Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1994-05-27
1996-03-19
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Machine
254 29A, B25B 1346
Patent
active
054995582
ABSTRACT:
A fluid operated tool for elongating and relaxing a threaded connector has a fluid operated drive having an axis, a non-rotatable driving part driven by the fluid operated drive, and a reaction part, wherein the reaction part includes a non-rotatable tool element of the tool provided with first element for engaging non-rotatably a threaded connector, the driving part includes a rotatable tool element rotatable about an axis of the threaded connector and having second element for engaging the rotatable tool element with the non-rotatable tool element, and an intermediate element arranged between the non-rotatable tool element and the rotatable tool element, and being formed so that it engages with the non-rotatable tool element so as to be non-rotatable as well while the rotatable tool element freely turns relative to the intermediate element, whereby when the rotatable tool element is turned around the axis the non-rotatable tool element only moves in an axial direction but does not rotate and therefore pulls a threaded connector in the axial direction.
REFERENCES:
patent: 4201099 (1980-05-01), Junkers
patent: 4336727 (1982-06-01), Junkers
patent: 4368655 (1983-01-01), Junkers
patent: 4844418 (1989-07-01), Cole
patent: 5140874 (1992-08-01), Junkers
Smith James G.
Striker Michael J.
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