Rotary damper

Details Rotary damper Rotary damper

1994-09-06

1996-03-12

Oberleitner, Robert J.

Brakes

Internal-resistance motion retarder

Having a thrust member with a variable volume chamber

18832217, 1883225, F16F 930, F16F 936

Patent

active

054978637

ABSTRACT:
A rotary damper comprising a housing and a cylindrical rotor rotatably supported in the housing, and an annular clearance between the rotor and housing being filled with a viscous flowable material, wherein the housing comprises a pivot extending from one end inwardly within the housing and forming an annular space with the housing; and the rotor comprises an annular cylindrical portion received by the annular space and forming annular clearances filled with the viscous material at both sides thereof.

REFERENCES:
patent: 1068329 (1913-07-01), Derihon
patent: 4653616 (1987-03-01), Mizusawa
patent: 4691589 (1987-09-01), Arakawa
patent: 4691811 (1987-09-01), Arakawa et al.
patent: 4697673 (1987-10-01), Omata
patent: 4796733 (1989-01-01), Nakayama
patent: 4830151 (1989-05-01), Numata
patent: 5269397 (1993-12-01), Kawamoto et al.
patent: 5301775 (1994-04-01), Nedbal et al.
Fachkunde fur metallverarbeitende Berufe, 38 Aufl, Verlag Europa Lehrmittel, Wuppertal-Barmen, Seite 249, Pre Sep. 6, 1994.

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