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:
Mar. 17, 1992
Filed:
Feb. 25, 1991
Applicant:
Inventors:
Thomas C Leach, Cedar Rapids, IA (US);
Marvin L Linder, Hiawatha, IA (US);
Donald H Haase, Cedar Rapids, IA (US);
Assignee:
Square D Company, Palatine, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02B / ;
U.S. Cl.
CPC ...
361345 ; 361343 ;
Abstract
A racking mechanism for a fused circuit breaker includes a drive assembly that is removable as a unit from the breaker and fuse truck. A modular assembly includes a drive unit having a drive shaft and a travelling nut and yoke for rotating a pair of levering arms for moving the breaker among a plurality of positions in a cubicle. All interlocks are included on the modular drive assembly. An indicator is cam operated by the travelling nut and includes a face having indicia that identifies the direction of rotation of the drive shaft.