Radially Patents (Class 407/37)
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Patent number: 9925603Abstract: A processing method for a surface of a workpiece using a rotating cutting tool, includes a processing method for forming a cut pattern by rotationally cutting a surface of a workpiece using a rotating cutting tool having cutting edges extending in a rotation axis direction at a plurality of circumferentially separated positions on an outer circumference of a body thereof. Each of the cutting edges includes a plurality of segmental edges segmented at an equal pitch in the rotation axis direction. A ratio of depth d to width W (d/W) of a knife mark formed on the surface of the workpiece by the segmental edges is not less than 3/100.Type: GrantFiled: October 31, 2014Date of Patent: March 27, 2018Assignee: KANEFUSA KABUSHIKI KAISHAInventor: Toshihiro Yajima
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Patent number: 9555487Abstract: End mill cutter having a plurality of cutting edges distributed over the circumference of the mill cutter, having a flank which is adjacent to the respective cutting edge in the circumferential direction and a supporting surface which adjoins the flank on that side which faces away from the cutting edge in the circumferential direction.Type: GrantFiled: May 19, 2009Date of Patent: January 31, 2017Assignee: KENNAMETAL INC.Inventor: Uwe Hobohm
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Patent number: 9475138Abstract: A cutting tool (has a central, longitudinal axis and a tool body including an insert pocket with a bottom wall, a rear wall and at least one side wall. A cantilevered member is machined from the tool body so as to be integrally formed with the tool body. The cantilevered member extends from one of the walls of the insert pocket. An adjustment screw exerts a force against the cantilevered member to selectively adjust a position of a cutting insert mounted on the cantilevered member with respect to the central, longitudinal axis of the cutting tool. A method for selectively adjusting a position of the cutting insert is also disclosed.Type: GrantFiled: January 22, 2014Date of Patent: October 25, 2016Assignee: KENNAMETAL INC.Inventors: Lewis Ray Morrison, Ravishankar Iyer, Scott Patrick Rusnock
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Patent number: 9265510Abstract: An apparatus includes a cut guide including a locking area, an alignment guide, and a connect mechanism to connect the cut guide to the alignment guide, wherein the connect mechanism includes a cone lock connect mechanism configured to engage with the cut guide locking area.Type: GrantFiled: February 6, 2013Date of Patent: February 23, 2016Assignee: Zimmer, Inc.Inventors: Steven E. Dietzel, Tim Yoko, Anthony Romano, Jeffery A. VanDiepenbos, Nolan C. Jones
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Patent number: 8985914Abstract: In a cutting tool for chip removing machining a holder for a cutter has a body received therein and movable with surfaces to bear against the cutter for defining the position of the cutter in the direction of an intended axis of rotation of the holder as well as a screw which may be screwed in a threaded bore in the holder. Spring members are arranged to act between the holder and the body for biasing the body against said screw portions.Type: GrantFiled: May 15, 2007Date of Patent: March 24, 2015Assignee: Seco Tools ABInventor: Mikael Jansson
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Patent number: 8961075Abstract: A milling tool for slot milling includes a tool body and a plurality of separated first seats, which form root insert seats for root inserts arranged one after the other along a first line and a plurality of separated flank insert seats that includes a plurality of second seats for flank inserts . The plurality of second seats is arranged one after the other along a second line on a primary side of the root insert seats. A plurality of third seats for flank inserts is arranged one after the other along a third line on a secondary side of the root insert seats. Each flank insert seat includes a bottom surface, an inner side surface, and an outer side surface. Each flank insert includes an under side, an opposite upper side, and a circumferential edge side that forms a rake face connecting the upper side and the underside.Type: GrantFiled: April 29, 2013Date of Patent: February 24, 2015Assignee: Sandvik Intellectual Property ASInventor: Thomas Sågström
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Patent number: 8961074Abstract: The present invention is directed to a cutting tool, comprising: at least one cutting insert; a tool body including a pocket portion to which the cutting insert is mounted; a means for fixing the cutting insert to the pocket portion of the tool body; and a screw for finely adjusting the position of the cutting insert fixed to the pocket portion of the tool body. The screw has a head portion, a threaded portion and a portion for connecting the head portion to the threaded portion. The pocket portion has a bottom surface with a screw hole formed thereon into which the threaded portion is fastened. It also has a side wall comprising a surface for closely contacting the head portion of the screw. The head portion of the screw closely contacts and resiliently pressurizes the close contact surface of the pocket portion when the threaded portion is fastened into the screw hole.Type: GrantFiled: November 21, 2006Date of Patent: February 24, 2015Assignee: TaeguTec, Ltd.Inventors: Chang Hee Choi, Chang Gyu Park
