Grinding tool

US9505100B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9505100-B2
Application numberUS-201414769680-A
CountryUS
Kind codeB2
Filing dateFeb 7, 2014
Priority dateFeb 26, 2013
Publication dateNov 29, 2016
Grant dateNov 29, 2016

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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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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

The rotation support bar ( 2 ) of a grinding tool ( 1 ) has a bendable hinge section ( 4 ) at the intermediate section thereof, and has a balancer ( 5 ) on the grinding stone tip ( 3 ) side. The hinge section ( 4 ) comprises two or more opposed pairs of grooves ( 4 a ) which have circular arc-shaped bottom surfaces and which are provided in the outer peripheral surface of the rotation support bar ( 2 ) so as to extend in the direction perpendicular to the axial direction of the rotation support bar ( 2 ). The grooves ( 4 a ) are provided at equal angular intervals.

First claim

Opening claim text (preview).

The invention claimed is: 1. A grinding tool having a columnar rotation support bar, and a grinding stone tip provided at a leading end of the rotation support bar, wherein the rotation support bar has a bendable hinge part at the intermediate portion thereof, and has a balancer which suppresses the occurrence of balance failure during rotation on the grinding stone tip side than the hinge part, the hinge part consists of two or more opposed pairs of grooves which have circular…

Assignees

Inventors

Classifications

  • Operations & Transport · mapped topic

  • B24B41/02Primary

    Operations & Transport · mapped topic

  • Operations & Transport · mapped topic

  • Operations & Transport · mapped topic

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Frequently asked questions

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What does patent US9505100B2 cover?
The rotation support bar ( 2 ) of a grinding tool ( 1 ) has a bendable hinge section ( 4 ) at the intermediate section thereof, and has a balancer ( 5 ) on the grinding stone tip ( 3 ) side. The hinge section ( 4 ) comprises two or more opposed pairs of grooves ( 4 a ) which have circular arc-shaped bottom surfaces and which are provided in the outer peripheral surface of the rotation support…
Who is the assignee on this patent?
Kobe Steel Ltd
What technology area does this patent fall under?
Primary CPC classification B24B41/02. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Nov 29 2016 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).