Electricity: circuit makers and breakers – Electric switch details – Contact
Patent
1986-02-26
1987-07-28
Marcus, Stephen
Electricity: circuit makers and breakers
Electric switch details
Contact
200271, 200275, H01H 120
Patent
active
046833587
ABSTRACT:
A contact arrangement for a relay having a high breaking current capacity. A contact spring is split in fork-like fashion so as to form two fork ends at its free end. The contact spring is opposite two cooperating contact elements in the form of a double contact or two contacts to be bridged. The two fork ends of the contact spring are directly connected to one another via a welded on contact strip. A stranded conductor is welded directly to a freely accessible center portion of the contact strip between the two fork ends. Thus, the two contacting locations of the contact spring are connected to one another or to a power terminal in a low-loss fashion without employing an expensive central contact spring having good conductivity. Rather, a spring steel having a relatively poor conductivity may be employed.
REFERENCES:
patent: 2263090 (1941-11-01), Humphreys et al.
patent: 2597368 (1952-05-01), Page
patent: 3299239 (1967-01-01), Mawney et al.
patent: 3344248 (1967-09-01), Cusick
patent: 3757069 (1973-09-01), Reuting
patent: 3930211 (1975-12-01), Belttary
patent: 4250367 (1981-02-01), Rossi
patent: 4517537 (1985-05-01), Weiser et al.
Luebke Renee S.
Marcus Stephen
Siemens Aktiengesellschaft
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