CA2570910A1 - Locking mechanism for wheelchair in a vehicle - Google Patents
Locking mechanism for wheelchair in a vehicle Download PDFInfo
- Publication number
- CA2570910A1 CA2570910A1 CA 2570910 CA2570910A CA2570910A1 CA 2570910 A1 CA2570910 A1 CA 2570910A1 CA 2570910 CA2570910 CA 2570910 CA 2570910 A CA2570910 A CA 2570910A CA 2570910 A1 CA2570910 A1 CA 2570910A1
- Authority
- CA
- Canada
- Prior art keywords
- plate
- pin
- locking
- locking mechanism
- disposed
- 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.)
- Abandoned
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 9
- 239000002131 composite material Substances 0.000 claims 1
- KJLPSBMDOIVXSN-UHFFFAOYSA-N 4-[4-[2-[4-(3,4-dicarboxyphenoxy)phenyl]propan-2-yl]phenoxy]phthalic acid Chemical compound C=1C=C(OC=2C=C(C(C(O)=O)=CC=2)C(O)=O)C=CC=1C(C)(C)C(C=C1)=CC=C1OC1=CC=C(C(O)=O)C(C(O)=O)=C1 KJLPSBMDOIVXSN-UHFFFAOYSA-N 0.000 description 1
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 241000518994 Conta Species 0.000 description 1
- 241000404883 Pisa Species 0.000 description 1
- 101001001642 Xenopus laevis Serine/threonine-protein kinase pim-3 Proteins 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- YAFQFNOUYXZVPZ-UHFFFAOYSA-N liproxstatin-1 Chemical compound ClC1=CC=CC(CNC=2C3(CCNCC3)NC3=CC=CC=C3N=2)=C1 YAFQFNOUYXZVPZ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G3/00—Ambulance aspects of vehicles; Vehicles with special provisions for transporting patients or disabled persons, or their personal conveyances, e.g. for facilitating access of, or for loading, wheelchairs
- A61G3/08—Accommodating or securing wheelchairs or stretchers
- A61G3/0808—Accommodating or securing wheelchairs
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Lock And Its Accessories (AREA)
Abstract
A locking mechanism to secure a wheelchair while transporting in a vehicle comprises a base with a guide channel adapted to accept a catch pin and has been secured to a wheelchair. The catch pin is guided into the channel by an angled portion of the base. A
locking mechanism cooperates with a pivot plate to secure the catch pin within the guide channel. A release mechanism allows disengagement.
The guide channel includes a deformation groove that allows the mechanism to operate even when the metal has been deformed through repeated use. Lips are also provided at critical locations to allow free rotation of the parts even when the metal is deformed due to use.
locking mechanism cooperates with a pivot plate to secure the catch pin within the guide channel. A release mechanism allows disengagement.
The guide channel includes a deformation groove that allows the mechanism to operate even when the metal has been deformed through repeated use. Lips are also provided at critical locations to allow free rotation of the parts even when the metal is deformed due to use.
Description
INVENTION TITLE
Locking Mechanism for Whee[chair in a Vehicle BACKGROUND OF THE INVENTION
The danger of loose items moving or shifting around in a vehicle is apparent. The danger is even greater when transporting wheelchairs users. There are been many lock down mechanisms proposed. Over time, many of these mechanisms become inoperabfe or difficult to use due to metal fatigue. A phenomenon known as mushrooming can occur when metal is repeatedly compressed.
There remains a need for an easy to use, reliable and secure mechanism to safely transport wheelchairs in a vehicle.
SUMMARY OF THE INVENTION
A locking mechanism to seture a wheelchair while transporting in a vehicle comprises a base with a guide channel adapted to accept a catch pin and has been secured to a wheelchair. The catch pin is guided into the channel by an angled portion of the base. A
locking mechanism cooperates with a pivot plate to secure the catch pin within the guide channel. A release mechanism allows disengagement.
_~-The guide channel includes a deformation groove that allows the mechanism to operate even when the metal has been deformed through repeated use. Lips are also provided at critical locations to allow free rotation of the'parts even when the metal is deformed due to use.
