| 摘要 |
PROBLEM TO BE SOLVED: To suitably prevent interference with a step or the like on a floor surface without affecting dust collection performance.SOLUTION: A self-propelled dust collection robot 1 comprises: a body part 2; wheels 5, 5 and 11 which are held by the body part 2 and protrude downward to be rotatably driven; main brushes 21 and 21 which are disposed in the lower part of the body part 2 and protrude from the body part 2 to be rotatably driven; and a guide part 14 for guiding dust collected by the main brushes 21 and 21 to a dust collection part provided in the body part 2. Inclined projections 40 and 40, whose lower ends protrude downward from the guide part 14 except the wheels 5 and 5, are provided in the lower part of the body part 2 on a travel-direction front side in a direction inclined downward as approaching a rear side from the travel-direction front side.SELECTED DRAWING: Figure 2 |
