Rotary damper with improved connection between cap and housing

Details Rotary damper with improved connection between cap and housing Rotary damper with improved connection between cap and housing

1992-03-10

1993-12-14

Oberleitner, Robert J.

Brakes

Internal-resistance motion retarder

Using a rotary-type fluid damper

1883225, 16 82, 192 58B, 192112, F16F 912, F16D 5700

Patent

active

052693970

ABSTRACT:
A rotary damper includes a dish-shaped housing having a depression surrounded by a cylindrical wall, a viscous fluid contained in the depression, a damping rotor accommodated in the viscous fluid, and a cap covering the dish-shaped housing with a shaft of the damping rotor projecting through a central hole thereof. The cylindrical wall is provided at the base of its external periphery with a sloped annular portion of downward increasing diameter. A lower edge portion of a circular wall of the cap is contacted with the slope of the sloped annular portion during welding of the cap to the dish-shaped housing.

REFERENCES:
patent: 4527675 (1985-07-01), Omata et al.
patent: 4796733 (1989-01-01), Nakayama

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