Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Closure checks – Spring
Patent
1984-05-29
1985-11-05
Silverberg, Fred
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Closure checks
Spring
16DIG9, 188290, 267 8R, 267114, E05F 502
Patent
active
045504709
ABSTRACT:
A rotary damper device comprises a base plate, a rotary cylinder rotatably disposed on the base plate through the medium of a damper, and a coil spring interconnecting the base plate and the rotary cylinder. The base plate and the rotary cylinder are interconnected to the main body of a device and the lid of the device. When the lid is opened or closed, the braking force of the damper and the resilient force of the coil spring cooperate to generate effective braking force and enable the opening-closing device to be opened or closed smoothly under the influence of the effective braking force.
REFERENCES:
patent: 1172267 (1916-02-01), Eisner
patent: 3160911 (1964-12-01), Morris et al.
patent: 3467982 (1969-09-01), Pracht
patent: 3825973 (1974-07-01), Gwozdz
patent: 3952365 (1976-08-01), Grisebach
patent: 4426752 (1984-01-01), Nakayama
Buckman T. W.
Halvorsen J. R.
Nifco Inc.
Silverberg Fred
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