Shunt separating cam followers for circuit breakers and related methods

Patent metadata

Field	Value
Publication number	US-9218921-B2
Application number	US-201313923754-A
Country	US
Kind code	B2
Filing date	Jun 21, 2013
Priority date	Jun 21, 2013
Publication date	Dec 22, 2015
Grant date	Dec 22, 2015

Abstract

Circuit breakers with a cam follower having an upper post with the cam follower held by a cross bar to prevent cam/arm misalignment during high interruption shot on the breaker. Related cam followers have an upwardly extending post located on one side edge portion and cooperates with a shunt to provide shunt separation during high interruption breaker shots.

First claim

That which is claimed:

1. A circuit breaker, comprising:
a housing;
a movable arm in the housing;
a cross bar in the housing in cooperating alignment with the arm;
a cam follower held by the cross bar so that the cam follower is in communication with the arm, wherein the cam follower comprises an upper post; and
at least one shunt in the housing that has a length that extends from a location outside the cross bar to travel past the upper post over an upper surface of the c…

Assignees

• Eaton Corp

Inventors

• Eberts William G

Classifications

• Y10T74/2107

  Cross-Sectional Technologies · mapped topic

• H01H3/54 Primary

  Electricity · mapped topic

• H01H2071/749

  Electricity · mapped topic

• H01H1/5822

  Electricity · mapped topic

• F16H25/08

  Mechanical Engineering · mapped topic