Patents Examined by William Briggs
  • Patent number: 7143489
    Abstract: The present invention provides a multiple station tooling machine for the production of spirally grooved products and includes a base plate, a plurality of work stations distributed around the base plate and operable to effect selected tooling operations on work pieces, a support stand coupled to the base plate and supporting a support plate, and a turntable disposed above the support plate, the turntable being iteratively angularly movable. The multiple station tooling machine also includes a plurality of workpiece retaining elements and an actuating assembly including drive motors mounted on the support plate for moving the workpiece retaining elements to and between selected orientations. A plurality of generally vertical shafts each has a respective workpiece retaining element secured to one end thereof.
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: December 5, 2006
    Inventor: Karl-Heinz Giebmanns
  • Patent number: 6808341
    Abstract: A pneumatic edge trimming machine has a base a center of which having a hole. A sleeve extends upwards from the base for receiving a hollow outer casing. The outer casing has a top and a lower end; and the top and lower end of the outer casing are fixed to an inner casing through a frame. A space penetrating the inner casing and outer casing is formed. The inner casing is used to be installed with a pneumatic motor. A shaft is extended from a pneumatic motor. The shaft has a tool combining portion which exposes out of the hole at the base. The inner casing has an air inlet and a control switch. The inner casing has a vent facing toward a top of the outer casing, and the top of the outer casing being connected to a predetermined space by a tube. Therefore dust can be absorbed automatically in working.
    Type: Grant
    Filed: May 29, 2001
    Date of Patent: October 26, 2004
    Assignee: Nailermate Enterprise Corp.
    Inventors: Bao Shyan Lai, Chung-Tsun Cho
  • Patent number: 6802801
    Abstract: A tool changing device for a tool machine having a tool spindle which can be moved at least in the spindle direction and with which a tool can be engaged in a spindle hand-over position. A tool magazine/storage area houses a tool to be changed in a magazine ready position with an orientation diverging from the spindle direction. A transport device is fitted with a tool holder which, by means of an operating device provided with a driving guide/guide path, swivels the tool about a swiveling axis during its transport from the ready position in the tool magazine and an orientation parallel to the spindle direction. The transport device is designed for an entire transport path between the magazine ready position and a spindle hand-over position. The transport device is aligned with the rotation axis of the stored tool. The swiveling axis runs perpendicularly to the transport direction and the spindle axis.
    Type: Grant
    Filed: November 6, 2001
    Date of Patent: October 12, 2004
    Assignee: Deckel Maho Speech GmbH
    Inventor: Thorsten Lasch
  • Patent number: 6786856
    Abstract: A cam-type automatic tool-exchanging apparatus comprises: a housing; an input rotary shaft within the housing; a rotational-motion converting cam within the housing and rotationally driven by the input rotary shaft and outputting a rotational motion; a lifting/lowering-motion producing cam provided the housing and rotationally driven by the input rotary shaft and outputting a lifting/lowering motion; a tool-exchanging arm provided outside the housing and driven by the rotational motion and the lifting/lowering motion outputted for performing a tool-exchanging operation; a shutter provided outside the housing and to be opened/closed in accordance with the tool-exchanging operation; an opening/closing-motion producing cam within the housing and rotationally driven by the input rotary shaft and outputting a shutter-opening/closing pivotal motion for opening/closing the shutter; and a shutter-driving rotary shaft within the housing and outputting the shutter-opening/closing pivotal motion of the opening/closing-m
    Type: Grant
    Filed: September 11, 2002
    Date of Patent: September 7, 2004
    Assignees: Sankyo Manufacturing Co., Ltd., Yamazaki Mazak Corporation
    Inventors: Heizaburo Kato, Hideaki Hattori, Kiyoshi Nishida, Kazuya Horibe, Satoshi Okada
  • Patent number: 6736575
    Abstract: A linear broaching machine for machining rotating parts wherein a plurality of tooling carriages are mounted upon a moving chain and broach type tools are supported by the carriages wherein the tools are moved in a linear path into engagement with a rotating workpiece to remove metal from the workpiece and form an accurately sized cylindrical surface concentric to the workpiece axis of rotation. The tool carriages are spaced from each other providing non-machining access durations wherein the workpiece may be loaded or unloaded from its rotating support spindles.
    Type: Grant
    Filed: December 19, 2000
    Date of Patent: May 18, 2004
    Assignee: The Crankshaft Machine Group, a division of Avis Industrial Corp.
    Inventor: Kevin J. Glaspie
  • Patent number: 6672809
    Abstract: The holder body of a tool holder includes one or more first fluid passages and one or more second fluid passages, wherein the first and second fluid passages are communicated to each other inside the holder body and open to the outer surface of the holder body. A cooling fluid is supplied from a fluid passage formed in a fluid guide of the cooling apparatus to either the first fluid passage or the second fluid passage, flows through a communicating portion of the first and second fluid passages into the other of the first and second fluid passages, and runs out into the other fluid passage of the fluid guide.
    Type: Grant
    Filed: August 3, 2001
    Date of Patent: January 6, 2004
    Assignee: Manyo Tool Kabushiki Kaisha
    Inventor: Chikara Senzaki
  • Patent number: 6644900
    Abstract: A spindle device of a machine tool stably spouting spray coolant from the tip of a tool (26) in a tool holder (25) and suppressing a waste of the spray coolant, wherein the tool holder (25) is fixed to the tip part of a spindle (2) mechanically detachably through a clamp device (KR), an extension passage (101) is formed in the state that an in-spindle spray coolant passage (100) formed in the center part of the spindle (2) is extended forward (f2), and the in-spindle spray coolant passage (100) is formed to communicate with an in-holder spray coolant passage (102) formed in the center part of the tool holder (25) through the extension passage (101).
