Tool Having Detachable Cutting Edge Patents (Class 408/713)
  • Patent number: 10675049
    Abstract: A tissue removal device including customizable tips and method of use thereof. The tissue removal device may include an outer shaft having a removable tip attached to the outer shaft and a rotatable inner shaft extending through the outer shaft and having a rotatable cutting portion extending from the inner shaft. Disc material may be cut and removed from a surgical area using an auger-like and/or suction mechanism to facilitate the transfer of removed tissue away from the surgical area.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: June 9, 2020
    Assignee: Globus Medical Inc.
    Inventors: Samuel Yoon, Ryan Agard, Jason Pastor, Sean Suh, Daniel Waite
  • Patent number: 9827004
    Abstract: A tissue removal device including customizable tips and method of use thereof. The tissue removal device may include an outer shaft having a removable tip attached to the outer shaft and a rotatable inner shaft extending through the outer shaft and having a rotatable cutting portion extending from the inner shaft. Disc material may be cut and removed from a surgical area using an auger-like and/or suction mechanism to facilitate the transfer of removed tissue away from the surgical area.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: November 28, 2017
    Assignee: GLOBUS MEDICAL, INC.
    Inventors: Samuel Yoon, Ryan Agard, Jason Pastor, Sean Suh, Daniel Waite
  • Patent number: 9004827
    Abstract: An adjustable drill is provided comprising a drill body having at least one face surface with a plurality of serrations provided therewith. The drill further has at least one cartridge having a cooperating plurality of second serrations, to be driven with the drill body when assembled therewith. The at least one cartridge includes at least one insert pocket, and at least one insert is releasably affixed in the insert pocket provided in the cartridge. In further examples, the adjustable drill may have a central cutting system in combination with the adjustable cartridge type system, wherein the central cutting system may be modular. There may also be provided a modular type of holder arrangement to provide flexibility to adapt the system for various applications.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: April 14, 2015
    Assignee: Allied Machine & Engineering Corp.
    Inventors: Mark D. Meyer, Kevin D. Myers
  • Patent number: 8992142
    Abstract: A cutting tool has a tool shank and a replaceable cutting head resiliently secured to the tool shank by an interference fit between a male fixation member of the cutting head and a female fixation member of the tool shank. The male fixation member has a resilience slit. In each cross section of the cutting tool taken perpendicular to an axis of rotation of the cutting tool through mutual abutment regions, the cross sectional profiles of the mutual abutment regions are arcuate sectors.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: March 31, 2015
    Assignee: Iscar, Ltd.
    Inventor: Gil Hecht
  • Patent number: 8992136
    Abstract: A rotary-driven tool for cutting machining, in particular a drilling tool with a cutting body and a holder with a shaft piece is disclosed, with at least a cutter and a dovetail-shaped region on the cutting body and a matching dovetail recess on the holder. The cutting body can only be inserted in the holder laterally to a longitudinal axis of the holder. In order to fix the cutting body, opposing flank sections of the dovetail recess, between which the dovetail-shaped region fits can be moved over each other by means of a screw connection in the holder and on fixing the cutting body said body is subjected to a force on the axial direction by the screw connection. In one aspect, the cutting body is a cutting head and the axial force is exclusively generated by the dovetail-shaped region in cooperation with the dovetail recess in the holder.
    Type: Grant
    Filed: October 20, 2010
    Date of Patent: March 31, 2015
    Assignee: Guehring OHG
    Inventors: Markus Klettenheimer, Uwe Schlagenhauf
  • Patent number: 8950985
    Abstract: A rotating tool includes a plurality of elongated members, a cutting edge extending from at least one of the elongated members. A support is attached to each of the elongated members for holding the elongated members at a distance relative to an axis of rotation of the tool. A guiding pad extends radially outwardly from the axis relative to at least one of the elongated members. The tool is particularly useful for reaming operations in which it can be useful to have a tool with a large diameter and/or length.
    Type: Grant
    Filed: February 26, 2010
    Date of Patent: February 10, 2015
    Assignee: Seco Tools AB
    Inventor: Alain Durand-Terrasson
  • Patent number: 8944729
    Abstract: A tool for machining workpieces, having a shank and a cutting insert having a base body held in the shank. The shank has a slot accommodating the cutting insert. The body has a central section with a central axis. At least one convexly bowed centering surface running in the direction of the central section. At least one drive element originates from the central section. The slot in the shank has at least one interior surface region shaped to cooperate with the at least one centering surface.
    Type: Grant
    Filed: October 21, 2008
    Date of Patent: February 3, 2015
    Assignee: Mapal Fabrik fur Prazisionswerkzeuge Dr. Kress KG
    Inventor: Ulrich Krenzer
  • Patent number: 8926237
    Abstract: One non-limiting aspect of the present disclosure is directed to a multi-piece twist drill head. The multi-piece twist drill head includes a core piece formed from a first hard material, and a peripheral piece formed from a second hard material. The core piece and peripheral piece each comprise a cutting edge and are adapted to mate to provide a central region and a peripheral region, respectively, of the multi-piece twist drill head. A twist drill including the multi-piece twist drill head is also disclosed.