Other features and advantages of the instant invention will become apparent from the following description of the invention which refers to the accompanying drawings.
gRfEF dESCRIFTION OF THE DRAWINGS
FIG. i is a perspective drawing of the mechanism in an open position according to an embodiment of the present invention.
FIG. 2 is another perspective drawing of the mechanism in a closed position according to an embodiment of the present invention.
FIG. 3 is yet another perspective drawing according to an embodiment of the present invention.
FIG. 4 is a perspective drawing showing the placement of a solenoid according to an embodiment of the present invention.
FIG. 5 is a close-up of the section shown in figure 4.
FIG. 6 is a perspective drawing showing the placement of switches according to an embodiment of the present invention.
FIG. 7 is a detailed drawing of the pivot plate according to an embodiment of the present invention.
Locking Mechanism for Whee[chair in a Vehicle BACKGROUND OF THE INVENTION
The danger of loose items moving or shifting around in a vehicle is apparent. The danger is even greater when transporting wheelchairs users. There are been many lock down mechanisms proposed. Over time, many of these mechanisms become inoperabfe or difficult to use due to metal fatigue. A phenomenon known as mushrooming can occur when metal is repeatedly compressed.
There remains a need for an easy to use, reliable and secure mechanism to safely transport wheelchairs in a vehicle.
SUMMARY OF THE INVENTION
A locking mechanism to seture a wheelchair while transporting in a vehicle comprises a base with a guide channel adapted to accept a catch pin and has been secured to a wheelchair. The catch pin is guided into the channel by an angled portion of the base. A
locking mechanism cooperates with a pivot plate to secure the catch pin within the guide channel. A release mechanism allows disengagement.
_~-The guide channel includes a deformation groove that allows the mechanism to operate even when the metal has been deformed through repeated use. Lips are also provided at critical locations to allow free rotation of the'parts even when the metal is deformed due to use.
Other features and advantages of the instant invention will become apparent from the following description of the invention which refers to the accompanying drawings.
gRfEF dESCRIFTION OF THE DRAWINGS
FIG. i is a perspective drawing of the mechanism in an open position according to an embodiment of the present invention.
FIG. 2 is another perspective drawing of the mechanism in a closed position according to an embodiment of the present invention.
FIG. 3 is yet another perspective drawing according to an embodiment of the present invention.
FIG. 4 is a perspective drawing showing the placement of a solenoid according to an embodiment of the present invention.
FIG. 5 is a close-up of the section shown in figure 4.
FIG. 6 is a perspective drawing showing the placement of switches according to an embodiment of the present invention.
FIG. 7 is a detailed drawing of the pivot plate according to an embodiment of the present invention.
tiETA1LED D ESCPJRTIOl4 OF TKt INVENT3ON
Refiemnce is now made to #e drawings in which rehrence roumerals r,fer to like e1ements_ Ratertirtg now to rigures 1, 2, 3, ~arW 7, a Imidng medmMsnt for a wkelchair iWudes a Nst tUO may be attadmd to a veMcte (not shcxwrn) In order to secure a wheekhair. ~~~ 100 may be to , trr0+ced, rtmted rw secured by other means known in the arty A
front portion of base 100 ts angled to east guiding catch pin 1 204nto a channel guidc ... ..ugh In the e,mbodimem shown, tm cittch ptns 120 are shmn, other combin ... ~ such as using only one catth pin or thr", camh pins nay be used. An advantage to mWtiple catch pins is rt-~~~~e to .~~' ~~ Cmb pin 120 " be mcunted to an anac: nt plat~ 126 to fadlftte n-mu nting a wiftkhair. As catch pin 1 20 , ms contact witfi a trigger ptaw 106, trigger plate 106 rowes around a stat:ionaiy pin 116, which is secured to base 100. A stopper plate 119 also rotates -und s nW pin 116. A stopper plaft pin 13$ is located at the other end of sopper plaft t 18 atid rotatts with stopper Plate I 18. A tarsion spring, 108 pravides b"ng pressure between t.rWer plate 106 NW stopper ~ine I 18. Torsion Spring 108 fits a nd sutonary pin 116.
