Headrest device

Details Headrest device Headrest device

1996-08-13

1998-06-16

Cuomo, Peter M.

Chairs and seats

Headrest

Angularly movable about horizontal axis

297399, 464 37, A47C 748

Patent

active

057659184

ABSTRACT:
A headrest device includes a stay fixed to a seat back, a headrest body supported on the stay so as to be able to rotate around the stay, and a resistance adding member for increasing the resistance to the rotation of the headrest body relative to the stay, the member includes a plurality of projections provided on the stay, and a plurality of concave portions provided on the headrest body so as to be able to be elastically deformed whereby each of the projections is in frictional engagement with each of the concave portions.

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patent: 4674797 (1987-06-01), Tateyama
patent: 4878880 (1989-11-01), Williams
patent: 4991907 (1991-02-01), Tanaka
patent: 5150851 (1992-09-01), Manusch et al.
patent: 5290091 (1994-03-01), Dellanno et al.
patent: 5328244 (1994-07-01), Ishihara et al.
patent: 5695699 (1997-12-01), Mertens

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