Supporting device of a head rest for a vehicle seat

Details Supporting device of a head rest for a vehicle seat Supporting device of a head rest for a vehicle seat

1980-11-19

1983-10-25

McCall, James T.

Chairs and seats

Headrest

Adjustable rectilinearly vertically

248412, A47C 102

Patent

active

044114702

ABSTRACT:
A supporting device (8) of a vehicle seat head rest (4) includes a retainer (6, 40) provided with a spring (10, 21, 44) which surrounds a supporting rod (5) of the head rest and resiliently engages therewith to support the head rest (4) at a desired height which can be adjusted in a stepless manner. The frictional retaining force of the spring can be released by an operating member (11, 20, 40) when the height of the head rest is to be adjusted. A cylindrical guide member (7, 41) serves to guide the adjusting movement of the supporting rod (5).

REFERENCES:
patent: 396828 (1889-01-01), Moorman
patent: 398893 (1889-03-01), Gould
patent: 1781600 (1930-03-01), Quisberg
patent: 2170679 (1939-08-01), Dickerson
patent: 2711209 (1955-06-01), Riabovol
patent: 2849249 (1958-08-01), Fridolph
patent: 3578384 (1971-05-01), Leichtl
patent: 4131167 (1978-12-01), Richey

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