Height-adjustable folding walking chair

Details Height-adjustable folding walking chair Height-adjustable folding walking chair

1993-06-08

1994-10-18

Cranmer, Laurie K.

Chairs and seats

With occupant-propelled walker or skater frame

29734418, 482 68, A47D 1304

Patent

active

053561961

ABSTRACT:
The present disclosure relates to a walking chair, more particularly to a walking chair including two sets of movable joints and a set of extensible support. The walking chair of the present invention mainly comprises an H-shaped support frame in which two parallel sliding columns are movably inserted, a lower protective ring which is provided with universal casters and is attached at its rear portion to the H-shaped support frame with a movable joint which allows the lower protective ring to be folded down toward the H-shaped support frame, and an upper protective ring which is attached at its rear portion to top ends of the two sliding columns with a movable joint which allows the upper protective ring to be folded upward toward the H-shaped support frame. The upper protective ring may have different seat accessories attached thereto to meet different requirements or conditions. The sliding columns can be adjusted to any desired height and then be locked within the H-shaped support frame and the whole walking chair can be folded to save space occupied by it when it is not in use.

REFERENCES:
patent: 4211426 (1980-07-01), Motloch
patent: 4770410 (1988-09-01), Brown
patent: 4890853 (1990-01-01), Olson

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