Tool Gripped Directly By Set Screw Patents (Class 407/97)
  • Patent number: 8726771
    Abstract: Provided is an insert that has good positioning precision and sufficient rigidity. Said insert is rod-shaped and has: a shank part; cutting blades formed on both sides of the shank part; and raised surfaces that are positioned between the cutting blades and the shank part and bulge such that parts farther away from the cutting blades are progressively closer to the outer surface of the shank part. In a side view, the rake face of the cutting blade on one side and the raised surface on the other side are disposed in the same direction with respect to the axis of rotation of the shank part.
    Type: Grant
    Filed: June 23, 2010
    Date of Patent: May 20, 2014
    Assignee: Kyocera Corporation
    Inventor: Youji Kobayashi
  • Patent number: 8641330
    Abstract: A tool for chip removing machining includes a tool holder in order to releasably hold at least one cutting insert. The cutting insert is arranged to be fixable in an insert pocket of the tool holder by a locking screw. The locking screw has a head and is in threaded engagement with the tool holder via a threaded joint which is arranged to allow tilting of the locking screw in a working direction of the tool when the locking screw is partly unscrewed so that the cutting insert can be removed from the insert pocket. The head is arranged to clamp against a part of a front side of the cutting insert. The tool holder includes at least one space at least partly arranged to receive the head when the screw is partly unscrewed.
    Type: Grant
    Filed: December 5, 2006
    Date of Patent: February 4, 2014
    Assignee: Seco Tools AB
    Inventor: Mikael Jansson
  • Patent number: 7155789
    Abstract: An improvement for a cartridge case trimmer which indexes on the shoulder of the case as established by the resizing die and permits a rotating cutter assembly to trim the neck of cases from the inside at a controllable angle. The cutter assembly includes a notched cutter with a cutting edge for length, a cutting edge for inside chamber, and a notched support plate with a guide which also serves as an outside deburring edge. The rotating cutter assembly has a flywheel mounted to it so as to stabilize the cutter while rotating to reduce the tendency to wobble. Set screws fit within the notches of the notched cutter and notched support plate to both hold them in place and to adjust them independently for the desired shape of the trimmed cartridge case neck.
    Type: Grant
    Filed: July 26, 2004
    Date of Patent: January 2, 2007
    Inventor: Doyle D. Gracey
  • Publication number: 20020192042
    Abstract: A turning tool includes a holder and an cutting insert clamped to the holder. The insert and the holder include respective support surfaces pressed against one another. Each of those support surfaces includes first and second sets of ridges oriented substantially perpendicular to one another. The ridges on the insert's support surface engage respective ridges on the holder's support surface to prevent movement of the insert relative to the holder in two directions oriented perpendicularly to one another. At least one of the first and second support surfaces has its first and second sets of ridges arranged in respective first and second regions of that support surface. The other support surface could have its sets of ridges arranged in a similar fashion, or its sets of ridges could occupy the same region of the support surface to form a waffle pattern. The insert and the holder include respective holes which are aligned to receive a clamping element.
    Type: Application
    Filed: May 20, 2002
    Publication date: December 19, 2002
    Inventor: Christer Rydberg
  • Patent number: 6155753
    Abstract: A boring cutter assembly with fine adjustment is provided for finely adjusting the diameter of the bore to be formed and for compensating wear of the blade. The boring cutter assembly includes a cutter shaft including a distal end with a cutter seat for receiving a blade. A countersink is defined adjacent to the cutter seat. A bottom wall that defines the countersink includes a screw hole. The countersink and the screw hole together receive an adjusting screw. A first scale is provided on the distal end of the cutter seat and around the countersink. A second scale is provided on the top face of the fine adjusting screw and corresponds to the first scale. A side of the blade that defines a portion of the cutting clearance angle of the blade cooperates with the pitch of the fine adjusting screw, such that the blade is laterally moved when the fine adjusting screw moves vertically as a result of rotation thereof, thereby adjusting the diameter of the bore to be formed.
    Type: Grant
    Filed: July 15, 1999
    Date of Patent: December 5, 2000
    Inventor: Hsin-Tien Chang
  • Patent number: 5672031
    Abstract: A milling cutter for milling a workpiece comprising a milling head rotatable about its central longitudinal axis. A milling head carries at least one milling insert of a first grade which presents a cutting edge. The milling head carries a wiper insert of a second grade which presents a wiping edge.
