FIELD: agriculture.
SUBSTANCE: invention relates to the seed-feeding mechanism. The fixing device of the seed-feeding mechanism is located between the upper and lower parallel linkage guide spacers. Block spacer is connected to the upper guide spacer with the possibility of turning and it is directed downward to the lower guide spacer. The block spacer is implemented with the notch which forms the hook. A rolling hub is installed at the lower guide spacer and enters the notch. The final control element is connected to the block spacer by swivel joint with a space. The final control element is loaded by the spring relative to the lower guide space in advance. This element is equipped with a blocking element which interacts with a block spacer. The block spacer has a normal and fixing state. In normal state the hook is loaded by the executive element in the direction of rolling bush. In fixing state the hook is loaded by the executive element in the direction of slide bushing.
EFFECT: providing with the possibility of blocking of one ore more seed-feeding mechanisms in picked up off-position.
15 cl, 3 dwg
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