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.
Patent No.:
Date of Patent:
Jan. 26, 1999
Filed:
Jan. 30, 1998
Hee Il Ahn, Choongcheongbuk-Do, KR;
LG Industrial Systems Co., Ltd., Seoul, KR;
Abstract
A terminal connection locking apparatus for a vacuum circuit breaker a trapping latch movably engaged to a driving cam, a crossbar connected to a lower portion of the trapping latch, change levers connected to a central lower surface portion and each side lower surface portion of the crossbar, springs elastically connected to the side change levers, a control lever disposed to a side portion of the contact control screw and externally exposed from the vacuum circuit breaker, a restoring link extended inwardly from the control lever, an interlock lever downwardly connected to an inner end portion of the restoring link, a spring elastically connected to the interlock lever, an engagement link connected to a side portion of control lever and horizontally spaced from the central change lever coupled to the crossbar, and a shielding plate for being rotatably connected to an end portion of the engagement link and covering/discovering the contact control screw. The apparatus facilitates a terminal connection locking operation and obtains an safety with regard to the operation for preventing the disconnection of the circuit breaker.