Rotating tool

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7845428
SERIAL NO

11915919

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An extremely useful rotating tool is provided that can prevent rattling caused by a clearance between a machine tool and a machine tool retaining hole while bringing the axial center position of the machine tool and the axial center position of the machine tool retaining hole as close together as possible. The present invention is a rotating tool having a rotating main shaft (4), and the rotating main shaft (4) is provided with a machine tool retaining hole (3) having a cross-sectional shape that substantially matches a base part (2) of a driver bit, drill bit, or other machine tool (1) having a polygonal cross-sectional shape that is inserted into the machine tool retaining hole (3), wherein the rotating tool rotates the machine tool (1) inserted in the machine tool retaining hole (3) by rotating the rotating main shaft (4) and performs work. A pushing mechanism is provided for rotating the machine tool (1) in a prescribed direction and twisting and pushing the machine tool (1) against an internal surface of the machine tool retaining hole (3).

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First Claim

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Patent Owner(s)

Patent OwnerAddress
YUKIWA SEIKO KABUSHIKI KAISHANIIGATA COUNTY JAPAN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aoyagi, Kazuki Ojiya, JP 4 27
Sakamaki, Akira Ojiya, JP 28 357
Sakamaki, Kazuo Ojiya, JP 39 437
Taniguchi, Tadashi Ojiya, JP 41 307

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