Foldable wheel chair

Details Foldable wheel chair Foldable wheel chair

1980-02-04

1981-07-28

Mitchell, David M.

Land vehicles

Wheeled

Extensible

280650, 297 48, 297DIG4, B62B 706

Patent

active

042807166

ABSTRACT:
In a foldable wheel chair supporting frames for a back, a seat, a pair of back wheels and a pair of front wheels are mutually pivotally connected by means of pivot assemblies positioned at the seat-back junction and comprising a blocking mechanism which is deactuated for releasing the pivotal connection between the supporting frames by turning the seat in a direction of a predetermined reduction of the angular separation between the seat and the back. Each pivot assembly may comprise a pivot pin secured to one supporting frame, and pivot cams secured to the other supporting frames together with an interlocking cam positioned between two of said pivot cams.

REFERENCES:
patent: 2301640 (1942-11-01), Peltier
patent: 2685325 (1954-08-01), Webster
patent: 3450432 (1969-06-01), Minsker

Affiliated with

Also associated with

Rating

Foldable wheel chair does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Foldable wheel chair, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Foldable wheel chair will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-546847