Seat reclining apparatus

Details Seat reclining apparatus Seat reclining apparatus

1993-02-25

1994-08-02

Dorner, Kenneth J.

Chairs and seats

Movable back

Tiltable

29735412, B60N 202

Patent

active

053339320

ABSTRACT:
A seat reclining apparatus is comprised of a pair of lower arms for supporting a seat-cushion, a lower plate having a first gear, a rivet for securing the lower plate to each of the lower arms after being passed through an aperture of the lower plate, a pair of upper arms for supporting a seat-back, an upper plate secured to each of the lower arms and having a second gear which is in meshing engagement with the first gear, and a shaft having a centric portion and an eccentric portion for rotatably mounting thereon the lower plate and the upper plate, respectively, wherein the rivet is formed into a stepped configuration in such a manner that the rivet has a first portion larger than the aperture in diameter and located between the lower arm and the lower plate, and a second portion larger than the first portion in diameter and located between the first portion and the lower arm, and an outer periphery of the upper plate is held between the second portion and the lower plate.

REFERENCES:
patent: 4332418 (1982-06-01), Strowik
patent: 4629251 (1986-12-01), Tezuka

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