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Patent number: 8956090Abstract: Milling cutter and method of operating same, and other machine tools, and an adjustment mechanism therefor. A cutting insert is adjusted by moving a resilient web with an adjusting screw.Type: GrantFiled: October 26, 2010Date of Patent: February 17, 2015Assignee: Kennametal Inc.Inventor: Rainer Kuchler
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Publication number: 20140308082Abstract: A head replacement-type cutting tool having a holder provided at the attachment hole with the fitting part formed in a tapered shape, and the leading end face is perpendicular to the central axis. The attachment part formed in a tapered shape protrudes on the cutting head from the rear end face perpendicular to the central axis of the cutting part. The cutting head is attached to the holder in such a manner that the attachment part is fitted into the fitting part by screwing the female thread part with the male thread part and the leading end face is in contact with the rear end face. The inner diameter to outer diameter ratio d/D1 which is a ratio of the inner diameter d of the fitting part before being fitted in relation to the outer diameter D1 of the leading end part of the holder is from 0.5 to 0.8.Type: ApplicationFiled: October 17, 2011Publication date: October 16, 2014Inventors: Taro Abe, Yoshihiko Kimura, Takayuki Azegami
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Patent number: 8641334Abstract: An insert attached to a tool body of a hole machining tool having an attachment seat and a pressing member for pressing the insert to adjust the position of a peripheral cutting edge in a diameter direction of the tool. The insert has a panel shape. One surface of the insert in a thickness direction provides a seating surface, the other surface in the thickness direction provides a peripheral flank surface. A surface facing the rear side of the insert in a tool rotation direction provides a pressed surface in a state that the insert is attached to the attachment seat. A side surface facing the front side in the tool rotation direction provides an inclined surface, and a peripheral cutting edge is formed at a ridge portion outside of the inclined surface in the diameter direction of the tool.Type: GrantFiled: February 11, 2010Date of Patent: February 4, 2014Assignee: Mitsubishi Materials CorporationInventors: Syoji Takiguchi, Akira Kanaboshi, Kunihiro Endo
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Patent number: 8545134Abstract: A milling or boring tool has a main tool body rotatable about a tool axis and a cutting element which can be fastened to the main tool body and which has a cutting portion or a cutting insert seat for receiving a cutting insert. To provide a fastening system for fastening the cutting element to the main tool body, which is to be easily implemented at low cost, which allows highly accurate positioning of the cutting element on the main tool body, and which permits very rapid exchange of the cutting element, a centering pin is arranged parallel to the boring axis with an axis that does not coincide with the tool axis and is connected on one part, the main tool body or the cutting element, and a corresponding centering opening is provided on the other part, the cutting element or the main tool body.Type: GrantFiled: July 7, 2009Date of Patent: October 1, 2013Assignee: Sandvik Intellectual Property ABInventor: Peter Frank
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Patent number: 8327742Abstract: A rotating head and a corresponding method of removing material employing a base having a substantially planar underside, a plurality of bit holder assemblies connected to the base and holding a corresponding plurality of bits via the assemblies, and apparatus permitting adjusting cutting surfaces of the bits to be held at different distances from the underside, which enables removing material from a target by presenting it to the rotating base and thereby engaging the cutting surfaces with the target.Type: GrantFiled: March 7, 2008Date of Patent: December 11, 2012Assignee: Lockheed Martin CorporationInventor: James A. Austin
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Patent number: 7887265Abstract: A system for attaching a cutting member to a cutter body includes a pin, a clamping bolt and an adjustment bolt. The pin has a longitudinal axis and at least a first attachment bore and a second attachment bore. The clamping bolt has a clamping section which is formed to releasably secure the cutting member to the cutter body and has a first attachment section which is formed to be releasably secured in the first attachment bore of the pin. The system may have an adjustment bolt that has an adjustment section which is formed to adjust the position of the cutting member relative to the cutter body and has a second attachment section which is formed to be releasably secured in the second attachment bore of the pin.Type: GrantFiled: March 5, 2008Date of Patent: February 15, 2011Assignee: Iscar, Ltd.Inventor: Gil Hecht
