Adjustable backrest for cycle type seat

Details Adjustable backrest for cycle type seat Adjustable backrest for cycle type seat

1981-08-19

1984-10-09

Lyddane, William E.

Chairs and seats

Movable back

297355, 297357, 297358, 297DIG9, A47C 1024

Patent

active

044757700

ABSTRACT:
A backrest for use with devices having cycle-type seats mounted on support posts, such as exercise machines, bicycles, tricycles, stools and the like, in which the back support is pivotally attached to a support frame and the support frame is selectably adjustable in height and in angle with respect to the seat of said machine. The support frame is adjustably secured to a yoke which in turn is clamped to the support post of the seat.

REFERENCES:
patent: 620688 (1899-03-01), Wood
patent: 636222 (1899-10-01), Killen
patent: 1652165 (1927-12-01), Craven
patent: 1922418 (1933-08-01), Cohant
patent: 2158453 (1939-05-01), Wood
patent: 3235308 (1966-02-01), Conner
patent: 3698762 (1972-10-01), Gorman

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