CA2558176C - Carrier for attachment to a wheelchair - Google Patents
Carrier for attachment to a wheelchair Download PDFInfo
- Publication number
- CA2558176C CA2558176C CA2558176A CA2558176A CA2558176C CA 2558176 C CA2558176 C CA 2558176C CA 2558176 A CA2558176 A CA 2558176A CA 2558176 A CA2558176 A CA 2558176A CA 2558176 C CA2558176 C CA 2558176C
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- Canada
- Prior art keywords
- carrier
- wheelchair
- occupant
- basket
- sides
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- 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
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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)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
- Handcart (AREA)
Abstract
A carrier for mounting on a wheelchair comprising: an elongate, rigid body having a pair of upstanding, solid sides, a pair of upstanding, solid ends, the sides and ends defining a top opening and a rigid, solid bottom with drainage apertures, the sides being of greater height than the height of the ends to allow easy access to the carrier at its ends by a wheelchair occupant, and to allow support for objects of different sizes in the carrier; a pair of cooperating pivoting members, one pivoting member being fixed to an outer back corner of the wheelchair and a telescoping support assembly comprising inner and outer members, one end of the inner member being secured to the other pivoting member, and the bottom of the carrier being secured and supported along the length of the outer member of the telescopic assembly; a latching mechanism located at the other outer back corner of the wheelchair for releasably securing the free end of the telescopic assembly and the carrier to the back of the wheelchair for storage, which mechanism when released by the wheelchair occupant, allows the carrier to be pivoted from the back storage position to the side of the wheelchair, and extended forwardly via the telescopic assembly by the occupant, as desired for access to the carrier and its ends, for loading and unloading of objects.
Description
CARRIER FOR ATTACHMENT TO A WHEELCHAIR
FIELD OF THE INVENTION
The present invention relates to an accessory basket or carrier for attachment to a wheelchair.
BACKGROUND OF THE INVENTION
While wheelchair storage devices have been part of prior art for some many years, there remains the ever-popular issue of accessibility to said storage devices. Many wheelchair users find it difficult to reach back to retrieve contents from the storage device.
Accordingly, it is desirable for those using wheelchairs to have easy access to belongings stored in his or her chair. The present inventor sought to provide those using wheelchairs with a removable, rotatable and extendable storage basket, which mounts to the rear of virtually any wheelchair.
Furthermore, many persons with mild handicaps alternate the use of a walker and a wheelchair. For example, a handicap driver, having a walker may choose to borrow a wheelchair in a shopping mall, but what to do with the walker has been a challenge as well. The present invention solves this problem by ensuring the basket of the present invention is fabricated of sturdy and durable material, sufficient to handle loads imposed by such walkers.
The applicant is aware of several attempts in prior art to provide wheelchair storage devices.
For example, reference may be had to the following U.S. Patents; U.S. Pat. No.
4,795,182 of Dyess, issued Jan. 3, 1989, U.S. Pat. No. 4,919,443 of Kehler, issued Apr.
24, 1990, and U.S. Pat. No. 5,180,181 of Letechipia, issued Jan. 19, 1993.
Conclusively, while many prior art inventions have succeeded in providing users of wheelchairs with accessory storage devices, none thus far have successfully combined the features of accessibility, sturdiness, ease of use and adaptability to various wheelchair models.
DOCS'I'OR: 2164640\1 SUMMARY OF THE INVENTION
It is thus the object of the present invention to provide wheelchair users with an accessible, sturdy, ease of use storage device that is also adaptable to virtually any electric wheelchair model.
In one aspect of the invention, there is provided a universal adapter to fixedly attach the wheelchair basket of the present invention to virtually any electric wheelchair.
In another aspect of the invention, the basket dimensions may vary dependant on user preference.
In yet another aspect of the invention, the strike and catch methods may be substituted with any equally suitable means.
Accordingly, the wheelchair basket of the present invention provides wheelchair users with a storage device incorporating the features of accessibility, sturdiness, ease of use and adaptability to various wheelchair models.
The utility of this accessory device includes but is not limited to electric wheelchairs.
