| 摘要 |
A bubble top and height-extender element for use on a hopper such as a seed hopper in agricultural applications includes a bubble top or lid for mounting on the hopper or on an extender element positioned on the hopper, to facilitate additional seed or other material containment in the hopper. When used, the extender element is interposed between the bubble top or lid and the hopper itself, for increasing the carrying capacity of the hopper. In a preferred embodiment the bubble top or lid is utilized on a conventional hopper with or without the extender to increase the volume of seed, fungicide, pesticide or other material loaded in the hopper and thus reduce the labor costs and time required for distributing the material on a field to be seeded or treated.
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