Bi-directional vibrator mechanism usable with a concrete finishing tool
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United States of America Patent
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Jun 18, 2019
Grant Date -
Sep 27, 2018
app pub date -
Apr 5, 2018
filing date -
Jul 22, 2013
priority date (Note) -
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Abstract
A remote controlled vibration imparting device for a concrete finishing tool includes a case that attaches to a float using standard bolt layouts. A motor housing is suspended in and attached to the case, and the motor housing partly surrounds a vibrator with a support, a rotor with a shaft and weighted body, a bi-directional motor, and a coupler between the shaft and the motor. Also in the case are a variable speed controller and a remote switch, both of which are electrically connected to the motor and a battery located on or in the case. The case further includes a removable lid that attaches to a concrete finishing tool.
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