| 摘要 |
<p>PURPOSE:To improve the maintenance efficiency by removably installing the whole or a part of a step floor, and turning one of right, left, front and rear portions on a supporting point to be opened and closed. CONSTITUTION:In a riding rice-planting machine, a step floor is loaded on a frame 7a. The upper side of an engine 3 is covered with an engine cover 8c integral with the rear step floor 8b. The rear step floor 8b is locked and fixed by locking receive means 44a, 45a fixed to the bottom portion of the floor and rear floor locking means 44b, 45b fixed to the stay 43 side. The locking receive means 44a, 45a are integral with the members having a semi-circular notch portion, and the locking means 44b, 45b are integral with the round bar members corresponding to the above members, which are engaged with the notch portions. For example, with the front side lifted taking the rear side as a supporting point to open the step floor 8b, a floor opening and closing assisting means is hooked on a handle to retain the floor 8b.</p> |