This disclosure provides a carrier for mounting on a wheelchair comprising: an open topped, elongate, rigid body having a pair of upstanding and solid sides, a pair of upstanding, solid and shorter ends and a rigid and solid bottom with drainage apertures, the top of each side being of semi-circular shape, and the ends being similar in height to the height of the lower portion of each semicircular side to allow easy access to the carrier at its ends by a wheelchair occupant, and to allow support for parcels of different heights in the carrier; a mating pair of upper and lower pivoting members, the lower pivot member being fixed to an outer back corner of the wheelchair, a telescopic tube assembly comprising inner and outer members, one end of the inner member being secured to the upper pivot member, and the bottom of the carrier being secured along the length of the outer member of the telescopic tube assembly whereby the carrier can be pivoted from the back to one side, and vice versa, of the wheelchair; a latching mechanism located at the other back outside corner of the wheelchair for releasably securing the free end of the telescopic tube assembly and the carrier to the back of the wheelchair for storage, which mechanism when released by the wheelchair occupant, DOCSTOR: 2164640\1 allows the carrier to be pivoted from the back to the side of the wheelchair, and extended forwardly via the telescopic tube assembly by the occupant, as desired for access to the carrier, and its ends for loading and unloading purposes.
More specifically, there is disclosed a sturdy basket or carrier, a pivotal extending rail, wheelchair connecting means, and a catch mechanism. Two wheelchair-connecting members are provided; one having a hinge pivot assembly and the other a catch mechanism. The outer telescopic rail is adapted with a strike, mating with a catch adapted to the wheelchair-connecting member, while the inner telescopic rail is adapted with an upper hinge portion mating with a lower hinge portion adapted to an opposing wheelchair-connecting member. A catch release disengages the strike to allow the rail and basket assembly to be rotated on a vertical axis toward the side of said wheelchair, and the basket can thus be extended toward the front of said chair, making access to said basket easy and convenient.
In another aspect, the carrier design includes a rigid planar sheet fixedly attached to the upper surface of the outer member of said telescoping support assembly so as to securely fasten the carrier to said outer member. The device may further comprise the carrier of claim 14, further comprising a release cord remotely attached to a catch of said latch mechanism and extending to the general seat area of said wheelchair thus allowing the wheelchair occupant to release said catch.
In addition, the carrier design may include a stop on the telescoping support assembly to prevent it from telescoping normally, which stop can be de-activated by the wheelchair occupant. The elongate sides of greater height than the height of the ends of the carrier may be semi-circular shaped. The carrier may include a cover for the opening.
The carrier may be biased to return to its storage position.
BRIEF DESCRIPTION OF THE DRAWINGS
These and other advantages of the invention will become apparent upon reading the following detailed description and upon referring to the drawings in which:
FIG. 1 is a partial front perspective view from above of the wheelchair basket of the present invention installed onto a conventional electric wheelchair.
FIELD OF THE INVENTION
The present invention relates to an accessory basket or carrier for attachment to a wheelchair.
BACKGROUND OF THE INVENTION
While wheelchair storage devices have been part of prior art for some many years, there remains the ever-popular issue of accessibility to said storage devices. Many wheelchair users find it difficult to reach back to retrieve contents from the storage device.
Accordingly, it is desirable for those using wheelchairs to have easy access to belongings stored in his or her chair. The present inventor sought to provide those using wheelchairs with a removable, rotatable and extendable storage basket, which mounts to the rear of virtually any wheelchair.
Furthermore, many persons with mild handicaps alternate the use of a walker and a wheelchair. For example, a handicap driver, having a walker may choose to borrow a wheelchair in a shopping mall, but what to do with the walker has been a challenge as well. The present invention solves this problem by ensuring the basket of the present invention is fabricated of sturdy and durable material, sufficient to handle loads imposed by such walkers.
The applicant is aware of several attempts in prior art to provide wheelchair storage devices.
For example, reference may be had to the following U.S. Patents; U.S. Pat. No.
4,795,182 of Dyess, issued Jan. 3, 1989, U.S. Pat. No. 4,919,443 of Kehler, issued Apr.
24, 1990, and U.S. Pat. No. 5,180,181 of Letechipia, issued Jan. 19, 1993.
Conclusively, while many prior art inventions have succeeded in providing users of wheelchairs with accessory storage devices, none thus far have successfully combined the features of accessibility, sturdiness, ease of use and adaptability to various wheelchair models.
DOCS'I'OR: 2164640\1 SUMMARY OF THE INVENTION
It is thus the object of the present invention to provide wheelchair users with an accessible, sturdy, ease of use storage device that is also adaptable to virtually any electric wheelchair model.
