with other profile cross sections.
- these tubes or elements can also be easily bent into a desired shape.
- the Rah ⁇ menetti be produced in a deep-drawing process, and have a high yield strength, flexural fatigue strength and elongation so that a trained with such frame elements wheelchair can withstand safely in its use forces occurring.
- the magnesium-manganese alloy may have a manganese content of in particular about 1.4% to about 2.0%, with frame members formed with such an alloy having a particularly low tendency to corrosion.
- the alloy may comprise at least one element from the group of rare earth metals, in particular cerium, the proportion of which is in particular about 0.5% to about 1.0%. It may also be provided that the alloy comprises one or more elements from the group silicon, iron, copper and nickel.
- the magnesium-aluminum-zinc alloy may have a zinc content of about 1% and an aluminum content of about 3% to about 9%, in particular 3%.
- Figure 1 is a three-dimensional view of a wheelchair according to the invention with a folded wheelchair frame in a use position.
- Fig. 2 is a view corresponding to Figure 1 of the wheelchair, wherein a predominantlyabstellvoroplasty of the wheelchair is pivoted relative to the use position in Figure 1 in a AufStehposition ..;
- Figure 3 is a view corresponding to Figures 1 and 2 of the wheelchair, with the foot stop device shown in a car park position;
- Figure 4 shows a detail of the wheelchair, wherein a locking device for fixing the predominantlyabstellvorraum in the use position, the up-standing position and the parking position is visible.
- Fig. 5 is an isometric view of the wheelchair shown in a collapsed position, wherein the back frame elements of the wheelchair are pivoted relative to the seat frame ⁇ elements of the wheelchair;
- FIG. 6 shows a front view of a further locking device, by means of which the back frame elements can be fixed in their position of use;
- Fig. 7 is a sectional view of the further locking device taken along the line A-A;
- FIG. 9 is a three-dimensional view of the wheelchair of FIG. 5, the wheelchair being shown in a mounted on the magnifabstellvorraum mounting position.
- Fig. 10 is a side view of the wheelchair in its mounting position, wherein rear wheels of the wheelchair are removed from the wheelchair frame.
- a wheelchair 1 constructed substantially symmetrically with respect to a longitudinal center plane is shown in a use position.
- the wheelchair 1 has a wheelchair frame 3, which with seat frame elements 5, back frame members 7, lower frame members 9 and support frame members 10 is formed.
- the respective frame members are operatively connected to each other via a joint mechanism formed as a four-bar mechanism 11, wherein the wheelchair 1 can be transferred via the four-bar mechanism 11 from the use position shown in FIG. 1, for example, to a folded stowed position shown in FIG. 5, for example.
- the seat frame elements 5 are connected via a first joint 13 to the lower frame elements 9, which essentially extend from a transverse frame element 19 forming a rear wheel axle to a predominantlyabstellvorraum 21.
- the seat frame elements 5 are rotatably connected in the region of a rear transverse frame element 15 of the back frame elements 7 via a second joint 17 with the back frame elements 7.
- the support frame elements 10 are rotatably connected on the one hand via a third joint 23 in the region of the transverse frame member 19 with the lower frame members 9 and on the other hand via a fourth joint 25 with the seat frame elements 5.
- the four-bar mechanism 11 is formed by the joints 13, 17, 23 and 25.
- a first fabric cover 27 is tensioned between the seat frame elements 5.
- the back frame elements 7 are connected to a second, a backrest forming fabric cover 29.
- the seat and the backrest can also be formed by other materials or plate-like elements in alternative embodiments of the invention.
- the wheelchair 1 has two rear wheels 31 and 33 suitable for manual pushing and two substantially smaller, front steerable rollers 35 and 37, which are designed in a known manner with stub axles which can be locked in the area of the wheelchair frame 3 by means of ball thrust pieces.
- the rear wheels 31, 33 are arranged in the region of the transverse frame element 19 and the rollers 35, 37 in a connecting region of the lower frame elements 9 with the solicitabstellvorraum 21.
- the neutruntellvorettiphon 21 is in a relation to the use position moved forward, for example 3 pivotable position in which the proposedabstellvortechnik 21 a Abstelleinrich- device for the wheelchair in its folded state forms.
