Patents Examined by Nicole N Ramos
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Patent number: 11247279Abstract: An apparatus for guiding a rotary tool along a work piece corner edge formed by the intersection of two orthogonal planar surfaces, has a corner guide formed by two orthogonal planar components and defining a longitudinal axis from back to front. An adjustable tool holder assembly is affixed to the corner guide, includes a tool holder, and is configured to independently adjust a tool holder longitudinal position along the corner guide, a radial position of the tool holder relative to the corner guide, and an angular orientation of the tool holder rotating in a transverse plane orthogonal to the longitudinal axis.Type: GrantFiled: March 5, 2019Date of Patent: February 15, 2022Inventor: Eric Alvin Berube
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Patent number: 11229961Abstract: A cutting insert and a shoulder milling tool are disclosed. The cutting insert includes a surface-wiping secondary cutting edge inclined in relation to a median plane of the cutting insert such that a distance to the median plane decreases in a direction toward a corner cutting edge. The corner cutting edge, as seen in a side view along the median plane and towards a main cutting edge, has a concave curve.Type: GrantFiled: November 10, 2017Date of Patent: January 25, 2022Assignee: SANDVIK INTELLECTUAL PROPERTY ABInventors: Thomas Eriksson, Jorgen Jansson Udd
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Patent number: 11229960Abstract: A cutting insert and a shoulder milling tool are disclosed. The cutting insert includes a surface-wiping secondary cutting edge inclined in relation to a median plane of the cutting insert, such that a distance to the median plane decreases in a direction toward a corner cutting edge. A circumferential surface includes a clearance surface extending along a main cutting edge. The clearance surface along the main cutting edge extends at an acute angle to the median plane, such that the clearance surface forms a negative nominal clearance angle, and wherein the circumferential surface includes first and second abutment surfaces configured for abutment against axial and/or radial support surfaces of the milling tool, the abutment surfaces extending along at least part of the main cutting edge and the surface-wiping secondary cutting edge.Type: GrantFiled: November 10, 2017Date of Patent: January 25, 2022Assignee: SANDVIK INTELLECTUAL PROPERTY ABInventors: Thomas Eriksson, Jorgen Jansson Udd
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Patent number: 11219955Abstract: The milling cutter according to the present invention consists of insert holders where these insert holders project from a carrier disc which is adapted for clamping onto the spindle of a machine tool, and the individual holders are connected with one another by braces. Arms are provided between the holders and the carrier disc.Type: GrantFiled: September 21, 2020Date of Patent: January 11, 2022Assignee: Zapadoceska Univerzita V PlizniInventors: Miroslav Zetek, Vaclav Schornik
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Patent number: 11207741Abstract: A cutting insert may include a first surface having a polygonal shape, a second surface, and a cutting edge located on a ridge line where the first surface intersects with the second surface. The first surface may include a first corner, a second corner, a third corner, a first side, and a second side. In a plan view of the first surface, the first side may have a straight line shape or a convex shape protruded outward relative to a first imaginary line connecting the first corner and the second corner, and the second side may have a concave shape recessed inward relative to a second imaginary line connecting the first corner and the third corner.Type: GrantFiled: July 23, 2018Date of Patent: December 28, 2021Assignee: KYOCERA CorporationInventors: Hirohisa Ishi, Kazuki Yamamichi, Shohei Mao
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Patent number: 11203072Abstract: A saw blade can include a blade body having a cutting edge defined by multiple teeth. The teeth can be disposed in a repeating pattern including a raker tooth, a first set tooth having a light offset to a right side of the blade body, a second set tooth having a heavy offset to the left side of the blade body, a second raker tooth, a third set tooth having a light offset to the left side, and a fourth set tooth having a heavy offset to the right side of the blade body. Each tooth can include a tip, rake face, gullet having a gullet depth, and one or more clearance surfaces. The pitch distance and gullet depth of the heavy offset teeth can be less than the pitch distances and gullet depths of the remaining teeth to provide an increased amount of strength for the heavy offset teeth.Type: GrantFiled: November 13, 2019Date of Patent: December 21, 2021Assignee: BLACK & DECKER INC.Inventor: Justin Beach
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Patent number: 11198186Abstract: There is provided a cutting insert which is capable of cutting by using either one of both surfaces and is stably supported by a tool body. Each of a first end surface and a second end surface of a cutting insert includes a first inclined surface which is inclined from a diagonal line by which a corner portion connecting a first peripheral side surface and a second peripheral side surface and a corner portion connecting a third peripheral side surface and a fourth peripheral side surface are joined toward a corner portion connecting the first peripheral side surface and the fourth peripheral side surface such that a distance to an imaginary plane decreases, and a second inclined surface which is inclined from the diagonal line toward a corner portion connecting the second peripheral side surface and the third peripheral side surface such that a distance to the imaginary plane decreases.Type: GrantFiled: May 15, 2019Date of Patent: December 14, 2021Assignee: TUNGALOY CORPORATIONInventors: Hikaru Shiroma, Satoru Yoshida, Yuki Oikawa