In one aspect of the invention, there is provided a universal adapter to fixedly attach the wheelchair basket of the present invention to virtually any electric wheelchair.
In another aspect of the invention, the basket dimensions may vary dependant on user preference.
In yet another aspect of the invention, the strike and catch methods may be substituted with any equally suitable means.
Accordingly, the wheelchair basket of the present invention provides wheelchair users with a storage device incorporating the features of accessibility, sturdiness, ease of use and adaptability to various wheelchair models.
The utility of this accessory device includes but is not limited to electric wheelchairs.
This disclosure provides a carrier for mounting on a wheelchair comprising: an open topped, elongate, rigid body having a pair of upstanding and solid sides, a pair of upstanding, solid and shorter ends and a rigid and solid bottom with drainage apertures, the top of each side being of semi-circular shape, and the ends being similar in height to the height of the lower portion of each semicircular side to allow easy access to the carrier at its ends by a wheelchair occupant, and to allow support for parcels of different heights in the carrier; a mating pair of upper and lower pivoting members, the lower pivot member being fixed to an outer back corner of the wheelchair, a telescopic tube assembly comprising inner and outer members, one end of the inner member being secured to the upper pivot member, and the bottom of the carrier being secured along the length of the outer member of the telescopic tube assembly whereby the carrier can be pivoted from the back to one side, and vice versa, of the wheelchair; a latching mechanism located at the other back outside corner of the wheelchair for releasably securing the free end of the telescopic tube assembly and the carrier to the back of the wheelchair for storage, which mechanism when released by the wheelchair occupant, DOCSTOR: 2164640\1 allows the carrier to be pivoted from the back to the side of the wheelchair, and extended forwardly via the telescopic tube assembly by the occupant, as desired for access to the carrier, and its ends for loading and unloading purposes.
More specifically, there is disclosed a sturdy basket or carrier, a pivotal extending rail, wheelchair connecting means, and a catch mechanism. Two wheelchair-connecting members are provided; one having a hinge pivot assembly and the other a catch mechanism. The outer telescopic rail is adapted with a strike, mating with a catch adapted to the wheelchair-connecting member, while the inner telescopic rail is adapted with an upper hinge portion mating with a lower hinge portion adapted to an opposing wheelchair-connecting member. A catch release disengages the strike to allow the rail and basket assembly to be rotated on a vertical axis toward the side of said wheelchair, and the basket can thus be extended toward the front of said chair, making access to said basket easy and convenient.
In another aspect, the carrier design includes a rigid planar sheet fixedly attached to the upper surface of the outer member of said telescoping support assembly so as to securely fasten the carrier to said outer member. The device may further comprise the carrier of claim 14, further comprising a release cord remotely attached to a catch of said latch mechanism and extending to the general seat area of said wheelchair thus allowing the wheelchair occupant to release said catch.
In addition, the carrier design may include a stop on the telescoping support assembly to prevent it from telescoping normally, which stop can be de-activated by the wheelchair occupant. The elongate sides of greater height than the height of the ends of the carrier may be semi-circular shaped. The carrier may include a cover for the opening.
The carrier may be biased to return to its storage position.
BRIEF DESCRIPTION OF THE DRAWINGS
These and other advantages of the invention will become apparent upon reading the following detailed description and upon referring to the drawings in which:
FIG. 1 is a partial front perspective view from above of the wheelchair basket of the present invention installed onto a conventional electric wheelchair.
DOCSTOR: 2164640\1 FIG. 2 is a top plan view of the wheelchair basket of the present invention illustrating its pivotal and extension range.
FIG. 3 is rear perspective view from above of the wheelchair basket of the present invention.
FIG. 4 is a right side elevation view of the wheelchair basket of the present invention FIG. 5a is a partial right side elevation view of latch mechanism of the wheelchair basket of the present invention illustrated the approach of the strike to the catch.
FIG. 5b is a partial right side elevation view of latch mechanism of the wheelchair basket of the present invention in a near catch position.
FIG. 5c is a partial right side elevation view of latch mechanism of the wheelchair basket of the present invention in a locked position.
FIG. 6 is an elevation view of the hinge portion of the wheelchair basket of the present invention.
FIG. 7 is a rear elevation view of the wheelchair basket of the present invention in its collapsed configuration.
FIG. 8 is a rear elevation view of the wheelchair basket of the present invention illustrating in its extended configuration.
