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:
Oct. 23, 2012

Filed:

Jun. 16, 2010
Applicants:

Woo Jin Park, Chungcheongbuk-Do, KR;

Hyun Jae Kim, Chungcheongbuk-Do, KR;

Inventors:

Woo Jin Park, Chungcheongbuk-Do, KR;

Hyun Jae Kim, Chungcheongbuk-Do, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 33/46 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed is a device for preventing withdrawing and inserting of a circuit breaker. The device for preventing withdrawing and inserting of a circuit breaker include: a lead screw is coupled between a carriage and a girder assembly and rotated by an external force to allow a breaker body to be closed or released while the carriage is moved with respect to a cradle, and a braking unit preventing the lead screw for operating when the girder assembly is released from the cradle. In an unstable state in which the girder assembly is not coupled to the cradle, a withdrawal handle is prevented from being inserted into the girder assembly. Therefore, an abnormal withdrawing operation can be prevented, and thus, various safety accidents, a contact resistance and temperature rise, damage to a device due to electrical breakdown can be prevented.


Find Patent Forward Citations

Loading…