T~~~ plate 106 has a trigger plate flaW 136 that engages sitGpper ~~ ~ 19 in one dirWlon only. A kx-idng plate 104 is PWoWtv connected to .. 100 bV a locking Plate pin 128 ~fch is secured to base 100. One end of locking plate 104 has a locking plate latch 150, which engages a pivot plate 102_ Locking plate latch 150 is biased against stopper plate 118 by a pivot plate extension spring 112.
Locking plate [atch 150 includes a locking plate pin 140 mounted to its surface. Pivot plate extension spring 112 is attached between locking plate pin 140 and stopper plate pin 138 mounted thereon. Locking plate 104 has a locking plate notch 154 along its outer periphery that engages with a stopper plate pin 138 locking plate 104 [n an open condition. In this condition, the wheelchair may be removed. As catch pin 120}makes contact with trigger plate 106, stopper plate pin 138 moves out of position from locking plate notch 154 to move back into a locked condition. As catch pin 120 moves along the channel guide, it encounters pivot plate 102 which includes a semicircular slotted opening that engages with catch pin 120. As pivot plate 102 rotates around catch pin 120, locking plate 104 moves into position securing catch pin 120 within pivot plate 1 02 and locking plate latch 150 prevents further movement.
Pivot plate 102 Is biased using a pivot plate extension spring 112 which is connected to a pivot plate pin 146 mounted on the surface of pivot plate 102 and a stationary pin 148 mounted to base 100 and rotates about a pivot plate pin 122 fixed to base 100. Although the embodiment shown include pivot plate 106, it is possible to eliminate pivot plate 106 by using an elongated stopper plate 118. Additionally, .4, pho p. e 102 is rat esserttiaf to the ptest"t. ~~~~~~ ~~~~ ~~ ~.:
i o4 is capbk of ~ reIv holding catch pin 120 by kseIf.
Loddng pia+~ 104 ~s rele - from the locked position by aIp~g a force to the ne6m eriti of iotkirtg plate I G4 causing toddog plate ktch ~ ~~ to mow out of ttm kor1rei posi=tion. L c ng plate I G4 is biased bV W t~ ~~ extension spring 1 10, whkh is attached to a release Wwr pfitt mounted ar~ the surface of locking pim 1 04 and tc~ a stnionary pin caruxxftd to base 100.
in use Owrr cach prin 120 slam agai:hg the 'end of the . h nel gulde, it cm deform, the . l +rausing it to mushroom and ~~~ering vAth m rotation of ~cking plan 104. !~ ~ ~ to overcorft this p . lem a de .... ation groove . 124 ts provided so that tockirg pUie 104 is rDt~iog m a dWerert ptime ttm the metal at the tr~~ of deformation groove 124. Addfflo,rWly, the m can deform around vwhen s . : - r plate pin 138 tnpgcs wkh lockAmg plate trotth 154. To proovidt f or pfoper function ewn if this happens, a loWng plate IWXh lip 1 62 ts prcMded t~ ~~ow stopping plate 1 18 tra ratitte ewn tf metW
defor~at$on, h ~~. ns. Likewise, metal deforrrtatiora can also occur around the interior porwn of pivot plue 102 4r+fi+~~ catch pin 120 engages. A ' a pisa Up 164 is prWdeal to overcerne this.
Rtferrirg now to figures 4 and 6, a soknoW 132 is ptovtded to pnwide ei:ectronic operation ofthe p~~~ent InvenUon.
Solenaid 132 fis mmttttd betv~n a ~~omM pjn ~ ~~ attached to base t 00 an+d ~~e lknw pin 142 Attacie~ ~~ The MUM le"f PM cf iOckEn~
piat]04, Salenc-id 1 32rnwbooperAteti byavAreds*Atch ar arenKft conta as is krrcmm in the art Addlt:1 - *,o a swftch 156 may be moo"~ to pmvWe rerrKs~~ staws cf i~e W*Rjon of lockir~~ ~late 104 further enhancing sadFety~ A switch trigger may be ffsowftd on pivot plate 102 to e - W swftch 156 when tatch ~~~ 120 Is sec~~ in plarce.
