192 clutches and power-stop control – Clutches – Operators
Patent
1981-08-28
1984-08-14
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Operators
192 7017, 192103R, 1921061, 464 68, 464100, F16D 312, F16D 1364
Patent
active
044651724
ABSTRACT:
A clutch driven plate assembly providing a variable torsional spring rate and variable friction damping torque. The assembly utilizes a splined hub with an outer flange notched at spaced locations around the circumference to receive a series of flat springs actuated by caged needle rollers mounted between a pair of side plates sandwiching the flange therebetween; one of the plates carrying the friction facings. The flat springs and rollers can be used alone or in combination with helical compression springs, and variable damping friction is accomplished either through the rollers alone or in conjunction with centrifugally actuated balls positioned in an annular tapered groove between the hub flange and one of the side plates.
REFERENCES:
patent: 1047841 (1912-12-01), Ruthardt
patent: 1704503 (1929-03-01), Gamble
patent: 1708923 (1929-04-01), Cole
patent: 1896025 (1933-01-01), Griswold
patent: 1946144 (1934-02-01), Hughes
patent: 1962993 (1934-06-01), Leece
patent: 1967052 (1934-07-01), Dumm
patent: 2017591 (1935-10-01), Dumm
patent: 2143040 (1939-01-01), Thelander
patent: 2724252 (1955-11-01), Schmal
patent: 2751766 (1956-06-01), Adachi
patent: 2826902 (1958-03-01), Coursey
patent: 4239097 (1980-12-01), Greacen et al.
Bonck Rodney H.
Borg-Warner Corporation
Geppert James A.
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