Portable hydrant wrench

Details Portable hydrant wrench Portable hydrant wrench

1987-04-20

1989-03-28

Schmidt, Frederick R.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 44, B25B 2100

Patent

active

048153451

ABSTRACT:
A portable hydrant wrench for use by one man comprising one or more drive bars having a rectangular cross-section and employing a detachable socket wrench at one of the free ends. A flange is secured to the hydrant to be serviced provided in conjunction with the hydrant for one embodiment of the invention having an external rotatable support for a platform for positioning the drive bars in the center of the hydrant so that a turning device can be used to turn the tool with out providing any twisting force to the hydrant. Another embodiment of the invention provides for an internal platform within the hydrant for supporting internal power transmitting means to turn the drive bars and so operate, remove or replace the valves located underground.

REFERENCES:
patent: 3768775 (1973-10-01), Archer
patent: 4027561 (1977-06-01), Junkers
patent: 4178816 (1979-12-01), Radice
patent: 4398598 (1983-08-01), Fabrygel

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