Chairs and seats – Bottom or back with means to alter contour
Patent
1977-09-06
1979-05-08
Zugel, Francis K.
Chairs and seats
Bottom or back with means to alter contour
297460, A47C 746
Patent
active
041532937
ABSTRACT:
A back rest constructed to be supported at its foot on a seat structure and to rest against the back of the seat structure comprising a rigid frame, a normally flat, flexible back support mounted on the frame with the lower end thereof stationary and the upper end movable and a screw rotatably mounted to the frame at the upper end operable to move the movable end of the flexible back support relative to the stationary end to bow the back support convexly forwardly with respect to the frame. Alternatively, an eccentric supported at the back side of a flexible back support in engagement therewith is used to effect bowing of the flexible back support. A bottom support pivotally connected at one end to the foot of the frame so as to extend forwardly from the foot across the seat provides for holding the foot of the frame against the back of the seat structure and a seat cover.
REFERENCES:
patent: 1095890 (1914-05-01), Knauer
patent: 1113833 (1914-10-01), Ruff
patent: 1264265 (1918-04-01), Brusius
patent: 2813577 (1957-11-01), Weekly
patent: 2843195 (1958-07-01), Barvaeus
patent: 2942651 (1960-06-01), Binding
patent: 3241879 (1966-03-01), Castello
Nepsco, Inc.
Zugel Francis K.
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