 |
|
|
|
|
|
 Title: |
US3573877:
CURB-CLIMBING ATTACHMENT FOR WHEEL CHAIRS
|
| Country: |
US United States of America
|
| |
| Inventor: |
Locke, Burton H.; Reseda, CA 91335
|
| Assignee: |
None
|
| Published / Filed: |
1971-04-06
/ 1969-05-19
|
| Application Number: |
US1969000825913
|
| IPC Code: |
Advanced:
A61G 5/06;
A61G 5/10;
Core:
A61G 5/00;
IPC-7:
B62B 5/02;
|
| ECLA Code: |
A61G5/06D; A61G5/06; K61G5/10Z5;
|
| U.S. Class: |
Current:
280/005.32;
280/005.2;
Original:
280/005.32;
280/005.2;
|
| Field of Search: |
280/5.2,5.28,5.3,5.32,(Stair Climber),(Chairs (Digest))
|
| Priority Number: |
| 1969-05-19 |
US1969000825913 |
|
| Abstract: |
Curb-Climbing Structure added to wheel chairs with lifting means to be actuated by the occupant of the chair to raise the rear of the chair to a curb level after the front portion of the chair is placed on the curb.
|
| Primary / Asst. Examiners: |
Friaglia, Leo;
|
| Family: |
None
|
First Claim:
Show all 2 claims |
I claim:
1. In combination with a conventional wheelchair an attachment to accomplish a curb-climbing and descending function comprising a clamp attached to each side frame of the chair and near the back thereof and a lever pivotally attached to each clamp, to swing fore and aft relative to the chair the forward end of each lever, including a handle disposed for manipulation by the occupant of the chair means attached to each side frame of the chair for use in holding said levers at various operational positions, an upwardly extending plunger pivotally attached to the other end of each lever and disposed to contact the lever surface when the levers are manipulated to raise or lower the rear portion of the chair, which ever the case may warrant, when the front portion of the chair is upon a curb or other elevated surface, an apertured guide means for slidably engaging each said plunger attached to the lower horizontal bar of each side frame of the chair, and a wheel rotatively mounted at the rear of each guide and disposed to check the backward tipping of the chair as required to place the front portion of the chair upon a curb or other elevated surface.
|
| Background / Summary: |
Show background / summary
|
| Drawing Descriptions: |
Show drawing descriptions
|
| Description: |
Show description
|
| Forward References: |
Show 29 U.S. patent(s) that reference this one
|
