发明名称 |
STAIR SYSTEM FOR OILFIELD TANK |
摘要 |
A stair system for a mobile storage tank includes a platform subsystem attached to a wall of the mobile storage tank, a staircase subsystem coupled to the platform subsystem, and a rail subsystem attached to the staircase subsystem. The platform subsystem includes a retractable platform extension, and the staircase and rail subsystem are configured to be extended for use and retracted for transit and non-use modes of operation.
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申请公布号 |
US2009090581(A1) |
申请公布日期 |
2009.04.09 |
申请号 |
US20080333892 |
申请日期 |
2008.12.12 |
申请人 |
WICHITA TANK MANUFACTURING, LTD. |
发明人 |
KENNEDY THERON J. |
分类号 |
E06C1/39;B60R3/02;E04G3/20;E04G5/10;E06C5/04 |
主分类号 |
E06C1/39 |
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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