发明名称 |
Roller assemblies for automatically winding and unwinding closures |
摘要 |
Roller assemblies having a drum upon which a closure is wound and unwound and wherein a drive mechanism within the drum is meshed with a plurality of elongated ribs extending along the inner surface of the drum and wherein the limiting controls for the drive mechanism include a pair of travelling nuts which are also meshed with the ribs of the drum for mechanically actuating the limiting controls.
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申请公布号 |
US5044417(A) |
申请公布日期 |
1991.09.03 |
申请号 |
US19900562572 |
申请日期 |
1990.08.03 |
申请人 |
SIMU |
发明人 |
BRESSON, RENE |
分类号 |
E06B9/56;B65H75/38;E06B9/68;E06B9/72 |
主分类号 |
E06B9/56 |
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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