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.

Date of Patent:
May. 08, 2018

Filed:

Dec. 15, 2015
Applicant:

Electronic Theatre Controls, Inc., Middleton, WI (US);

Inventor:

Donald A. Hoffend, III, Alexandria, VA (US);

Assignee:

Electronic Theatre Controls, Inc., Middleton, WI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47H 1/10 (2006.01); A63J 1/02 (2006.01); B66D 1/60 (2006.01); F16M 13/02 (2006.01); B66C 1/36 (2006.01); B66C 1/28 (2006.01);
U.S. Cl.
CPC ...
A63J 1/028 (2013.01); B66C 1/28 (2013.01); B66C 1/36 (2013.01); B66D 1/60 (2013.01); F16M 13/022 (2013.01);
Abstract

A lift system configured to lift an article (e.g., a batten). The lift system includes a first cable configured to be coupled to the article, a second cable configured to be coupled to the article, a drive mechanism coupled to the first cable and the second cable and operable to raise and lower the article, a first loft block including a first loft sheave to redirect the first cable from a first substantially horizontal axis to a first substantially vertical axis, and a guide member to direct the second cable along a second substantially horizontal axis. The lift system further includes a second loft block including a second loft sheave to redirect the second cable from the second substantially horizontal axis block to a second substantially vertical axis.


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