Driving means for alternator for railway caboose lighting system |
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| 申请号 | US28781672 | 申请日 | 1972-09-11 | 公开(公告)号 | US3803421A | 公开(公告)日 | 1974-04-09 |
| 申请人 | BURRELL W; | 发明人 | BURRELL W; | ||||
| 摘要 | The alternator of the electric lighting system in a railway caboose has a drive wheel which engages a specially surfaced transfer wheel riding on a periphery of a track wheel of the vehicle. The alternator is mounted on a hinged panel, the outer free end of which is supported by the transfer wheel through the intermediary of a cam shaft having an off-set portion so arranged that the weight transferred from the outer end of the panel causes the transfer wheel to have peripheral contact with the drive wheel of the alternator under all operating conditions. | ||||||
| 权利要求 | 1. A driving assembly for an alternator in an electric lighting system for a railway vehicle consisting of a panel hingedly mounted at one end on the walking beam of the vehicle, a shaft housing secured on the opposite free end of said panel, a cam shaft having a first portion rotatably mounted in said housing, a second portion of said shaft off-set from said first portion and extending beyond said housing, a transfer wheel mounted on said second off-set portion of said shaft, said transfer wheel riding on a wheel of the vehicle, an alternator secured on said hinged panel, a drive wheel for said alternator arranged for peripheral contact with the periphery of said transfer wheel, said second portion of said cam shaft off-set from said first portion in a direction away from the axis of said alternator drive wheel, whereby the weight of said free end of said panel and said alternator acting on said transfer wheel through the intermediary of said cam shaft will cause the periphery of said transfer wheel to bear constantly against the periphery of said alternator drive wheel regardless of normal wear of the peripheries of either wheel. |
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