Rotary shafts – gudgeons – housings – and flexible couplings for ro – Torque transmitted via flexible element – Coil spring
Patent
1984-12-13
1986-03-04
Levy, Stuart S.
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Torque transmitted via flexible element
Coil spring
1921062, F16D 314
Patent
active
045739455
ABSTRACT:
A damper disc of a long travel type has a hub adapted to be connected to an output shaft; circumferentially spaced flanges projecting radially outwardly from the outer periphery of the hub; a pair of side plates connected to a torque input portion, disposed at both sides of the flanges and rotatably fitted around the hub; spacers circumferentially spaced to the flanges; sub-plates rigidly holding the spacers and rotatably fitted around portions of the hub between the side plates and the flanges; a first friction member having a small friction force and disposed between the flange and the sub-plate; a second friction member having a large friction force and disposed between the sub-plate and the side plate; a first spring always circumferentially connecting the flange and the side plates; a second spring adapted to circumferentially connect the flange and the spacers in a second torsion operation in which a relative torsion angle between the flange and the side plates is larger than a predetermined value; and a third spring adapted to connect the spacers and the side plate at least in the second torsion operation.
REFERENCES:
patent: 2574573 (1951-11-01), Libby
patent: 3327820 (1967-06-01), Maurice
patent: 4304107 (1981-12-01), Fall et al.
patent: 4485909 (1984-12-01), Gatewood
patent: 4493674 (1985-01-01), Tamura et al.
patent: 4494642 (1985-01-01), Hashimoto
patent: 4499981 (1985-02-01), Nagano
Fukushima Hirotaka
Kajitani Kouji
Kabushiki Kaisha Daikin Seisakusho
Levy Stuart S.
Stodola Daniel P.
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