Rotary damper

Details Rotary damper Rotary damper

2007-11-20

2007-11-20

Nguyen, Xuan Lan (Department: 3683)

Brakes

Internal-resistance motion retarder

Using a rotary-type fluid damper

C188S130000, C188S083000

Reexamination Certificate

active

10396819

ABSTRACT:
A rotary damper includes: a damper body mounted on a rotary shaft; a cam mechanism provided in the damper body to set a rotation pattern of the rotary shaft; a restoring force-accumulating member that accumulates a restoring force in accordance with rotation of the rotary shaft; and a rotation control member for controlling the rotation of the rotary shaft. The damper body is formed by setting a bottomed, cylindrical outer case having an opening at one end thereof and a bottomed, cylindrical inner case having an opening at one end thereof, face-to-face with each other and fitting the two with each other rotatably. The rotation control member is interposed between an inner periphery surface of the outer case and an outer periphery surface of the inner case on an outer periphery side of the damper body.

REFERENCES:
patent: 4694530 (1987-09-01), Foggini
patent: 4893522 (1990-01-01), Arakawa
patent: 5001809 (1991-03-01), Kim et al.
patent: 44 13 325 (1995-10-01), None
patent: 0 422 882 (1991-04-01), None
patent: 2 288 450 (1995-10-01), None
patent: 2544628 (1996-07-01), None
Patent Abstracts of Japan, vol. 013, No. 189, May 8, 1989, JP 01-015547, Jan. 19, 1989.

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