    Type: Grant
    Filed: July 11, 2011
    Date of Patent: January 6, 2015
    Assignee: Kennametal Inc.
    Inventors: X. Daniel Fang, Jean-Luc Dufour, David J. Wills
  • Patent number: 8876446
    Abstract: A cutting tool has a cutting insert secured in a tool shank by means of a clamping bolt, whereby two opposing side surfaces of a body portion of the cutting insert are located between two spaced apart protuberances of the tool shank. The body portion includes a cut-out extending between the two opposing side surfaces and opening out to a bottom surface. The cut-out includes an undercut with at least one undercut sub-surface with respect to a forward direction. The clamping bolt can be rotated from a locked position wherein the bolt shank has a threaded portion engaged in one of the protuberances and a bolt locking portion located directly forward of the at least one undercut sub-surface, to an un-locked position wherein the threaded portion remains engaged in the protuberance and no portion of the bolt shank is located directly forward of the at least one undercut sub-surface.
    Type: Grant
    Filed: March 28, 2012
    Date of Patent: November 4, 2014
    Assignee: Iscar, Ltd.
    Inventor: Philip Shaheen
  • Patent number: 8864425
    Abstract: A bevel head replaceable rotary tool is provided. The rotary tool includes a coupling protrusion and a coupling recess, plural sets of serrations provided on an outer circumferential surface of the coupling protrusion and an inner wall surface of the coupling recess, circumferential abutting portions provided on the tool body and the bevel head, and axial tight-contact portions, provided on the tool body and the bevel head. The serrations of the coupling protrusion and the serrations of the coupling recess arranged such that curvatures of circumferential circular arcs of the serrations of the coupling protrusion are greater than those of the serrations of the coupling recess or the serrations of the coupling protrusion and the serrations of the coupling recess have circumferential circular arcs with centers deviated from each other.
    Type: Grant
    Filed: February 4, 2009
    Date of Patent: October 21, 2014
    Assignee: OSG Corporation
    Inventors: Jiro Osawa, Tasuku Itoh
  • Patent number: 8845243
    Abstract: Reaming tool includes a head and one or more detachable cutting inserts fixed in seats. The seat includes radial, tangential and axial support surfaces, while the cutting insert has a mirror-symmetrical polyhedron shape comprising six limiting surfaces, viz. two chip surfaces and four clearance surfaces, a number of alternately usable identical cutting edges formed in the transitions between the chip and clearance surfaces. The cutting insert has a rhombic cross-sectional shape with four clearance surfaces, which meet each other in pairs at obtuse angles in two opposite corners, and which, along each individual chip surface, form two cutting edges alternately usable by indexing the cutting insert. The seat additionally includes a slope surface forming an obtuse angle with the radial support surface, suitably of the same magnitude as the obtuse angle between the clearance surfaces of the cutting insert. Tool head and reaming insert for the tool are disclosed.
    Type: Grant
    Filed: December 23, 2011
    Date of Patent: September 30, 2014
    Assignee: Sandvik Intellectual Property AB
    Inventor: Per Hansson
  • Patent number: 8840346
    Abstract: A drill, including: a substantially columnar drill holder including, at a front end portion thereof, a first insert pocket and a second insert pocket formed closer to the outer periphery of the drill holder than the first insert pocket; a first insert which is attached to the first insert pocket and includes a first cutting edge at an intersection of an upper face and a side face; and a second insert which is attached to the second insert pocket and includes a second cutting edge at an intersection of a upper face and a side face. The first insert pocket is located passing through a central axis of rotation of the drill holder. The second cutting edge has a concave shape when viewed from the front end side of the drill holder, and has a curved line at least a part thereof.
    Type: Grant
    Filed: May 15, 2009
    Date of Patent: September 23, 2014
    Assignee: Kyocera Corporation
    Inventor: Hirohisa Ishi
  • Patent number: 8840347
    Abstract: A drill of the loose top type, which is composed of a basic body and a replaceable loose top. In the front end of the basic body, a jaw is formed, which is delimited by two elastically bendable branches and an intermediate axial support surface, and in which the loose top can be securely pinched by inner support surfaces of the branches being resiliently pressed against side contact surfaces of the loose top. The two side contact surfaces of the loose top extend rearward from clearance surfaces that are included in the front end of the loose top. By forming the diametrical dimension between opposite side contact surfaces greater nearer the front end of the loose top, the branches of the jaw securely pinch the loose top in the area of the front ends thereof, where the branches have their maximal bending capacity.
