The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 09, 1977

Filed:

Oct. 10, 1975
Applicant:
Inventors:

David L Swindler, Franklin, OH (US);

Donald L Dykes, Middletown, OH (US);

Assignee:

Square D Company, Park Ridge, IL (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ; H01H / ;
U.S. Cl.
CPC ...
200 / ; 2001 / ;
Abstract

A circuit breaker of a medium voltage roll-in type is connected to an external control system by a plug and associated conductor line. The plug has a handle that is screwed into position to retain the plug in place and to compress a cable spring connected to a flexible cable enclosed in a tube. The compression of the cable spring enables a lever spring, acting oppositely to the cable spring, to move a lever attached to the cable. The lever is connected to move a trip latch that connects to a latch mechanism that opens and prevents closing of the circuit breaker.


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Swindler, David. (1977). Interlock for circuit breakers (U.S. Patent No. 4041260). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4041260

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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