FIG. 9a is a cross-section view taken along the lines 10-10 of FIG. 1 of the wheelchair basket of the present invention illustrating the rail assembly in a collapsed state.
FIG. 9b is a cross-section view taken along the lines 10-10 of FIG. 1 of the wheelchair basket of the present invention illustrating the rail assembly in an extended state.
While the invention will be described in conjunction with preferred illustrated embodiments, it will be understood that it is not intended to limit the invention to such embodiments. On the contrary, it is intended to cover all alternatives, modifications and equivalents as may be included within the spirit and scope of the invention as defined by the appended claims.
FIG. 3 is rear perspective view from above of the wheelchair basket of the present invention.
FIG. 4 is a right side elevation view of the wheelchair basket of the present invention FIG. 5a is a partial right side elevation view of latch mechanism of the wheelchair basket of the present invention illustrated the approach of the strike to the catch.
FIG. 5b is a partial right side elevation view of latch mechanism of the wheelchair basket of the present invention in a near catch position.
FIG. 5c is a partial right side elevation view of latch mechanism of the wheelchair basket of the present invention in a locked position.
FIG. 6 is an elevation view of the hinge portion of the wheelchair basket of the present invention.
FIG. 7 is a rear elevation view of the wheelchair basket of the present invention in its collapsed configuration.
FIG. 8 is a rear elevation view of the wheelchair basket of the present invention illustrating in its extended configuration.
FIG. 9a is a cross-section view taken along the lines 10-10 of FIG. 1 of the wheelchair basket of the present invention illustrating the rail assembly in a collapsed state.
FIG. 9b is a cross-section view taken along the lines 10-10 of FIG. 1 of the wheelchair basket of the present invention illustrating the rail assembly in an extended state.
While the invention will be described in conjunction with preferred illustrated embodiments, it will be understood that it is not intended to limit the invention to such embodiments. On the contrary, it is intended to cover all alternatives, modifications and equivalents as may be included within the spirit and scope of the invention as defined by the appended claims.
DOCSTOR: 2164640\1 DETAILED DESCRIPTION
In the following description, similar features in the drawings have been given similar reference numerals.
Turning to FIG. 1, which illustrates the arrangement of the wheelchair basket of the present invention onto a conventional electric wheelchair 10 wherein, universal wheelchair-attaching members, one, a male pivot member 9 and the second, a latch member are fixedly attached to the wheelchair's rear framework. A telescopic rail assembly 8 having an inner square tube 13 integrally attached to a female pivot member 17, and a square outer tube 15 having inner dimensions only slightly greater than the outer dimensions of the mating inner tube 13. Said outer tube 15 in securedly attached to the under side of the basket 4. The basket 4 and rail assembly 8 can thereby be pivoted toward the side of the wheelchair 10, and extended more closely toward the person occupying said wheelchair 10.
Turning now to FIG. 2, a top plan view of the wheelchair basket of the present invention illustrating said pivotal motion granted to the basket 4 and rail 8 assemblies along a vertical axis at the pivot assembly 6. Furthermore, this figure also depicts the extension capability also granted through the use of the telescopic rail assembly 8 thereby making it possible for the user to gain easy and convenient access to the basket's 4 content. A
gravitational catch 21 in alignment with a strike 22 also easy the replacement of said basket 4 to its original rear-facing position. A catch release cord 23 is attached to the upper portion of said catch 21 thereby allowing remote disengagement of the basket 4 from said catch 21.
FIG. 3, a rear perspective view from above of the wheelchair basket of the present invention illustrates in clearer form, the full arrangement of the invention wherein; two wheelchair-attaching members 30 and 31, the first wheelchair-attaching member 30, incorporates a male pivot member 9 fixedly attached thereto, and the second wheelchair-attaching member 31, incorporates a latch assembly 12, which is located at the rearmost extreme of the second wheelchair-attaching member 31. A
telescopic rail assembly 8 having an inner square tube 13 integrally attached to a female pivot member 17, and a square outer tube 15 having inner dimensions only slightly greater than the outer dimensions of the mating inner tube 13 thus both inner and outer tubes 13 and 15 are free to limitedly slide longitudinally along each other. Said outer tube 15 in securedly DOCSTOR: 2164640\1 attached to the under side of the basket 4 therefore pulling the basket away from the pivot portion 6 will evidently bring along the outer tube 15. A strike assembly 12 having a strike extension 40 fixedly attached to the lower surface of the outer rail 15 distal to the pivot portion 6, a strike mount 41 also fixedly attached to the rearmost end of said strike extension 40. To place the basket 4 back in its original position, adjacent to the rear surface of the wheelchair's seat back, the user simply rotates the basket assembly toward the rear of the chair and the strike 22 will engage with the catch 21.
