Rotary damper

Details Rotary damper Rotary damper

1990-12-21

1992-07-28

Oberleitner, Robert J.

Brakes

Internal-resistance motion retarder

Using a rotary-type fluid damper

267201, 267273, 267155, 74574, F16D 5700

Patent

active

051334330

ABSTRACT:
A rotary damper has a hollow cylinder having upper and lower flanges to serve as a pivot. One arm is tightly fitted on one of the upper and lower flanges and extends essentially in a direction tangential to the associated flange. The other arm is pivotal with rotation of the outer pivot and extends essentially in a direction tangential to the outer pivot. A coil spring is wound around the outer periphery of the hollow cylinder. The ends of the coil spring are connected to the arms for exerting spring force in a direction opposite the pivoting direction of the arms.

REFERENCES:
patent: 208770 (1878-10-01), Spruce
patent: 1399795 (1921-12-01), Reif
patent: 1585797 (1926-05-01), Starkey
patent: 3376088 (1968-04-01), Bol et al.
patent: 4428480 (1984-01-01), Ackeret
patent: 4576252 (1986-03-01), Omata
patent: 4616737 (1986-10-01), Orii
patent: 4635763 (1987-01-01), Omata
patent: 4830151 (1989-05-01), Numata
patent: 4833938 (1989-05-01), Reinwall et al.

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