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公开(公告)号：US20240269872A1
公开(公告)日：2024-08-15
申请号：US18169845
申请日：2023-02-15
申请人： Patrick Yeh , Tzu-Shuo Yeh
发明人： Patrick Yeh , Tzu-Shuo Yeh
摘要： The invention provides a bread knife including a blade and a handle. The blade has a slot and two edge portions. The slot is formed through the upper and lower sides of the blade. The two edge portions are located on two opposite sides of the slot. The knife handle is detachably disposed in the blade, and the knife handle has a holding portion, a supporting portion and a hook portion. The holding portion has a first end and a second end opposite to the first end. The supporting portion is connected to the second end of the holding portion and passes through the slot. The hook portion is disposed at an end of the supporting portion away from the holding portion and is engaged with the slot. The hook portion is located in the slot. The supporting portion passes through the slot to bend the blade into an arc.
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公开(公告)号：US11780102B2
公开(公告)日：2023-10-10
申请号：US17397535
申请日：2021-08-09
发明人： David R. Bloch , Chen Haisheng , Liang Houkun
CPC分类号： B26B5/00 , B26B9/00 , Y10T29/4973
摘要： A knife is provided that includes a replaceable blade element. The knife employs a blade carrier that is fixedly interconnected to or foldable with respect to a handle. The blade carrier selectively receives the replaceable blade element that is locked into the blade carrier by way of a hook and movable pin combination. The replaceable blade element is designed to be inserted within the blade carrier quickly, easily, and safely.
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公开(公告)号：US11707857B2
公开(公告)日：2023-07-25
申请号：US17979166
申请日：2022-11-02
发明人： David R. Bloch , Chen Haisheng , Liang Houkun
CPC分类号： B26B5/00 , B26B9/00 , Y10T29/4973
摘要： A knife is provided that includes a replaceable blade element. The knife employs a blade carrier that is fixedly interconnected to or foldable with respect to a handle. The blade carrier selectively receives the replaceable blade element that is locked into the blade carrier by way of a blade release mechanism by biasing an associated spring that is further associated with a blade release button. The replaceable blade element is designed to be inserted within the blade carrier quickly, easily, and safely. The replaceable blade element may abut an internal guide surface during insertion.
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公开(公告)号：US20230166412A1
公开(公告)日：2023-06-01
申请号：US17987278
申请日：2022-11-15
发明人： Mika Sokka , Mikko Heine , Tao Huang
摘要： A method of manufacturing a knife blade includes preparing a blade preform of a first material, depositing a second material which is harder than the first material on an edge of the blade preform by arc welding, and sharpening the deposited second material to prepare a knife blade with a sharp edge. A knife blade is also provided and includes a blade section of a first material, and an edge of the blade section is provided with an arc welded layer of a second material which is shaped as a sharp edge, where the second material is harder than the first material.
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公开(公告)号：US11642801B1
公开(公告)日：2023-05-09
申请号：US17856147
申请日：2022-07-01
申请人： DAREX, LLC
发明人： Daniel T Dovel
摘要： A utility blade includes a first blade retention feature positioned on a proximal edge of a tang of the utility blade. The proximal edge is angularly offset from a longitudinal axis of the utility blade. The first blade retention feature is associated with an engagement axis parallel to the longitudinal axis of the utility blade. The utility blade is configured to translate along the engagement axis to cause the first blade retention feature to engage with a first blade engagement component of a blade holder. The utility blade further includes a second blade retention feature positioned on a second edge of the tang of the utility blade. The second blade retention feature is positioned along the longitudinal axis of the utility blade and between the first blade retention feature and a distal tip of a cutting portion of the utility blade.
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公开(公告)号：US20190176350A1
公开(公告)日：2019-06-13
申请号：US16324623
申请日：2017-08-10
发明人： Andrew Wynne , Andrew Stockdale , Nicki Sutton , James Davies
摘要： A knife (10) having a body (16) with a handle (14) and a blade (12), the blade having two sides (22), an upper edge (18) and a sharp lower edge (20) for cutting, the body having an upper side which includes at least two indentations (42, 48) which are spaced apart from one another, wherein at least one of the indentations is formed in the upper edge of the blade.
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公开(公告)号：US20190022880A1
公开(公告)日：2019-01-24
申请号：US16142058
申请日：2018-09-26
申请人： Kyocera Corporation
发明人： Takanori NISHIHARA
IPC分类号： B26B9/02 , C04B35/488 , C04B35/486 , C04B35/119 , C04B41/00 , C04B35/645 , B26B9/00 , C04B35/64
CPC分类号： B26B9/02 , B26B9/00 , C04B35/119 , C04B35/486 , C04B35/488 , C04B35/4885 , C04B35/64 , C04B35/6455 , C04B41/0036 , C04B2235/3217 , C04B2235/3225 , C04B2235/3826 , C04B2235/3873 , C04B2235/5445 , C04B2235/5454 , C04B2235/604 , C04B2235/96
摘要： A ceramic cutting tool may include a blade body including zirconium oxide as a primary component of the blade body, wherein the blade body includes particles including any one of aluminum oxide, silicon carbide, or silicon nitride as a primary component of the particles, and wherein the blade body includes a blade part, a plurality of the particles are partially embedded and exposed on a top part of the blade part, and wherein the plurality of the particles cohere to each other to form a plurality of aggregates.
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公开(公告)号：US20180333871A1
公开(公告)日：2018-11-22
申请号：US16009136
申请日：2018-06-14
申请人： Slice, Inc.
发明人： Thomas Scimone , Scott Herbst , Alan Regala
摘要： The present invention generally relates to blades for utility knives, craft knives, box cutters, and other cutting tools. Specifically, this invention relates to cutting blades manufactured from ceramics.
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公开(公告)号：US20180250838A2
公开(公告)日：2018-09-06
申请号：US15113289
申请日：2015-01-22
发明人： Mark James Henry
CPC分类号： B26B9/00 , B21K11/02 , B22C7/02 , B22C9/22 , B22F3/225 , B22F5/10 , B22F2998/10 , B26B3/00 , B22F2003/244 , B22F2003/248
摘要： The present invention relates to a cutting blade such as a kitchen knife blade. The cutting blade comprises a cutting edge, a spine and opposite side surfaces. A tapered portion of the blade extends longitudinally and adjacent to the cutting edge in which a thickness of the blade defined as a transverse distance between the opposite side surfaces tapers towards the cutting edge. The cutting blade includes one or more broad recesses provided in one or more side surfaces of the blade, wherein at least one of the broad recesses is bounded at vertically opposite sides by the tapered portion and the spine and at longitudinally opposite sides by narrow supporting elements extending from the spine to the tapered portion. Embodiments of the cutting blade have a substantially reduced average wedge thickness which reduces cutting resistance to due to the wedging effect. Embodiments of the cutting blade provide a reduced total surface area of the one or more sides surfaces in contact with an item being cut by the blade which reduces cutting resistance due to friction between the side surfaces of the blade and the item. The present invention also provides for methods of forming a cutting blade, such as by near-net or additive manufacturing techniques.
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公开(公告)号：US20180229381A1
公开(公告)日：2018-08-16
申请号：US15430444
申请日：2017-02-10
申请人： Hao LEE
发明人： Hao LEE
摘要： A replaceable blade includes a blade provided in a long-strip shape. One side of the blade has a plurality of score lines, and each of the score lines is extended from two side edges and crossed the blade. Each score line includes a plurality of groove segments arranged collinearly, and the groove segments of each of the line scores are spaced apart from each other in a longitudinal direction of the score line. The replaceable blade has score lines in dashed line shapes to prevent an unexpected broken from happening.
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