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公开(公告)号：US20180001397A1
公开(公告)日：2018-01-04
申请号：US15709614
申请日：2017-09-20
Applicant: IRWIN INDUSTRIAL TOOL COMPANY
Inventor： Joseph Thomas Novak , Matthew Christopher Green
IPC: B23B51/04
CPC classification number: B23B51/0406 , B23B51/04 , B23B2260/072 , Y10T408/895 , Y10T408/8953 , Y10T408/896
Abstract: A hole cutter has a substantially cylindrical blade body defining a blade body circumference, a cutting edge formed on one end of the blade body, and an axially-elongated slot formed through the substantially cylindrical blade body. The axially-elongated slot is configured to receive chips flowing from the cutting edge within the interior of the blade body and (i) into the slot and/or (ii) through the slot, to prevent the collection of such chips within the interior of the blade body and/or at an interface between the blade body and the work piece. The axially-elongated slot defines a first end adjacent to the cutting edge, a second end axially spaced further from the cutting edge, and a slot area. The hole cutter further defines a total slot area to blade body circumference ratio within the range of about 0.1 to about 0.3 depending on the size of the hole cutter.
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公开(公告)号：US20180272441A1
公开(公告)日：2018-09-27
申请号：US15989287
申请日：2018-05-25
Applicant: IRWIN INDUSTRIAL TOOL COMPANY
Inventor： Joseph Thomas Novak , Matthew Christopher Green
IPC: B23B51/04
CPC classification number: B23B51/0453 , B23B51/0406 , B23B2251/428 , B23B2260/082 , Y10T408/895
Abstract: A hole cutter has a cylindrical blade body including a cutting edge and one or more axially-elongated apertures formed within a side wall of the blade body. The axially-elongated aperture is configured to receive a lever, such as a screwdriver, therethrough. Each axially-elongated aperture includes a first fulcrum axially spaced adjacent to the cutting edge, a second fulcrum axially spaced further away from the cutting edge than the first fulcrum, and optionally a third fulcrum axially spaced between the first and second fulcrums. A lever, such as a screwdriver, can be inserted into the aperture and placed against each of the fulcrums to lever slugs out of the interior of the blade body.
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公开(公告)号：USD765159S1
公开(公告)日：2016-08-30
申请号：US29480981
申请日：2014-01-31
Applicant: IRWIN INDUSTRIAL TOOL COMPANY
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公开(公告)号：US10399154B2
公开(公告)日：2019-09-03
申请号：US15585982
申请日：2017-05-03
Applicant: IRWIN INDUSTRIAL TOOL COMPANY
Inventor： Joseph Thomas Novak , Matthew Christopher Green
IPC: B23B51/04
Abstract: A hole cutter has a cylindrical blade body including a cutting edge and one or more axially-elongated apertures formed within a side wall of the blade body. The axially-elongated aperture is configured to receive a lever, such as a screwdriver, therethrough. Each axially-elongated aperture includes a first fulcrum axially spaced adjacent to the cutting edge, a second fulcrum axially spaced further away from the cutting edge than the first fulcrum, and optionally a third fulcrum axially spaced between the first and second fulcrums. A lever, such as a screwdriver, can be inserted into the aperture and placed against each of the fulcrums to lever slugs out of the interior of the blade body.
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公开(公告)号：USD789428S1
公开(公告)日：2017-06-13
申请号：US29496442
申请日：2014-07-14
Applicant: Irwin Industrial Tool Company
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Patent Agency Ranking
公开(公告)号：USRE46103E1
公开(公告)日：2016-08-16
申请号：US14614701
申请日：2015-02-05
Applicant: Irwin Industrial Tool Company
Inventor： Joseph Thomas Novak , James E. Pangerc
IPC: B23B51/04
CPC classification number: B23B51/04 , B23B51/0473 , Y10T408/03 , Y10T408/895 , Y10T408/8957 , Y10T408/95
Abstract: An arbor for quick change and standard hole cutters, wherein each hole cutter includes a central aperture and at least one drive pin aperture. The arbor comprises an arbor body including an end portion engageable within the central aperture, a drive shank opposite the end portion for engaging a power tool, and an aperture for receiving a pilot bit. The arbor further comprises a drive pin plate and/or collar having at least one drive pin receivable in a corresponding drive pin aperture of the hole saw for drivingly engaging the hole saw. The arbor, in at least one embodiment, further comprises a pilot bit mechanism for engaging and releasing a quick change or standard pilot bit.
