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 Title: |
US4890853:
Wheelchair walker
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Olson, Luanne; Chicago, IL 60634
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| Assignee: |
None
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| Published / Filed: |
1990-01-02
/ 1988-03-07
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| Application Number: |
US1988000165177
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| IPC Code: |
Advanced:
A61G 5/00;
A61G 7/10;
A61G 5/10;
A61G 5/12;
A61H 3/00;
IPC-7:
A47C 7/50;
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| ECLA Code: |
A61G5/14; A61G5/00; A61G7/10; A61G7/10S6; A61G7/10Z10H; K61G5/10Z6; K61H201/16A12B; K61G5/10S2; K61G5/12E; K61G5/12H; K61G200/34;
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| U.S. Class: |
Current:
280/087.021;
005/086.1;
280/047.4;
297/005;
297/DIG.004;
482/066;
D12/130;
Original:
280/087.021;
005/081.R;
272/070.3;
280/047.4;
297/005;
297/DIG.4;
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| Field of Search: |
297/DIG. 4,DIG. 10,5
005/81 R
272/70.3,70.4
280/87.02 R,47.25,47.38,47.4,47.41,87.021,87.01,87.051
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| Priority Number: |
| 1988-03-07 |
US1988000165177 |
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| Abstract: |
A foot-propelled wheelchair-walker device which provides for the seated support of the user and also enables the user to stand and walk with the assistance of the device. The wheelchair-walker device has a four wheel base, a hydraulic post for height adjustment, a bent U-shaped cloth covered frame for a patient seat support suspended from the hydraulic post, a retaining bar attachable to said frame and a strap that extends between the user's legs and attaches to the retaining bar to secure the position of the user.
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| Attorney, Agent or Firm: |
Wallenstein, Wagner & Hattis, Ltd. ;
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| Primary / Asst. Examiners: |
Marmor, Charles A.; Mar, Michael
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| Maintenance Status: |
E2 Expired Check current status
CC Certificate of Correction issued
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| INPADOC Legal Status: |
Show legal status actions
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| Family: |
None
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First Claim:
Show all 13 claims |
We claim:
1. A wheelchair-walker device for use by a user requiring assistance in walking or moving about, said device being intended to receive and support the user alternatively in sitting and standing positions and facilitating movement by the user in desirable, erect anatomical positions, said device being adjustable for the proportions and desired position of the user, and device comprising:
- a base having an opening adapted to facilitate the user's entry to and exit from the device and having wheels to provide for mobility of said device;
- a standard connected to said base opposite said opening;
- a seat frame having a U-shape, said frame being secured to said standard and having an opening facing away from said standard and aligned with said opening in said base;
- a seat suspended from said seat frame and adapted to receive said user, said seat having a front seat edge opposite said standard;
- arms projecting from said seat frame and each of said arms having a portion extending beyond said front seat edge defining a handle;
- a retaining bar adapted to restrain the user in the device, said restraining bar being attachable to said handles to close said seat frame opening;
- a strap extending between said front seat edge and said retaining bar, said strap adapted to extend between the legs of the user; and,
- lift means for adjusting the height of the seat frame to accommodate the user in seated and standing positions.
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| Background / Summary: |
Show background / summary
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| Drawing Descriptions: |
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| Description: |
Show description
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| Forward References: |
Show 71 U.S. patent(s) that reference this one
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