发明名称 |
High load operation of an industrial roll door |
摘要 |
A high load operation industrial roll door, including a flexible door curtain windable about a top roll positioned above a door opening and provided with a drive system. The roll door includes a bottom beam fastened to the door curtain, and a biasing spring, for resisting movement of the door upon application of a load thereon, and a positive stop preventing movement of the biasing means beyond a predetermined point.
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申请公布号 |
US7252133(B2) |
申请公布日期 |
2007.08.07 |
申请号 |
US20040838783 |
申请日期 |
2004.05.04 |
申请人 |
ALBANY INTERNATIONAL CORP. |
发明人 |
BENGTSSON MIKAEL;LARSSON HAKAN;SAUVE RAYMOND;SIEWERT HOLGER;VICTOR JAN;PALSSON KENT |
分类号 |
A47H1/00;E06B3/94;E06B9/00;E06B9/62 |
主分类号 |
A47H1/00 |
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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