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公开(公告)号：US20150239051A1
公开(公告)日：2015-08-27
申请号：US14708596
申请日：2015-05-11
Applicant: Irwin Industrial Tool company
Inventor： Joseph Thomas Novak , Matthew Christopher Green
IPC: B23B51/04
CPC classification number: B23B51/0453 , B23B51/0406 , B23B2251/428 , B23B2260/082 , Y10T408/895
Abstract: A hole cutter has a cylindrical blade body including a cutting edge and one or more axially-elongated apertures formed within a side wall of the blade body. The axially-elongated aperture is configured to receive a lever, such as a screwdriver, therethrough. Each axially-elongated aperture includes a first fulcrum axially spaced adjacent to the cutting edge, a second fulcrum axially spaced further away from the cutting edge than the first fulcrum, and optionally a third fulcrum axially spaced between the first and second fulcrums. A lever, such as a screwdriver, can be inserted into the aperture and placed against each of the fulcrums to lever slugs out of the interior of the blade body.
Abstract translation: 孔切割器具有圆柱形刀片体，其包括切割刃和形成在刀片主体的侧壁内的一个或多个轴向细长孔。 轴向细长的孔被构造成容纳穿过其中的诸如螺丝刀的杆。 每个轴向细长的孔包括邻近切割边缘轴向间隔开的第一支点，与第一支点相比轴向间隔开比切割边缘更远的第二支点，以及可选地在第一和第二支点之间轴向隔开的第三支点。 诸如螺丝刀的杠杆可以被插入到孔中并放置在每个支点上，以将块塞从叶片本体的内部拉出。
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公开(公告)号：US10328501B2
公开(公告)日：2019-06-25
申请号：US15989287
申请日：2018-05-25
Applicant: IRWIN INDUSTRIAL TOOL COMPANY
Inventor： Joseph Thomas Novak , Matthew Christopher Green
IPC: B23B51/04
Abstract: A hole cutter has a cylindrical blade body including a cutting edge and one or more axially-elongated apertures formed within a side wall of the blade body. The axially-elongated aperture is configured to receive a lever, such as a screwdriver, therethrough. Each axially-elongated aperture includes a first fulcrum axially spaced adjacent to the cutting edge, a second fulcrum axially spaced further away from the cutting edge than the first fulcrum, and optionally a third fulcrum axially spaced between the first and second fulcrums. A lever, such as a screwdriver, can be inserted into the aperture and placed against each of the fulcrums to lever slugs out of the interior of the blade body.
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公开(公告)号：US10259051B2
公开(公告)日：2019-04-16
申请号：US15709614
申请日：2017-09-20
Applicant: IRWIN INDUSTRIAL TOOL COMPANY
Inventor： Joseph Thomas Novak , Matthew Christopher Green
IPC: B23B51/04
Abstract: A hole cutter has a substantially cylindrical blade body defining a blade body circumference, a cutting edge formed on one end of the blade body, and an axially-elongated slot formed through the substantially cylindrical blade body. The axially-elongated slot is configured to receive chips flowing from the cutting edge within the interior of the blade body and (i) into the slot and/or (ii) through the slot, to prevent the collection of such chips within the interior of the blade body and/or at an interface between the blade body and the work piece. The axially-elongated slot defines a first end adjacent to the cutting edge, a second end axially spaced further from the cutting edge, and a slot area. The hole cutter further defines a total slot area to blade body circumference ratio within the range of about 0.1 to about 0.3 depending on the size of the hole cutter.
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公开(公告)号：US10252352B2
公开(公告)日：2019-04-09
申请号：US15585982
申请日：2017-05-03
Applicant: IRWIN INDUSTRIAL TOOL COMPANY
Inventor： Joseph Thomas Novak , Matthew Christopher Green
IPC: B23B51/04
Abstract: A hole cutter has a cylindrical blade body including a cutting edge and one or more axially-elongated apertures formed within a side wall of the blade body. The axially-elongated aperture is configured to receive a lever, such as a screwdriver, therethrough. Each axially-elongated aperture includes a first fulcrum axially spaced adjacent to the cutting edge, a second fulcrum axially spaced further away from the cutting edge than the first fulcrum, and optionally a third fulcrum axially spaced between the first and second fulcrums. A lever, such as a screwdriver, can be inserted into the aperture and placed against each of the fulcrums to lever slugs out of the interior of the blade body.
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