| 发明名称 |
Cushioning ring for e.g. drilling excavators, has shock absorbers arranged between upper and lower flanges such that desired static spring rates of shock absorbers are obtained by adjusting volume of compressible media |
| 摘要 |
<p>The cushioning ring (A) includes shock absorbers (1) which are arranged between an upper flange (B) and a lower flange (C). The desired static spring rates of the shock absorbers are obtained by adjusting the volume of compressible media between the cylinders and pistons of the shock absorbers.</p> |
| 申请公布号 |
DE10304319(A1) |
申请公布日期 |
2004.08.12 |
| 申请号 |
DE2003104319 |
申请日期 |
2003.02.04 |
| 申请人 |
PETERSMANN, ECKHARD |
发明人 |
PETERSMANN, ECKHARD |
| 分类号 |
E21B17/07;(IPC1-7):E21B7/02 |
主分类号 |
E21B17/07 |
| 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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