| 摘要 |
2502-1 PLUG SEEDLING EXTRACTOR AND METHOD OF USING SAME A plug seedling extractor for use with a plurality of variouslysized plug seedling trays is disclosed. The extractor has a base plate assembly with a plurality of extractor pins and an extraction table assembly with a plurality of holes aligned with the extractor pins. A plurality of threaded bolts having lock nuts mate with coupling nuts on the base plate assembly to slidingly connect and vary the height between the extraction table assembly and the base plate assembly. Each of a pair of hand-actuated levers are connected to the extraction table assembly and the base plate assembly on one side to cause relative motion between the extraction table assembly and the base plate assembly. The plug seedling tray slides over the extraction table assembly and is held in position by the cooperation of vertical restraining bars directly over the tray with the rear and side alignment bars. The levers are actuated to cause the extraction table assembly to slide down the threaded bolts so the extractor pins pass through the aligned holes in the extraction table assembly and through the plug seedling trays to extract the plug seedlings. |
