Method and apparatus for converting transfer cases for four-whee

Details Method and apparatus for converting transfer cases for four-whee Method and apparatus for converting transfer cases for four-whee

1980-06-26

1981-12-08

Silverstrim, John P.

Motor vehicles

Having four wheels driven

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

74713, 180250, B60K 1734

Patent

active

043043178

ABSTRACT:
A method and apparatus for modifying and converting full-time four-wheel drive vehicle transfer cases to adapt them for optional two-wheel drive operation are described. A gear arrangement is provided for locking the main drive shaft from the transmission to the rear output gear of the transfer case, while permitting the differential cage of the transfer case to be engaged or disengaged with a forward drive gear for the front wheels, as desired.

REFERENCES:
patent: 2173044 (1939-09-01), Ruggles
patent: 2329916 (1943-09-01), Lamb
patent: 2397587 (1946-04-01), Armantrout
patent: 2699852 (1955-01-01), Cost
patent: 2971595 (1961-02-01), Fabere
patent: 3848691 (1974-11-01), Dolan
patent: 4169394 (1979-10-01), Estrada
"203 Free Wheeler" (published flier by Offroad Marketing Corp.).

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