Chairs and seats – Headrest – Angularly movable about horizontal axis
Patent
1985-01-24
1987-07-28
Aschenbrenner, Peter A.
Chairs and seats
Headrest
Angularly movable about horizontal axis
A47C 736, B60N 100
Patent
active
046828176
ABSTRACT:
A head restraint for use on the backrest of a seat for an automotive vehicle has a post that fits into the backrest and a bracket attached firmly to the upper end of the post. The bracket at its ends carries trunnions, each of which is encircled by a split bushing having radially directed lugs that are separated at the split in the bushing. The bushings, which are otherwise generally cylindrical, fit into arcuate seats on end members, and the end members are in turn attached to and rigidify a metal can or core that forms part of a cushion that is located behind the head of the occupant of the seat. The cushion pivots forwardly and rearwardly on the trunnions between a generally upright position, where is serves merely as a head restraint, and a forwardly inclined position, where it may be used as a head rest. Each end member also has a clamp provided with clamping elements which bear against the sides of the lugs for the bushing in that end member. Screws, the heads of which are accessible, draw the clamping elements together and enable the frictional resistance between the bushings and their respective trunnions to be varied.
REFERENCES:
patent: 3300249 (1967-01-01), Schneider
patent: 3680180 (1972-08-01), Gould et al.
patent: 3692062 (1972-09-01), Dunmire
patent: 3737959 (1973-06-01), Smith et al.
patent: 3825301 (1974-07-01), Schwarz
patent: 4191422 (1980-03-01), Inasawa et al.
patent: 4222608 (1980-09-01), Maeda
patent: 4265482 (1981-05-01), Nishimura et al.
patent: 4304439 (1981-12-01), Terada et al.
Aschenbrenner Peter A.
Binder Mark W.
Marquette Tool & Die Company
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