Tool driving or impacting – Automatic control of power operated means
Reexamination Certificate
2006-12-26
2009-10-13
Rada, Rinaldi I. (Department: 3721)
Tool driving or impacting
Automatic control of power operated means
C173S176000, C173S181000, C173S217000, C173S020000, C310S239000, C310S050000, C310S047000, C310S244000, C310S156050, C310S156060, C388S937000, C324S207200
Reexamination Certificate
active
07600577
ABSTRACT:
A device for sensing a direction of rotation of a hand tool having an electric motor, has a rotatably supported brush plate provided in the electric motor and located in different positions depending on a direction of rotation of the electric motor; and at least one sensor which senses the different positions of said brush plate to determine a direction of rotation, wherein said sensor is configured as a contactless sensor.
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Roth Bernhard
Simm Robert
Weber Markus
Lopez Michelle
Rada Rinaldi I.
Robert & Bosch GmbH
Striker Michael J.
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