发明名称 |
Gymnastic mat |
摘要 |
A gymnastic mat capable of simple assembly and disassembly for compact storage. Cushioning material is contained within a readily disassemblable rigid frame. A cover of flexible material is attached to the top of the frame by elastic tie-down devices to contain the cushioning material within the frame and maintain a taut and wrinkle-free surface.
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申请公布号 |
US4137583(A) |
申请公布日期 |
1979.02.06 |
申请号 |
US19770858652 |
申请日期 |
1977.12.08 |
申请人 |
BALDWIN/GREEN INC. |
发明人 |
BALDWIN, BEECHER B.;HIGGINS, HAROLD |
分类号 |
A63C19/04;(IPC1-7):A47G9/00 |
主分类号 |
A63C19/04 |
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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