Hydraulically damping apparatus for door of control part of elec

Details Hydraulically damping apparatus for door of control part of elec Hydraulically damping apparatus for door of control part of elec

1990-06-14

1992-01-28

Spruill, Robert L.

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

Closure checks

49379, E05F 502, E05F 100

Patent

active

050833430

ABSTRACT:
A hydraulically damping apparatus for the door of a control part of electric and electronic goods comprises a damper body, a rotating fan having wings mounted on a shaft, a transmitting lever operatively fixed to the shaft of the rotating fan and a door integrally formed with an interlocking plate. The apparatus can shorten the opening time and maintain the safety by automatically controlling the damping oil flow.

REFERENCES:
patent: 2202303 (1940-05-01), Swanson
patent: 4825503 (1989-05-01), Shiramasa et al.

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