Chairs and seats – Movable bottom – Movable independently of back
Patent
1989-09-13
1990-06-12
Aschenbrenner, Peter A.
Chairs and seats
Movable bottom
Movable independently of back
297195, 297310, 248171, B62J 100
Patent
active
049327194
ABSTRACT:
An inclinable stool for supporting the weight of the body and permitting a variety of inclined positions comprises a tripod base, supporting a vertically extending spring hinge assembly, a support column mounted on the spring hinge assembly and inclinable relative thereto, and a seat assembly disposed on the support column. A pair of spaced stabilizing members slidably and pivotally mounted to the support column rotate with the seat assembly and support column, thereby supporting the seated user against backwardly directed inclinations while allowing forward and lateral inclinations, regardless of the rotated position of the seat.
REFERENCES:
patent: 3181828 (1965-05-01), Caamer
patent: 4183579 (1980-01-01), Gonzalez y Rojas
patent: 4366981 (1983-01-01), Ziegler et al.
patent: 4381690 (1983-05-01), Kimble
patent: 4607882 (1986-08-01), Opsuik
patent: 4691892 (1987-09-01), Grewe et al.
patent: 4865382 (1989-09-01), Marshall
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