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US Patent 9309094 Lift assembly systems and methods

Patent 9309094 was granted and assigned to Electronic Theatre Controls on April, 2016 by the United States Patent and Trademark Office.

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent

Patent attributes

Patent Applicant
‌
Electronic Theatre Controls
Current Assignee
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Electronic Theatre Controls
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
9309094
Patent Inventor Names
Donald A. Hoffend, III3
Date of Patent
April 12, 2016
Patent Application Number
14136611
Date Filed
December 20, 2013
Patent Citations Received
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US Patent 11911116 Virtual reality surgical camera system
1
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US Patent 11690692 Virtual reality surgical tools system
2
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US Patent 11744660 Virtual reality surgical device
Patent Primary Examiner
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Emmanuel M Marcelo
Patent abstract

A lift system configured to lift an article, the lift system includes a drum that rotates about an axis, a first cable that winds around the drum when the drum rotates about the axis in a first direction to raise the article and the first cable unwinds from the drum when the drum rotates about the axis in a second direction to lower the article. The lift system further includes a motor operable to rotate the drum about the axis in the first direction, an electrical cable configured to supply power from a power source to the article, and a second cable that is coupled to the electrical cable and the second cable pulls at least a portion of the electrical cable from a substantially vertical position to a substantially horizontal position.

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