A - Human Necessities – 47 – C
Patent
A - Human Necessities
47
C
A47C 7/02 (2006.01) A47C 3/00 (2006.01) A47C 3/20 (2006.01) A47C 3/30 (2006.01) A47C 3/40 (2006.01) A47C 5/02 (2006.01) A47C 7/00 (2006.01)
Patent
CA 2319870
A tiltable chair including a base member (44), a seat (32), a back (34), and a linkage assembly (40) adapted to allow the seat and back to tilt downwardly and rearwardly and to allow pivotal movement of the seat about a pivot axis (52) in substantial alignment with the hip joints of a user. Other aspects of the invention are to provide a vertically adjustable column (42) for supporting the seat of the chair, a support assembly including a frame member (33) having a central opening therethrough and a receptacle formed around the perimeter thereof, a carrier member adapted to fit inside the receptacle, and a membrane of elastic material (210) covering the central opening, and a pair of armrests (36) adapted to be mounted to the chair to allow pivotal movement thereof.
Bruner Jeffrey W.
Cammenga Eric
Chadwick Donald
Coffield Timothy P.
Keller Carolyn
Cassan Maclean
Herman Miller Inc.
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