Chairs and seats – Back movement resiliently opposed in operating position – Back adjusts independent of seat
Patent
1992-11-06
1994-08-02
Brown, Peter R.
Chairs and seats
Back movement resiliently opposed in operating position
Back adjusts independent of seat
297302, 297304, A47C 1024
Patent
active
053333683
ABSTRACT:
An office-type chair having a base, a cantilevered pedestal assembly projecting upwardly from substantially a center of the base, and a seat/back arrangement connected to an upper end of the pedestal assembly. The seat/back arrangement includes a generally horizontally enlarged seat assembly and a back assembly projecting upwardly from and adjacent a rear edge of the seat assembly. The seat/back arrangement also includes a rear tilt control mechanism for normally permitting the seat/back arrangement to be vertically tilted rearwardly against the urging of a resilient biasing element away from a normal upright position into a rearwardly tilted position. A front tilt mechanism cooperates between the pedestal assembly and the seat assembly for permitting the entire seat/back arrangement to be vertically tilted forwardly away from the normal upright position so that the seat assembly declines in a forward direction. The forward tilt mechanism is independent of the rear tilt control.
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patent: 4198094 (1980-04-01), Bjerknes et al.
patent: 4830431 (1989-05-01), Inoue
patent: 4852943 (1989-08-01), Roper
patent: 4892354 (1990-01-01), Estkowski
patent: 5009466 (1991-04-01), Perry
patent: 5102196 (1992-04-01), Kaneda et al.
Kriener Michael
Roslund, Jr. Richard N.
Uhlenbrock Johannes
Wilkerson Larry A.
Brown Peter R.
Haworth Inc.
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