Wells – Detents or clutches
Patent
1996-03-19
1998-08-04
Neuder, William P.
Wells
Detents or clutches
74 88, E21B 3314
Patent
active
057879818
ABSTRACT:
The present invention provides a tool for converting axial force into torque comprising a body and set teeth positioned on the body. The tool also has a mandrel positioned to move relative to the body and drive teeth positioned on the mandrel such that there is relative motion between said set teeth and said drive teeth. When the set teeth and drive teeth engage, torque is applied to the mandrel.
REFERENCES:
patent: 2941424 (1960-06-01), Dixon
patent: 3587333 (1971-06-01), Duncan
patent: 3703104 (1972-11-01), Tamplen
patent: 4256179 (1981-03-01), Shillander
patent: 4727763 (1988-03-01), Georget
patent: 5048612 (1991-09-01), Cochran
patent: 5085479 (1992-02-01), Taylor
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