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Patent number: 7862266Abstract: A recess and an attachment seat are formed in a front end of a tool body. A panel-shaped insert attached to the attachment seat where the thickness direction is matched with the diameter direction of the tool body and a surface of the insert facing the rear in a tool rotation direction becomes a pressed surface. A peripheral cutting edge is formed at a ridge of an inclined surface on the outside in the diameter direction of the tool body, a bevel edge is formed at a ridge on the front side of the tool body, and a back taper is attached to the peripheral cutting edge. A pressing member for pressing the pressed surface of the insert to adjust a position of the peripheral cutting edge in the diameter direction of the tool body is disposed on the rear side of the attachment seat in the tool rotation direction.Type: GrantFiled: May 23, 2007Date of Patent: January 4, 2011Assignee: Mitsubishi Materials CorporationInventors: Syoji Takiguchi, Akira Kanaboshi, Kunihiro Endo
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Patent number: 7841812Abstract: Milling cutter and method of operating same, and other machine tools, and an adjustment mechanism therefor. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72(b). As stated in 37 C.F.R. §1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading “Abstract of the Disclosure.” The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner.Type: GrantFiled: November 30, 2007Date of Patent: November 30, 2010Assignee: Kennametal Inc.Inventor: Rainer Küchler
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Publication number: 20090279962Abstract: An improved design of a cutting insert system includes a plurality of indexable peripheral milling cutting inserts adapted to be mounted on a peripheral milling tool holder. Each of the cutting inserts includes an insert width that is the same for each cutting insert. Each of the cutting inserts also includes a corner nose having a corner nose radius dimension that is different for each cutting insert, and an axial alignment clearance face that defines an equivalent face location and an equivalent clearance angle for each of the plurality of cutting inserts when the insert is detachably mounted on the tool holder.Type: ApplicationFiled: May 7, 2008Publication date: November 12, 2009Applicant: TDY Industries, Inc.Inventors: Jean-Luc Dufour, X. Daniel Fang, David J. Wills, Thomas B. Hartman
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Publication number: 20090226266Abstract: A head section for a rotary cutting device includes a body portion that includes a blade passage defined between a blade entrance opening and a blade exit opening. A blade fastening mechanism is positioned in the blade passage and includes a blade engaging member. The blade engaging member is biased by a biasing mechanism to extend across the blade passage at a blade install position. The blade engaging member is movable against the bias to clear the blade passage. A blade having a mount aperture proximate an insertion end thereof is secured to the body portion when the mount aperture occupies the blade mount position and the blade engaging member extends through the mount aperture. The blade can be installed in and removed from the head section without tools, simply by advancing the blade through the blade passage.Type: ApplicationFiled: March 4, 2008Publication date: September 10, 2009Inventors: Jack Zhang, George King
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Publication number: 20090175693Abstract: In a cutting tool for chip removing machining a holder for a cutter has a body received therein and movable with surfaces to bear against the cutter for defining the position of the cutter in the direction of an intended axis of rotation of the holder as well as a screw which may be screwed in a threaded bore in the holder. Spring members are arranged to act between the holder and the body for biasing the body against said screw portions.Type: ApplicationFiled: May 15, 2007Publication date: July 9, 2009Inventor: Mikael Jansson
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Publication number: 20090175694Abstract: A system manages a machine tool operation. The system includes a cutting tool, which includes a tool body; an integrated circuit chip securely mounted within the tool body and capable of being read and written upon; and a read/write device for communicating with the integrated circuit chip. The integrated circuit chip is an RFID chip. The tool body may be a mounting chuck, adapter, twist drill, thread tap, indexable drill, milling cutter or a square shank lathe tool.Type: ApplicationFiled: December 10, 2008Publication date: July 9, 2009Inventors: Karen Anne Craig, Thomas O. Muller, Timothy E. Fara, Bernard North
