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 Title: |
US3937519:
Mobile chair for paraplegics
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Schoolden, Raymond; Miami, FL 33172
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| Assignee: |
None
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| Published / Filed: |
1976-02-10
/ 1974-03-25
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| Application Number: |
US1974000454615
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| IPC Code: |
Advanced:
A61G 5/00;
A61G 5/10;
A61G 7/10;
IPC-7:
A47C 3/20;
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| ECLA Code: |
A61G7/10N6; A61G5/00; A61G5/10S2; A61G7/10S6; A61G7/10S6A; K61G5/10Z7; K61G200/34;
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| U.S. Class: |
Current:
297/344.19;
005/081.1R;
005/086.1;
180/315;
188/002.F;
280/211;
280/250.1;
297/352;
297/DIG.010;
Original:
297/347;
297/DIG.10;
297/352;
297/DIG.4;
180/077.R;
188/002.F;
005/081.R;
280/211;
280/242.WC;
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| Field of Search: |
280/211,220,242 R,242 WC
188/2 F,16,29,354
297/DIG. 4,DIG. 10,5,347,DIG. 9
180/77 R
224/029
272/70.3
005/081
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| Priority Number: |
| 1974-03-25 |
US1974000454615 |
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| Abstract: |
The present wheel chair has a hydraulic jack for raising and lowering a seat. The frame of the chair has spaced opposite sides and a jack-supporting horizontal platform at the bottom. At the back, the frame of the chair is open above this platform so that the user enters and leaves the chair (getting on and off the seat) from the back.
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| Attorney, Agent or Firm: |
Oltman and Flynn ;
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| Primary / Asst. Examiners: |
Wood, Jr., M. H.; Silverstrim, John P.
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| Family: |
None
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First Claim:
Show all 2 claims |
Having described my invention, I claim:
1. In a wheel chair having:
- a chair frame with spaced, opposite sides; means at the front of said frame extending between and rigidly interconnecting said sides;
- and front and back wheels operatively connected to the frame at each side to provide a rolling support for the frame;
- a rigid horizontal platform extending between said sides at the bottom of the frame;
- a seat jack mounted on said platform and extending upward therefrom between said sides of the frame, said jack having an operating member movable between a retracted, lowered position and an extended, raised position; a horizontal seat operatively connected to said operating member of the jack to be vertically raised and lowered while being maintained horizontal;
- said chair frame being open at the back between said sides above said platform for the entry and withdrawal of the user to and from the seat at the back of the chair frame;
- and mechanical actuator means for the jack operatively coupled at the lower end thereof to said operating member of the jack to selectively control the latter's operation for raising and lowering the seat, said actuator means extending up from said jack and terminating at the upper end thereof in handle means located for operation by the occupant of said seat;
- the improvement wherein said mechanical actuator means comprises:
- a first elongated rod-like member operable in one direction for operating said jack to raise the seat, a first handle on the upper end of said first rod-like member;
- and a second elongated rod-like member operable in one direction for actuating said jack to lower the seat, and a second handle on the upper end of said second rod-like member.
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| Background / Summary: |
Show background / summary
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| Drawing Descriptions: |
Show drawing descriptions
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| Description: |
Show description
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| Forward References: |
Show 10 U.S. patent(s) that reference this one
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