Electronic gearshift apparatus of sub gearshift for 4 wheel drive vehicle
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United States of America Patent
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Jul 10, 2007
Issued Date -
N/A
app pub date -
Nov 12, 2003
filing date -
Nov 18, 2002
priority date (Note) -
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Abstract
An electronic gearshift device of a transfer case assembly for a four wheel drive vehicle is provided. The electric gearshift device comprises a motor, a camshaft rotatably driven by the motor, a rail member separated from the camshaft by a predetermined distance and positioned parallel to the camshaft; first and second forks installed on the rail member such that they are spaced apart from each other, and a cam fitted around and supported by the camshaft to selectively operate the first or second forks on the rail member to thereby effect gearshift.
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