| 摘要 |
PROBLEM TO BE SOLVED: To provide a dust collector with a dust level sensing mechanism without necessary to approach the dust collector and carry out recovery work in a strained position when the dust is unloaded, without scattering the dust to the circumference during recovering dust and carelessly staining and damaging the related components of the dust recovery, and devising so as to carry out the sensing of a dust amount and the recovery work extremely simply and securely. SOLUTION: A dust bucket K including an inner bucket 9 recovering sucked dust shaken down from a filter 4 and an outer bucket 2 accommodating the inner bucket 9 so as to freely operate vertically is arranged so as to be detachably attachable, and freely separate and move to the frame body 1 of the dust collector accommodating the filter 4. An active type reflective sensor 17 is provided which senses the descent of the inner bucket 9 due to an increase in dust weight, stops the operation of the dust collector and emits an alarm signal. COPYRIGHT: (C)2005,JPO&NCIPI
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