Fluid operated wrench

Details Fluid operated wrench Fluid operated wrench

1987-09-29

1989-05-02

Schmidt, Frederick R.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 5736, 81 63, B25B 1346

Patent

active

048257303

ABSTRACT:
A fluid operated wrench for tightening and loosening threaded connectors comprises a housing having a first axis, a drive arranged in the housing and providing a driving force in an axial direction, an engaging unit of one type provided in a polygonal opening for engaging respective threaded connector to be turned and an engaging unit of another type provided with connecting means for attaching exchangeable socket projections thereto made to engage respective threaded connector to be turned and both including an engaging element connected with the drive for turning about a second axis which is transverse to the first axis, the engaging units being mounted exchangeably so that the engaging units of one type can be removed and replaced by the engaging units of another type or vice versa, a structure in the housing for exchangeably mounting the engaging units so that the engaging unit of one type can be removed and replaced by the engaging unit of another type and vice versa, and a unit for providing reaction in a first portion in the plane of the engaging unit of one type so as to abut against one neighboring threaded connector and in a second position perpendicular to the first position to abut against one neighboring threaded connector when the engaging unit of another type is mounted.

REFERENCES:
patent: 4631990 (1986-12-01), Hughes
patent: 4706527 (1987-11-01), Junkers

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