Fluid operated wrench

Details Fluid operated wrench Fluid operated wrench

1988-05-19

1990-04-17

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Machine

81112, B25B 1300

Patent

active

049169866

ABSTRACT:
A fluid operated wrench for tightening or loosening threaded connectors comprises a drive unit performing a forward and a rearward stroke, an abutment element arranged to abut against a neighboring object, and an engaging element arranged to engage and turn a threaded connector, the drive unit, the abutment element and the engaging element being connected with one another so that when the drive unit performs the forward stroke and the abutment element abuts against a neighboring object, the engaging element turns a threaded connector and at the same time a reaction force produced during the forward stroke pushes the engaging element onto the threaded connector.

REFERENCES:
patent: 1131136 (1915-03-01), Huffman
patent: 4446762 (1984-05-01), Junkers
patent: 4584913 (1986-04-01), Logan

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