Fluid-operated torque tool

Details Fluid-operated torque tool Fluid-operated torque tool

1993-08-26

1995-07-04

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 574, B25B 1300

Patent

active

054290171

ABSTRACT:
A fluid-operated torque tool for tightening and loosening threaded connectors has an engaging element having an axis and two axial ends with at least one of the ends adapted to engage a threaded connector to be tightened or loosened, and a driving element which is displaceable under the action of a working fluid in an axial direction of the engaging element and engages with the engaging element so that during the axial displacement of the driving element the engaging element turns about the axis and therefore tightens or loosens a threaded connector engaged by the engaging element.

REFERENCES:
patent: 4141261 (1979-02-01), Tummel
patent: 4233865 (1980-11-01), Junkers
patent: 4513644 (1985-04-01), Weyer
patent: 4753139 (1988-06-01), Junkers

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