ELECTRICALLY POWERED TOOL WITH UNHEAT GRIP PORTION
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United States of America Patent
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N/A
Issued Date -
Jun 12, 2008
app pub date -
Nov 16, 2007
filing date -
Nov 17, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
In order to prevent the grip portion of a power tool from heating up, a brake resistor in which a regenerative current generated by a motor flows is disposed in a tail portion of the handle. The brake resistor is composed of two resistor elements connected in parallel with each other. The two resistor elements are mounted on different surfaces of a circuit board to effectively utilize an interior space of the handle.
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