发明名称 Power tool with light unit
摘要 A power tool includes a motor as a drive power source, a body housing the motor and having an end output unit for chucking an end tool, a handle grip connected to the body; and a light unit disposed to one of the handle grip and the body, and having a light-emitting element for providing illumination near the end tool. The light unit comprises switch means for switching the light-emitting element on and off, and an off circuit for automatically turning the light-emitting element off at a predetermined time after the light-emitting element turns on.
申请公布号 US7934847(B2) 申请公布日期 2011.05.03
申请号 US20070709741 申请日期 2007.02.23
申请人 HITACHI KOKI CO., LTD. 发明人 OOMORI KATSUHIRO;YOSHIMIZU CHIKAI;HARADA HIDEKAZU;TAKANO NOBUHIRO
分类号 B25B23/18;B25F5/00;B23G1/48;B25F5/02;F21V33/00 主分类号 B25B23/18
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