A - Human Necessities – 47 – C
Patent
A - Human Necessities
47
C
155/48, 155/50
A47C 3/00 (2006.01) A47C 7/40 (2006.01)
Patent
CA 1087973
VERTICALLY ADJUSTABLE RESILIENTLY PIVOTED BACK SUPPORT FOR A CHAIR ABSTRACT OF THE DISCLOSURE An adjustable seat back mechanism for a chair of the type such as a secretarial posture chair which includes a vertical support to which a seat back is slidably. mounted. The seat back mechanism includes a channel shaped support plate secured to the seat back of the chair, a housing and a latching arrangement carried by the housing for permitting stepwise vertical adjustment of the housing and support plate relative to the vertical support post of the chair. A pivotal connection between a housing and the support plate is accomplished by a resilient arrangement. In one embodiment, the resilient arrangement takes the form of a pair of rubber-like blocks. In an alternative embodiment, the resilient arrangement takes the form of a leaf spring and plate disposed between the housing and support plate. The spring plate, support plate and housing are interconnected by a pin.
254969
Borden Ladner Gervais Llp
Steelcase Inc.
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