Electrical switch having a stationary contact of a bimetallic ma

Details Electrical switch having a stationary contact of a bimetallic ma Electrical switch having a stationary contact of a bimetallic ma

1995-04-18

1998-01-27

Picard, Leo P.

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

With bimetallic element

337333, 337380, 200263, 200283, H01H 3752, H01H 104

Patent

active

057126119

ABSTRACT:
The invention relates to an electrical switch having a contact system which includes a switching contact and at least one stationary contact. The stationary contact has a body and a contact surface which interacts with the switching contact. Furthermore, the stationary contact is arranged on a contact support which has a first wide side and a second narrow side approximately at right angles thereto and in which a recess is located in the first side, which recess has an opening, which faces the switching contact, on the second side. The body of the stationary contact is inserted into the recess in such a manner that the contact surface of the stationary contact is located on the second side. The stationary contact is designed as a bimetallic contact made of a first material for the body and of a second material in the form of a contact facing on the body. The bimetallic contact is arranged as a prefabricated part, with the contact facing as the contact surface on the contact support. A method for producing such a switch is furthermore described.

REFERENCES:
patent: 2234346 (1941-03-01), Ives
patent: 2730594 (1956-01-01), Page
patent: 3493707 (1970-02-01), Castle
patent: 3586808 (1971-06-01), Shibata
patent: 3916512 (1975-11-01), Sato et al.
Maronna et al:"Schweissverfahren zum Kontaktieren elektrischer Anschlusse in der Mikroelektronik". In: Schweisstechnik, 20, 1970, vol. 9, pp. 386-390.
Taubitz G.: "Verarbeitung von Kontaktmaterialien". In: elektro-anzeiger, 35. Jg., 1982, No. 21, pp. 28-31.
Firmendruckschrift: Mikro-Kontaktprofile, No. PK-B14, D/E/F/2C, 11.81UN, Ko. der Fa. W.C.Heraeus GmbH, Hanau.

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