Machining head replaceable rotating tool, holder, and machining head

US8944732B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8944732-B2
Application numberUS-200913376526-A
CountryUS
Kind codeB2
Filing dateJul 9, 2009
Priority dateJun 11, 2009
Publication dateFeb 3, 2015
Grant dateFeb 3, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A machining head replaceable rotating tool having a fastening male screw and a fastening female screw disposed on respective shaft centers of one and the other of a machining head and a holder, the fastening male and female screws being threadably engaged with each other to concentrically and removably attach the machining head to a tip portion of the holder, the machining head and the holder being disposed with abutting surfaces abutted against each other in a fastened state when the fastening male and female screws are threadably engaged, the machining head replaceable rotating tool being integrally and rotationally driven via the holder in a tool rotation direction causing the fastening male and female screws to be fastened by a machining load to perform predetermined machining with the machining head, the abutment of the abutting surfaces preventing the fastening male and female screws from being further fastened by a machining load, the fastening male and female screws being saw-tooth buttress screws having a following flank angle α smaller than a leading flank angle β.

First claim

Opening claim text (preview).

The invention claimed is: 1. A machining head replaceable rotating tool having a fastening male screw and a fastening female screw disposed on respective shaft centers of one and the other of a machining head and a holder, the fastening male screw and the fastening female screw being threadably engaged with each other to concentrically and removably attach the machining head to a tip portion of the holder, the machining head and the holder being disposed with abutting surfaces abu…

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What does patent US8944732B2 cover?
A machining head replaceable rotating tool having a fastening male screw and a fastening female screw disposed on respective shaft centers of one and the other of a machining head and a holder, the fastening male and female screws being threadably engaged with each other to concentrically and removably attach the machining head to a tip portion of the holder, the machining head and the holder b…
Who is the assignee on this patent?
Osawa Jiro, Itoh Tasuku, Osg Corp
What technology area does this patent fall under?
Primary CPC classification B23C5/10. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Feb 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).