Invention Grant
- Patent Title: Lifting systems
- Patent Title (中): 起重系统
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Application No.: US14209947Application Date: 2014-03-13
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Publication No.: US09321616B2Publication Date: 2016-04-26
- Inventor: Marvin M. May
- Applicant: Marvin M. May
- Agency: Blakely Sokoloff Taylor & Zafman
- Main IPC: A62B1/02
- IPC: A62B1/02 ; B66C23/62 ; B66C23/18 ; B66C23/20 ; B66C23/36 ; B66C13/08 ; B66C21/04 ; B66B9/187 ; B66B9/193 ; A62B1/06

Abstract:
Various lifting systems are described that use one or more of the following features. A method for setting an adjustable height upper pulley on a tall structure; load transfer from a suspended load to a tall structure; fan-based stabilizer; stabilizer or horizontal load position control mechanism using a closed loop of cable and traction winch for a crane application; crane-based lifting system that uses a closed loop of lifting cable looped around a traction winch; and a stabilizer or horizontal load position control mechanism that does not need a closed loop of cable. Other embodiments are also described and claims. Other embodiments are also described and claimed.
Public/Granted literature
- US20140263141A1 LIFTING SYSTEMS Public/Granted day:2014-09-18
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