Brakes – Internal-resistance motion retarder – Using a rotary-type fluid damper
Patent
1995-12-04
1997-08-26
Ballato, Josie
Brakes
Internal-resistance motion retarder
Using a rotary-type fluid damper
267215, 192 46, F16F 704
Patent
active
056602545
ABSTRACT:
A dry rotary damper includes a housing defining an internal chamber, the housing having a closed base portion, a top portion with a through opening, and a rotor-engaging internal surface. A rotor has a shaft rotatably passing through the opening and an engagement surface in sliding frictional engagement with the rotor-engaging internal surface of the housing. A deflection member is mounted within the chamber. An edge part of the deflection member impinges upon the rotor and the deflection member is deflected for resiliently urging the engagement surface into frictional engagement with the rotor-engaging internal surface of the housing.
REFERENCES:
patent: 408090 (1889-07-01), Dille
patent: 3472347 (1969-10-01), Johnson
patent: 3809196 (1974-05-01), Moribe
patent: 4009770 (1977-03-01), Schreyer
patent: 4691811 (1987-09-01), Arakawa et al.
patent: 4893522 (1990-01-01), Arakawa
patent: 5277282 (1994-01-01), Umemura
patent: 5522485 (1996-06-01), Takahashi et al.
Ballato Josie
Illinois Tool Works Inc.
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