The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 23, 2015
Filed:
Mar. 07, 2011
Hideki Uchiuzo, Namerikawa, JP;
Minoru Ihara, Uozu, JP;
Hideki Uchiuzo, Namerikawa, JP;
Minoru Ihara, Uozu, JP;
SUGINO MACHINE LIMITED, Toyama, JP;
Abstract
To provide a working unit ejecting mist of the excellent quality. A working unit includes a body, a ram, a forward and backward moving mechanism moving the ram forward and backward, a tool, a holding section holding the tool and moving forward and backward integrally with the ram, a spindle motor rotating the holding section, and a mist supply portion supplying mist mixed with air and cutting oil to the tool and works a workpiece while supplying the mist. The tool has through-holes supplying the mist to a cutting blade portion. The holding section includes a collet holding the tool and a collet holder having an inner cylindrical portion into which the collet is inserted with a communication hole to which the mist supplied from the mist supply portion 10 is introduced being formed from the inner cylindrical portion to an outer peripheral portion. A flow path guide plug having a mist supply path formed from an inner opening end of the communication hole toward the through-holes of the tool is internally fitted to the inner cylindrical portion.