| 发明名称 |
LOFT BLOCK WITH ALIGNED SHEAVES |
| 摘要 |
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 an idler sheave 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. |
| 申请公布号 |
US2015083879(A1) |
申请公布日期 |
2015.03.26 |
| 申请号 |
US201314343066 |
申请日期 |
2013.09.27 |
| 申请人 |
Electronic Theatre Controls, Inc. |
发明人 |
Hoffend, III Donald A. |
| 分类号 |
A63J1/02;B66D1/60;F16M13/02 |
主分类号 |
A63J1/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A lift system configured to lift an article, the lift system comprising:
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 an idler sheave to direct the second cable along a second substantially horizontal axis; and a second loft block including a second loft sheave to redirect the second cable from the second substantially horizontal axis to a second substantially vertical axis. |
| 地址 |
Middleton WI US |
