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, 2018
Filed:
Apr. 01, 2011
Albert J. Sturm, Jr., Stillwater, MN (US);
Michael Hennessey, Prior Lake, MN (US);
Mark Guterman, Eagan, MN (US);
Albert J. Sturm, Jr., Stillwater, MN (US);
Michael Hennessey, Prior Lake, MN (US);
Mark Guterman, Eagan, MN (US);
PAR SYSTEMS, INC., Shoreview, MN (US);
Abstract
Hoist systems are provided. In one embodiment, a hoist system includes a lower platform, an upper platform, a plurality of flexible members, and a plurality of hoists. The upper platform has a plurality of rotatable support arms. The flexible members connect the rotatable support arms to the lower platform and can be extended and retracted using the plurality of hoists. If desired, the upper platform includes a plurality adjustable length support arms, and actuators may be used to extend and retract the support arms.