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Patent number: 11192193Abstract: An object of this disclosure is to provide a cutting insert that is shaped so that a major cutting edge is not damaged easily. In the cutting insert, a major cutting edge, a corner edge, a flat cutting edge and an inner cutting edge are formed on at least an upper surface, a protruding portion protruding outward is formed in a major cutting edge side surface portion of a side surface that corresponds to the major cutting edge, and a first section is formed in which, when viewed from above, the protrusion amount becomes smaller as the protruding portion separates from the corner edge.Type: GrantFiled: May 15, 2020Date of Patent: December 7, 2021Assignee: TUNGALOY CORPORATIONInventor: Takahiro Aso
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Patent number: 11185933Abstract: A drill body and a drill are disclosed. The drill body has a rotational axis and comprises a central chip flute extending along a periphery of the drill body. A central chip flute cross-section has a centre line extending in a plane extending perpendicularly to the rotational axis, and through the rotational axis. The central chip flute cross-section has a depth, as seen along the centre line, and a width as seen perpendicularly to the centre line. The central chip flute cross-section has a maximum depth Dp within a range of Dp=0.75×D/2 to Dp=0.90×D/2, and a maximum width W within a range of W=0.75×D/2 to W=0.90×D/2, and wherein the maximum width W extends symmetrically about the centre line.Type: GrantFiled: May 3, 2018Date of Patent: November 30, 2021Assignee: SANDVIK INTELLECTUAL PROPERTY ABInventors: Rasmus Hemph, Hakan Carlberg
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Patent number: 11179785Abstract: A cutting insert includes a main surface formed in a substantially parallelogram shape and having a pair of acute angle corner portions and a pair of obtuse angle corner portions, a seating surface that faces a side opposite to the main surface, a side surface that connects the main surface and the seating surface to each other, a corner cutting edge disposed in the acute angle corner portion, and a main cutting edge and a subsidiary cutting edge which are respectively disposed in a pair of side ridge portions of the main surface located each other across the acute angle corner portion. A mounting hole into which the fixing member is inserted penetrates the main surface and the seating surface. The main cutting edge is inclined at an inclination angle equal to or larger than 8° with reference to a plane perpendicular to an axial direction of the mounting hole.Type: GrantFiled: December 11, 2017Date of Patent: November 23, 2021Assignee: MOLDINO TOOL ENGINEERING, LTD.Inventor: Syoujirou Touma
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Patent number: 11173554Abstract: A cutting tool comprises at least one cutting edge and at least one relief surface adjacent thereto. The relief surface is arranged to provide clearance behind the cutting edge between the cutting tool and a workpiece and comprises one or more grooves arranged to communicate, in use, a cutting media across the relief surface.Type: GrantFiled: May 22, 2018Date of Patent: November 16, 2021Assignee: GKN Aerospace Sweden ABInventors: Tore Hagward, Anders Wretland
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Patent number: 11173560Abstract: A cutter head (30) having stick blades (82) with a circular (62) or partially circular (72, 92, 102, 112, 122) cross-section wherein the circular part of the cross-section is dominating. The cutter head preferably includes cutter head slots (31) having a five-sided cross-section which will provide a defined positive seating between a clamp block (34) and the surfaces of the slots (35, 36). The stick blades cross-section preferably includes at least one flat section (77, 81, 98, 108, 109 118, 119, 128).Type: GrantFiled: November 14, 2017Date of Patent: November 16, 2021Assignee: THE GLEASON WORKSInventor: Hermann J. Stadtfeld
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Patent number: 11167361Abstract: A cutting insert includes a main body including a first face, a second face, and a third face. The second face includes a rake face. Among the outer-peripheral sides of the second face, the boundary portion with the first face is a main cutting edge. When viewed from the side where the first face is disposed, the main cutting edge includes a first straight portion, a second straight portion, and a curved portion. The first straight portion is located adjacent to a reference side. The second straight portion is arranged at a distance from the first straight portion. The curved portion connects the first straight portion and the second straight portion. A first intersection angle of the first straight portion with respect to the reference side is different from a second intersection angle of the second straight portion with respect to the reference side.Type: GrantFiled: March 17, 2020Date of Patent: November 9, 2021Assignee: Sumitomo Electric Hardmetal Corp.Inventor: Yuta Morisaki
