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公开(公告)号：US10328500B2
公开(公告)日：2019-06-25
申请号：US15668323
申请日：2017-08-03
Applicant: Greenlee Textron Inc.
Inventor： John Jeremiah Morton , Arthur Anton Piper , Gerald Tully
Abstract: A cutting and deburring tool according to some embodiments of the disclosure includes a body portion configured to cut a hole in the workpiece, and a workpiece engaging portion and a shaft extending therefrom. The body portion includes a cutting edge configured to cut a hole in a workpiece and deburring cutting edges configured to deburr a first edge of a hole of a workpiece when the body portion is rotated in a clockwise direction or in a counter-clockwise direction after the hole is cut by the body portion. In some embodiments, a second body portion is provided and includes deburring cutting edges configured to deburr a second, opposite edge of the hole when the body portions are rotated in rotated in the clockwise direction or the counter-clockwise direction after the hole is cut by the first body portion.
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公开(公告)号：US10245656B2
公开(公告)日：2019-04-02
申请号：US15661118
申请日：2017-07-27
Applicant: Greenlee Textron Inc.
Inventor： Arthur Anton Piper , John Jeremiah Morton , Nalin Devalam , Robert Bruce Bentley
IPC: B23B51/00
Abstract: A step bit according to some embodiments includes a body including one or more flutes having a cutting edge configured to cut a hole in a workpiece, and a plurality of steps provided on the body. The steps progressively increase in diameter from a first distal step to a terminal proximal step. One or more of the steps have first and second lands. An outer diameter of the first land is less than the outer diameter of the second land. A length of the first land is less than a length of the second land.
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公开(公告)号：US20190039151A1
公开(公告)日：2019-02-07
申请号：US15668323
申请日：2017-08-03
Applicant: Greenlee Textron Inc.
Inventor： John Jeremiah Morton , Arthur Anton Piper , Gerald Tully
CPC classification number: B23B51/009 , B23B51/08 , B23B51/101 , B23B2251/64 , B23P15/32 , B24B19/04
Abstract: A cutting and deburring tool according to some embodiments of the disclosure includes a body portion configured to cut a hole in the workpiece, and a workpiece engaging portion and a shaft extending therefrom. The body portion includes a cutting edge configured to cut a hole in a workpiece and deburring cutting edges configured to deburr a first edge of a hole of a workpiece when the body portion is rotated in a clockwise direction or in a counter-clockwise direction after the hole is cut by the body portion. In some embodiments, a second body portion is provided and includes deburring cutting edges configured to deburr a second, opposite edge of the hole when the body portions are rotated in rotated in the clockwise direction or the counter-clockwise direction after the hole is cut by the first body portion.
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公开(公告)号：US20190030620A1
公开(公告)日：2019-01-31
申请号：US15661118
申请日：2017-07-27
Applicant: Greenlee Textron Inc.
Inventor： Arthur Anton Piper , John Jeremiah Morton , Nalin Devalam , Robert Bruce Bentley
IPC: B23B51/00
Abstract: A step bit according to some embodiments includes a body including one or more flutes having a cutting edge configured to cut a hole in a workpiece, and a plurality of steps provided on the body. The steps progressively increase in diameter from a first distal step to a terminal proximal step. One or more of the steps have first and second lands. An outer diameter of the first land is less than the outer diameter of the second land. A length of the first land is less than a length of the second land.
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