Lockable tilting chair with frictional tilt resistance

Details Lockable tilting chair with frictional tilt resistance Lockable tilting chair with frictional tilt resistance

1974-10-15

1976-02-03

Zugel, Francis K.

Chairs and seats

Movable bottom

Tiltable

248371, A47C 1027

Patent

active

039360946

ABSTRACT:
A tiltable chair has a frictional resistance to tilting, and locking means releasably securing the erect position of the seat. Resistance to tilt preferably decreases with increased tilt angle, and is generated by the resilient engagement of bearing members acting against opposite surfaces for lateral neutralization of forces. The locking means is released in response to pressure on the chair seat.

REFERENCES:
patent: 93978 (1869-08-01), Evans
patent: 596079 (1897-12-01), Morse
patent: 1117979 (1914-11-01), Cromer
patent: 2619153 (1952-11-01), Van Osselen
patent: 2942650 (1960-06-01), Hoffman
patent: 3044827 (1962-07-01), Belisle
patent: 3135549 (1964-06-01), Larsson

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