| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electric hand tool ensuring safe operation. <P>SOLUTION: The electric hand tool which includes a state changeable part 1 allowing manual shifting between a service-time state and an idle-time state and designated in advance as an object to be managed and operates a working tip 4 using an electric drive 3 housed in a housing 2 includes an operation propriety setting part 5 determining propriety of driving of the electric drive 3 to a request for driving, a changeable part detecting means 6 detecting the service-time state of the state changeable part 1, and an authentication part 7 whose operation is started on condition that the service-time state is detected by the changeable part detecting means 6 to set the operation propriety setting part 5 to an operable state on condition that authentication of an input authentication ID is established. <P>COPYRIGHT: (C)2012,JPO&INPIT |
