Headrest apparatus

Details Headrest apparatus Headrest apparatus

1988-02-26

1990-05-08

Cranmer, Laurie K.

Chairs and seats

Headrest

Adjustable rectilinearly vertically

297 61, 297408, A47C 110

Patent

active

049232509

ABSTRACT:
A headrest apparatus for vehicles comprises a pair of guide rails connected to a seatback frame, a pair of stays connected to the headrest, a pair of shoes moving along the guide rails, a rod connected at its ends to the shoes, means for moving the rod in an upward and downward direction, a cam member attached at an upper portion of each guide rail for urging the shoes in a horizontal direction and the headrest in an inclined position, and a spring member positioned on the shoes and biasing the shoes in the opposite direction of the direction in which the headrest is urged in the inclined position.

REFERENCES:
patent: 2989341 (1961-06-01), Schliephache
patent: 4711494 (1987-12-01), Duvenkamp
patent: 4765683 (1988-08-01), Hattori

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