发明名称 Electric tool
摘要 An electric tool includes a housing accommodating a motor, and a break device and an operational member to turn on and turn off a drive switch of the motor. The brake device includes a brake plate fixed to an output shaft of the motor, a brake member is capable of moving toward and away from the brake plate during rotation, and an urging unit urging the brake member toward an abutment position where the brake member abuts on the brake plate. The operational member is provided with a press member that comes into abutment on the brake member through an operation of turning on the drive switch of the motor and rotates the brake member in such a rotational direction as to move away from the brake plate against the urging of the urging unit.
申请公布号 US8657032(B2) 申请公布日期 2014.02.25
申请号 US201113018964 申请日期 2011.02.01
申请人 NUMATA FUMITOSHI;MAKITA CORPORATION 发明人 NUMATA FUMITOSHI
分类号 B23Q5/00;E21B3/00;E21B17/22;E21B19/16;E21B19/18 主分类号 B23Q5/00
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