| 发明名称 |
Material handling apparatus |
| 摘要 |
A material handling apparatus having a substantially planar member with a central portion and an outer edge and wherein the cutting edge extends substantially to the outer edge of the substantially planar member and is scalloped including a series of convex arcs arranged in a plurality of segments of the series of convex arcs.
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| 申请公布号 |
US6273350(B1) |
申请公布日期 |
2001.08.14 |
| 申请号 |
US19990228834 |
申请日期 |
1999.01.12 |
| 申请人 |
KIRBY RICHARD M.;BURROWS ARTHUR P.;MENDONCA RICHARD A. |
发明人 |
KIRBY RICHARD M.;BURROWS ARTHUR P.;MENDONCA RICHARD A. |
| 分类号 |
B02C19/22;(IPC1-7):B02C19/22 |
主分类号 |
B02C19/22 |
| 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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