    Type: Grant
    Filed: June 15, 2010
    Date of Patent: September 23, 2014
    Assignee: Sandvik Intellectual Property AB
    Inventor: Magnus Aare
  • Patent number: 8827606
    Abstract: One non-limiting aspect of the present disclosure is directed to a multi-piece spade drill head for a spade drill, wherein the spade drill includes an elongate body portion and a cutting portion removably secured to an end of the body portion. The multi-piece spade drill head includes at least two insert pieces, each piece including a cutting edge. The at least two insert pieces are configured to be removably secured to the body portion of the spade drill adjacent one another and with the cutting edges of the insert pieces aligned to together form a cutting edge on an end of the spade drill.
    Type: Grant
    Filed: July 13, 2010
    Date of Patent: September 9, 2014
    Assignee: Kennametal Inc.
    Inventors: X. Daniel Fang, Jean-Luc Dufour, David J. Wills
  • Patent number: 8827605
    Abstract: The invention discloses a drilling tool having at least one chip groove for chip removal, having an insert seat which is formed at the end of the chip groove and serves as a holder for an indexable insert with at least one main cutting edge on the two narrow sides and with at least one secondary cutting edge on the two longitudinal sides of one face side wherein the indexable insert has two face sides facing away from one another and bears with its inactive face side on a holding surface of the insert seat, and a partial region of the inactive secondary cutting edge of its active face side lies in the insert seat at a distance from the adjoining side wall of the insert seat created by a slot, and wherein a guide lip which covers the slot protrudes out of the top side of the side wall in the direction of the inactive secondary cutting edge.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: September 9, 2014
    Assignee: Kennametal Inc.
    Inventors: Peter Karl Mergenthaler, Berthold Heinrich Zeug
  • Patent number: 8807888
    Abstract: A tool shank for use with a cutting insert in a rotary cutting tool includes a body having, and adapted to be rotated about, a central longitudinal tool axis, the body having a tip portion structured to receive at least a portion of the cutting insert therein. The shank also includes a pair of chip flutes formed in the body and a pair of recesses, each recess bordering a respective chip flute. Each recess includes a rim portion extending perpendicular to the tool axis and a bearing surface extending at an incline relative to the tool axis. Each rim portion is adapted to engage a corresponding surface on the cutting insert. Each bearing surface is adapted to engage a corresponding bearing surface on the cutting insert in a manner such that the cutting insert is pulled against the body when the rotary cutting tool is rotated about the tool axis.
    Type: Grant
    Filed: February 1, 2013
    Date of Patent: August 19, 2014
    Assignee: Kennametal Inc.
    Inventors: Bernhard Borschert, Dieter Muhlfriedel, Jurgen Schwagerl, Ruy Frota de Souza, Jr., Michael D. Shultz, Michael R. McCormick, Robert A. Erickson
  • Patent number: 8764355
    Abstract: A step drill bit comprises a body. A cutting edge insert is removably attached to the body. The body may be made of a first material and the cutting edge insert may be made of a second material where the second material is different than the first material. The cutting edge insert may define a plurality of progressively larger cutting diameters.
    Type: Grant
    Filed: February 14, 2012
    Date of Patent: July 1, 2014
    Assignee: Irwin Industrial Tool Company
    Inventor: Laverne R. Durfee
  • Patent number: 8764352
    Abstract: A three-way indexable throwaway tip for deep-hole drilling can be used as a center cutting blade body for a drill head in either whole cutting type or uncut core break-off type applications. The throwaway tip for deep-hole drilling is of a thick plate body having a three-fold symmetry with three cutting sections that are rotationally spaced apart at a central angle of 120 degrees. When mounted on a drill head, one cutting section of the throwaway tip faces a drilling direction. The forward facing blade edge of that cutting section includes an inner blade edge shorter in blade length and an outer blade edge longer in blade length forming an apex. The outer blade edge is composed of two consecutive blade edge portions of a peak-side outer blade edge portion having a smaller outer blade edge angle and a corner-side outer blade edge portion having a larger outer blade edge angle.
    Type: Grant
    Filed: October 25, 2010
    Date of Patent: July 1, 2014
    Assignee: Unitac, Incorporated
    Inventor: Takuji Nomura
  • Patent number: 8753046
    Abstract: A drilling tool for machine tools has a drill body and a cutting head arranged on the front face of the drill body. The drill body has at least two chip flutes, which are delimited at their flanks by ribs and at least one of which is spirally curved. Arranged in the ribs of the drill body are coolant channels, which have an outlet opening at the end of the drill body on the cutting head side. A special feature is that the outlet openings are arranged within each one of the chip flutes and communicate with one of the coolant channels arranged in the ribs by way of a straight channel endpiece.
