Adjustable chair rest member

Details Adjustable chair rest member Adjustable chair rest member

1976-03-12

1977-08-23

Frazier, Roy D.

Chairs and seats

Movable back

297361, A47C 100

Patent

active

040435946

ABSTRACT:
A chair rest member carried by the upper reach of a vertically extending back plate includes means providing for both vertical and angular displacement of the rest member relative the back plate. A screw carried by the back plate engages a captive nut disposed within a vertical slot within the frame of the rest member to allow vertical adjustment therebetween while angular or tilt adustment is achieved by means of a screw wheel carried by the lower portion of the rest member enaging the juxtaposed face of the back plate and which, when actuated, tilts the rest member about a bearing surface above the captive nut. A curved washer attached to the captive nut permits retightening of the captive nut screw to fixedly retain the rest member in its alternate positions.

REFERENCES:
patent: 1437875 (1922-12-01), Travers
patent: 1984549 (1934-12-01), Rowland
patent: 2139205 (1938-12-01), Powell
patent: 2547455 (1951-04-01), Freeman
patent: 2563951 (1951-08-01), Mondy
patent: 3106423 (1963-10-01), Schwarz
patent: 3526430 (1970-09-01), Eldon

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