Electricity: circuit makers and breakers – Electric switch details – Contact
Patent
1994-06-23
1996-10-29
Walczak, David J.
Electricity: circuit makers and breakers
Electric switch details
Contact
200241, 200547, 200551, H01H 160
Patent
active
055688608
ABSTRACT:
An electrical switch with pivot point wiping contact assemblies for scrubbing debris from electrical contact mating surfaces. For each electrical contact within the switch there is a battery rivet having a convex mating surface and a contact rivet which also has a convex mating surface. The contact rivet is mounted onto one end of a resilient wiping arm consisting of conductive material. The other end of the wiping arm is pivotally mounted within the slot of a pocket contact consisting of conductive material. Also connected to the wiping arm is a contact driver which abuts a manually moveable pin. Therefore, by moving the pin the resilient wiping arm rubs the contact rivet mating surface onto the battery rivet mating surface while making an electrical connection.
REFERENCES:
patent: 3250882 (1966-05-01), Campbell et al.
patent: 3319022 (1967-05-01), Froyd et al.
patent: 3482067 (1969-12-01), Sanford
patent: 3879592 (1975-04-01), Comerford et al.
patent: 4070555 (1978-01-01), Carli
European Patent Office, Patent Abstracts of Japan, vol. 018 No. 595 (E-1630), 14 Nov. 1994: Abstract to Japanese Publication No. JP930019843, filed on Aug. 2 ,1993.
Stringwell Roderick W.
Van Vooren Gregory P.
Methode Electronics Inc.
Newman David L.
Walczak David J.
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