TOOTH-SKIPPING PREVENTION MECHANISM FOR DRIVING FORCE TRANSMISSION BELT
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United States of America Patent
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Issued Date -
Jun 13, 2013
app pub date -
Feb 28, 2012
filing date -
Dec 8, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A tooth-skipping prevention mechanism includes a block, which is inserted displaceably into a first end block in an electric actuator. A cavity having a semicircular shape in cross section is formed in one end of the block facing toward an outer circumferential side of a drive pulley and recessed toward another end side of the block. In addition, the cavity is arranged at a predetermined distance with respect to an outer circumferential surface of a timing belt that is enmeshed with the drive pulley. When the timing belt is moved in a radial outward direction so as to separate away from the drive pulley, movement of the timing belt is restricted, whereby the enmeshed condition of the timing belt and the drive pulley is maintained.
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