Seat with biomechanical articulation

Details Seat with biomechanical articulation Seat with biomechanical articulation

1994-06-14

1997-01-28

Cranmer, Laurie K.

Chairs and seats

Bottom or back with means to alter contour

Having a plurality of adjacent relatively adjustable sections

2972841, 29728411, 2973011, A47C 3025

Patent

active

055972039

ABSTRACT:
A seat with biomechanical articulation for a person seated in the seat includes a seat portion extending generally horizontally, a back portion extending generally upwardly from the seat portion, a frame interconnecting the seat portion and the back portion, the seat portion having a seat member pivotally connected to the frame, and a structure for supporting a pelvis of a person seated on the seat member and moving in response to movement of the seat member by the person seated in the seat. The frame may be replaced by the frame of an existing seat such as a wheelchair frame.

REFERENCES:
patent: 3121592 (1962-02-01), Anderson
patent: 3833257 (1974-09-01), Dove
patent: 3877750 (1975-04-01), Scholpp
patent: 3989297 (1976-11-01), Kerstholt
patent: 4017118 (1977-04-01), Cawley
patent: 4126355 (1978-11-01), Rosenheck
patent: 4275714 (1981-06-01), Lewis
patent: 4505513 (1985-03-01), Barley
patent: 4585272 (1986-04-01), Ballarini
patent: 4832401 (1989-05-01), Brooks
patent: 4944554 (1990-07-01), Gross et al.
patent: 4966413 (1990-10-01), Palarski
patent: 5062676 (1991-11-01), Mars
patent: 5288130 (1994-02-01), Foster

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