发明名称 |
BEDDING FOUNDATION HAVING SINUOUS WIRE SPRINGS |
摘要 |
A box spring assembly includes a base frame, a top wire grid and a plurality of sinuous wire springs interconnecting the top wire grid and the base frame. The sinuous wire springs each comprise a sinuous wire strip formed into an inverted U-shaped configuration with the closed end of each U-shaped spring attached to the top wire grid and the free ends at the top of the U-shaped spring attached to the base frame. |
申请公布号 |
CA1291581(C) |
申请公布日期 |
1991.10.29 |
申请号 |
CA19880562025 |
申请日期 |
1988.03.21 |
申请人 |
LEGGETT & PLATT, INCORPORATED |
发明人 |
HIATT, SIDNEY A.;ZAPLETAL, HENRY |
分类号 |
A47C23/00 |
主分类号 |
A47C23/00 |
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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