CPC A01D 34/81 (2013.01) [A01D 34/24 (2013.01); A01D 34/661 (2013.01); A01D 2101/00 (2013.01)] | 7 Claims |
1. A work unit with at least one auxiliary plate to be attached to a lower side of a work vehicle that includes a wheel, the work unit comprising:
a work portion;
a housing that covers the work portion;
a bridge portion that is provided above the housing;
the at least one auxiliary plate;
a linkage mechanism that is provided in the bridge portion and is connected to the at least one auxiliary plate; and
a lever attached to and configured to operate the linkage mechanism,
wherein the at least one auxiliary plate changes its position between a state of being housed in the bridge portion and a state of protruding from the bridge portion, and
wherein, as a result of rotating the lever, the linkage mechanism is folded or unfolded, and the position of the at least one auxiliary plate is changed between the state of being housed in the bridge portion and the state of protruding from the bridge portion.
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