Title:
COMPACT HOIST SYSTEM
Document Type and Number:
WIPO Patent Application WO/2014/100297
Kind Code:
A3
Abstract:
A hoist system having a drum primarily self-contained within a batten, for raising and lowering lighting, sound equipment, curtains and the like in a performance environment. The hoist system may be adapted with safety mechanisms including an overload sensor and/or a slack line detector. The system may be provided in the form of a point hoist. The compact system is highly scalable to a variety of spaces and applications, including school and public theaters and concert halls, as well as some homes, private business, etc. Additional features include various cable management systems and trim adjustment mechanisms for use with the hoist system.
Inventors:
HOFFEND JR DONALD ALOYSIUS (US)
HOFFEND III DONALD ALOYSIUS (US)
HOFFEND III DONALD ALOYSIUS (US)
Application Number:
PCT/US2013/076318
Publication Date:
September 18, 2014
Filing Date:
December 19, 2013
Export Citation:
Assignee:
AVISTA DESIGNS LLC (US)
International Classes:
B66F1/00
Foreign References:
| US20070039783A1 | 2007-02-22 | |||
| EP2455151A1 | 2012-05-23 | |||
| US20090127527A1 | 2009-05-21 | |||
| US20050104053A1 | 2005-05-19 | |||
| US20140175353A1 | 2014-06-26 |
Other References:
See also references of EP 2935085A4
Attorney, Agent or Firm:
JARDIEU, Derek (1629 K St. Nw Suite 300Washington, DC, US)
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