发明名称 |
Lift assembly systems and methods |
摘要 |
A lift assembly system and method can include: a funnel-shaped drum having a constant diameter portion and a gradually increasing diameter portion; a cable management system adapted to position a cable in a single layer in a tray; a beam clamp tube receiver adapted to allow a tube to slide relative to a beam and be secured to the beam; a cable keeper and a slack line detector adapted to maintain cables in position about a drum upon loss of cable tension; a horizontally oriented low profile cable adjuster adapted to adjust the length of a cable; an overspeed braking mechanism; a fleet pivot arm pivotable on the end of a tube so as to guide cables along a desired fleet angle; and/or a pull-type load sensor connected between a tube and a drum adapted to sense changes in a load force and adjust movement of a load. |
申请公布号 |
US8613428(B2) |
申请公布日期 |
2013.12.24 |
申请号 |
US201213656995 |
申请日期 |
2012.10.22 |
申请人 |
ELECTRONIC THEATRE CONTROLS, INC. |
发明人 |
HOFFEND, III DONALD A. |
分类号 |
B66D1/30 |
主分类号 |
B66D1/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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