- the foot plate 41 is in this case pivoted about 80 ° relative to its position in the use position of solicitabstellvorraum 21.
- a locking device 43 is provided, which is presently arranged in a right wheelchair side associated area between the side member 39 solicitabstellvorides 21 and the lower frame member 9.
- the left wheelchair side associated side member 39 is freely pivotable relative to the lower frame member 9 and is held due to the torsional stiffness of counseltechnisch 21 in a position which corresponds to the position of the side member 39 of the right side of the wheelchair substantially.
- FIG. 4 shows a side view of the right wheelchair side member 39 with the locking device 43, wherein different positions of the side member 39 can be seen.
- the side element 39 is shown in solid line in its use position, dashed lines in its upright position, and dash-dotted lines in its off-set position.
- a fifth Joint 45 pivotally relative to the lower frame member 9.
- a guide track 47 is arranged, in which a guide pin 49 of the locking device 43 engages, wherein the guide track 47 has a concentric with the fifth hinge 45 formed first portion 51 and three extending from the first portion 51 outwardly extending portions.
- a handle member 53 of the locking device 43 is pivoted against a spring force in the present view in a clockwise direction from its home position to a position shown by dashed lines around a sixth joint 55, wherein the guide pin 49 of the locking device 43 in the first Section 51 of the guideway 47 is moved.
- the side member 39 is pivoted at the handle member 53 located in this position to the fifth joint 45 in the standing position shown in dashed lines, wherein the guide pin 49 in a connecting region of the first concentric portion 55 and a second portion 53 of the guide rail 47 is ⁇ moves.
- the neutrabstellvoruze 21 is transferred to its parking position, wherein the side member 39 is rotated for this purpose after a movement of the handle member 53 in its energized position about the fifth joint 45 in a position in which the guide pin 49 in a connecting region of the first Section 51 and the fourth portion 61 of the guide track 47 is arranged.
- the guide pin is guided into a region of the fourth section 61 of the guide track 47 facing away from the fifth hinge 45, so that the foot stop device 21 is locked in its position forming the spacer device.
- the locking device 21 is advantageously operated with one hand, so that a second hand for adjusting the proposedabstellvorraum 21 can be used. An adjustment of counseltellvoroplasty 21 is thus carried out in a simple manner by a person.
- the wheelchair frame 3 is transferred via the four-bar mechanism 11 into a collapsed position shown in FIG. 5, in which the lateral frame elements of the seat frame elements 5, the back frame elements 7, the lower frame elements 9 and the support frame elements 10 are arranged substantially parallel to each other , so that together they only require a small amount of space.
- the further locking means 63 which is more apparent in Figs. 6 to Fig. 8, has two each disposed in a side portion of the wheelchair frame 3 locking mechanisms 65 and 67 which cooperate with a Ent ⁇ lock-out device 69.
- the locking mechanisms 65, 67 each have a locking pin or pins and are mounted in a bush 73 of a connecting element 71, 72.
- About the trained as pull cable 69 unlocking the locking ⁇ pins are connected to each other.
- a locking pin 66 associated with the right side of the wheelchair and its interaction with the right wheelchair side connecting member 71 will be representative of one of the left side of the wheelchair associated locking pin 68 and its Caribbeanwir ⁇ ken with the connecting element 72 described in more detail.
- the locking pin 66 is mounted in a bush 73 formed with metal in the connecting element 71 forming the first joint 13.
- the locking pin 66 cooperates with a spring 73 disposed in the sleeve 73, which pushes the locking pin 66 outwards.
- the locking pin 66 cooperates with a bushing 77 fixedly disposed on the lower frame member 9 and prevents the lower frame member 9 from being pivoted relative to the seat frame member 5 connected to the connecting member 71.
- the cord designed as a cord 69 is guided in loop form by a running in the vertical direction of the locking pin 66, in a side facing away from the sleeve 77 edge region of the locking pin 66 bore 79 and fixed with a ferrule 81.
- a tension belt 83 is provided, which is connected in a central region of the pull cable 69 fixed to the pull cable 69, so that the tension belt 69 is not movable in the extension direction of the pull cable 69 relative thereto.
- the tension belt 83 is at its end facing away from the pull cable 69 around the rear cross frame element 15. leads.
- a determination of the tension belt 83 both in the region of the tension cable 69 and in the region of the transverse frame element 15 can take place via a sewing seam, a welded seam or an adhesive connection.
- the locking pins are withdrawn from the respective sleeves 77 and 66 68th
- a loop 85 formed by the tension belt 83 in the region of the rear transverse frame element 15 can be intervened.
- the back frame elements 9 are then pivotable relative to the lower frame elements 9, so that the roll ⁇ chair frame 3 can be converted into its folded position. Since only one hand is required for unlocking the further locking device 63, the wheelchair frame 3 can be easily transferred with the other hand in its folded position while unlocking the locking device 63, so that this can be handled easily by a person accordingly.
- the joints 13, 17, 23 and 25 of the wheelchair frame 3 a certain stiffness.
- a separate locking device may be provided for securing the position of the wheelchair frame 3 in its folded position.
- the wheelchair 1 in a simple manner in a in Fig. 9 ge ⁇ showed mounting position are transferred, in which the wheelchair 1 is based solely on the solicitabstellvoriques 21st
- the wheelchair 1 can be gripped from the rear, for example, simply on the transverse frame element 19 and tilted forwards.
- wheelchair 1 When located in the mounting position wheelchair 1 neither the rollers 35, 37 nor the rear wheels 31, 33 contact with the ground and thus are in a free-standing position.
- the wheelchair 1 has a secure footing in its mounting position, since a center of gravity of the wheelchair 1 is located substantially centrally above the predominantlyabstellvor substances 21 by a correspondingly pivoted relative to the use position wheelchair parking position of predominantlyabstellvor substances 21.
- the rear wheels 31, 33 can be easily detached from the wheelchair frame 3, wherein the wheelchair 1 by its storage on the proposedabstellvorraum 21 has a secure state.
- the wheelchair 1 has fenders 89, which are connected to the respective rear wheels 31, 33, so that they are also removed from the wheelchair 1 at a distance of the rear wheels 31, 33.
- the wheelchair 1 with remote rear wheels 31, 33 is particularly small and easily stowed.
- any soiled fenders 89 advantageously can not easily come to someone's clothing.
- the rollers 35, 37 can be removed from the wheelchair 1 in the folded-up position, pockets 27 being provided for stowage of the rollers 35, 37 in the first fabric cover 27.
- the wheelchair 1 In its folded position with remote rear wheels 31, 33 and remote casters 35, 37, the wheelchair 1 can be stowed by the small required space together with the removed rear wheels 31, 33, for example, simply on a passenger seat of a motor vehicle. All steps for transferring the wheelchair 1 from its use position to its folded position with the wheels removed are advantageously carried out by the simple design of the locking devices 43, 63 and the provision of the mounting position of the wheelchair 1 from a single person, for example, sitting on a vehicle seat of a motor vehicle.
- the rollers 35, 37 and the rear wheels 31, 33 are arranged in moved to its mounting position wheelchair 1 to the wheelchair 1. Subsequently, the wheelchair 1 is transferred, for example, by pulling on the transverse frame element 19 in a standing on the rear wheels 31, 33 and the rollers 35, 37 position. Following this, the wheelchair frame 3 can be transferred via the four-bar mechanism 11 in its use position, shortly before reaching the position of use, the locking pins 65, 67 against the spring force of the spring 75 must be pulled towards the wheelchair center, so that the connecting elements 71, 71 reach their final position can. Subsequently, the locking pins 65, 67 are brought into engagement, for example, by releasing the tension belt 83 with the bushings 77 of the lower frame members 9, and the wheelchair 1 is secured in its use position.
- the locking pins may also be formed with a run-on slope, so that the locking pins in a transfer of the wheelchair from the Folded position are pressed into the use position of the sleeve or a cooperating element of the lower frame members against the spring force in the sockets of the connecting elements and are transferred on reaching the use position by the spring force of the springs in their locked with the sockets of the lower frame members position.
- the neutrophilstellvoriques 21 can be transferred in the manner described above in a desired position, for example, the upright position, so that a user can easily take on the wheelchair 1 place.
