Portable power tool

Details Portable power tool Portable power tool

2007-12-11

2007-12-11

Smith, Scott A. (Department: 3721)

Tool driving or impacting

Automatic control of power operated means

C173S176000, C173S201000, C173S217000

Reexamination Certificate

active

10549414

ABSTRACT:
A hand power tool has an electric motor, which is located in a housing and by way of which a tool insert located in a tool retainer is drivable in rotation, a guard device with which an uncontrollable blockage of the tool insert is detectable via a sensor unit and with which the housing is blockable in its motion; the guard device includes a mechanical unlocking unit that is manually actuatable by a user's action force, and gear is actuatable via an on/off switch for actuating the unlocking unit.

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