Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices
Patent
1988-11-02
1990-03-06
Picard, Leo P.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Automatic circuit-interrupting devices
200 50C, H01H 7500
Patent
active
049069586
ABSTRACT:
A multi-pole circuit breaker apparatus includes first and second circuit breakers having first and second handles extending therefrom for switching the circuit breakers between "On" and "Off" positions. The circuit breakers are connected together with the handles extending generally parallel to each other. A handle tie connects the first and second handles for simultaneous operation. The handle tie has first and second handle openings disposed therethrough. The first and second handles extend all the way through the first and second handle openings, respectively, so that a forwardmost extension of the combined handles and handle tie is no greater than a forwardmost extension of the handles in the absence of the handle tie. The handle tie is slidably received about the handles so that it is free to float along at least a portion of a length of the handles. This provides a multiple circuit breaker apparatus which can readily fit into all existing enclosures in which the circuit breakers could fit in the absence of the handle tie.
REFERENCES:
patent: 2638012 (1953-05-01), Lewis
patent: 3040140 (1962-06-01), Nimylowycz
patent: 3069517 (1962-12-01), Cole
patent: 3158701 (1964-11-01), Nadeau
patent: 3213326 (1965-10-01), Gryctko
patent: 3240902 (1966-03-01), Gelzheiser
patent: 4166988 (1979-09-01), Ciarcia et al.
patent: 4679016 (1987-07-01), Ciarcia et al.
Exhibit A--Brochure of Square D Company.
Exhibit B--1987 Siemens Product Catalog, pp. 312, 317 and 353.
Exhibits C1 and C2--photographs of Square D device.
Exhibits D1 and D2--photographs of Square D Company device.
Exhibits E1 and E2--photographs of Square D Company device.
Exhibits F1 and F2--photographs of Challenger device.
Exhibits G1 and G2--photographs of Siemens Energy & Automation, Inc. device.
Exhibits H1 and H2--photographs of General Electric Company device.
Exhibits I1 and I2--photographs of Bryant Company device.
Exhibits J1 and J2--photographs of Bryant Company device.
Exhibit K--photograph of General Switch Company device.
Donovan Lincoln
Guttman Richard T.
Jimenez Jose W.
Lindgren Thomas B.
Picard Leo P.
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