- all the frame members 5, 7, 9, 10, 15, 19, 21 are formed with a magnesium wrought alloy, in the present case a magnesium-manganese-cerium alloy.
- the alloy may have a manganese content of 1.4% to 2.0%, a cerium content of 0.5% to 1.0%, a silicon content less than or equal to 0.05%, an iron content less than or equal to 0.005%, a copper content less than or equal to 0.006% and a nickel content less than or equal to 0.001%.
- Other materials may have a content of less than or equal to 0.5%, with the remainder of the alloy being magnesium.
- frame elements 5, 7, 9, 10, 15, 19, 21 have a very small weight and are inexpensive to produce. In extrusion and rolling, a very fine and uniform microstructure of the material can be achieved. Furthermore, the material is suitable for a so-called warm-in-warm process®.
- the frame members 5, 7, 9, 10, 15, 19, 21 have a very low anisotropy and tendency to corrosion, so that the frame members 5, 7, 9, 10, 15, 19, 21 only by a brush or grinding without a further surface treatment or coating have a very high-quality technical appearance.
- the frame members 5, 7, 9, 10, 15, 19, 21 may also be formed with a magnesium-aluminum-zinc alloy. This may in particular have an aluminum content of 3% and a zinc content of 1% to ⁇ .
- all the frame elements of the wheelchair frame 3 are connectable by means of plug connections with connecting elements provided for connecting the frame elements.
- the frame elements can be additionally or exclusively connected via adhesive bonds with the connecting elements.
- This structure of the wheelchair 1 also has the advantage that a size of the wheelchair 1 by adjusting the length varies the respective frame elements with identical fasteners and can be adapted to the particular application very easily and without major structural changes.
- the connecting elements are designed in particular as art ⁇ material injection components with filled with glass fiber polyamide.
- An advantageous material is polyamide 6 with a glass fiber content of 30% ⁇ Pa6Gf30).
- the wheelchair 1 Due to the choice of materials and structural design of the wheelchair 1 is not only a mounting or dismounting of the wheels 31, 33, 35, 37 easy for a physically impaired person possible. Also, a loading or unloading of the folded wheelchair 1 in or out of a
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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)
- Handcart (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010046442A DE102010046442A1 (de) | 2010-09-24 | 2010-09-24 | Klappbarer Rollstuhl |
DE102010046443A DE102010046443A1 (de) | 2010-09-24 | 2010-09-24 | Rollstuhl |
PCT/DE2011/001783 WO2012037929A1 (de) | 2010-09-24 | 2011-09-26 | Klappbarer rollstuhl |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2618795A1 true EP2618795A1 (de) | 2013-07-31 |
EP2618795B1 EP2618795B1 (de) | 2016-07-27 |
Family
ID=54253315
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11720017.0A Withdrawn EP2618794A1 (de) | 2010-09-24 | 2011-03-28 | Mobilitätserleichterungsvorrichtung |
EP11779572.4A Not-in-force EP2618795B1 (de) | 2010-09-24 | 2011-09-26 | Klappbarer rollstuhl |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11720017.0A Withdrawn EP2618794A1 (de) | 2010-09-24 | 2011-03-28 | Mobilitätserleichterungsvorrichtung |
Country Status (3)
Country | Link |
---|---|
EP (2) | EP2618794A1 (de) |
DE (2) | DE102010046443A1 (de) |
WO (2) | WO2012037910A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012218652A1 (de) * | 2012-10-12 | 2014-04-17 | Brose Fahrzeugteile Gmbh & Co. Kg, Coburg | Fahrzeugsitz mit einem Querrohr |
