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:
Feb. 17, 2009
Filed:
Nov. 23, 2004
Daisuke Murakami, Itami, JP;
Norihide Kimura, Itami, JP;
Junya Okida, Itami, JP;
Sumitomo Electric Hardmetal Corp., Hyogo, JP;
Abstract
A holderhas a shank portionprovided with a pockethaving the shape of a nearly rectangular solid. The pocketis placed at a position relatively close to the tip of the tool. In the cross section of the shank, the pockethas a width of 50% to 100% of the shank diameter or width, a height of 20% to 50% of the shank height, and a length of 50% to 250% of the shank diameter or height. A weightis inserted into the pocketsuch that the weight is movable but unable to rush out. The weighthas the shape of a nearly rectangular solid and is made of a material having a specific gravity comparable to or greater than that of the material of the shank portion.