Well tool

Details Well tool Well tool

1976-11-11

1978-11-07

Marbert, James B.

Handling: hand and hoist-line implements

Grapple

Well type

166 99, E21B 3102

Patent

active

041242459

ABSTRACT:
A well tool of the type comprising a plurality of radially extendable and retractable gripping elements and deflecting means for radially moving the gripping elements by longitudinal movement with respect thereto. The tool comprises a camming mechanism for converting longitudinal motion to rotary motion in discreet increments for aligning and offsetting stop surfaces on the tool. The camming mechanism is characterized in that the engageable camming surfaces on each of two relatively movable members of the camming mechanism extend longitudinally and circumferentially.

REFERENCES:
patent: 2743130 (1956-04-01), Osman
patent: 3321016 (1967-05-01), Lance

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