Power transmission system for a four-wheel drive motor vehicle

Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements

Patent

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Details

74745, 180247, B60K 2000, B60K 2002, B60K 2004, B60K 2006

Patent

active

047335742

ABSTRACT:
A transmission system has a main transmission, a sub-transmission, and a transfer clutch for four-wheel drive. The sub-transmission has a reduction gear train for providing a low speed range. A gearshift lever of the main transmission has an ultra-low speed position in a shift pattern. When the gearshift lever is shifted to the ultra-low speed position, a first speed gear of the main transmission and the low speed range of the sub-transmission are selected in response to the operation of the gearshift lever. Further the transfer clutch is engaged, so that ultra-low speed by the four-wheel drive is provided.

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patent: 4506773 (1985-03-01), Schott
patent: 4552036 (1985-11-01), Talano et al.
patent: 4561325 (1985-12-01), Jester
patent: 4621536 (1986-11-01), Takeuchi

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