| 摘要 |
Provided is a buffer (1) rotatably inserted by a brush (2) including a buffer apparatus storage part (3) having a plurality of brush accommodating parts (38), which are hollow cylinders circularly arranged side by side in a buffer wheel (37). A supply channel (34) is provided in front of a longitudinal distal end of one of the brush accommodating parts (38), and a removal part (49) is provided at a longitudinal distal end of at least one discharge channel (41) which may be arranged in the brush accommodating part (38). The buffer wheel (37) and at least one discharge channel (41) may be arranged relatively to each other, and a suction nozzle (42) for generating air flows and transporting the brush (2) from the brush accommodating part (38) is provided in at least one discharge channel (41). |