    Type: Grant
    Filed: July 29, 2008
    Date of Patent: June 17, 2014
    Assignee: Komet Group GmbH
    Inventors: Rico Schneider, Gerhard Stolz
  • Patent number: 8721235
    Abstract: The invention relates to a drilling tool with a base, having a central axis of rotation, and a drill bit, detachably connected to the base. The drill bit has a coupling part, which can be coupled with a coupling receptacle on the face of the base and has at least two convexly curved centring portions, which are arranged such that they are distributed over the circumference and engage with an exact fit in complementary concavely curved centring portions of the coupling receptacle. The coupling part has a complementary driver stop, meshing with a rotary driver of the coupling receptacle. It is claimed as novel that the centring portions of the coupling part and/or of the coupling receptacle have clamping surfaces, which run onto each other in the manner of a rotary wedge until the driver stop and the rotary driver come up against each other counter to a predetermined direction of rotation.
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: May 13, 2014
    Assignees: Komet Group GmbH, Hartmetall-Werkzeugfabrik Paul Horn GmbH
    Inventors: Uwe Kretzschmann, Rico Schneider, Henry Schuett, Matthias Luik, Matthias Oettle
  • Patent number: 8708614
    Abstract: A cutting knife for difficult-to-manipulate, chip-removing cutting tools, that is replaceably held in a knife window of a rotary-driven tool shaft of a base body, in which at least one knife holder that is connected to the cutting knife over a predetermined breaking point, and that assists with manipulation, is attached to the cutting knife, and is broken away for the tool shaft to be put to use.
    Type: Grant
    Filed: January 20, 2010
    Date of Patent: April 29, 2014
    Inventor: Heinrich Heule
  • Patent number: 8702357
    Abstract: One non-limiting aspect of the present disclosure is directed to a multi-piece spade drill head for a spade drill, wherein the spade drill includes an elongate body portion and a cutting portion removably secured to an end of the body portion. The multi-piece spade drill head includes at least two insert pieces, each piece including a cutting edge. The at least two insert pieces are configured to be removably secured to the body portion of the spade drill adjacent one another and with the cutting edges of the insert pieces aligned to together form a cutting edge on an end of the spade drill.
    Type: Grant
    Filed: February 10, 2009
    Date of Patent: April 22, 2014
    Assignee: Kennametal Inc.
    Inventors: X. Daniel Fang, Jean-Luc Dufour, David J. Wills
  • Patent number: 8684640
    Abstract: Reaming tool includes a head and a detachable cutting insert fixed in a seat. The seat includes radial, tangential, and axial support surfaces, while the cutting insert has a mirror-symmetrical polyhedron shape comprising six limiting surfaces, viz. two chip surfaces and at least two clearance surfaces, a number of alternately usable, identical cutting edges formed in transitions between the chip and clearance surfaces. A female- or male-like securing means co-operates with a complementary, male- or female-like securing means in the seat, more precisely in an inactive, contactless state as long as the cutting insert is held pressed by the cutting forces against the axial support surface. The securing means is activatable when the cutting insert is unintentionally distanced from the axial support surface against the action of a clamping member. Tool head and reaming insert for the tool are disclosed.
    Type: Grant
    Filed: December 23, 2011
    Date of Patent: April 1, 2014
    Assignee: Sandvik Intellectual Property AG
    Inventor: Per Hansson
  • Patent number: 8678723
    Abstract: A throw-away rotating tool improves workability of detaching a throw-away tip and prevents from damaging a body. In the throw-away tool, a convex connection for the throw-away tip has protrusions, each of the protrusion includes a sliding contact portion detachably fitted into the inner peripheral groove recessed in the inner peripheral wall of a body. The protrusion has a first tilt portion continuous to the sliding contact portion. In detaching the throw-away tip from the body, the first tilt portion rotates ahead of the sliding contact portion, and a standing portion is elastically deformed due to a wedge effect of the first tilt portion. As a result, the protrusion can be gently removed from the inner peripheral groove.
    Type: Grant
    Filed: August 18, 2009
    Date of Patent: March 25, 2014
    Assignee: OSG Corporation
    Inventors: Jiro Osawa, Takuma Aoyama, Tasuku Itoh
  • Patent number: 8678722
    Abstract: A rotatable tool for chip removing machining, including a basic body having front and rear ends between which a first center axis (C1) extends around which the basic body is rotatable, and a loose top having front and rear ends between which a second center axis (C2) extends. The front end of the basic body includes a jaw which is delimited by two torque-transferring drivers and an intermediate bottom in which a part of the loose top is receivable, and a center hole that mouths in the bottom of the jaw and has a hole wall which extends axially inside the basic body and in which a threaded hole mouths for a screw to co-operate with a centering pin that protrudes axially rearward from the loose top, the centering pin being insertable into the center hole. The centering pin has a cross-sectional area that is less than a cross-sectional area of the center hole.
