发明名称 |
LOCKING JOINT FOR COLLAPSIBLE LADDERS AND OTHER STRUCTURES |
摘要 |
A rigid structure such as a ladder is disclosed having rotating hinges that allow the ladder to fold up and/or be disassembled and assembled. The hinge or hinges can be provided between ladder sections with one ladder section having a male hinge element, and another having a female hinge element. A cam element provided with the female hinge element can be moved between an unlocked position in which the ladder sections can rotate with respect to each other, and a locked position in which the structure is rigid. |
申请公布号 |
CA2844760(A1) |
申请公布日期 |
2013.02.21 |
申请号 |
CA20122844760 |
申请日期 |
2012.08.13 |
申请人 |
ATLAS DEVICES LLC |
发明人 |
GALLUP, BENJAMIN;BALL, NATHAN;SCHMID, BRYAN;WALKER, DANIEL |
分类号 |
E05D11/10 |
主分类号 |
E05D11/10 |
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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