Chair type furniture

Details Chair type furniture Chair type furniture

1981-09-22

1984-06-05

McCall, James T.

Chairs and seats

Movable bottom

Interconnected with back for relative concurrent movement

297317, 297341, A47C 102

Patent

active

044524862

ABSTRACT:
The invention relates to a chair type furniture characterized by a frame on which a seat area may be guided forward and backward in about horizontal direction, furtheron by a tiltable back rest the lower end of which is articulated to the seat area the middle range of which seat area is articulated to the frame, which back rest is guidedly displaceable together with the seat area and at the same time is tilted around the joint on the frame thus causing a spring element to pull the seat area and the back rest into a neutral position, in which the seat area is in its rear position and the back rest is in its most upright position, wherein in order to provide the swivel connection between the seat area and the lower end of the back rest a first bar is tiltably articulated with its lower end to the frame and with the upper end is also tiltably articulated to the back rest, and wherein a second bar is articulated with one end to the first bar and with the other to the seat area.

REFERENCES:
patent: 677234 (1901-06-01), Kelly
patent: 1928857 (1933-10-01), Kelly
patent: 2374848 (1945-05-01), Wohlk
patent: 2423816 (1947-07-01), Renkes

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