Power tool and method of forming coil in power tool motor
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United States of America Patent
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-
Jul 21, 2020
Grant Date -
Feb 1, 2018
app pub date -
May 31, 2017
filing date -
Jul 29, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a brushless motor comprising a stator core having a plurality of teeth that protrude therefrom in radial directions, a front insulator which is attached to the stator core and which has a plurality of insulating portions that protrude therefrom along the direction of protrusion of the respective teeth, and a plurality of coils formed by magnet wire wound about each of the insulating portions at the respective teeth, a top face of the respective insulating portions of the front insulator is provided in advance with a deformable rib which is capable of being deformed by tension of the magnet wire wound thereabout, and the magnet wire is wound about the deformable rib to form the coils as the deformable rib is made to deform in correspondence to the external shape of the magnet wire.
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