Variable back adjustor for chairs

Details Variable back adjustor for chairs Variable back adjustor for chairs

A - Human Necessities

47

C

155/51.2

A47C 7/40 (2006.01) A47C 1/024 (2006.01)

Patent

CA 1209454

VARIABLE BACK ADJUSTOR FOR CHAIRS ABSTRACT OF THE DISCLOSURE An adjustor for chairs with tilting backs and the like, comprises a threaded spindle connected with the chair back, and a gear wheel threadedly mounted on the spindle. The gear wheel is retained in a housing attached to a relatively stationary portion of the chair, such that when the chair back is tilted, the spindle rotates the gear wheel in the housing. A pawl is shifted into and out of engage- ment with the gear wheel to selectively lock the chair back in a wide variety of different angular positions. -22-

427174

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