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Patent number: 11167360Abstract: A processed article is manufactured with a tool including a cutting blade. The cutting blade is arranged to be in contact with two machined segment surfaces so that two contact points are defined between the two machined segment surfaces and the cutting blade in a corner. A machining pitch is set in a pick feed direction of the tool at the corner to a first machining pitch for when a part of the cutting blade corresponding to a projected shape of a side surface of the cutting blade having a first curvature radius is a cutting point. A cut is performed along a feed direction in the two adjacent machined segment surfaces successively at the corner so that the tool proceeds toward the corner in one of the machined segment surfaces and away from the corner in the other one of the machined segment surfaces.Type: GrantFiled: February 27, 2019Date of Patent: November 9, 2021Assignee: Daikin Industries, Ltd.Inventor: Tadashi Okada
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Patent number: 11161187Abstract: A cutting insert for a shoulder milling tool has a trigonal shape and includes a first surface, a second surface, and a circumferential surface extending between the first surface and the second surface. The circumferential surface includes a countersunk circumferential waist portion. The circumferential surface has a first and a second clearance surface extending along a first and a second main cutting edge. Each of the first and second clearance surfaces forma a negative nominal clearance angle. Each of the first and second main cutting edges is arranged inside the countersunk circumferential waist portion, as seen in the view towards the first and second surfaces, respectively.Type: GrantFiled: November 10, 2017Date of Patent: November 2, 2021Assignee: SANDVIK INTELLECTUAL PROPERTY ABInventors: Thomas Eriksson, Jorgen Jansson Udd
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Patent number: 11161178Abstract: A cutting insert according includes a first surface and a cutting edge. The first surface includes a first inclined surface and a projection. The first inclined surface includes a first region located close to a first corner portion, a second region located close to a second corner portion, and a third region located between the first region and the second region. The projection includes a first projection located close to the first corner portion and a second projection located close to the second corner portion. A first top portion of the first projection is located closer to the first corner portion than a first boundary portion between the first region and the third region, and a second top portion of the second projection is located closer to the second corner portion than a second boundary portion between the second region and the third region.Type: GrantFiled: October 23, 2017Date of Patent: November 2, 2021Assignee: KYOCERA CORPORATIONInventor: Yukihiro Kusuda
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Patent number: 11161186Abstract: The present invention is directed to a device that is removably secured to the exterior surface of a motor mounting plate to allow for milling of the mounting plate both in the field and off site. The adjustable attachment, positioning and securing frame of the device supports an operating frame that houses a travel mechanism and a cutting mechanism wherein a cutting tool attached to a cutting mechanism travels along a predetermined path, along and across the face of the motor mount plate, milling the surface of the motor mount plate true and flat.Type: GrantFiled: October 4, 2019Date of Patent: November 2, 2021Inventor: Brett Herrington
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Patent number: 11141795Abstract: A cutting tool, in particular for machining metal, is described. It comprises a tool main body that has at least one interface for receiving a cutting insert that can be attached to the tool main body. At least one cooling duct is provided in the tool main body and has, at its end on the interface side, an outlet section with an elongate outlet cross-section on the interface side. The tool main body is manufactured at least in sections by means of a generative manufacturing process. A method for manufacturing such a cutting tool is also presented.Type: GrantFiled: September 21, 2018Date of Patent: October 12, 2021Assignee: KENNAMETAL INC.Inventor: Sebastian Schleicher
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Patent number: 11123811Abstract: Multiple grooves are provided on the outer circumferential surface of the body of an insert holder. A first holding surface of an insert first holding part, which is inserted between a groove bottom and a first protrusion, and a first protrusion surface of the first protrusion make surface contact and said surfaces are sloped so as to approach the groove bottom as the first end is approached. A second holding surface of an insert second holding part, which is inserted between the groove bottom and a second protrusion, and a second protrusion surface of the second protrusion make surface contact and said surface are sloped so as to approach the groove bottom as the second end is approached.Type: GrantFiled: December 6, 2016Date of Patent: September 21, 2021Assignee: OSG CORPORATIONInventors: Jiro Osawa, Tomonori Yoda
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Patent number: 11117202Abstract: The present disclosure's technical object is to provide a high feed cutting insert capable of providing a sufficient entering angle while ensuring rigidity of a cutting tool's bottom part.Type: GrantFiled: March 13, 2018Date of Patent: September 14, 2021Assignee: KORLOY INC.Inventors: Sang Yong Lee, Young Nam Choi, Jae Man Park