发明名称 |
LOW PROFILE BOX SPRING ASSEMBLY |
摘要 |
<p>A box spring assembly is disclosed in which a plurality of main wire springs and intermediate wire springs are mounted on a generally rectangular frame. Each wire spring has a generally straight body portion and relatively short depending end portions, each of which is formed to a generally fish-mouth configuration. The end portions are secured to the frame and provide a substantial resistance to downwardly directed loads.</p> |
申请公布号 |
CA1068418(A) |
申请公布日期 |
1979.12.18 |
申请号 |
CA19780303348 |
申请日期 |
1978.05.15 |
申请人 |
HOOVER BALL AND BEARING COMPANY |
发明人 |
KITCHEN, JOHN P.;MANDUSKY, JACK C. |
分类号 |
A47C23/043;(IPC1-7):47C23/04 |
主分类号 |
A47C23/043 |
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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