Spring adjustment system for drill string tool

Details Spring adjustment system for drill string tool Spring adjustment system for drill string tool

1978-02-16

1982-04-06

Pate, III, William F.

Boring or penetrating the earth

Processes

175320, 267162, E21B 1707

Patent

active

043231284

ABSTRACT:
A torque transmitting drill string tool is provided that includes an outer member and an inner member telescopically arranged. Spline means between said outer member and said inner member transmits torque. A spring means is positioned between the outer member and the inner member. Means are provided for adjusting the position and/or pre-load of the spring means without disassembling the tool.

REFERENCES:
patent: 2020927 (1935-11-01), Arnold et al.
patent: 2704426 (1955-03-01), Macauley
patent: 2937721 (1960-05-01), Parret
patent: 3873079 (1975-03-01), Kuus
patent: 3898815 (1975-08-01), Young

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