To release said basket assembly, the user pulls the release cord 45. By disposing the wheelchair-attaching members 30 and 31 slightly downwardly and rearwardly, the basket 4 will have a gravitational tendency to displace from the catch 21.
Turning now to FIG. 4, a right side elevation view of the wheelchair basket wherein the basket is shaped having two equal front and back planar sheet member shaped with an arch that substantially raises the effective height of the basket and, each side of said front and back members is generally equal in height to that of the basket's left and right side members thereby allow the benefit of placing larger articles in said basket 4 yet gaining easier access to same basket 4. Accordingly, a cover can be provided to selectively shelter the basket's contents from the elements. Again in this figure, the catch 5 assembly 12 is more closely depicted, illustrating the arrangement of the catch 21 within the wheelchair-attaching member 31 using a pin through said wheelchair-attaching member 31 providing a pivotal point for the catch 21. A release cord attached to an eyelet 46 traversing the upper portion of the catch 21--allows the user to remotely disengage the catch to release the strike 22 thus freeing the basket 4.
FIGS. 5a, 5b and 5c quite simply illustrate the mechanical interactivity between the catch 21 and the strike 22 as these parts approach to engage. The release cord 45 is attached to an eyelet 46 traversing the upper portion of the catch 21 and extends to the armrest portion of the wheelchair allowing the user to remotely disengage the catch to release the strike 22.
FIG. 6 is an elevation view of the pivot assembly 6 comprising: a lower male pivot member 9 having a slimmer stem 20, and an upper female pivot member 17 having a void 18 similar in geometry and tolerance to that of the lower pivot's 9 protruding stem 20. When engaged, these members 9 and 17 rotate along a vertical axis effectively causing a hinging motion.
In the following description, similar features in the drawings have been given similar reference numerals.
Turning to FIG. 1, which illustrates the arrangement of the wheelchair basket of the present invention onto a conventional electric wheelchair 10 wherein, universal wheelchair-attaching members, one, a male pivot member 9 and the second, a latch member are fixedly attached to the wheelchair's rear framework. A telescopic rail assembly 8 having an inner square tube 13 integrally attached to a female pivot member 17, and a square outer tube 15 having inner dimensions only slightly greater than the outer dimensions of the mating inner tube 13. Said outer tube 15 in securedly attached to the under side of the basket 4. The basket 4 and rail assembly 8 can thereby be pivoted toward the side of the wheelchair 10, and extended more closely toward the person occupying said wheelchair 10.
Turning now to FIG. 2, a top plan view of the wheelchair basket of the present invention illustrating said pivotal motion granted to the basket 4 and rail 8 assemblies along a vertical axis at the pivot assembly 6. Furthermore, this figure also depicts the extension capability also granted through the use of the telescopic rail assembly 8 thereby making it possible for the user to gain easy and convenient access to the basket's 4 content. A
gravitational catch 21 in alignment with a strike 22 also easy the replacement of said basket 4 to its original rear-facing position. A catch release cord 23 is attached to the upper portion of said catch 21 thereby allowing remote disengagement of the basket 4 from said catch 21.
FIG. 3, a rear perspective view from above of the wheelchair basket of the present invention illustrates in clearer form, the full arrangement of the invention wherein; two wheelchair-attaching members 30 and 31, the first wheelchair-attaching member 30, incorporates a male pivot member 9 fixedly attached thereto, and the second wheelchair-attaching member 31, incorporates a latch assembly 12, which is located at the rearmost extreme of the second wheelchair-attaching member 31. A
telescopic rail assembly 8 having an inner square tube 13 integrally attached to a female pivot member 17, and a square outer tube 15 having inner dimensions only slightly greater than the outer dimensions of the mating inner tube 13 thus both inner and outer tubes 13 and 15 are free to limitedly slide longitudinally along each other. Said outer tube 15 in securedly DOCSTOR: 2164640\1 attached to the under side of the basket 4 therefore pulling the basket away from the pivot portion 6 will evidently bring along the outer tube 15. A strike assembly 12 having a strike extension 40 fixedly attached to the lower surface of the outer rail 15 distal to the pivot portion 6, a strike mount 41 also fixedly attached to the rearmost end of said strike extension 40. To place the basket 4 back in its original position, adjacent to the rear surface of the wheelchair's seat back, the user simply rotates the basket assembly toward the rear of the chair and the strike 22 will engage with the catch 21.
