| 摘要 |
A positionable dock board or gangway for service bridging the space separation between railway box-cars and a cargo shipping and/or receiving dock situated adjacent the railway track. The dock board unit hereof includes a platform securable to the dock facing with which it is to be used in a manner providing for pivotal platform movement between a horizontal service position and a vertical storage position. When in the vertical relation, the unit affords increased ease of longitudinal positioning for traversing between cars and precise locating at a car door. Transversely extending adjustable support arms enable accommodating variable spacing between dock and car while turnover plates at the free end have an adjustable pivot axis permitting greater angular offset and consequent ease of cargo handling in immediately adjacent car areas.
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