Headrest device

Chairs and seats – Headrest – Adjustable rectilinearly vertically

Reexamination Certificate

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Details

C297S061000, C297S391000

Reexamination Certificate

active

07066545

ABSTRACT:
A headrest device includes a headrest provided over a seatback of a seat, a sliding means for slidably adjusting the seat in back and forth directions, a position-adjusting means for adjusting position of the headrest, and a connecting mechanism connecting the sliding means and the position-adjusting means. The connecting mechanism operates the position-adjusting means in conjunction with operation of the sliding means. The connecting mechanism moves in a first direction when the sliding means moves forward, and the connecting mechanism moves in a second direction when the sliding means moves backward.

REFERENCES:
patent: 4285545 (1981-08-01), Protze
patent: 5171062 (1992-12-01), Courtois
patent: 5346283 (1994-09-01), Steininger et al.
patent: 5669666 (1997-09-01), Lee
patent: 5918940 (1999-07-01), Wakamatsu et al.
patent: 5927804 (1999-07-01), Cuevas
patent: 5975637 (1999-11-01), Geuss et al.
patent: 6540299 (2003-04-01), Gosk et al.
patent: 3843616 (1990-06-01), None
patent: H7(1995)-34761 (1995-08-01), None

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