    Type: Grant
    Filed: June 18, 2010
    Date of Patent: March 25, 2014
    Assignee: Sandvik Intellectual Property AB
    Inventor: Magnus Aare
  • Patent number: 8556552
    Abstract: A metal cutting tool has a cutting head releasably mounted on a front end of a tool shank, in a self-clamping manner. The tool shank's forward end is provided with a pair of shank coupling portions, each having a forwardly facing shank support surface. A pocket recess is defined between the shank's coupling portions. Within the pocket recess are a plurality of shank fixation surfaces which are parallel to a longitudinal axis of the tool shank. The cutting head has a cap portion and a fixation portion extending in rearward direction therefrom. The cap portion includes a pair of head segments, each having a rearwardly facing head base surface. The cutting head's fixation portion has a plurality of head fixation surfaces which are parallel to a longitudinal axis of the cutting head.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: October 15, 2013
    Assignee: Iscar, Ltd.
    Inventor: Gil Hecht
  • Patent number: 8517644
    Abstract: An adjustable drill has a drill body having a face surface with a directional feature provided therewith. At least one cartridge is mounted adjacent the face surface and selectively slidable along the directional feature to provide adjustment. At least one insert is releasably affixed in an insert pocket provided in the cartridge. In further examples, the adjustable drill may have a central cutting system in combination with the adjustable cartridge type system, wherein the central cutting system may be modular. There may also be provided a modular type of holder arrangement to provide flexibility to adapt the system for various applications.
    Type: Grant
    Filed: September 14, 2009
    Date of Patent: August 27, 2013
    Assignee: Allied Machine & Engineering Corporation
    Inventors: Mark D. Meyer, Kevin D. Myers
  • Patent number: 8506212
    Abstract: An adjustable drill has a drill body having a face surface with a directional feature provided therewith. At least one cartridge is mounted adjacent the face surface and selectively slidable along the directional feature to provide adjustment. At least one insert is releasably affixed in an insert pocket provided in the cartridge. In further examples, the adjustable drill may have a central cutting system in combination with the adjustable cartridge type system, wherein the central cutting system may be modular. There may also be provided a modular type of holder arrangement to provide flexibility to adapt the system for various applications.
    Type: Grant
    Filed: September 12, 2008
    Date of Patent: August 13, 2013
    Assignee: Allied Machine & Engineering Corporation
    Inventors: Mark D. Meyer, Kevin D. Myers
  • Patent number: 8485765
    Abstract: An indexable insert for solid drills has four identical cutting edges (30) arranged at a distance above a supporting base (42) and each extending between two cutting-edge corners (28?, 28?). The cutting edges are each bounded by a cutting face (46) and a clearance face (48), with the inclusion of a wedge angle (b). Of the cutting edges (30), one in each case is in an active operating position during the drilling operation. To permit optimum adaptation to the cutting conditions and drilling characteristics, varying over the length of the cutting edge of the drilling tool, it is proposed according to the invention that the height (h) of the four cutting edges (30), measured from the plane of the supporting base (42), and/or the clearance angle (a) varies over the length of the respective cutting edges (30).
    Type: Grant
    Filed: August 31, 2007
    Date of Patent: July 16, 2013
    Assignee: Komet Group GmbH
    Inventors: Jacek Kruszynski, Uwe Kretzschmann, Hendrik Nitzsche, Henry Schuett
  • Patent number: 8480338
    Abstract: An adjustable drill having a drill body having a longitudinal axis, and a face surface including an aperture extending into the drill body. A directional feature adjacent the aperture extends toward an edge of the drill body, and a longitudinal gullet extends from the face surface along at least a portion of the drill body. A cartridge adjacent the face surface is selectively slidable along the directional feature, and a cutting face having an insert pocket positioned adjacent the edge of the drill body in which an insert is releasably affixed.
    Type: Grant
    Filed: June 6, 2008
    Date of Patent: July 9, 2013
    Assignee: Allied Machine & Engineering Corporation
    Inventors: Mark D. Meyer, Kevin D. Myers
  • Patent number: 8480337
    Abstract: A drill has inner and outer inserts. The drill includes a drill body having a rotational axis; an inner insert mounted adjacent to the axis at a proximal end of the drill body having an axis-symmetrical contour having four cutting edges and four rounded corners; and an outer insert identical to the inner insert being mounted farther away from the axis than the inner insert. Loci of the inner and the outer insert partially overlap. At the overlapping region, the cutting edge of the inner insert and the cutting edge of the outer insert extend toward the axis in a direction to a workpiece and the locus of the cutting edge of the inner insert protrudes in a direction to the workpiece along the axis of the drill body compared to the locus of the cutting edge of the outer insert.
    Type: Grant
    Filed: June 14, 2007
    Date of Patent: July 9, 2013
    Assignee: TaeguTec, Ltd.
