1
Charles L Jencks, Roger N Castonguay: Circuit breaker having improved operating mechanism. General Electric Company, Robert A Cahill, Walter C Bernkopf, Frank L Neuhauser, January 4, 1977: US04001742 (82 worldwide citation)

A circuit breaker includes an operating mechanism having powerful mechanism springs to achieve the requisite contact pressures for high current carrying capacity. A single crank of a rotary handle through a relatively small arc of 120.degree. resets the operating mechanism via a reciprocating slide ...


2
Roger N Castonguay, David Arnold, David J Meiners: Molded case circuit breaker crossbar assembly. General Electric Company, Richard A Menelly, Walter C Bernkopf, Fred Jacob, March 22, 1988: US04733211 (66 worldwide citation)

A molded case circuit breaker crossbar assembly allows the movable contact carrier, contact spring and contact carrier operating cam to be preassembled prior to insertion within the circuit breaker case. The crossbar is fabricated from a plastic molding composition having means thereon for supportin ...


3
Roger N Castonguay, Charles L Jencks: Circuit breaker condition indicator apparatus. General Electric Company, Richard A Menelly, Walter C Bernkopf, Philip L Schlamp, November 17, 1981: US04301342 (61 worldwide citation)

In an industrial circuit breaker having a spring-powered movable contact operating mechanism and a spring-powered charging mechanism, each having the facility of storing a charge rendering the circuit breaker capable of being closed, condition indicator apparatus includes a first indicator for indic ...


4
Frank A Todaro, Roger N Castonguay, Alexander A Krajewski, Robert A Morris: Trip actuator for molded case circuit breakers. General Electric Company, Richard A Menelly, Walter C Bernkopf, Fred Jacob, July 7, 1987: US04679019 (57 worldwide citation)

An electronically driven trip actuator for multipole industrial rated molded case circuit breakers is installed within a common housing with the circuit breaker operating mechanism. The trip actuator consists of a mechanical actuator cooperatively connected with a magnetic latch. The magentic latch ...


5
Roger N Castonguay, James L Rosen, Mark A Zaffetti: Operating mechanism for high ampere-rated circuit breakers. General Electric, Richard A Menelly, June 13, 1995: US05424701 (55 worldwide citation)

An operating mechanism is disclosed which is capable of meeting electrical code requirements in the world market. The operating springs controlling the OPEN and CLOSED states of the circuit breaker contacts are charged both before and after the contacts are in their CLOSED conditions. The mechanism ...


6
Roger N Castonguay, David Arnold: Handle connector for multi-pole circuit breaker. General Electric Company, Richard A Menelly, December 15, 1992: US05172087 (52 worldwide citation)

A multi-pole circuit breaker is formed from a modular array of single-pole circuit breakers. The individual circuit breaker operating handles are ganged together by means of a handle connector placed over the individual circuit breaker operating handles. The handle connector has a U-shaped central p ...


7
Roger N Castonguay, Robert A Morris: Circuit breaker handle interlock arrangement. General Electric Company, Richard A Menelly, Walter C Bernkopf, Fred Jacob, December 18, 1990: US04978816 (51 worldwide citation)

A handle interlock arrangement is attached to the top surface of a manually operable circuit breaker operating handle to prevent the handle from being locked in its "OFF" position when the circuit breaker contacts are actually in their closed condition. A handle cover is hingeably attached to the ci ...


8
David A Ferullo, Roger J Morgan, James L Rosen, Donna DeRosier, Roger N Castonguay: Industrial-rated circuit breaker having universal application. General Electric Company, November 1, 1994: US05361052 (47 worldwide citation)

A molded case circuit breaker enclosure and operating components are provided with additional features to enable compliance with a variety of international electrical requirements for sales in the world market. The circuit breaker operating handle is prevented from returning to the OFF position upon ...


9
Raymond K Seymour, Roger N Castonguay: Modular accessory mechanical lock-out mechanism. General Electric Company, Richard A Menelly, May 20, 1997: US05631798 (46 worldwide citation)

A combined bell alarm and lock-out accessory is connected with the electronic trip unit that controls a high ampere rated circuit breaker. The accessory interacts with the circuit breaker operating mechanism to activate the bell alarm upon circuit interruption and to prevent the closing of the circu ...


10
David Arnold, Roger N Castonguay: Molded case circuit breaker multi-pole crossbar assembly. General Electric Company, Richard A Menelly, November 16, 1993: US05262744 (43 worldwide citation)

A modular crossbar arrangement for molded case circuit breakers allows a plurality of contact arm assemblies to be interconnected from a single modular unit. To provide increased acceleration to the movable contact arms a contact arm accelerator lever interfaces with the contact arm and crossbar ass ...