Rotary shafts – gudgeons – housings – and flexible couplings for ro – Flexible coupling between fluid-conducting rotary shafts – Including member deformable by relative movement between shafts
Patent
1993-06-21
1995-12-19
Stodola, Daniel P.
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Flexible coupling between fluid-conducting rotary shafts
Including member deformable by relative movement between shafts
464 96, F16D 364
Patent
active
054764211
ABSTRACT:
A shock absorbing assembly for a drilling machine utilizing a down hole hammer having a driver member for receiving input forces, a driven member for transmitting forces from the driver member to an attached drill string, and a resilient member which is placed under tension and elongated when downward forces are applied. The resilient member under tension receives and dissipates shocks and vibrations.
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Attached sheets 1 and 2 of Drawings referenced as 74-011, date unknown.
Epley Enterprises, Inc.--"Rough Rider Shock Sub" Ower's Manual Sep. 24, 1990.
Moore Richard E.
Work John T.
Dunn Eileen A.
Duramax, Inc.
Hochberg D. Peter
Jaffe Michael
Kusner Mark
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