CN105963087B (zh) * | 2016-06-12 | 2017-09-26 | 永安市恒好医疗器械有限公司 | 一种方便如厕的折叠式轮椅骨架 |
DE112018005945A5 (de) * | 2017-11-22 | 2020-09-17 | Daniel Peter | Trittbrett für einen Rollstuhl |
CA3174886A1 (en) * | 2020-03-09 | 2021-09-16 | Altimate Medical, Inc. | Mobility systems and methods |
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DE20321382U1 (de) * | 1980-07-18 | 2007-01-04 | Küschall AG | Komposit-Rahmenglied und Rahmen für Rollstuhl |
FI78828C (fi) * | 1987-01-20 | 1989-10-10 | Tunturipyoerae Oy | Rullstol. |
DE8900923U1 (de) * | 1989-01-27 | 1989-04-06 | Kleinschmidt, Uwe, 7524 Östringen | Rollstuhl für Behinderte mit abnehmbaren Scheibenrädern, Radgabeln, Fußteil, Sitzschale und einer Faltkinematik, die sich in horizontalen Ebenen bewegt |
CA2094273A1 (en) * | 1990-11-14 | 1992-05-15 | Howard L. Loewenthal | Tapered swing-away footrest |
DE4205512A1 (de) * | 1991-08-19 | 1993-08-26 | Boch Karl | Klappbares-behinderten-transportgeraet |
AU3093692A (en) * | 1992-11-20 | 1994-06-22 | Techma Gesellschaft Mit Beschrankter Haftung | High-strength magnesium alloy |
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DE9421544U1 (de) * | 1993-11-15 | 1996-01-25 | Braam, Harm Hendrik, Haaksbergen | Zusammenklappbarer Rollstuhl |
GB2304314B (en) * | 1995-08-18 | 1999-04-28 | Geoffrey Goodman | A wheelchair |
EP0960806A1 (de) * | 1998-05-29 | 1999-12-01 | Vela International Limited | Fahrradrahmen |
US6557188B1 (en) * | 2002-03-19 | 2003-05-06 | Kennith L. Peterson | Bed to wheelchair transfer assist device |
DE10228287C1 (de) * | 2002-06-25 | 2003-12-04 | Meyra Wilhelm Meyer Gmbh & Co | Rollstruhlrahmen |
US20040021300A1 (en) * | 2002-08-02 | 2004-02-05 | Tsai Ruey Yun | Foldable wheelchair |
DE102005053374A1 (de) * | 2004-11-09 | 2006-11-16 | Hugo Sorg | Transfer- und Aufbockhilfe für einen Rollstuhl |
DE202006010451U1 (de) * | 2006-07-04 | 2006-08-24 | Molab Gmbh | Rollstuhl mit Verbindungselement |
DE102007014680B4 (de) * | 2007-03-27 | 2009-06-18 | Pihsiang Machinery Manufacturing Co., Ltd., Sinfong | Klappbarer, elektrischer Rollstuhl |
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DE102007057363B4 (de) | 2007-11-27 | 2011-03-24 | Gregor Wolf | Rollstuhl |
DE102008017132B3 (de) | 2008-04-03 | 2009-05-20 | Meyra Wilhelm Meyer Gmbh & Co. Kg | Rollstuhl |
CN201481684U (zh) * | 2009-08-31 | 2010-05-26 | 国家康复辅具研究中心 | 一种镁合金轻便轮椅 |
CN201642634U (zh) * | 2010-05-07 | 2010-11-24 | 唐山亨利车料有限公司 | 镁合金轮椅的前叉固定轴套 |
-
2010
- 2010-09-24 DE DE102010046443A patent/DE102010046443A1/de not_active Withdrawn
- 2010-09-24 DE DE102010046442A patent/DE102010046442A1/de not_active Withdrawn
-
2011
- 2011-03-28 WO PCT/DE2011/000337 patent/WO2012037910A1/de active Application Filing
- 2011-03-28 EP EP11720017.0A patent/EP2618794A1/de not_active Withdrawn
- 2011-09-26 WO PCT/DE2011/001783 patent/WO2012037929A1/de active Application Filing
- 2011-09-26 EP EP11779572.4A patent/EP2618795B1/de not_active Not-in-force
Non-Patent Citations (1)
Title |
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See references of WO2012037929A1 * |
Also Published As
Publication number | Publication date |
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DE102010046443A1 (de) | 2012-03-29 |
EP2618795B1 (de) | 2016-07-27 |
WO2012037929A1 (de) | 2012-03-29 |
EP2618794A1 (de) | 2013-07-31 |
WO2012037910A1 (de) | 2012-03-29 |
DE102010046442A1 (de) | 2012-03-29 |
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