Headrest height adjustment device

A headrest height adjustment device includes a base member (22) fixed on a seatback (10a) a seat body, a pulley (23) rotatably supported by the base member, the pulley being rotatable in a first direction by unwinding a first end of a rope member wound around the pulley and winding a second end of t...

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Bibliographic Details
Main Authors MORI, MASATOSHI, HATTORI, TAKEMI
Format Patent
LanguageEnglish
French
German
Published 07.06.2006
Subjects
BEDS
CHAIRS
COFFEE MILLS
DOMESTIC ARTICLES OR APPLIANCES
FURNITURE
HUMAN NECESSITIES
PERFORMING OPERATIONS
SEATS SPECIALLY ADAPTED FOR VEHICLES
SOFAS
SPICE MILLS
SUCTION CLEANERS IN GENERAL
TRANSPORTING
VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDEDFOR
VEHICLES IN GENERAL
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Summary:A headrest height adjustment device includes a base member (22) fixed on a seatback (10a) a seat body, a pulley (23) rotatably supported by the base member, the pulley being rotatable in a first direction by unwinding a first end of a rope member wound around the pulley and winding a second end of the rope member in conjunction with sliding movement of the seat body, and the pulley being rotatable in a second direction by winding the first end of a rope member and unwinding the second end of the rope member in conjunction with sliding movement, a rotational arm (27) rotatably supported by the base member and rotated by the pulley by a rotation transmission member (24, 28), and a conversion member (30) engaged with the rotational arm for operating a headrest (15) in an upward or downward direction by converting rotational movement of the rotational arm into linear movement.
Bibliography:Application Number: EP20050007941