Ball screw actuated clutch combination

Details Ball screw actuated clutch combination Ball screw actuated clutch combination

1989-09-21

1990-10-30

Lorence, Richard

192 clutches and power-stop control

Clutches

Plural clutch-assemblage

192 51, 192 94, 74377, F16D 2104, F16D 314

Patent

active

049662678

ABSTRACT:
A double clutch arrangement for use in a transmission or other place where mechanical clutch is desired that has a high torque capacity and small engagement and disengagement forces at the shift lever. The clutch arrrangement is utilized on the output shaft of a two-position clutch having forward and reverse gears and includes a ball screw actuated clutch mechanism positioned between the shaft and an externally actuated encompassing shift collar in combination with a friction clutch mechanism. The friction clutch mechanism comprises either a pair of clutch friction packs positioned between the shift collar and the forward and reverse gears or a pair of cone clutches therebetween. Initial actuation of the forward or reverse friction pack or cone clutch will initiate the ball screw clutch mechanism to lock up the clutch in either direction.

REFERENCES:
patent: 2091268 (1937-08-01), Colman
patent: 3135129 (1964-06-01), Merritt
patent: 3158244 (1964-11-01), Lanigan, Jr. et al.
patent: 3419118 (1968-12-01), Allaben, Jr.
patent: 3946841 (1976-03-01), LaFollette et al.
patent: 4138006 (1979-02-01), Benson, Jr.
patent: 4287973 (1981-09-01), Eichinger et al.

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