| 发明名称 |
PISTON ASSEMBLY FOR OIL HYDRAULIC PUMP AND FOR OIL HYDRAULIC MOTOR |
| 摘要 |
<p>PURPOSE:To make smaller the spherical bearing surface of a piston at which the piston is coupled with a shoe sliding along the cam surface of an excentric cam, and to make compact the piston assembly.</p> |
| 申请公布号 |
JPS5312502(A) |
申请公布日期 |
1978.02.04 |
| 申请号 |
JP19760087550 |
申请日期 |
1976.07.21 |
| 申请人 |
HITACHI CONSTRUCTION MACHINERY |
发明人 |
YOSHIDA KUNIHIKO;OCHIAI MASAMI;KANAI TAKASHI |
| 分类号 |
F04B53/14;F04B1/04;F04B1/047;F04B1/053 |
主分类号 |
F04B53/14 |
| 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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