| 发明名称 |
Variable size trailer hitch assembly |
| 摘要 |
A trailer hitch assembly including a tow-carrying upstanding ball and an adaptor removably mounted on the ball to increase the effective diameter of the ball. The socket of a coupler of a trailer is mounted over the adaptor.
|
| 申请公布号 |
US3968981(A) |
申请公布日期 |
1976.07.13 |
| 申请号 |
US19750608668 |
申请日期 |
1975.08.28 |
| 申请人 |
SUAREZ, RODERICK A. |
发明人 |
SUAREZ, RODERICK A. |
| 分类号 |
B60D1/06;B60D1/07;(IPC1-7):B60D1/06 |
主分类号 |
B60D1/06 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
