| 摘要 |
PURPOSE: An open and shut apparatus of a compost sprayer is provided to regularly spray each compost that has different properties in the wanted quantity in a field. CONSTITUTION: The open and shut apparatus of a compost sprayer(10) comprises:a handle(12); a swing lever(14); a lever hinge(16) for connecting the swing lever to be turned a hopper; a regulation screw(18) for changing the turning movement of the swing lever to the straight movement; a connecting rod(20) moving straightly by installing on the lower regulation screw; a horizontal arm(22); a vertical arm(24); a sectorial bushing(26) connected to the end of the vertical arm; and an open and shut device(28) for opening and shutting a compost spraying opening.
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