    Inventor: Byung Gyun Bae
  • Patent number: 8475090
    Abstract: An insert includes a body portion and at least one cutting edge disposed on the periphery thereof. The cutting edge includes an inner lip and an outer lip disposed at an angle with respect to one another. A line extending along the inner lip intersects with a line extending along the outer lip at the vertex of the angle. The angular cutting edge further includes a protuberance disposed between, and connecting the inner and outer lips and projecting outwardly away from the body portion beyond the vertex of the angle defined by the intersection of the lines extending from the inner and outer lips. The protuberance having an inner lip connected to the inner lip of the cutting edge and an outer lip connected to the outer lip of the cutting edge to form smooth curvilinear transitions between the lips of the protuberance and the lips of the cutting edge.
    Type: Grant
    Filed: September 8, 2008
    Date of Patent: July 2, 2013
    Assignee: Kennametal Inc.
    Inventors: Peter Karl Mergenthaler, Berthold Heinrich Zeug, Horst Manfred Jaeger
  • Patent number: 8454608
    Abstract: A single use intramedullary reamer comprised of a reamer head assembly and a reamer shaft. The reamer head assembly further comprising a series of reamer blades that reside in a series of surface slots that are helically oriented around the cylindrical body. The series of reamer blades are bonded with the cylindrical body through induction bonding.
    Type: Grant
    Filed: December 7, 2010
    Date of Patent: June 4, 2013
    Assignee: Greatbatch Ltd.
    Inventors: Gary Victor, Patrick W. White
  • Patent number: 8449227
    Abstract: A rotatable tool for chip removing machining including a basic body and a loose top; the body includes two torque-transferring drivers and an intermediate bottom in which a rear coupling part of the loose top is receivable, and a center hole that mouths in the intermediate bottom. A centric pin is insertable into the center hole, and a screw is accessible from the outside of the basic body. The coupling part includes a pair of side contact surfaces which cooperate with a pair of side support surfaces on the drivers of the basic body for the transfer of torque and negative axial forces between the coupling part and the drivers.
    Type: Grant
    Filed: June 8, 2010
    Date of Patent: May 28, 2013
    Assignee: Sandvik Intellectual Property AB
    Inventor: Åke Danielsson
  • Patent number: 8430609
    Abstract: A tool for rotary cutting machining includes a tool body and a replaceable cutting head detachably attachable to the tool body. The cutting head has a coupling portion which is receivable in a space between two axially projecting coupling legs of the tool body. Cylindrical internal gripping surfaces are arranged in said space and designed for engagement with corresponding cylindrical external gripping surfaces of the cutting head. The gripping surfaces of the cutting head and the gripping surfaces of the tool body are dimensioned so as to prevent, by engagement with each other, the cutting head from being displaced in axial direction away from the tool body when the cutting head is attached to the tool body. A tool body and a cutting head included in such a tool are also disclosed.
    Type: Grant
    Filed: April 14, 2009
    Date of Patent: April 30, 2013
    Assignee: Seco Tools AB
    Inventor: Stefan Frejd
  • Patent number: 8403604
    Abstract: Rotatable multi-operation tool including replaceable cutting inserts of different types, and a basic body rotatable around a center axis with rear and front ends from which there is extending rearward an envelope surface in which at least one chip space is countersunk, which opens in the envelope surface and in the front end. A first cutting insert type is mounted in a first insert seat formed in one side surface of the chip space in the immediate vicinity of the front end and included in a cavity opening in the front end for the cutting insert to partly protrude axially forward from the front end. A second cutting insert type is mounted in a second insert seat formed in the same side surface as the first insert seat and situated axially behind the first insert seat and included in a cavity opening in a part of the envelope surface.
    Type: Grant
    Filed: May 11, 2012
    Date of Patent: March 26, 2013
    Assignee: Sandvik Intellectual Property AB
    Inventor: Sture Sjöö
  • Patent number: 8393832
    Abstract: The invention relates to a tool (1) for machining workpieces, having a base body (3), at least one geometrically defined culling edge (15, 17) on which a face (21) abuts, a chip space (47, 53) associated with the cutting edge for receiving the chips removed by the cutting edge (15, 17), and a chip guide element (27, 29) associated with the cutting edge (15, 17). The tool is characterized in that the cutting edge (15, 17) together with the chip guide element (27, 29) forms a receiving gap (43, 45) which merges into the chip space (47, 53) and into which the chips removed by the cutting edge (15, 17) are introduced, and the chip guide element (27, 29) has a guide surface (39, 41) which, together with the face (21), forms a receiving channel (51) which abuts the receiving gap (43, 45).
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: March 12, 2013
    Assignee: Mapal Fabrik fur Prazisionswerkzeuge Dr. Kress KG
    Inventor: Dieter Kress
  • Patent number: 8382403
    Abstract: A throwaway drill, an insert provided on the throwaway drill, and a cutting method using the same. The throwaway drill has a throwaway drill holder including an inner edge insert pocket having a seat, formed on a central axis side of a tip end of a drill main body, and an outer edge insert pocket having a seat, formed on the outer peripheral side of the tip end; an inner edge insert fixed to the seat of the inner edge insert pocket; and an outer edge insert fixed to the seat of the outer edge insert pocket.
    Type: Grant
    Filed: March 28, 2007
    Date of Patent: February 26, 2013
    Assignee: Kyocera Corporation
    Inventor: Takashi Okumura
  • Patent number: 8376669
    Abstract: A drill includes a tool body having a fluted portion having a second end and a tool head portion, having a cutting tip and at least one cutting edge, removably connected to the second end of the fluted portion. The fluted portion includes a receiving pocket disposed in the second end and is defined by a peripheral side wall extending about the periphery of the receiving pocket. The tool head portion includes a driving projection configured to be inserted into the receiving pocket. The driving projection and receiving pocket have corresponding elongated, curvilinear, dog-bone shapes. The driving projection includes a first end portion, a second end portion, and a central portion disposed between connecting the first end portion and the second end portion. The first end portion and the second end portion each have a width that is substantially greater than a width of the central portion.
    Type: Grant
    Filed: September 16, 2008
    Date of Patent: February 19, 2013
    Assignee: Kennametal Inc.
    Inventors: Horst Manfred Jaeger, Peter Karl Mergenthaler, Berthold Heinrich Zeug
  • Patent number: 8371778
    Abstract: A cutting tool insert and holder therefore, the drill insert having a helical geometry corresponding to helical flutes in a drill body holder which enable the drill tool assembly to more efficiently remove chips from a hole during operation, the drill insert comprising a drill insert body having a first end opposite a second end, a plurality of helical flutes formed in the drill insert body, a plurality of cutting edges formed at the interfaces of the plurality of helical flutes and the first end of the drill insert body, and an aperture formed in each helical flute.
    Type: Grant
    Filed: May 12, 2011
    Date of Patent: February 12, 2013
    Assignee: Allied Machine & Engineering Corp.
    Inventors: Steven R. Stokey, Martin Alan Jackson, Joseph P. Nuzzi, Wendell E. Mast
  • Patent number: 8366358
    Abstract: A rotary cutting tool that is composed of a tool shank with at least one chucking groove or chip flute and one exchangeable cutting insert. At the tip of the shank a recess for accommodating the cutting insert is provided. The tool shank, on its circumference, has a limb with a bearing surface that is inclined relative to the tool axis and that corresponds to a likewise inclined bearing surface on a wing of the cutting insert. The inclination of the bearing surfaces produces an axial force that retains the cutting insert on the tool shank.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: February 5, 2013
    Assignee: Kennametal Inc.
    Inventors: Bernhard Borschert, Dieter Mühlfriedel, Jürgen Schwägerl, Ruy Frota De Souza, Jr., Michael D. Shultz, Michael R. McCormick, Robert A. Erickson
  • Patent number: 8360693
    Abstract: In one advantageous embodiment, an apparatus may comprise a boring bar, a slot, a channel, a centering pin, and an adjustment system. The slot may extend substantially perpendicular to an axis extending through the boring bar. The slot may be configured to receive a cutting unit. The channel may be located within the boring bar extending substantially along the axis. The centering pin may be moveably located within the channel and configured to selectively engage a centering feature in the cutting unit. The adjustment system may be configured to position the centering pin relative to the channel in a plurality of axes.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: January 29, 2013
    Assignee: The Boeing Company
    Inventors: Michael D. Katzenberger, Ike C. Schevers, James A. Hammond, Jr., George E. Anderson
  • Patent number: 8360694
    Abstract: A rotatable multi-operation tool for chip removing machining, including a plurality of replaceable cutting inserts of different types, and a basic body that is rotatable around a center axis and includes a rear end and a front end from which there is extending rearward an envelope surface in which at least one chip space, delimited by two opposite side surfaces, is countersunk, which opens in the envelope surface and in the front end. A first cutting insert is mounted in a first insert seat that is formed in one side surface of the chip space and situated in the immediate vicinity of the front end and included in a cavity that opens in the front end for the cutting insert to partly protrude axially forward from the front end. A second cutting insert, of a type other than the first cutting insert, is mounted in a second insert seat, which is formed in the same side surface as the first insert seat and situated axially behind the first insert seat.
    Type: Grant
    Filed: December 5, 2007
    Date of Patent: January 29, 2013
    Assignee: Sandvik Intellectual Property AB
    Inventor: Sture Sjöö
  • Patent number: 8353646
    Abstract: A tool for machining borehole surfaces, includes a base body, a cutting device having at least one cutting die with at least one geometrically defined tool edge, and at least one guide surface for guiding the tool (1) inside the machined borehole. The at least one cutting die being tangentially fastened to the end face of the tool, and preferably embedded therein, The at least one cutting die is provided with a rounded cut for producing a support surface adjacent to the tool edge is produced, the support surface being arched with a radius that is smaller than the radius of the borehole to be machined, and the region of the support surface directly adjoining the tool edge resting against the borehole wall to be machined, and the end region of the support surface, as viewed in the peripheral direction of the tool, which is situated at a distance from the tool edge being situated at a distance from the wall of the borehole.
