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:
Nov. 20, 2018

Filed:

Dec. 17, 2015
Applicant:

Abb Schweiz Ag, Baden, CH;

Inventors:

Beibei Jing, Shanghai, CN;

Zongfeng Ye, Shanghai, CN;

Qiyou Xu, Shanghai, CN;

Assignee:

ABB Schweiz AG, Baden, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 71/08 (2006.01); H01H 69/00 (2006.01);
U.S. Cl.
CPC ...
H01H 71/08 (2013.01); H01H 69/00 (2013.01);
Abstract

A contact arm for use in a circuit breaker is provided. The contact arm includes a tubular body that includes a conductive tube and defines a central longitudinal axis of the contact arm. The body has a first end configured for connection with a contact of the circuit breaker, and a second end configured for connection with a pole of the circuit breaker. The body defines a plurality of apertures extending therethrough from an outer surface of the body to an inner surface of the body.


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