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. 06, 2012
Filed:
Dec. 21, 2009
Myron Glickman, Arlington Heights, IL (US);
Matthew M. Moran, Woodridge, IL (US);
Daniel Brian Zakula, Sr., Mokena, IL (US);
Myron Glickman, Arlington Heights, IL (US);
Matthew M. Moran, Woodridge, IL (US);
Daniel Brian Zakula, Sr., Mokena, IL (US);
Mi-Jack Products, Inc., Hazel Crest, IL (US);
Abstract
A trolley control system for a gantry crane having a multiple trolley arrangement such as a first and second trolley. The control system including a trolley beam connected to the gantry crane with a first and second drive device connected to the trolley beam. The first drive device is powered by a first drive system while the second drive device can be powered by either the first drive system or the second drive system. A first trolley is connected to the first drive device while a second trolley is connected to the second drive device.