Rotary shafts – gudgeons – housings – and flexible couplings for ro – Torque transmitted via flexible element – Coil spring
Patent
1983-10-13
1985-08-06
Petrakes, John
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Torque transmitted via flexible element
Coil spring
1921061, 1921062, 464 68, F16D 314, F16D 366
Patent
active
045333386
ABSTRACT:
The present invention discloses a damper disc comprising a hub adapted to be connected to an output shaft; a radial flange formed integrally with the hub; a pair of side plates having a torque input portion at the outer peripheral portion, and disposed at opposite sides of the hub flange; a pair of sub-plates disposed between the hub flange and the side plates; a sub-pin connecting the sub-plates together and passing through a circumferentially long recess in the hub flange radially outward from the hub, a circumferential space corresponding to a first torsion angle being formed between the sub-pin and the side edge of the recess; a first torsion spring mechanism having a low spring constant and operable to connect the sub-plates and the hub flange together at a torsion area below the first torsion angle; a second torsion spring mechanism having a large spring constant, connecting the side plate and sub-plates together and operable to connect the side plates and the hub flange together at a torsion area above the first torsion angle and a stop pin connecting the side plates together and passing through circumferential recesses in the sub-plates and the hub flange radially outwardly from the second torsion spring mechanism.
REFERENCES:
patent: 3138039 (1964-06-01), Zeidler et al.
patent: 3948373 (1976-04-01), Worner
patent: 4044874 (1977-08-01), Worner
patent: 4101015 (1978-07-01), Radke
patent: 4177888 (1979-12-01), Arrowsmith
patent: 4188806 (1980-02-01), Fall et al.
patent: 4360352 (1982-11-01), Lamarche
patent: 4440283 (1984-04-01), Nioloux
Kabushiki Kaisha Daikin Seisakusho
Petrakes John
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