Joints and connections – Interfitted members with external bridging piece
Patent
1981-11-27
1983-07-05
Kundrat, Andrew V.
Joints and connections
Interfitted members with external bridging piece
403286, 464157, F16D 110
Patent
active
043915477
ABSTRACT:
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.
REFERENCES:
patent: 2990895 (1961-07-01), Works et al.
patent: 3159222 (1964-12-01), Hammer et al.
Erick Oberg and Franklin D. Jones "Machinery's Handbook", Nineteenth Edition, Fifth Printing, 1973-Standard Tapers, pp. 1678 and 1679.
Bramlett Kenneth W.
Dennis James G.
Jackson, Jr. G. C.
Dresser Industries Inc.
Kundrat Andrew V.
Scott Eddie E.
Winans Fred A.
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