发明名称 |
Drive assembly with dynamic tensioning device |
摘要 |
A drive assembly for a closed loop cable system in which a flexible driver member drives a door or the like back and forth has the flexible drive member wrapped around and driven by a drive pulley. The drive assembly includes a motor unit having a motor shaft that rotates about a drive axis for rotating the drive pulley about a pulley axis, and a tensioning mechanism for adjusting the position of the pulley axis with respect to the drive axis responsive to tension in the flexible drive member.
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申请公布号 |
US2004209720(A1) |
申请公布日期 |
2004.10.21 |
申请号 |
US20030420372 |
申请日期 |
2003.04.21 |
申请人 |
CHAPMAN DAVID J.;RICE JOHN R. |
发明人 |
CHAPMAN DAVID J.;RICE JOHN R. |
分类号 |
F16H7/08;F16H7/14;(IPC1-7):F16H7/00;B62J13/00;F16H57/02 |
主分类号 |
F16H7/08 |
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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