| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To adjust a gap between guide member with a simple structure. <P>SOLUTION: This preliminary cleaning apparatus is provided with a reversible guide unit 50. The unit 50 is provided with a plurality of fixed circular-arcuate plates 51 arranged in parallel at the prescribed intervals, a plurality of movable circular-arcuate plates 52 each of which is arranged between the adjacent plates 51 and the upper part of each of which is supported pivotally to be freely turnable and a hanger plate 59 which has a plurality of hanging openings and is supported pivotally to be freely turnable on the outside of the plates 52. The uppermost parts of the plates 52 are connected to one another by a connection bar 56. The hanging position of the bar 56 is changed, namely, the bar 56 is hung on any of the openings 59a, 59b of the plate 59 so that each of the plates 52 can be made to go in and out between the adjacent plates 51 freely. <P>COPYRIGHT: (C)2003,JPO</p> |
