Chairs and seats – Movable back – Tiltable
Patent
1995-08-08
1997-05-27
Brown, Peter R.
Chairs and seats
Movable back
Tiltable
29737812, B60N 220
Patent
active
056325258
ABSTRACT:
A reclining device for a vehicle seat is composed of first and second arm members connected with each other for relative rotation about a hinge center axis line. The second arm member is formed with a semi-circular internal tooth portion concentrical with the hinge center axis line. A slide pawl is slidably supported on the first arm member to be moved in a radial direction with respect to the hinge center axis line and has a semi-circular external tooth portion engageable with the internal tooth portion of second arm member. A release shaft is rotatably supported on the first arm member coaxially with the hinge center axis line and is loaded by a spring in a rotational direction. A release arm is integrally formed with one end of the release shaft to rotate the release shaft against the load of the spring. An interlocking mechanism is provided between the release shaft and the slide pawl to engage the external tooth portion of the slide pawl with the internal tooth portion of the second arm member under the load of the spring. The first arm member is formed with an annular protruded portion while the second arm member is formed with an annular recessed portion which is coupled with the annular protruded portion of the first arm member for relative rotation about the hinge center axis line. The slide pawl and the interlocking mechanisms are disposed between the first and second arm members radially inside the internal tooth portion of the second arm member.
REFERENCES:
patent: 3008765 (1961-11-01), Tischler et al.
patent: 4103970 (1978-08-01), Homier
patent: 4523786 (1985-06-01), Letournoux et al.
patent: 4770464 (1988-09-01), Pipon et al.
patent: 4874205 (1989-10-01), Arefinejad et al.
Araco Kabushiki Kaisha
Brown Peter R.
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