COMBUSTION ENGINE DRIVEN HAMMER MACHINES

1383720 Percussive tools ATLAS COPCO AB 2 July 1973 [30 June 1972] 31369/73 Heading B4C [Also in Divisions F2 and B3] A hammer device comprises a crankshaft 2 having a combustion engine piston 25 and a compressor piston 3 for driving a hammer piston 28 against a tool 8, rotation of the crankshaft be...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KARLFORS, LEVI JOHANNES, BRANNSTROM, KURT OSTEN
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS HAND TOOLS MANIPULATORS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERCUSSIVE TOOLS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TRANSPORTING
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