John Arthur Patrick

US Patent:

57264015, Mar 10, 1998

Filed:

Mar 29, 1996

Appl. No.:

8/625482

Inventors:

Russell B. Green - Douglasville GA
John R. Patrick - Tucker GA

Assignee:

Siemens Energy & Automation, Inc. - Alpharetta GA

International Classification:

H01H 926
H02B 1100

US Classification:

200 5033

Abstract:

A cable interlock system is provided for preventing at least two circuit breakers from both being closed, comprising: a first circuit breaker assembly comprising a first main contact, a first cross bar, a first cross bar plunger, a first transfer assembly and a first operating handle, wherein the first operating handle is adapted to close or open the first circuit breaker assembly, and wherein the first cross bar plunger is adapted to contact the first cross bar, and wherein the first transfer assembly is adapted to move the first cross bar plunger; a second circuit breaker assembly comprising a second main contact, a second cross bar, a second cross bar plunger, a second transfer assembly and a second operating handle, wherein the second operating handle is adapted to close or open the second circuit breaker assembly, and wherein the second cross bar plunger is adapted to contact the second cross bar, and wherein the second transfer assembly is adapted to move the second cross bar plunger; a cable assembly having one end adapted for association with the first transfer assembly and having another end adapted for association with the second transfer assembly, wherein the one end of the cable assembly and the first transfer assembly cooperate with the first cross bar and the first cross bar plunger, and the another end of the cable assembly and the second transfer assembly cooperate with the second cross bar and the second cross bar plunger so as to prevent the first main contact and the second main contact from both being closed.