Motion control device for rotary dampers

Details Motion control device for rotary dampers Motion control device for rotary dampers

1996-09-09

1998-11-24

Poon, Peter M.

Brakes

Wheel

One-way brakes

16 64, F16D 6300

Patent

active

058395482

ABSTRACT:
A one-way damping system is provided for dampening the movement of a closure member when the closure member is moved in a first direction toward its opened position such that the closure member is opened at a controlled rate of speed, and for permitting the closure member to be moved in a second direction toward its closed position such that the closure member is able to be closed at an undampened or unrestricted rate of speed. The closure member includes a gear rack integrally molded therewith, and a rotary damper gear is movable into engagement with and out of engagement from the gear rack in order to provide the dampened and undampened movement modes. An idler gear or a pair of control arms are operatively associated with the rotary damper gear so as to ensure proper engagement and disengagement of the rotary damper gear with respect to the gear rack.

REFERENCES:
patent: 396188 (1889-01-01), Anderson
patent: 1526395 (1925-02-01), Swanson
patent: 1595723 (1926-08-01), Norton
patent: 2664183 (1953-12-01), Payne
patent: 4691811 (1987-09-01), Arakawa et al.
patent: 4872239 (1989-10-01), Ferguson et al.

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