Electrical contact having a precious metal extrusion extending f

Details Electrical contact having a precious metal extrusion extending f Electrical contact having a precious metal extrusion extending f

1991-04-01

1996-01-16

Recla, Henry J.

Electricity: circuit makers and breakers

Electric switch details

Contact

200267, H01H 106

Patent

active

054849713

ABSTRACT:
An electrical contact comprises a body formed of a precious metal in which the precious metal defines a contact surface of the body. At least one projection of the precious metal is formed generally centrally of the contact surface so as to extend therebeyond by successive discrete extrusions of the precious metal into a preselected configuration comprising the projection. A free end portion on the projection is spaced from the contact surface and comprises a chordal section of a sphere.

REFERENCES:
patent: 2199240 (1940-04-01), Gwyn, Jr.
patent: 3293399 (1966-12-01), Heinrich
patent: 4074112 (1978-02-01), Runft
patent: 4745244 (1988-05-01), Spinner

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