Geometrical instruments
Patent
1985-07-18
1986-12-02
Desmond, Eugene F.
Geometrical instruments
339251, 339263L, 339272R, H01R 466
Patent
active
046260510
ABSTRACT:
A universal ground clamp having a clamping strap formed of a corrosive-resisting copper or copper alloy having a series of uniformly sized and spaced apertures to facilitate the installation of the clamp onto a wide range of pipe, rod or conduit diameters. A brass stud, through which the clamping strap is secured, includes a terminal portion adapted to accommodate and have secured therein a terminated ground wire. A pair of curved plates supported upon the stud are used to form a tight clamping action of the copper strap about the pipe, rod or conduit to be grounded, without subjecting the strap to localized stresses or tearing, but permitting the strap to tightly encircle the pipe, rod or conduit and to be folded upon itself in a convergingly parallel manner.
REFERENCES:
patent: 1205374 (1916-11-01), Marcus
patent: 1210764 (1917-01-01), Cole
Desmond Eugene F.
Roehrig, Jr. August E.
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