| 摘要 |
A head gate for use in controlling access of livestock to feed exposed at an open end of an elongated agricultural storage bag of the type formed of tubular flexible sheet plastic. The head gate includes a framework having a central portion which extends across in front of the open end and is provided with a number of openings sized to permit the livestock to reach through and feed from a face of compacted feed within the bag, the framework being mounted on skids to allow the head gate to be shoved towards the open end of the bag. Sheet plastic storage rolls are mounted on the framework and have a drive system to rotate the rolls relative to the framework for gathering the sheet material which had formed the bag and becomes excess as the feed recedes from the open end. The head gate allows for use of the feed directly from the bag with little labour involved while maintaining the feed clean and preventing wastage. After the stored food of the bag is completely consumed the sheet plastic of the bag which has been maintained in a neatly stored condition can be easily removed for disposal.
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