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Patent number: 7409972Abstract: A knife assembly for a chipper, which is intended to be installed in the knife frame includes a counter knife, a reversible knife including two cutting bevel edges, and a clamp. In addition, the knife assembly includes securing devices for securing the clamp and at least one locking piece running parallel to the longitudinal axis of the reversible knife to prevent lateral movement of the reversible knife relative to the counter knife. The reversible knife, the counter knife, and the locking piece are arranged in such a way that the position of the reversible knife relative to the knife frame can be set as desired. The locking piece is also arranged to form a fixed part of the reversible knife or the counter knife, and the counter knife is fitted to the knife frame using shape-locking.Type: GrantFiled: February 13, 2003Date of Patent: August 12, 2008Assignee: Rummakko OyInventor: Pauli Haapasalo
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Patent number: 7402010Abstract: A machine tool for cutting a profile in a rotating workpiece has a body centered having an elongated edge formed with an angularly extending row of seats each having a radially directed seat face and an axially directed seat face. Respective Z-shaped holders in the seats each have an outer part, an inner part parallel thereto, and a flexible middle part transversely connecting the inner and outer parts. Respective fasteners releasably fixing the inner parts to the body against relative movement. Respective cutting are fixed on the outer parts of the holders. An adjustment wedge between one of the seat faces and the respective holder face is displaceable to shift the outer part of the respective holder relative to the body and transversely of the respective one seat face.Type: GrantFiled: August 2, 2003Date of Patent: July 22, 2008Assignee: Kennametal Widia GmbH & Co. KGInventors: Manfred Bauer, Reinhold Gesell, Günther Gnibl
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Patent number: 7311477Abstract: A metal cutting tool is provided with at least one cutting insert mounted in an insert pocket in communication with an adjusting mechanism, the cutting insert comprising at least one insert adjusting slot extending between two opposing major faces thereof and opening out to each major face at an adjusting aperture and the adjusting mechanism comprising at least one adjusting member having an adjusting member top face underlying the cutting insert while being visible and accessible therethrough.Type: GrantFiled: August 31, 2005Date of Patent: December 25, 2007Assignee: Iscar Ltd.Inventors: Gil Hecht, Oleg Eliezer
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Patent number: 7287938Abstract: A machine tool has a rotatable tool holder formed with an outwardly open seat having an outwardly directed floor and a cartridge engaged in the seat, carrying a cutting insert, and formed with an inwardly open groove defining a groove axis and having a surface confronting and extending at a small acute angle to the seat floor. An adjustment wedge axially shiftable in the groove has a formation extending transversely of the axis and bears radially outward on the groove surface and radially inward on the seat floor so that axial shifting of the adjustment wedge radially shifts the cartridge in the groove. An eccentric pin set in the cartridge engages the formation of the adjustment wedge for axially shifting the adjustment wedge in the groove and thereby radially displacing the cartridge in the seat on rotation of the pin.Type: GrantFiled: July 2, 2003Date of Patent: October 30, 2007Assignee: Kennametal Widia GmbH & Co. KGInventor: Dieter Raab
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Patent number: 7275894Abstract: A rotationally driven cutting tool for machining of workpieces, in which at least one cutting insert is fastened detachably in a pocket of a blade bearer so that it is clamped flatly against a base surface of the pocket. For adjustment of the blade there is a cutting insert and a fine adjustment device with which, with the aid of an adjusting screw arrangement, an adjusting element supported on a lateral wall of the cutting insert can be adjusted relative to the cutting insert. The adjusting screw arrangement comprises a threaded sleeve that is held, preferably with play, in a smooth through opening having a narrow point and comprises a screw part in functional engagement therewith that stands in a chain of pressure force with the adjusting element.Type: GrantFiled: February 27, 2004Date of Patent: October 2, 2007Inventors: Uwe Schlagenhauf, Peter Haenle
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Patent number: 7086812Abstract: The cutting tool includes a cutter body having at least one pocket therein adapted to receive a cutting insert cartridge assembly. The at least one pocket has a forward wall, a rearward wall and a bottom wall. The bottom wall extends between the forward wall and the rearward wall and is arranged at an angle greater than 90 degrees relative to the forward wall and is arranged at an angle less than 90 degrees relative to the rearward wall. The insert cartridge assembly includes a cartridge and a clamping wedge. The cartridge has a front surface, a rear surface and a bottom surface and an insert pocket for receiving the cutting insert. The bottom surface is shaped to correspond to the bottom wall of the pocket, and the rear surface is shaped to correspond to the rearward wall of the pocket. The clamping wedge is of a dove tail shape and includes a forward wedge surface and a rear wedge surface.Type: GrantFiled: April 25, 2003Date of Patent: August 8, 2006Assignee: Kennametal Inc.Inventors: Kevin M. Gamble, Thomas J. Long, II
