Headrest device
First Claim
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1. A headrest device of a cantilever type, which is fixedly mounted to a frame in a seat back of a seat, with a headrest body being supported on a top of said seat back in a cantilever way, said headrest comprising:
- a generally L-shaped stay formed to support said headrest body;
a stay rotation-preventive means for preventing said stay against rotation, said means being fixedly provided at said stay in such a manner as to extend laterally of said stay in a direction transversing said seat back;
a guide means for supporting and guiding said stay and stay rotation-preventive means in a vertically slidable manner, wherein said guide means has provided at its one side, a guide rail for slidably receiving and guiding said stay, and further extends from said guide rail to a direction transversing said seat back;
said guide means being fixed to said frame in said seat back;
said stay rotation-preventive means being supported slidably by said guide means at a location distant from said guide rail;
an operation means for causing vertical sliding movement of said stay, anda drive means for actuating said operation means for effecting said vertical movement of said stay.
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Abstract
A headrest device having a cantilevert-type headrest body, wherein the headrest body is supported by one stay in a cantilever way, which enables height adjustment of teh headrest body and prevents the headrest body against rotation by virtue of a rotation preventive means provided on the stay.
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Citations
7 Claims
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1. A headrest device of a cantilever type, which is fixedly mounted to a frame in a seat back of a seat, with a headrest body being supported on a top of said seat back in a cantilever way, said headrest comprising:
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a generally L-shaped stay formed to support said headrest body; a stay rotation-preventive means for preventing said stay against rotation, said means being fixedly provided at said stay in such a manner as to extend laterally of said stay in a direction transversing said seat back; a guide means for supporting and guiding said stay and stay rotation-preventive means in a vertically slidable manner, wherein said guide means has provided at its one side, a guide rail for slidably receiving and guiding said stay, and further extends from said guide rail to a direction transversing said seat back; said guide means being fixed to said frame in said seat back; said stay rotation-preventive means being supported slidably by said guide means at a location distant from said guide rail; an operation means for causing vertical sliding movement of said stay, and a drive means for actuating said operation means for effecting said vertical movement of said stay. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification