| 发明名称 |
SCHOOL BUS STOP SIGN AND CROSSING ARM APPARATUS |
| 摘要 |
<p>School Bus Stop Sign and Crossing Arm Apparatus An electrically-powered school bus sign and crossing arm apparatus mounts on the school bus body. A uni-directional DC motor and associated linkage and limit switch controls are used to deploy and retract the stop sign blade and crossing arm.</p> |
| 申请公布号 |
CA1206223(A) |
申请公布日期 |
1986.06.17 |
| 申请号 |
CA19820415828 |
申请日期 |
1982.11.18 |
| 申请人 |
SPECIALTY MANUFACTURING CO, INC. |
发明人 |
LATTA, JOSEPH E., JR. |
| 分类号 |
B60Q1/50;(IPC1-7):B60Q1/26 |
主分类号 |
B60Q1/50 |
| 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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