Chairs and seats – Headrest
Patent
1979-01-23
1981-07-14
Zugel, Francis K.
Chairs and seats
Headrest
297216, A47C 738
Patent
active
042782910
ABSTRACT:
An adjustable headrest is disclosed in which a slider forming a headrest is slidably inserted into a hollow open ended casing or a space formed between left and right holding walls, or a sliding casing formed as a headrest is slidably fitted to the outside of a support fixed at the back of the seat. Disposed at suitable places between the casing and the slider are a sliding guide mechanism for the slider and engagement means for fixing the slider at the desired position in order to effect adjustment. A sliding guide mechanism permits the headrest to readily move telescopingly out of the casing. In particular, when the device of the present invention is used in conjunction with the headrest of a car seat, such headrest may be positioned so as to be generally always in contact with the head of a driver. Furthermore, in at least one embodiment there is a provision of springs for normally spring-loading the slider to the forward direction which permits the shock produced when a car is struck from behind, to be absorbed by such springs, thus increasing safety and minimizing injury.
REFERENCES:
patent: 1869765 (1932-08-01), Mitchell
patent: 1977159 (1934-10-01), Tursi
patent: 2215758 (1940-09-01), Knight et al.
patent: 2514798 (1950-07-01), Rowe
patent: 2973029 (1961-02-01), Schlosstein
patent: 3310342 (1967-03-01), Drelichowski
patent: 3637253 (1972-01-01), Maule et al.
patent: 3802737 (1974-04-01), Mertens
Schellin Eric P.
Zugel Francis K.
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