Vehicle drive clutch control
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 8, 2002
Grant Date -
May 30, 2002
app pub date -
Nov 30, 2000
filing date -
Nov 30, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A clutch control for shifting a vehicle drive system as between automatic four-wheel drive, locked four-wheel drive and two-wheel drive. An engagement system for engaging drive and driven components of the drive system may include roller clutch engagement or pawl clutch engagement. The clutch system is provided with a coupling mechanism for coupling the engagement member to ground or to the driven member to thereby achieve automatic four-wheel drive and locked four-wheel drive, respectively. The engagement member is decoupled from both ground and the driven member to achieve two-wheel drive.
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