Limited slip differential with reduced preload

Details Limited slip differential with reduced preload Limited slip differential with reduced preload

1994-12-22

1996-09-17

Marmor, Charles A.

Planetary gear transmission systems or components

Differential planetary gearing

Bevel gear differential

475234, F16H 4822

Patent

active

055563449

ABSTRACT:
The invention is directed to a limited slip differential, including a casing having a first clutch surface and at least two case parts, including a first case part and a second case part. An axle receiving side gear is disposed in the casing. A cone clutch associated with the side gear is disposed generally concentrically about a longitudinal axis and has a second clutch surface generally parallel with the first clutch surface. The second clutch surface is disposed at an angle of between about 3.degree. and 7.degree. relative to the longitudinal axis. A biasing device, such as a plurality of compression springs, biasingly engages the second clutch surface with the first clutch surface, and effects a preload force of between about -200 to +500 pounds against the side gear in a direction generally parallel to the longitudinal axis.

REFERENCES:
patent: 3365983 (1968-01-01), Jeakle
patent: 3400611 (1968-09-01), Engle
patent: 3815442 (1974-06-01), McAninch
patent: 4612825 (1986-09-01), Engle
patent: 4692049 (1987-09-01), Engle
patent: 5139467 (1992-08-01), Carpenter
patent: 5226861 (1993-07-01), Engle

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