Chairs and seats – Movable back – Tiltable
Patent
1998-12-01
2000-07-25
Cuomo, Peter M.
Chairs and seats
Movable back
Tiltable
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.
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Kojima Yasuhiro
Yamada Yukifumi
Yoshida Tadasu
Aisin Seiki Kabushiki Kaisha
Cuomo Peter M.
White Rodney B.
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