Rectangular electric contact for switch

Details Rectangular electric contact for switch Rectangular electric contact for switch

1979-05-16

1981-03-31

Pollard, Steven M.

Electricity: circuit makers and breakers

Electric switch details

Contact

200244, H01H 106, H01H 122

Patent

active

042595576

ABSTRACT:
Rectangular electric contacts are produced by forming rectangular holes in base pieces, inserting into the rectangular holes contact pieces of a profile identical to the profile of the rectangular holes and pressing the portions of the contact pieces protruding out of the rectangular holes in the opposite directions. In consequence of the pressing, the contact pieces are laterally expanded to fill up the rectangular holes in the base pieces and the portions of the contact pieces protruding from the rectangular holes are crushed sideways to give rise to extended portions somewhat greater in size than the rectangular holes and similar in shape thereto. The extended portions serve as points of contact.

REFERENCES:
patent: 1197168 (1916-09-01), Ziegler
patent: 2721246 (1955-10-01), Bourns
patent: 2861140 (1958-11-01), Woodall et al.
patent: 3569653 (1971-03-01), Cockshutt

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