    Type: Grant
    Filed: July 13, 2006
    Date of Patent: January 15, 2013
    Assignee: Mapal Fabrik fur Prazisionswerkzeuge Dr. Kress KG
    Inventors: Dieter Kress, Friedrich Häberle
  • Patent number: 8328477
    Abstract: A cutting tool including a body, a blade, a feed shaft, and a locking member. The body defines an axis and is adapted to be received by a spindle of a power tool. The blade is removably supportable on the body and rotatable about the axis for cutting a workpiece. A feed shaft is removably supportable in the body and rotatable about the axis for engaging a workpiece, the feed shaft being mountable in the cutting tool to engage and at least partially restrain the blade. The feed shaft further includes an opening transverse to the axis. The locking member is engageable with the body and with the opening in the feed shaft. Advancement of the locking member into the opening tightens both the blade and the feed shaft to the body.
    Type: Grant
    Filed: November 5, 2008
    Date of Patent: December 11, 2012
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Douglas Allen, Richard Hohnl, Jr.
  • Patent number: 8292553
    Abstract: An insert for a deburring tool is used to machine openings of bores that are formed in metal work pieces. In an exemplary embodiment, the insert has an inward portion, a central portion connected to the inward portion, and an outward portion connected to the central portion. The central portion has a dovetail-shaped retaining feature that attaches the insert to the deburring tool.
    Type: Grant
    Filed: June 8, 2009
    Date of Patent: October 23, 2012
    Assignee: E-Z Burr Tool Company
    Inventors: William A. Robinson, James R. Robinson
  • Patent number: 8292554
    Abstract: Device for deburring bore edges comprising a base body in which at least one recess transversally oriented relative to the longitudinal axis thereof is formed, at least one spring-loaded blade is slidingly displaceable in a longitudinal direction of the recess and a compression spring is disposed in the base body longitudinal bore and is supported by an end of a control bolt whose other end is engaged in a control recess formed in the blade for providing it with a retaining force in a displacement direction. The invention is characterized in that the base body for deburring the bores of a diameter<20 mm, comprises on the front thereof a smaller-diameter guide sleeve which is provided with a longitudinal bore formed therein forming a sliding guide element for guiding the control bolt tip sliding in said bore.
    Type: Grant
    Filed: November 2, 2005
    Date of Patent: October 23, 2012
    Inventor: Heinrich Heule
  • Patent number: 8231314
    Abstract: A cutting insert includes a body having a first surface, a second surface, and an intermediate surface. The intermediate surface includes a generally cylindrical main surface and at least one recess surface extending radially inwardly from the main surface, the main surface and the recess surface extending between the first surface and the second surface. Cutting edges are defined by intersections between the main surface and the recess surface.
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: July 31, 2012
    Assignee: Seco Tools AB
    Inventor: Alain Durand
  • Patent number: 8192113
    Abstract: A drill includes a center insert which is indexable, mounted in a center pocket, and has an elongate basic shape. One of two opposite longitudinal side contact surfaces of the cutting insert which run parallel to each other are urged against the side support surface of the center pocket. The side support surface of the center pocket is inclined in relation to the center axis of the drill body at an acute angle within the range of 3-8 degrees. An intermediate surface is formed between the side contact surface and an end surface. The intermediate surface is shorter than the side contact surface and forms an obtuse angle with the side contact surface.
    Type: Grant
    Filed: January 24, 2008
    Date of Patent: June 5, 2012
    Assignee: Sandvik Intellectual Property AB
    Inventors: Michael Limell, Sören Sjöberg
  • Patent number: 8157489
    Abstract: A tool for chip removing machining, including a basic body and two replaceable cutting inserts. Each insert includes a chip-removing main edge situated between a chip surface and a clearance surface, a first insert of which precedes a second insert during machining of a workpiece. The cutting inserts overlap each other in a zone defined by a borderline along which a surface generated by the main edge of the first cutting insert, with a time delay, is intersected by the main edge of the subsequent, second cutting insert. The main edge of the second cutting insert that afterwards intersects the already generated surface, is formed along a chip surface including primary and secondary sections, which have different shapes in cross-sections spaced-apart along the main edge in order to form a primary part edge and a secondary, reinforced part edge arranged to intersect the already generated surface.
    Type: Grant
    Filed: July 6, 2007
    Date of Patent: April 17, 2012
    Assignee: Sandvik Intellectual Property AB
    Inventors: Mathias Wolf, Michael Limell