Seat reclining apparatus

Chairs and seats – Movable back – Tiltable

Patent

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Details

297366, B60N 210

Patent

active

060928743

ABSTRACT:
A supporting structure between an upper arm and a lower arm is provided in a simple and compact manner. There comprises a recess portion formed in one of the lower arm and the upper arm in a partial pressing manner and provided with a bearing portion and an internal tooth portion constituting a ratchet in an inner peripheral surface, and a convex portion formed in the other of the lower arm and the upper arm in a partial pressing manner, arranged within the recess portion so that an outer peripheral surface is slidably brought into contact with a bearing portion and forming a guide groove slidably supporting the ball.

REFERENCES:
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patent: 4082352 (1978-04-01), Bales et al.
patent: 4103970 (1978-08-01), Homier
patent: 4348050 (1982-09-01), Letournoux et al.
patent: 4659146 (1987-04-01), Janiaud
patent: 4770464 (1988-09-01), Pipon et al.
patent: 5161856 (1992-11-01), Nishino
patent: 5216936 (1993-06-01), Baloche
patent: 5590931 (1997-01-01), Fourrey et al.
patent: 5632525 (1997-05-01), Uramichi
patent: 5664837 (1997-09-01), Takagi
patent: 5681086 (1997-10-01), Baloche
patent: 5692589 (1997-12-01), Beguin

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