发明名称 |
HINGE BEAM FOR DISK HARROWS |
摘要 |
An agricultural implement having front and rear gangs of earth working tools being interconnected in such a manner that the gangs may be easily adjusted relative to each other to prevent the twisting of the gangs caused by forces acting on the gangs as the implement works the soil.
|
申请公布号 |
US3648781(A) |
申请公布日期 |
1972.03.14 |
申请号 |
USD3648781 |
申请日期 |
1970.01.06 |
申请人 |
INTERNATIONAL HARVESTER CO. |
发明人 |
WALTER MAYER |
分类号 |
A01B21/08;(IPC1-7):A01B23/06;A01B35/16 |
主分类号 |
A01B21/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|