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Patent number: 7014393Abstract: A clamping and adjustment apparatus for a cutting tool is described in which a plate-shaped cutter insert is prestressable and fastenable by means of a tension screw with its bottom surface against a seat surface such that it is supported with lateral wall sections in a positionally fixed manner on a cutter support. In order to allow precise adjustment of the cutter insert when little space is available, the clamping and adjustment apparatus has an adjustment wedge which can be actuated by means of a pressure screw in a direction (V) that extends essentially parallel to the seat surface. The adjustment wedge is accommodated in the cutter support in a form-fitted and displaceable manner. The cutter insert is supported on the adjustment wedge and can be adjusted by means of it. Moreover, a tool which is equipped with this clamping and adjustment apparatus is described as well as a tool cartridge which is used for it.Type: GrantFiled: February 4, 2004Date of Patent: March 21, 2006Assignee: Dr. Joerg GuehringInventor: Klaus Matheis
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Patent number: 6884008Abstract: A cutting blade 16, and a method of securing the blade 16 in a reamer 11 having an axial recess 19 in the body 13 of the reamer. The cutting blade 16 has parallel serrations 35 in its rear face 37 extending normally of each cutting edge 34 and is clamped to mutually interengagable parallel serrations 36 on the reamer 11 which extend radially thereof. The cutting edge 34 of the blade 16 is adjusted to a new position by movement of the blade along the radial serrations 36 using a single adjuster means 42.Type: GrantFiled: October 25, 2002Date of Patent: April 26, 2005Assignee: Bencere Elliott, LTDInventor: Gerald Minshall
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Patent number: 6644369Abstract: A cutter unit includes two positioning bars mounted securely in a retaining groove of a rotating axle to define a cutter-receiving chamber therebetween. A cutter positioning block is disposed in the chamber. A first side face of the cutter positioning block is formed with a cutter-holding recess to receive a cutter. The recess is defined by a recess-confining wall with two opposing wall portions abutting against two end faces of the cutter. A side face of the cutter is disposed outwardly of the recess. An adjusting unit is disposed between and abuts against a second side face of the cutter positioning block and one of two wall portions of the retaining groove, and is adjustable to move the cutter positioning block and the cutter so as to press the cutter against the other one of the wall portions of the retaining groove.Type: GrantFiled: November 7, 2002Date of Patent: November 11, 2003Inventor: Pei-Lieh Chiang
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Patent number: 6497537Abstract: A slotting cutter including a support disc rotatable in a predetermined direction on a central axis. The support disc is of a generally cylindrical shape having a first side and a second side, and an outer periphery. A plurality of pockets including a cartridge assembly are staggered about the outer periphery of the support disc and include a cutting insert secured to each cartridge assembly. Each cutting insert includes at least one cutting edge. The cutting insert extends laterally outwardly beyond the first side of the support disc and is spaced from the second side of the support disc such that the cutting edge of adjacent inserts are positioned to laterally overlap thereby providing an increased effective cutting path width.Type: GrantFiled: December 17, 1999Date of Patent: December 24, 2002Assignee: Kennametal PC Inc.Inventors: Mark A. Francis, Kay E. Kucharik, David C. Machacek, Donald P. Morris
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Publication number: 20020067962Abstract: A lifter bore groover tool is disclosed. A housing in an essentially rectilinear configuration has an upper wall and a lower wall and a plurality of side walls. The side walls include a cutting wall and another wall and facing walls there between. A bore is formed in the housing adjacent to the cutting wall. A long cylindrical chamber beneath the bore is in communication with a guide slot extending through the cutting wall. A cylindrical cutting block is axially reciprocable within the long cylindrical chamber. A cutting tool is removably supported in the cutting block extending laterally through the guide slot for contacting the surface of the bore to be grooved. The cutting block and cutting tool are axially adjustable. A bolt is received within the bore. The bolt has an upper end with a head for rotation by the user.Type: ApplicationFiled: December 1, 2000Publication date: June 6, 2002Inventor: John Foster
