Tool driving or impacting – Automatic control of power operated means – Drive means responsive to torque or speed condition
Reexamination Certificate
2007-10-17
2011-12-27
Smith, Scott A. (Department: 3721)
Tool driving or impacting
Automatic control of power operated means
Drive means responsive to torque or speed condition
C173S048000, C173S201000, C192S056560, C192S150000
Reexamination Certificate
active
08083006
ABSTRACT:
A hand-held power tool, in particular an electrical hand-held power tool (1), includes a drive motor (4), a tool shaft (14), and a first overload clutch (19) for limiting the maximum torque that acts on the tool shaft (14). Preferably, the hand-held power tool also includes a second overload clutch (20).
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Di Nicolantonio Aldo
Simm Robert
Robert & Bosch GmbH
Smith Scott A.
Striker Michael J.
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