Lever arm with tactile contour

Details Lever arm with tactile contour Lever arm with tactile contour

2007-03-13

2007-03-13

White, Rodney B. (Department: 3636)

Chairs and seats

Chair hardware or attachment

C297S463200, C297S217300, C297S217400, C297S217500, C040S320000

Reexamination Certificate

active

11315489

ABSTRACT:
A plurality of levers each having one end adapted for attachment below a chair seat for controlling separate movements of a chair, each said lever having another end presenting a substantially planar surface terminating at a periphery, said periphery defining a geometric shape different from one another so as to tactually distinguish said levers and the associated movements of said chair controlled by said levers.

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patent: 2004/0007907 (2004-01-01), DiRe
patent: 2005/0242635 (2005-11-01), Cassaday

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