Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Vacuum or hermetically sealed type
Patent
1975-02-03
1976-08-10
Miller, J. D.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Vacuum or hermetically sealed type
200267, 200268, 200283, 335154, 335196, H01H 166, H01H 5100
Patent
active
039744680
ABSTRACT:
Contact carriers for relays are produced by electrochemically plating sheets of electrically conductive nonmagnetic metal with iron. The sheets have a width corresponding to the intended length of the contact carriers. The sheets are then cut in strips across the width of the sheets to form the contact carriers. The sheets can be plated on one or both sides. Following the plating step and before cutting the strips from the sheet, the sheet can be mechanically treated, as by rolling, to increase the resiliency of the sheet. The sheet can be masked during the plating operation to produce contact carriers with unplated portions on the plated sides of the carriers. A contact element can be mounted on the plated or unplated portion of the contact carrier and more than one contact element can be mounted on each carrier. The contact carriers and contact elements can be arranged in relays in many combinations utilizing the forces of attraction and repulsion.
REFERENCES:
patent: 3495061 (1970-02-01), Coffin et al.
patent: 3497655 (1970-02-01), Riff
patent: R28220 (1974-10-01), Ratliff et al.
Bell Fred E.
Miller J. D.
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