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Publication number: 20020067961Abstract: A cutting tool (1) comprises an elongate shank (2), one end (3) of which is adapted to be secured in a machine tool and the other end (4) of which constitutes a cutting head. A portion of the shank (2) intermediate its ends is provided with at least one adjustable screw device (9) comprising a screw (12) and a tapped bore (13), the screw (12) having a frusto-conical bearing surface (14) operable on a portion of the shank (2) to induce a bending moment (1A, 4A, 9A, 12A) on the shank (2), for eccentricity correction.Type: ApplicationFiled: December 6, 2000Publication date: June 6, 2002Applicant: Cogsdill Tool Products, Inc.Inventor: Peter Yewman
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Publication number: 20020053266Abstract: A positional adjusting mechanism for a cutting insert in a tool for chip removing machining, preferably a milling cutter. The positional adjusting mechanism includes a hole formed in the tool body adjacent to the cutting seat which receives the cutting insert. A slotted bushing is mounted in that hole. An adjusting screw is received in the bushing to expand an upper end of the bushing. In the mounted state of the bushing in its hole, contact occurs between an upper part of the bushing and a support surface of the tool body which urges the bushing laterally in its hole to eliminate lateral play and thus stabilizes the bushing.Type: ApplicationFiled: June 27, 2001Publication date: May 9, 2002Inventor: Lars-Erik Enquist
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Patent number: 6378578Abstract: Cutter head for wood working machines comprising a carrier with at least one receptacle for detachably receiving a cutter unit and a means for adjusting the flight circle of a cutting edge of the cutter unit, wherein in order to facilitate such a cutter head in view of the manufacture and installation thereof and to improve the resharpening ability of the cutter unit, the adjusting means comprises at least one spacer arranged between the cutting edge and the receptacle in an exchangeable manner and defining the distance between the cutting edge and a bearing surface of the receptacle.Type: GrantFiled: February 5, 2001Date of Patent: April 30, 2002Assignee: Stehle GmbH & Co. KGInventor: Herbert Thomas
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Patent number: 6354772Abstract: A cutting tool having a shank held in a chuck. Mounted in the shank is an insert holder and a carbide insert held therein. The insert holder extends radially beyond the shank, with the insert on its extended end. The insert can be adjusted as to radial extension, by swingable adjustment, and held in adjusted position by tightening the holder. A gear is provided for swinging the holder, and a visual dial is provided to show the position of adjustment.Type: GrantFiled: December 7, 1998Date of Patent: March 12, 2002Inventor: Paul W. Mueller
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Patent number: 6334741Abstract: The invention concerns an attachment (1) comprising a radial sliding track (103) for each slide (2), recessed in the attachment body. Two semicircular plates (4, 5) maintain the slides in the sliding track (103) and guide them. The slides are locked by screws (18, 19) operating by deforming the corresponding semicircular plate (4, 5). The displacement of a slide is obtained by a micrometric screw (12) operating on a nut integral with the slide.Type: GrantFiled: March 6, 2000Date of Patent: January 1, 2002Assignee: Septa Research (Ontario) Inc.Inventor: Charles Gérard Willen
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Patent number: 6202721Abstract: In a mounting arrangement for supporting, in a stepwise adjustable fashion, a cutting blade in a cutting head for working wood or plastic, the cutting blade has at least one cutting edge and opposite side edges with wave-like profile structures and claw elements are mounted on the cutting head and have engagement portions extending into the troughs of the wave-like profile structures for form-fitting engagement therewith. Each wave-like profile structure has a greater length in the direction of the side edges of the cutting blade than the respective engagement portions of the claw elements so that the position of the cutting blade is adjustable.Type: GrantFiled: May 1, 1998Date of Patent: March 20, 2001Assignee: Hapro-Hartmetall-Profiltechnik GmbHInventor: Bernd Stegmaier
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Patent number: 6189584Abstract: A disposable carbide cutting blade assembly for a universal rotary molding cutter head. The assembly comprises a disposable carbide blade blank having its cutting surface contoured to the desired configuration, a smooth rear, bottom, and front surface, and a hole extending through the carbide blade blank. The carbide blank is positioned against a steel backer plate, which in turn is provided with a ledge for supporting the carbide blank from below, and a smooth front surface against which the rear surface of the carbide blank rests when in position. A safety pin protrudes from the front face of the steel backer plate, and extends into the hole within the carbide blank to properly seat the carbide blank against the steel backer plate. The rear surface of the steel backer plate is provided corrugations along its entire height for mating with the corrugations on the inner wall of a slot of a universal rotary cutter head.Type: GrantFiled: August 11, 1999Date of Patent: February 20, 2001Inventor: Douglas Scott Cayce
