Geometrical instruments
Patent
1982-04-08
1984-08-07
Bilinsky, Z. R.
Geometrical instruments
339143T, H01R 1352
Patent
active
044640048
ABSTRACT:
A separable connector module of the fault-actuated piston type comprises an aluminum container tube, a bore contact member within the container tube, and a piston for actuating the bore contact member in response to closing on a fault. The piston is primarily of copper but has a thin coating of dissimilar metal on its exterior. A sleeve of copper tightly fitting with the container tube acts as a cylinder for receiving the exterior of the piston in contacting relationship between copper and said dissimilar metal. The sleeve has adjacent one end an integrally formed end wall containing a central opening, and a copper-alloy nut is brazed to the end wall adjacent the central opening.
REFERENCES:
patent: 2981916 (1961-04-01), O'Brien
patent: 3539972 (1970-11-01), Ruete et al.
patent: 4119358 (1978-10-01), Tachick et al.
Hegyi Steven M.
St. Jacques Joseph A.
Bilinsky Z. R.
Freedman William
General Electric Company
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