To release said basket assembly, the user pulls the release cord 45. By disposing the wheelchair-attaching members 30 and 31 slightly downwardly and rearwardly, the basket 4 will have a gravitational tendency to displace from the catch 21.
Turning now to FIG. 4, a right side elevation view of the wheelchair basket wherein the basket is shaped having two equal front and back planar sheet member shaped with an arch that substantially raises the effective height of the basket and, each side of said front and back members is generally equal in height to that of the basket's left and right side members thereby allow the benefit of placing larger articles in said basket 4 yet gaining easier access to same basket 4. Accordingly, a cover can be provided to selectively shelter the basket's contents from the elements. Again in this figure, the catch 5 assembly 12 is more closely depicted, illustrating the arrangement of the catch 21 within the wheelchair-attaching member 31 using a pin through said wheelchair-attaching member 31 providing a pivotal point for the catch 21. A release cord attached to an eyelet 46 traversing the upper portion of the catch 21--allows the user to remotely disengage the catch to release the strike 22 thus freeing the basket 4.
FIGS. 5a, 5b and 5c quite simply illustrate the mechanical interactivity between the catch 21 and the strike 22 as these parts approach to engage. The release cord 45 is attached to an eyelet 46 traversing the upper portion of the catch 21 and extends to the armrest portion of the wheelchair allowing the user to remotely disengage the catch to release the strike 22.
FIG. 6 is an elevation view of the pivot assembly 6 comprising: a lower male pivot member 9 having a slimmer stem 20, and an upper female pivot member 17 having a void 18 similar in geometry and tolerance to that of the lower pivot's 9 protruding stem 20. When engaged, these members 9 and 17 rotate along a vertical axis effectively causing a hinging motion.
DOCSTOR: 2164640\1 FIGS. 7 and 8 depict the position status of the various portions when collapsed (FIG. 7) and when extended (FIG. 8). An extension limiter is incorporated within the inner and outer tubes 13 and 15 of the rail assembly 8 for added safety.
Turning now to FIGS. 9a and 9b, both cross sections taken along lines 10-10 of FIG. 1 wherein the extension limiter system is further depicted. The inner tube 13 is adapted with a fixedly attached perforated insert 51 through which a limit rod 48 slidably traverses. Said limit rod 48 having a stop end 49 with an outer diameter greater that the inner diameter of the perforation of the inner tube's 13 insert 51 thus preventing the stop end 49 from traversing through said insert 51. The outer tube 15 is also adapted with a secondary perforated insert 52 frictionally engaged within the outer tube's 15 end distal to the pivot portion. However, the secondary insert 52 is threadedly bored through one side, and the outer tube 15 is bored in alignment with the insert 52 bore thereby providing access for a set screw 50 to lock the limit rod 48 securely within the bore of the outer tube's 15 secondary insert 52. Therefore, the inner tube 13 can travel longitudinally within the outer tube 15 to a limit generally equal to the free length of the limit rod 48.
Therefore, it is now possible, through the implementation of the wheelchair basket of the present invention, to provide those using wheelchairs to have a storage device that is all of; easily removable, adaptable to virtually any electric wheelchair, easy accessible, extendable, convenient and easy to deploy and retract.
Turning now to FIGS. 9a and 9b, both cross sections taken along lines 10-10 of FIG. 1 wherein the extension limiter system is further depicted. The inner tube 13 is adapted with a fixedly attached perforated insert 51 through which a limit rod 48 slidably traverses. Said limit rod 48 having a stop end 49 with an outer diameter greater that the inner diameter of the perforation of the inner tube's 13 insert 51 thus preventing the stop end 49 from traversing through said insert 51. The outer tube 15 is also adapted with a secondary perforated insert 52 frictionally engaged within the outer tube's 15 end distal to the pivot portion. However, the secondary insert 52 is threadedly bored through one side, and the outer tube 15 is bored in alignment with the insert 52 bore thereby providing access for a set screw 50 to lock the limit rod 48 securely within the bore of the outer tube's 15 secondary insert 52. Therefore, the inner tube 13 can travel longitudinally within the outer tube 15 to a limit generally equal to the free length of the limit rod 48.
