Riser tee wrench

Details Riser tee wrench Riser tee wrench

1983-09-12

1985-10-15

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Rigid jaws

B25B 1302

Patent

active

045466793

ABSTRACT:
A method and a specially adapted tool are disclosed for tightening or loosening the compression nut on the lower end of a vertically disposed riser tee pipe fitting which is mounted on a vertically projecting nipple on an underground gas main, while standing at ground level and using an extension handle connected to the tool. The tool is generally E-shaped, its body portion having a laterally projecting open-end wrench element at its lower end; a laterally projecting gripper plate at its upper end by which the tool is engaged and manipulated by the extension handle; and a laterally projecting stabilizer element therebetween which braces the tool against the upper end of the riser tee while the compression nut is being turned.

REFERENCES:
patent: 1408444 (1922-03-01), Collins
patent: 2640382 (1953-06-01), Grossman
patent: 3277749 (1966-10-01), Osburn et al.
patent: 3651556 (1972-03-01), Mechan
patent: 4334443 (1982-06-01), Pearson

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