Power tool and operation method for the power tool
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United States of America Patent
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Aug 23, 2016
Grant Date -
Feb 7, 2013
app pub date -
Sep 27, 2012
filing date -
Aug 6, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A power tool, including: a housing, a motor, arranged in the housing and outputting rotary force, a connecting shaft, adapted to one of a plurality of tool bits, a transmission mechanism, arranged between the motor and the connecting shaft and transmitting the rotary force from the motor to the connecting shaft, a cartridge, the cartridge includes a tool chamber for receiving the plurality of tool bits, the connecting shaft being capable of moving axially between a working position wherein the connecting shaft is adapted to the tool bits and a release position wherein the connecting shaft is separated from one of the plurality of tool bits, and a restricting member, the restricting member operable to move between two positions; at a first position, the restricting member limits the movement of the connecting shaft; and at a second position, the restricting member allows the connecting shaft to move.
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