COMBINED PORTABLE ELECTRIC IMPACT WRENCH AND CHIPPING HAMMER

1447867 Percussive drills ROBERT BOSCH GmbH 30 Aug 1973 [31 Aug 1972] 40856/73 Heading B3C [Also in Divisions B4 and F2] An electrically operated hammer drill comprises a two-speed transmission unit having a clutch movable into a central position for disengaging the rotary drive, and a percussive me...

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Bibliographische Detailangaben
Hauptverfasser:	WANNER K,DT, FALCHLE J,DT, BLEICHER M,DT, SCHMID W,DT, HAHNER R,DT, HANSEL G,DT
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING BORING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HAND TOOLS HEATING LIGHTING MACHINE TOOLS MANIPULATORS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERCUSSIVE TOOLS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS THERMAL INSULATION IN GENERAL TRANSPORTING TURNING WEAPONS
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