Master controller
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United States of America Patent
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Sep 1, 2015
Grant Date -
Feb 12, 2015
app pub date -
Sep 28, 2011
filing date -
Sep 28, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
The master controller includes a main handle, a handle drum, a reverse handle, a lock collar, a first lock cam having an outer peripheral surface that locks the reverse handle at a neutral position when an operation key is at a locked position, a second lock cam that rotates integrally with the reverse handle, and has an outer peripheral surface that locks the reverse handle and the main handle at a neutral position when the operation key is at a locked position, and that locks the reverse handle at a forward position or a reverse position and unlocks the main handle when the reverse handle is operated to the forward position or the reverse position, and a rod holding unit that holds a rod movably between the lock collar and the second lock cam.
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