AJthougtw in the emboilknerft shown, a stmper piM
pin 139 Is used to en~~ ~ Wc*img : ~~~ rootch 154~ any iri~~
en. . imnt arrangewotit would work such as an enkrged porti~n of stopper plate i I S. The only reiqu ire"r~t beitig that the ~gagemerrt portion should be k to be s+eiectNely positicwed wfthiw~ ~~~ing p notch i 54.
Although the irasuint invcentiorr has been described ir-reiatiom to ~ ~~~r emhodiments thereof, many other variations and diftatiorrs and other uses vAlI becwm rtttt to !thme skilled in the art.
Refiemnce is now made to #e drawings in which rehrence roumerals r,fer to like e1ements_ Ratertirtg now to rigures 1, 2, 3, ~arW 7, a Imidng medmMsnt for a wkelchair iWudes a Nst tUO may be attadmd to a veMcte (not shcxwrn) In order to secure a wheekhair. ~~~ 100 may be to , trr0+ced, rtmted rw secured by other means known in the arty A
front portion of base 100 ts angled to east guiding catch pin 1 204nto a channel guidc ... ..ugh In the e,mbodimem shown, tm cittch ptns 120 are shmn, other combin ... ~ such as using only one catth pin or thr", camh pins nay be used. An advantage to mWtiple catch pins is rt-~~~~e to .~~' ~~ Cmb pin 120 " be mcunted to an anac: nt plat~ 126 to fadlftte n-mu nting a wiftkhair. As catch pin 1 20 , ms contact witfi a trigger ptaw 106, trigger plate 106 rowes around a stat:ionaiy pin 116, which is secured to base 100. A stopper plate 119 also rotates -und s nW pin 116. A stopper plaft pin 13$ is located at the other end of sopper plaft t 18 atid rotatts with stopper Plate I 18. A tarsion spring, 108 pravides b"ng pressure between t.rWer plate 106 NW stopper ~ine I 18. Torsion Spring 108 fits a nd sutonary pin 116.
T~~~ plate 106 has a trigger plate flaW 136 that engages sitGpper ~~ ~ 19 in one dirWlon only. A kx-idng plate 104 is PWoWtv connected to .. 100 bV a locking Plate pin 128 ~fch is secured to base 100. One end of locking plate 104 has a locking plate latch 150, which engages a pivot plate 102_ Locking plate latch 150 is biased against stopper plate 118 by a pivot plate extension spring 112.
Locking plate [atch 150 includes a locking plate pin 140 mounted to its surface. Pivot plate extension spring 112 is attached between locking plate pin 140 and stopper plate pin 138 mounted thereon. Locking plate 104 has a locking plate notch 154 along its outer periphery that engages with a stopper plate pin 138 locking plate 104 [n an open condition. In this condition, the wheelchair may be removed. As catch pin 120}makes contact with trigger plate 106, stopper plate pin 138 moves out of position from locking plate notch 154 to move back into a locked condition. As catch pin 120 moves along the channel guide, it encounters pivot plate 102 which includes a semicircular slotted opening that engages with catch pin 120. As pivot plate 102 rotates around catch pin 120, locking plate 104 moves into position securing catch pin 120 within pivot plate 1 02 and locking plate latch 150 prevents further movement.
Pivot plate 102 Is biased using a pivot plate extension spring 112 which is connected to a pivot plate pin 146 mounted on the surface of pivot plate 102 and a stationary pin 148 mounted to base 100 and rotates about a pivot plate pin 122 fixed to base 100. Although the embodiment shown include pivot plate 106, it is possible to eliminate pivot plate 106 by using an elongated stopper plate 118. Additionally, .4, pho p. e 102 is rat esserttiaf to the ptest"t. ~~~~~~ ~~~~ ~~ ~.:
i o4 is capbk of ~ reIv holding catch pin 120 by kseIf.
