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:
Jun. 24, 1997
Filed:
Aug. 05, 1994
Richard D Pugh, Seneca, SC (US);
Conrad S Weiden, Chapel Hill, NC (US);
Square D Company, Palatine, IL (US);
Abstract
An interlock mechanism in a motor control unit is provided for preventing the motor control unit from being engaged with current carrying bus bars within an enclosure when a handle disposed on the motor control unit is in an ON position, the handle controls a switching device disposed in the motor control unit, the interlock mechanism interacts with the switching device and automatically engages when the control unit is connected to the current carrying bus bars whereby preventing the motor control unit from being disengaged from the current carrying bus bars once the control unit becomes engaged with the current carrying bus bars and the handle is moved to the ON position.