| 摘要 |
A normally horizontal base section supports the side section of a frame in upright position. A top section of the frame is normally positioned horizontally and has an open interior through which the lip of a bag can be inserted. The bag lip is wrapped downward over the outer periphery of the top section whereupon a rigid clamping ring is inserted over the top section to hold the bag lip in position. After filling of the bag, the clamping ring is removed, thereby releasing the lip of the bag for removal and, if desired, insertion of a new bag. When not in use, the base and top sections of the frame can be swung relative to the side section so as to extend parallel thereto for compact storage.
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