Loddng pia+~ 104 ~s rele - from the locked position by aIp~g a force to the ne6m eriti of iotkirtg plate I G4 causing toddog plate ktch ~ ~~ to mow out of ttm kor1rei posi=tion. L c ng plate I G4 is biased bV W t~ ~~ extension spring 1 10, whkh is attached to a release Wwr pfitt mounted ar~ the surface of locking pim 1 04 and tc~ a stnionary pin caruxxftd to base 100.
in use Owrr cach prin 120 slam agai:hg the 'end of the . h nel gulde, it cm deform, the . l +rausing it to mushroom and ~~~ering vAth m rotation of ~cking plan 104. !~ ~ ~ to overcorft this p . lem a de .... ation groove . 124 ts provided so that tockirg pUie 104 is rDt~iog m a dWerert ptime ttm the metal at the tr~~ of deformation groove 124. Addfflo,rWly, the m can deform around vwhen s . : - r plate pin 138 tnpgcs wkh lockAmg plate trotth 154. To proovidt f or pfoper function ewn if this happens, a loWng plate IWXh lip 1 62 ts prcMded t~ ~~ow stopping plate 1 18 tra ratitte ewn tf metW
defor~at$on, h ~~. ns. Likewise, metal deforrrtatiora can also occur around the interior porwn of pivot plue 102 4r+fi+~~ catch pin 120 engages. A ' a pisa Up 164 is prWdeal to overcerne this.
Rtferrirg now to figures 4 and 6, a soknoW 132 is ptovtded to pnwide ei:ectronic operation ofthe p~~~ent InvenUon.
Solenaid 132 fis mmttttd betv~n a ~~omM pjn ~ ~~ attached to base t 00 an+d ~~e lknw pin 142 Attacie~ ~~ The MUM le"f PM cf iOckEn~
piat]04, Salenc-id 1 32rnwbooperAteti byavAreds*Atch ar arenKft conta as is krrcmm in the art Addlt:1 - *,o a swftch 156 may be moo"~ to pmvWe rerrKs~~ staws cf i~e W*Rjon of lockir~~ ~late 104 further enhancing sadFety~ A switch trigger may be ffsowftd on pivot plate 102 to e - W swftch 156 when tatch ~~~ 120 Is sec~~ in plarce.
AJthougtw in the emboilknerft shown, a stmper piM
pin 139 Is used to en~~ ~ Wc*img : ~~~ rootch 154~ any iri~~
en. . imnt arrangewotit would work such as an enkrged porti~n of stopper plate i I S. The only reiqu ire"r~t beitig that the ~gagemerrt portion should be k to be s+eiectNely positicwed wfthiw~ ~~~ing p notch i 54.
Although the irasuint invcentiorr has been described ir-reiatiom to ~ ~~~r emhodiments thereof, many other variations and diftatiorrs and other uses vAlI becwm rtttt to !thme skilled in the art.
Claims (17)
- [Claim 1] A locking mechanism for a wheelchair comprising:
a base having a guide channel disposed therein;
a locking plate moveably connected to said base;
said locking plate having a locking plate latch portion disposed on an end;
said locking plate also having a locking plate notch distally disposed along a perimeter of said end therein;
a stopper plate moveably connected to said base;
said stopper plate having an engagement portion adapted to moveably engage said locking plate notch between an open position and a closed position;
at least one catch pin secured to a wheelchair and adapted to fit within said guide channel; and said locking plate adapted to releasably hold said at least one catch pin. - [Claim 2] A locking mechanism for a wheelchair according to claim 1 further comprising:
a deformation trench disposed along a perimeter of said guide channel, wherein said locking plate and said stopper plate both rotate on a plane offset to said deformation trench and will continue to operate even in the event of deformation due to use. - [Claim 3] A locking mechanism for a wheelchair according to claim 1 further comprising a release lever disposed on an opposite end of said locking plate.
