Power transfer device for four-wheel drive

Details Power transfer device for four-wheel drive Power transfer device for four-wheel drive

1989-03-22

1990-07-03

Marmor, Charles A.

Motor vehicles

Having four wheels driven

With manually operated means for disengaging drive to one or...

74665F, 74665T, B60K 2308

Patent

active

049383078

ABSTRACT:
In a power transfer device for four-wheel drive including a differential arranged to split the driving torque from a power transmission into two torque delivery paths, a first output shaft assembly in drive connection to the differential to transfer the split driving torque to front or rear-wheel drive axles and a second output shaft assembly in drive connection to the differential to transfer the split driving torque to rear or front-wheel drive axles, one of the output shaft assemblies being composed of a pair of split shafts, a shift mechanism includes a clutch sleeve slidably mounted on one of the split shafts for rotation therewith and shiftable between a first position where it is engaged with the other split shaft and a second position where it is disengaged from the other split shaft, a manually operated plug member rotatably coupled within a corresponding bore in the peripheral wall of a housing of the transfer device, and a fastening bolt threaded into the peripheral wall of the housing to fasten the plug member to the housing at a rotated position, the plug member having an inner end portion integrally provided with an eccentric cam pin which is engaged with an annular groove formed on the clutch sleeve.

REFERENCES:
patent: 3058558 (1962-10-01), Hawk
patent: 4625584 (1986-12-01), Onodera
patent: 4802383 (1989-02-01), Katayama et al.

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