Damper mechanism

Details Damper mechanism Damper mechanism

2007-04-24

2007-04-24

Binda, Greg (Department: 3679)

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

Torque transmitted via flexible element

Coil spring

C188S076000, C188S082800

Reexamination Certificate

active

11226254

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 portions of the second stage of the torsion characteristics in response to vibrations and also does not in the first stage while a torsion angle is in a predetermined range.

REFERENCES:
patent: 6264563 (2001-07-01), Mizukami

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