- [Claim 4] A locking mechanism for a wheelchair according to claim 1 further comprising:
a first stationary pin fixedly connected to said base;
a trigger plate being rotatably attached to a first stationary pin;
said stopper plate being rotatably attached to said first stationary pin;
a torsion spring fitted over said first stationary pin and adapted to bias said trigger plate against said stopper plate. - [Claim 5] A locking mechanism for wheelchair according to claim 4 further comprising:
a second stationary pin fixedly connected to said base;
a pivot plate pin disposed on an upper surface of a pivot plate; and a pivot plate extension spring disposed between said second stationary pin and said pivot plate pin. - [Claim 6] A locking mechanism for a wheelchair according to claim 3 further comprising:
a third stationary pin fixedly connected to said base;
a release lever pin proximally disposed towards said opposite end of said locking plate; and a release lever extension spring disposed between said third stationary pin and said release lever pin. - [Claim 7] A locking mechanism for a wheelchair according to claim 6 further comprising:
a locking plate pin disposed on said end of said locking plate; and a locking plate extension spring disposed between said locking plate pin and a stopper plate pin. - [Claim 8] A locking mechanism for a wheelchair according to claim 7 further comprising a pivot plate pivot pin fixedly attached to said base wherein said pivot plate rotates about pivot plate pivot pin.
- [Claim 9] A locking mechanism for a wheelchair according to claim eight further comprising a locking plate pivot pin fixedly attached to said base wherein said locking plate rotates about said locking plate pivot pin.
- [Claim 10] A locking mechanism for a wheelchair according to claim I further comprising a wear lip along an engagement periphery of said locking plate latch wherein said locking plate latch will continue to operate even if said locking plate notch is deformed due to use.
- [Claim 11] A locking mechanism for a wheelchair according to claim further comprising a second wear lip along an inner periphery of a pivot plate wherein said pivot plate will continue to operate even if said pivot plate is deformed due to use.
- [Claim 12] A locking mechanism for a wheelchair according to claim 11 further comprising;
a solenoid; and a fourth stationery pin fixedly connected to said base learned said solenoid is disposed between said fourth stationery pin and said release lever pin, to allow electronic operation thereof. - [Claim 13] A locking mechanism for a wheelchair according to claim 12 further comprising:
a switch disposed along said locking plate;
a switch trigger disposed along said pivot plate, wherein when said pivot plate rotates to a selected position said switch trigger engages said switch. - [Claim 14] A locking mechanism for a wheelchair according to claim 1 wherein said locking mechanism is made from metal.
- [Claim 15] A locking mechanism for a wheelchair, according to claim 1 wherein said locking mechanism made from a composite material.
- [Claim 16] A locking mechanism for a wheelchair comprising:
a base having a guide channel disposed therein;
a trigger means to releasably engage a catch pin disposed on a wheelchair;
a locking means to releasably engage a pivot plate rotatably disposed on said base;
a release means to release said catch pin; and a deformation trench along the perimeter of said guide channel. - [Claim 17] A locking mechanism for a wheelchair comprising:
a base having a guide channel disposed therein;
at least one catch pin secured to a wheelchair and adapted to fit within said guide channel; and said guide channel having a deformation trench disposed along a perimeter of said guide channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2570910 CA2570910A1 (en) | 2006-12-08 | 2006-12-08 | Locking mechanism for wheelchair in a vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2570910 CA2570910A1 (en) | 2006-12-08 | 2006-12-08 | Locking mechanism for wheelchair in a vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2570910A1 true CA2570910A1 (en) | 2008-06-08 |
Family
ID=39521239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2570910 Abandoned CA2570910A1 (en) | 2006-12-08 | 2006-12-08 | Locking mechanism for wheelchair in a vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2570910A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8308406B2 (en) | 2009-01-06 | 2012-11-13 | Fall Less Designs & Equipment, Inc. | Wheelchair stabilizing device |
| US8650735B2 (en) | 2010-12-22 | 2014-02-18 | Transfer Solutions, Llc | Wheelchair docking system |
-
2006
- 2006-12-08 CA CA 2570910 patent/CA2570910A1/en not_active Abandoned
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8308406B2 (en) | 2009-01-06 | 2012-11-13 | Fall Less Designs & Equipment, Inc. | Wheelchair stabilizing device |
| US8650735B2 (en) | 2010-12-22 | 2014-02-18 | Transfer Solutions, Llc | Wheelchair docking system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |
Effective date: 20131210 |