preventing reverse rotation

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CPC
B25D2216/0061

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BPERFORMING OPERATIONS TRANSPORTING B25Hand tools B25DPERCUSSIVE TOOLS B25D2216/00Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit

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B25D2216/0061preventing reverse rotation

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Patents Grantslast 30 patents

Information Patent Grant
Percussive drill with safety interlock for reversing gear
- Patent number 4,428,438
- Issue date Jan 31, 1984
- Scintilla AG
- Peter Holzer
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Reversing hammer drill
- Patent number 4,223,744
- Issue date Sep 23, 1980
- The Singer Company
- James L. Lovingood
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Forward biased switch for a reversible hammer drill
- Patent number 4,204,580
- Issue date May 27, 1980
- The Singer Company
- David J. Nalley
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRIC MACHINE TOOL
- Publication number 20100018734
- Publication date Jan 28, 2010
- Karl Frauhammer
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS