发明申请
US20130161043A1 HAND TOOL DEVICE 有权
手工工具

HAND TOOL DEVICE
摘要:
A hand tool device includes: a striking mechanism which has a striker, a striker driving device, and a striker arresting device. In the case of a first drill rotation direction, the striker driving device is configured to propel the striker in at least a striking direction. The striker arresting device is configured to prevent the striker driving device from being operated in the case of a second drill rotation direction.
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