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. 29, 2002
Filed:
Sep. 13, 1999
Applicant:
Inventors:
Michael Z. Zhou, Hagerstown, MD (US);
Robert D. Backer, Rouzerville, PA (US);
Michael D. Griffin, Zullinger, PA (US);
Mark G. Neubauer, Hagerstown, MD (US);
Assignee:
Grove U.S. L.L.C., Shady Grove, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66C 2/316 ;
U.S. Cl.
CPC ...
B66C 2/316 ;
Abstract
An aerial work platform apparatus includes a shiftable counterweight which shifts in response to movement of the boom in order to maintain optimum balance of the apparatus during movement of the boom and platform. The counterweight shifts towards and away from the front of the apparatus, and also in a vertical direction. Several constructions for shifting the counterweight are disclosed.
Zhou, Michael. (2002). Retractable counterweight for straight-boom aerial work platform (U.S. Patent No. 6341665). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6341665
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile