| 摘要 |
PROBLEM TO BE SOLVED: To provide a dust aspirator capable of satisfactorily removing contamination such as fluff and dust entering into a gap of an optical apparatus without disassembling the optical apparatus. SOLUTION: A nozzle part 30 that can be inserted to the inner part of the gap of the optical apparatus is disposed at the tip 20b of a nozzle hose. The nozzle part 30 constituted of an elastic material is formed to a gently curved shape. Further, a tip intake port 31 formed by obliquely cutting the side wall 31a forming the tip part 30a in round is disposed at the tip part 30a of the nozzle part 30. COPYRIGHT: (C)2009,JPO&INPIT
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