VARIABLE BACK ADJUSTOR FOR CHAIRS

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 t...

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Bibliographic Details
Main Authors ROOSSIEN, CHARLES PETER, HIEMSTRA, BRUCE BATES, CHAMBERS, BRIAN ALAN
Format Patent
LanguageEnglish
Published 17.10.1984
Subjects
BEDS
CHAIRS
COFFEE MILLS
DOMESTIC ARTICLES OR APPLIANCES
FURNITURE
HUMAN NECESSITIES
SOFAS
SPICE MILLS
SUCTION CLEANERS IN GENERAL
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Summary: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 engagement with the gear wheel to selectively lock the chair back in a wide variety of different angular positions.
Bibliography:Application Number: EP19830302571