Chair control

Details Chair control Chair control

A - Human Necessities

47

C

A47C 7/02 (2006.01) A47C 3/026 (2006.01) H02K 9/24 (2006.01)

Patent

CA 2125629

Disclosed is knee tilt chair control mechanism for a pedestal base chair having a chair control housing mounted on the pedestal chair base and pivotally supporting a chair seat support member having a cam surface formed along a portion of the bottom surface thereof. A torsion spring is secured to the chair control housing and is adapted to resist the pivotal movement of the chair seat support member. The torsion spring has a lever arm adapted to move along the cam surface during the pivotal movement of the chair seat support member and thereby make a more effective use of the torsion spring and a chair more comfortable to the user.

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