发明授权
- 专利标题: Model railroad layout
- 专利标题(中): 型号RAILROAD布局
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申请号: US701905申请日: 1976-07-01
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公开(公告)号: US4051783A公开(公告)日: 1977-10-04
- 发明人: Frank Caliri
- 申请人: Frank Caliri
- 申请人地址: MA Marlboro
- 专利权人: Peerless Industries Inc.
- 当前专利权人: Peerless Industries Inc.
- 当前专利权人地址: MA Marlboro
- 主分类号: A63H19/24
- IPC分类号: A63H19/24 ; B61B13/00
摘要:
Model railroad layout with a length of track formed near the ends of the rails with gaps and connected to an electrical source and a control means to reverse polarity on the rails when the engine wheel bridges a gap.
公开/授权文献
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