Therefore, it is now possible, through the implementation of the wheelchair basket of the present invention, to provide those using wheelchairs to have a storage device that is all of; easily removable, adaptable to virtually any electric wheelchair, easy accessible, extendable, convenient and easy to deploy and retract.
DOCSTOR: 2164640\1
Claims (7)
1. A carrier for mounting on a wheelchair comprising:
an elongate, rigid body having a pair of upstanding, solid sides, a pair of upstanding, solid ends, the sides and ends defining a top opening and a rigid, solid bottom with drainage apertures, the sides being of greater height than the height of the ends to allow easy access to the carrier at its ends by a wheelchair occupant, and to allow support for objects of different sizes in the carrier;
a pair of cooperating pivoting members, one pivoting member being fixed to an outer back corner of the wheelchair and a telescoping support assembly comprising inner and outer members, one end of the inner member being secured to the other pivoting member, and the bottom of the carrier being secured and supported along the length of the outer member of the telescopic assembly;
a latching mechanism located at the other outer back corner of the wheelchair for releasably securing the free end of the telescopic assembly and the carrier to the back of the wheelchair for storage, which mechanism when released by the wheelchair occupant, allows the carrier to be pivoted from the back storage position to the side of the wheelchair, and extended forwardly via the telescopic assembly by the occupant, as desired for access to the carrier and its ends, for loading and unloading of objects.
an elongate, rigid body having a pair of upstanding, solid sides, a pair of upstanding, solid ends, the sides and ends defining a top opening and a rigid, solid bottom with drainage apertures, the sides being of greater height than the height of the ends to allow easy access to the carrier at its ends by a wheelchair occupant, and to allow support for objects of different sizes in the carrier;
a pair of cooperating pivoting members, one pivoting member being fixed to an outer back corner of the wheelchair and a telescoping support assembly comprising inner and outer members, one end of the inner member being secured to the other pivoting member, and the bottom of the carrier being secured and supported along the length of the outer member of the telescopic assembly;
a latching mechanism located at the other outer back corner of the wheelchair for releasably securing the free end of the telescopic assembly and the carrier to the back of the wheelchair for storage, which mechanism when released by the wheelchair occupant, allows the carrier to be pivoted from the back storage position to the side of the wheelchair, and extended forwardly via the telescopic assembly by the occupant, as desired for access to the carrier and its ends, for loading and unloading of objects.
2. The carrier of claim 1, wherein the telescopic assembly includes a stop to prevent it from telescoping, which stop is easily released by the wheelchair occupant.
3. The carrier of claim 1 or 2, wherein the elongate sides of the carrier which are of greater height than the height of the ends of the carrier are of semi-circular shape.
4. The carrier of claim 1, 2 or 3, further comprising a cover for the opening.
5. The carrier of claim 1, 2, 3 or 4, wherein the carrier mounted on the telescoping support assembly is biased to return to its storage position.
6. The wheelchair carrier of claim 1, 2, 3, 4, or 5, wherein a rigid planar sheet is fixedly attached to the upper surface of the outer member of said telescoping support assembly so as to securely fasten the carrier to said outer member.
7. The carrier of any one of claims 1 to 6, further comprising a release cord remotely attached to a catch of said latch mechanism and extending to the general seat area of said wheelchair thus allowing the wheelchair occupant to release said catch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2558176A CA2558176C (en) | 2006-08-23 | 2006-08-23 | Carrier for attachment to a wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2558176A CA2558176C (en) | 2006-08-23 | 2006-08-23 | Carrier for attachment to a wheelchair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2558176A1 CA2558176A1 (en) | 2008-02-23 |
| CA2558176C true CA2558176C (en) | 2012-01-31 |
Family
ID=39103108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2558176A Expired - Fee Related CA2558176C (en) | 2006-08-23 | 2006-08-23 | Carrier for attachment to a wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2558176C (en) |
-
2006
- 2006-08-23 CA CA2558176A patent/CA2558176C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2558176A1 (en) | 2008-02-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDC | Discontinued application reinstated | ||
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20220301 |
|
| MKLA | Lapsed |
Effective date: 20200831 |