    Type: Grant
    Filed: May 12, 1995
    Date of Patent: September 30, 1997
    Assignee: Kennametal Inc.
    Inventor: Edward J. Oles
  • Patent number: 5447395
    Abstract: A chamfering tool made up of a holder and a double headed blade. The holder is substantially cylindrical, with a bullet nose at one end and a turned down shank at the other end. An angularly offset bore for holding the blade penetrates the bullet nose at an angle to the holder longitudinal axis, and also penetrates the holder cylindrical wall. When the blade is installed in the bore, one or both heads externally expose their respective operating cutting edges. The blade is substantially cylindrical, with cutting edges at each end being perpendicular to and intersecting the longitudinal axis of the blade. The novel arrangement enables the chamfering tool to work in tight quarters, to be readily removed and easily sharpened, and enables both right and left handed cutting by a simple adjustment.
    Type: Grant
    Filed: March 30, 1993
    Date of Patent: September 5, 1995
    Inventor: John S. Lynch
  • Patent number: 4899793
    Abstract: A duplicating system, especially for use with a multipurpose woodworking machine capable of performing lathe turning operations. The system includes a support table, a carriage adapted to be slidably mounted on the machine, and a locking rack and pinion for raising and lowering the table relative to the carriage. A tool support is positioned on the table and includes a base having a low friction pad for engaging the table top, a follower for contacting a pattern, and a multi-edge cutting tool rotatably mounted on a tool rod for engaging a workpiece. An insert guide is mounted on the tool rod to hold the cutting tool in position. The base has a set screw which engages a circumferential groove in the shank of the tool rod so that the cutting tool can be quickly and accurately positioned relative to the follower.
    Type: Grant
    Filed: April 10, 1989
    Date of Patent: February 13, 1990
    Assignee: Shopsmith, Inc.
    Inventors: Steven A. Snyder, Jack Smith, David D. Flora, Robert L. Bartlett
  • Patent number: 4450882
    Abstract: A highly productive completely automatic tracing shaper machine tool performs sequential operations without manual attention permitting a single operator to simultaneously run several machines without being exposed to the shaper heads of the machine. The tracing shaper machine tool has a track mounted vacuum feed table or chuck clamping thereon a template or pattern and the wood workpiece to be shaped. The table is manually positioned on the track to accommodate a wide range of workpiece sizes and this initially positioned table or chuck with the stacked template and workpiece vacuum clamped thereon is automatically biased toward a selectable speed driven upright shaper tool carrying spindle with a rotatable follower bearing surrounding the spindle receiving the periphery of the template thereagainst at a constant pressure. The feed table or chuck is rotated to provide a desired feed rate of the workpiece to the shaper tool, and this rotation continues somewhat beyond a 360.degree.
    Type: Grant
    Filed: October 14, 1981
    Date of Patent: May 29, 1984
    Inventors: Lonnie G. Hitchcock, Richard J. Flanigan
  • Patent number: 4135845
    Abstract: An improved carbide bit cutting tool comprising of the type a tool body having a tool-bit-receiving aperture formed therein inwardly of the front end thereof, a carbide tool bit slidable in the aperture so as to be adjustably positionable outwardly of the front end of the tool body, said tool bit having a steel body and a carbide tip cemented on the front end thereof, a fastener for adjustably fastening the tool bit in place in the aperture, a chip breaker member disposed on top of the tool bit and slidable in the aperture so as to be adjustably positionable inwardly of the front end of the tool bit, a second fastener for adjustably fastening the chip breaker member in place in the aperture on top of the tool bit, the front end of the tool bit having a predetermined shape for carrying out a cutting operation and the front end of the chip breaker member having a corresponding shape so as to break chips during the cutting operation inwardly of the front end of the tool bit, the cross-section of the tool bit and
    Type: Grant
    Filed: April 26, 1978
    Date of Patent: January 23, 1979
    Inventor: Andrew Rea
  • Patent number: 4054066
    Abstract: A tool holder adapted to be mounted on a lathe turret is of rigid, one-piece construction and removably secures any one of a wide range of interchangeable drills of different diameters. The tools are secured at a centerline located at an exact predetermined distance, e.g. 0.375 inch, above the bottom surface of the holder so as to exactly locate the centerline of the tool respective the top surface of the turret. The distal end of the tool holder is spaced fractionally above the base plate of the lathe turret, providing for spring-loading of the tool.
    Type: Grant
    Filed: April 30, 1976
    Date of Patent: October 18, 1977
    Inventor: Walter L. Carter