Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – With housing or support means
Patent
1979-02-21
1981-09-15
Braun, Fred L.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
With housing or support means
335128, 335129, 335192, H01H 90 2, H01H 1304, H01H 6702, H01H 300
Patent
active
042900379
ABSTRACT:
A flat electromagnetic relay which includes a base member having at least two projections extending from a flat surface thereof. At least one hole (or indent), fitting a pertinent one of the projections, is formed in each supporting block that holds a contact, yoke, a hinging spring, or the like. These and similar members are successively stacked on the surface of the base member, with the projections fitted through the holes in the supporting blocks. The free ends of the respective projections are then deformed to secure and hold the components in position. A contact actuating card is put in place after the stack of contact holding blocks is assembled and locked in position. The block through which a contact carrying leaf spring is molded preferably has an end surface formed at an angle such that a portion of the leaf spring may be subsequently bent to extend substantially perpendicular to the remainder of the leaf spring, thereby forming a solder terminal. When used between the base member surface and one of the blocks, a return spring is precisely positioned preferably by an additional projection formed on the base member surface. A dust cover for the relay may have a ridge for restricting the return movement of the armature.
REFERENCES:
patent: 3247345 (1966-04-01), Mekelburg et al.
patent: 3278872 (1966-10-01), Maynard
patent: 3333216 (1967-07-01), Stehlik
patent: 3553612 (1971-01-01), Zimmer
patent: 3553729 (1971-01-01), Mori et al.
patent: 3681722 (1972-08-01), Johnsen et al.
patent: 3949332 (1976-04-01), Reuting
patent: 4008447 (1977-02-01), Anderson et al.
patent: 4010433 (1977-03-01), Nishimura et al.
Ikeda Matujiro
Inagawa Takashi
Kushida Naoto
Naito Kunio
Sekiguchi Akira
Braun Fred L.
Nippon Electric Co. Ltd.
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