发明名称 |
Wickelwelle eines Rollosystems und Rollosystem mit Wickelwelle |
摘要 |
The winding shaft (20) has a main body (22) formed as a cone-shaped hollow metal part along a winding shaft axis (2), where the main body is provided for receiving a coiled removable sheet (30,30a) of the winding shaft. The wall thickness of the main body is varied along the direction of the winding shaft axis. The wall thickness is enlarged from an end (22a) of the main body with a larger outer diameter towards another end (22b) of the main body with a smaller diameter. The main body is made of aluminum or aluminum alloy. Independent claims are included for the following: (1) a roller blind system with a coil spring received by the winding shaft; and (2) a method for manufacturing winding shaft for a roller blind system. |
申请公布号 |
DE102011007082(A8) |
申请公布日期 |
2013.10.10 |
申请号 |
DE20111007082 |
申请日期 |
2011.04.08 |
申请人 |
BOS GMBH & CO. KG |
发明人 |
HINTENNACH, MARKUS;HILLEMACHER, REINER |
分类号 |
E06B9/44;B21C37/14;B21D31/06;B60J3/02 |
主分类号 |
E06B9/44 |
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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