发明名称 |
COLLAPSIBLE SUPPORT STRUCTURE |
摘要 |
An apparatus including a support structure movable between an erected position and a collapsed position and including a threaded shaft, a first collapsible assembly having a first portion pivotally mounted on the threaded shaft, a second collapsible assembly having a second portion pivotally mounted on the threaded shaft, where at least one of the first and second portions is threadably engaged to the threaded shaft such that the first and second portions are relatively movable toward and away from each other through a rotation of the threaded shaft to move the support structure between the erected and collapsed positions. |
申请公布号 |
CA2696592(C) |
申请公布日期 |
2012.07.03 |
申请号 |
CA20072696592 |
申请日期 |
2007.08.15 |
申请人 |
PROMEN-AID INNOVATIONS LTD. |
发明人 |
DICKIE, ROBERT;COPELAND, STEVE |
分类号 |
F16M11/20;A47C4/00;A47D1/02;F16S3/04;F16S3/06 |
主分类号 |
F16M11/20 |
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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