Damper mechanism

Details Damper mechanism Damper mechanism

2007-07-17

2007-07-17

Binda, Greg (Department: 3679)

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Torque transmitted via flexible element

Coil spring

C192S214000

Reexamination Certificate

active

11312555

ABSTRACT:
A damper mechanism6is provided to transmit torque while absorbing and damping torsional vibrations. A small coil spring45achieves characteristics of a low rigidity in a small torsion angle region of the torsion characteristics when compressed by rotary members. A coil spring33achieves characteristics of a high rigidity in a large torsion angle region of the torsion characteristics when compressed by the rotary members rotating relatively to each other. A frictional resistance generating mechanism7generates a frictional resistance while each spring is being compressed. Owing to a rotating-direction space79, the frictional resistance generating mechanism7does not operate in the second stage of the torsion characteristics and also does not in the first stage while a torsion angle is in a predetermined range.

REFERENCES:
patent: 4796740 (1989-01-01), Fukushima
patent: RE34146 (1992-12-01), Worner et al.
patent: 6283866 (2001-09-01), Hashimoto et al.
patent: 6782983 (2004-08-01), Yamamoto et al.
patent: 2004/0248655 (2004-12-01), Tsuruta et al.
patent: 55-097543 (1980-07-01), None
patent: 06-129490 (1994-05-01), None
patent: 09-100842 (1997-04-01), None

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