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Patent number: 6126364Abstract: A reamer for chip removing machining includes a holder having a line of pockets, each pocket including a support surface facing in a direction of feed of the holder. Cutting inserts are mounted in respective ones of the pockets and project out of the pocket at progressively greater distances. Clamping assemblies clamp respective inserts in their respective pockets. Each clamping assembly includes a shank projecting into a hole formed in the pocket, a clamping head fixed to the shank and situated in the pocket, and a spring yieldably biasing the shank and the clamping head to a position wherein the clamping head forces a rear surface of the insert against the support surface. By depressing a shank against its spring bias, a respective insert can be replaced.Type: GrantFiled: April 5, 1999Date of Patent: October 3, 2000Assignee: Seco Tools ABInventor: Bertrand Riviere
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Patent number: 6119741Abstract: A rotary cutter head is provided having body shape characterized, generally, outwardly-shifted cylinder segments to shift cutter head weight and force to the knife blades and to balance and extend the knifes from the central core of the cutter head while reducing workpiece waste buildup along the knife front, and while decreasing clogging of knife mounting components and reducing over-heating of knives and with securing corrugations on the knife cutting face, engageable with corrugations on the cutter head for securing the knife base against a foot on the cutter head.Type: GrantFiled: February 10, 1999Date of Patent: September 19, 2000Inventors: David G. Rowe, Mark Vernon Owens
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Patent number: 6033157Abstract: An adjustment mechanism for adjusting an insert pocket wall's abutment surface in order to alter the location of an insert mounted in the pocket. The adjustment mechanism includes an adjustment screw and adjustment ball located in an adjustment bore. The adjustment ball is located in the vicinity of the pocket wall and on tightening the adjustment screw the adjustment ball is forced against the pocket wall. The force applied by the adjustment ball deforms the pocket wall in the region of contact between the adjustment ball and the pocket wall resulting in the required adjustment of the abutment surface.Type: GrantFiled: May 17, 1999Date of Patent: March 7, 2000Assignee: Iscar Ltd.Inventors: Amir Satran, Yaron Eisen
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Patent number: 5961259Abstract: A rotatable machine tool such as a precision boring tool has a head (2) that is detachably mounted on a shank type driving element (3). The head carries a removable cutting tip (9) and includes a bearing point (8) that wedgingly seats within a transverse slideway (7) in driving element (3). A slide (11), which is mounted in through bore (20) in head (2), has a male member (10) attached thereto which passes through a slot (24) extending between the bore (20) and an end face (19) of the head (2). Male member (10) is received within a bore (12) in driving element (3). A clamping screw (13) in drive element (3) interacts with male member (10) to cam it inwardly thereby clamping head (2) in position on drive element (3). The head (2) is transversely adjustable within slideway (7) by loosening screw (13) and adjusting opposed screws (32, 33) in head (2) which act on male member (10).Type: GrantFiled: October 23, 1997Date of Patent: October 5, 1999Inventor: Karl Ziegler
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Patent number: 5906458Abstract: An adjustable reamer includes a securing portion, a shank, a guide members, at least one cutting insert, an adjustment device for adjusting the insert, and a clamp for clamping the insert. The clamp is releasable from the shank. A first place of contact is created between the clamp and the shank, and a second place of contact is created between the clamp and the cutting insert. An angle between the first and second places of contact in relation to the rotational axis of the reamer is at least 100.degree., preferably larger than 135.degree..Type: GrantFiled: April 25, 1997Date of Patent: May 25, 1999Assignee: Seco Tools ABInventor: Simon Planche
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Patent number: 5658101Abstract: An improved milling head. A milling head is provided with a backing plate with a toothed system on the from side, whose teeth run in parallel to the longitudinal axis of the carrier body. Because the blade plate has a toothed system, which can be engaged with the toothed system on the front of the support plate, the blade plate no longer needs to be shifted radially outward to be resharpened. Rather the blade plate must only be radially displaced to the outside by a tooth of a micro-toothed system. This simplifies the regrinding on a constant flight circle diameter, because only the hard metal of the blade plate needs to be ground, which can be accomplished with a normal hard metal grinding wheel. The support plate only needs to be shaped when it is manufactured, which is possible with a normal corundum disk and can be accomplished quickly. Since the support plate does not need to be reground, it remains completely functional and can be used together with a new blade plate.Type: GrantFiled: May 18, 1995Date of Patent: August 19, 1997Assignee: Gebr. Leitz GmbH & Co.Inventor: Helmut Hammer
