SCALE SPACING ADJUSTING BAR SCREEN, AND DRAINAGE PUMP PROTECTIVE SYSTEM HAVING SCALE SPACING ADJUSTING BAR SCREEN

摘要

PROBLEM TO BE SOLVED: To provide a scale spacing adjusting bar screen and a drainage pump protective system with the scale spacing adjusting bar screen easily adjustable in scale spacing.;SOLUTION: The scale spacing adjusting bar screen 50 with a plurality of vertical bars 51 connected in parallel through a support member is erected in a passage to catch dust or the like in the passage. The support member is formed of a comb tooth member 52 formed with a plurality of groove parts 52a at predetermined spaces. Vertical bars 51 are selectively fitted into the groove parts 52A and positioned by the groove parts 52A. The scale spacing of the bar screen 50 can thereby be selectively adjusted.;COPYRIGHT: (C)2010,JPO&INPIT