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:
Nov. 29, 2022
Filed:
Mar. 09, 2021
Applicant:
Electronic Theatre Controls, Inc., Middleton, WI (US);
Inventors:
Donald A. Hoffend, III, Alexandria, VA (US);
William R. Florac, Verona, WI (US);
Michael Lichter, Holzkirchen, DE;
Edwin W. Bolz, Queensbury, NY (US);
Assignee:
Electronic Theatre Controls, Inc., Middleton, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66D 5/00 (2006.01); B66D 5/16 (2006.01); F16M 13/02 (2006.01); A63J 1/02 (2006.01); G01L 5/102 (2020.01); G01L 5/107 (2020.01); B66D 1/38 (2006.01); B66D 1/56 (2006.01);
U.S. Cl.
CPC ...
B66D 5/16 (2013.01); A63J 1/028 (2013.01); B66D 1/38 (2013.01); B66D 1/56 (2013.01); F16M 13/022 (2013.01); G01L 5/102 (2013.01); G01L 5/107 (2013.01);
Abstract
A lift assembly including an article to be lifted between a lowered position and a raised position, a flexible drive element coupled to the article and defining a longitudinal axis, a power mechanism coupled to the flexible drive element, a drum powered by the power mechanism and dimensioned to facilitate winding of the flexible drive element onto the drum, and a cable keeper providing a force on the flexible drive element to bias the flexible drive element toward the drum.