Hydraulic tool

Details Hydraulic tool Hydraulic tool

1990-07-23

1994-05-17

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Machine

137580, B25B 1306

Patent

active

053117964

ABSTRACT:
A hydraulic tool comprises an action part arranged to act on a threaded connector for tightening and loosening the same, a drive part arranged to operate the action part so that the action part tightens or loosens a threaded connector, the drive part being formed as a hydraulically-operated drive, hose units arranged to supply a hydraulic working liquid to the drive, and a connector connecting the hose units with the drive, the connector including a first connector portion mounted on one of the parts turnably relative to the latter about a first axis, and a second connector portion mounted on the first connector portion turnably about a second axis which is inclined at an angle relative to the first axis.

REFERENCES:
patent: 4671142 (1987-06-01), Junkers
patent: 4823835 (1989-04-01), Chu
patent: 4921010 (1990-05-01), Spirer

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