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. 28, 2014
Filed:
Dec. 20, 2010
Myron Glickman, Arlington Heights, IL (US);
Eric Brian Van Gorp, Schererville, IN (US);
John J. Lanigan, Jr., New Lenox, IL (US);
James Thomas Russo, Chicago Heights, IL (US);
Daniel Brian Zakula, Sr., Mokena, IL (US);
Myron Glickman, Arlington Heights, IL (US);
Eric Brian Van Gorp, Schererville, IN (US);
John J. Lanigan, Jr., New Lenox, IL (US);
James Thomas Russo, Chicago Heights, IL (US);
Daniel Brian Zakula, Sr., Mokena, IL (US);
Mi-Jack Products, Inc., Hazel Crest, IL (US);
Abstract
A lifting system for a vertically-elevating cab, the lifting system includes a frame assembly having a first and a second support column, first and a second lift screws which are attached to the, respective, first and second support columns, a cab-lifting beam that has a first and a second end attached to the, respective, first and second lift screws. A vertically-elevating cab is mounted on the cab-lifting beam in such a manner that a center of gravity of the cab is not aligned with a center of the cab-lifting beam. A plurality of rollers are located on each end of the lifting beam. Each one of the plurality of rollers is in contact with a guide bar on each of the respective first and second support columns, and a first and a second power system is connected to the, respective, first and second lift screw.