Operation mode switching mechanism
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United States of America Patent
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Jan 5, 2016
Grant Date -
May 29, 2014
app pub date -
Nov 27, 2012
filing date -
Nov 27, 2012
priority date (Note) -
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Abstract
An operation mode switching mechanism for use with a power tool disclosed in the present invention includes a torsion unit, a switching unit, a clutch member, a power output member and an output shaft, where the switching unit can be switched between three rotating positions and one impact position. When the switching unit is at one of the rotating positions (screw symbols), the output shaft is driven to rotate by a carrier plate; and when switching unit is switched to the impact position (impact symbol), the output shaft is pushed by the clutch member so as to disengage from the carrier plate and is driven by a planet plate. The clutch member also restricts the direction of motion of the output shaft in the impact position, so the output shaft moves back and forward to generate reciprocating impact output.
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