Rotor movement damping device

Details Rotor movement damping device Rotor movement damping device

1981-06-15

1984-01-24

Goldberg, Howard N.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Closure checks

16DIG9, 188271, 188290, 277 27, 277152, E05F 502

Patent

active

044267525

ABSTRACT:
A rotary damping device has a shaft provided at one end with a rotor and the shaft also has a damping portion extending radially. The shaft is rotatably housed and accommodation spaces in the device are filled with oil. Located near to the opening of the shaft bearing is a radially extended sucker-shaped flange having a surface sloped axially forward. When the flange is contained within the accommodation space the rim portion of the flange presses against the front wall of the space to prevent damping oil leaking from the housing.

REFERENCES:
patent: 842639 (1907-01-01), Emden
patent: 4342135 (1982-08-01), Matsuo et al.

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