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Title:
DUST COLLECTING BOX FOR METALWORKING STATIONARY CUTTING MACHINE, AND METALWORKING STATIONARY CUTTING MACHINE
Document Type and Number:
WIPO Patent Application WO/2020/049887
Kind Code:
A1
Abstract:
The objective of the present invention is to prevent blow back, to an operator side, of sparks and the like generated when material to be cut is being cut using a metalworking stationary cutting machine. A dust collecting box 2 which can be installed behind a cutting tool of a metalworking stationary cutting machine for cutting material to be cut, being a metal material, on the side of an installation surface of the material to be cut, includes: a dust collection opening 20 which accepts sparks generated when the material to be cut is cut; a dust collection passage 22 for allowing the sparks accepted by the dust collection opening 20 to flow backward; and a guiding portion 37 which guides the sparks into the dust collection passage 22 and prevents the sparks that have flowed into the dust collection passage 22 from flowing back to the dust collection opening 22.

Inventors:
MATSUI TAKENORI (JP)
SAKURAI KAZUHIRO (JP)
Application Number:
PCT/JP2019/029144
Publication Date:
March 12, 2020
Filing Date:
July 25, 2019
Export Citation:
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Assignee:
MAKITA CORP (JP)
International Classes:
B24B55/06; B23D45/26; B23D47/00; B24B27/06
Foreign References:
JPH02150151U1990-12-25
JP2008279609A2008-11-20
JPS57126968U1982-08-07
JP2009184079A2009-08-20
JPH0336411U1991-04-09
US5172680A1992-12-22
JP2012218097A2012-11-12
JP3017763U1995-11-07
Attorney, Agent or Firm:
GLOBAL IP TOKYO (JP)
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