Non-step speed changer for a plane shaft of a manual planer
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United States of America Patent
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N/A
Issued Date -
Mar 13, 2008
app pub date -
Sep 11, 2006
filing date -
Sep 11, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A non-step speed changer for a plane shaft of a manual planer includes an adjust base and a speed-changing cam unit. A motor is fixed on the adjusting base, which can adjust the level of the spindle of the motor. The speed changing cam unit is pivotally connected on the spindle, and a transmitting belt is mounted around the speed changing cam unit and also around the plane shaft of a manual planer. The rotating radius of the transmitting belt around the speed changing cam unit is altered in accordance to lifting up and lowering down of the spindle, so the level of the spindle of the motor is altered, and the planing speed of the plane shaft is altered in the same way, able to enhance the quality of a work finished.
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