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Patent number: 5575320Abstract: The disclosure describes a cutting tool assembly for mounting unto a rotatable chip forming head. It comprises a knife holder having a base portion which is adapted to be secured peripherally to the head and a cantilevered plate portion having a lower section integral with the base portion and an upper section extending obliquely over the base portion. The cantilevered arrangement of the knife supporting plate enables the lateral ejection of chips produced from a solid piece of wood during operation so that chips do not contact successive cutting tool assemblies as the head rotates.Type: GrantFiled: January 11, 1995Date of Patent: November 19, 1996Assignee: Les Ateliers Benoit Allard, Inc.Inventor: Maurice Brisson
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Patent number: 5571250Abstract: In a cutting blade mounting arrangement for inserted blade cutting heads a mounting plate for supporting a cutting blade at one side thereof has at its opposite side a tooth structure for firm engagement with the cutting head and the cutting blade has ground bores receiving cylindrical fitting pins projecting from the one side of the support plate for accurately positioning the cutting blade on the support plate in axial as well as in radial direction with respect to the axis of the cutting head.Type: GrantFiled: July 27, 1995Date of Patent: November 5, 1996Assignee: Hapro Hartmetall-Profiltechnik GmbHInventor: Bernd Stegmaier
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Patent number: 5439039Abstract: A log-slabbing chipper with multiple knife structures distributed about the periphery of a power-driven rotor head. Each knife structure includes a holder and a pair of assemblies mounting double-edge replaceable knives. Each knife is mounted between a clamp and a fixed counterknife. Each knife has a serrated back-bearing surface and each clamp has a correspondingly serrated clamping surface. Adjusting screws exert pressure on the clamps to slide the clamps and the knives with respect to the stationary counterknives to achieve desired precise edge positions.Type: GrantFiled: August 30, 1994Date of Patent: August 8, 1995Assignee: Pacific Saw and Knife CompanyInventors: Joseph R. Bradstreet, Jr., Keith H. Hewitt, David S. Macey
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Patent number: 5328307Abstract: A cutting tool of the specified type is to be miniaturized and configured in such a manner that it is suitable for working bores having a diameter of 6 mm and more and for high-speed work with revolving tools.The solution according to the invention provides that the adjustment screws for radially adjusting the cutting plate simultaneously form a clamping means for the form-locking clamping of the cutting plate to the supporting shoulder of the basic tool body.A preferred field of use are precision drills and grinding tools equipped with inserted cutting strips made of a highly wear resistant cutting material.Type: GrantFiled: February 24, 1993Date of Patent: July 12, 1994Assignee: MAPAL Fabrik fur Prazisionswerkzeuge Dr. Kress KGInventors: Heiner Fees, Manfred Goetz
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Patent number: 5271442Abstract: A log slabbing chipper with multiple knife structures distributed about the periphery of a power-driven rotor head. Each knife structure includes a holder, and a pair of knife mounting assemblies secured to the holder. Each knife mounting assembly mounts a double-edged replaceable knife.Type: GrantFiled: February 19, 1993Date of Patent: December 21, 1993Assignee: Commercial Knife, Inc.Inventors: Charles T. Carpenter, Robert M. Bayly
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Patent number: 5217330Abstract: A machining tool for adjustably securing a replaceable cutting member thereto. A tool head is provided with a flat ledge portion at one end, a positioning screw assembly for adjusting the position of a cutting member on the flat ledge portion, and a securement screw assembly for securing the cutting member to the tool head.Type: GrantFiled: April 22, 1992Date of Patent: June 8, 1993Inventor: Jack W. Dennstedt
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Patent number: 4843928Abstract: The invention relates to a rotary tool having at least one replaceable cutting blade, the or each received in a channel and clamped firmly therein. The tool body has a passage in each channel which receives a safety member in the form of a pin projecting into a recess in the blade. In normal use the pin remains out of contact with the walls of the blade recess, engaging with the recess only if the clamping means fail, so as to restrain the blade from falling out of the channel.Type: GrantFiled: October 19, 1987Date of Patent: July 4, 1989Assignee: Marwin Cutting Tools LimitedInventors: Dennis H. Wale, Paul A. Reynolds