SCHNELLFREIGABEKUPPLUNG FUER EINEN BOHRLOCHMOTOR

An improved quick release coupling assembly for a drive shaft of a downhole motor is disclosed. The quick release coupling has an internally tapered collar to cause the mating taper on the outside surfaces of the clutch dogs to be held firmly by the collar and in intimate engaging relationship betwe...

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Bibliographische Detailangaben
Hauptverfasser:	WAYNE BRAMLETT,KENNETH, GARY DENNIS,JAMES, JUN.,G.C. JACKSON
Format:	Patent
Sprache:	ger
Schlagworte:	BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS
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Beschreibung
Zusammenfassung:	An improved quick release coupling assembly for a drive shaft of a downhole motor is disclosed. The quick release coupling has an internally tapered collar to cause the mating taper on the outside surfaces of the clutch dogs to be held firmly by the collar and in intimate engaging relationship between the mating tapered surfaces. The angle of the mating tapered surfaces is greater than a self-locking angle so that the quick release feature permits easy disassembly of the joint, and thus the tool, on the rig floor or as well as in the shop.