    Type: Grant
    Filed: December 18, 2001
    Date of Patent: November 11, 2003
    Assignee: Horkos Corp.
    Inventors: Shinsuke Sugata, Yoshihide Seo, Takashi Kobayashi
  • Patent number: 6629345
    Abstract: A chucking device, in particular for workpieces that are to be machined on more than one side, has a workpiece carrier with at least one turret, arranged to receive workpieces, that is supported rotatably about an axis of rotation on the workpiece carrier, A positive-engagement locking device is associated with the turret, on the workpiece carrier, by which locking device the turret can be locked positionally precisely in a predetermined rotary angle position relative to the workpiece carrier. The locking device has at least three locking parts disposed coaxially to one another, which on the plane faces facing one another each carry pairs of cooperating locking means that can be brought into and out of engagement with one another by means of an axial relative motion of the locking parts.
    Type: Grant
    Filed: September 10, 2001
    Date of Patent: October 7, 2003
    Assignee: Albeck GmbH
    Inventors: Bernhard Albeck, Tobias Albeck
  • Patent number: 6629806
    Abstract: A process for the metal-removing machining of a workpiece, where a disc-shaped external milling cutter is provided having cutting edges positioned on its outer circumference, the workpiece is rotated, and peripheral surfaces of the workpiece are machined with the milling cutter, by rotating the milling cutter to have a cutting speed of at least 180 m/min when roughing and at least 200 m/min when finishing, and a chip thickness of between 0.05-0.5 mm.
    Type: Grant
    Filed: December 22, 1998
    Date of Patent: October 7, 2003
    Assignee: Boehringer Werkzeugmaschinen GmbH
    Inventors: Rolf Santorius, Paul Dieter Scharpf, Wolf-Dietrich Voss, Matthias Kohlhase, Herbert Kiefer, Leo Schreiber
  • Patent number: 6612792
    Abstract: The present invention provides a work table for use with a tool, comprising an inclined work surface, which is substantially planar and is supported by a frame having a base; a gantry movably attached to the work surface and having two ends, a longitudinal axis and extending within a plane parallel to the work surface; a movable tool mount slidably attached to the gantry for removable attachment of the tool wherein the tool mount and the tool have a combined effective weight; a first movement means attached to one end of said gantry for translation of the gantry over said work surface; a second movement means attached to the tool mount for translation of said tool between the ends of the gantry; and a weight counterbalancing means operatively associated with the tool mount for neutralising the combined effective weight.
    Type: Grant
    Filed: April 25, 2001
    Date of Patent: September 2, 2003
    Assignee: CAM Tech Industries Inc.
    Inventor: Dwaine Barclay
  • Patent number: 6602031
    Abstract: The present invention provides a method for machining a workpiece, which comprises the steps of: separately supplying compressed air and a liquid into a through-hole longitudinally extending through a drawbar within a spindle of a machine tool; allowing the compressed air and the liquid to separately flow through the through-hole; mixing the liquid with the compressed air in a distal end portion of the through-hole so as to make the liquid into a mist form; ejecting the resulting mist from a distal open end of the through-hole to supply the mist to a distal end of a tool along an outer periphery of the tool or through the inside of the tool; and machining the workpiece while ejecting the mist from the distal end of the tool to supply the mist to a machining part.
    Type: Grant
    Filed: February 22, 2001
    Date of Patent: August 5, 2003
    Assignee: Japan Speed Shore Co., Ltd.
    Inventor: Mitsugu Hara
  • Patent number: 6599066
    Abstract: The invention relates to a rotating shaft apparatus for rotationally driving a spindle or a feed screw shaft and a machine tool including the rotating shaft apparatus, and is directed to enhance durability of a rotating shaft apparatus if the rotating shaft such as a spindle or a feed shaft rotates at a high speed. In order to solve the problem, according to the invention, a rotating shaft is rotationally supported by a bearing to a housing, the bearing being previously applied to or filled with a lubricant. A lubricant impregnated member, which is impregnated with a lubricant to be supplied to the bearing, is provided in the rotating shaft. The lubricant is separated and discharged from the lubricant impregnated member by centrifugal force due to the rotation of the shaft.
    Type: Grant
    Filed: June 26, 2001
    Date of Patent: July 29, 2003
    Assignee: Makino Milling Machine Co., Ltd.
    Inventors: Shinji Koike, Shinichi Inoue
  • Patent number: 6599067
    Abstract: An apparatus and method for removing a pressure tube from a nuclear reactor end fitting. A series of grooves are milled in the inside surface of the pressure tube in the area of the roll fitting by means of an elongated milling tool inserted in the pressure tube. The milling tool has a rotary cutter bit that can be controlled for longitudinal and rotational position and depth of cut from the proximal end of the tool. Once the grooves are milled, the milling tool is withdrawn and replaced with an elongated collapsing tool. The collapsing tool has a pair of jaws that engage the milled grooves and draw the wall of the pressure tube inward thereby releasing it from the end fitting. The use of the present invention avoids the requirement to remove both end fittings to replace a pressure tube.
    Type: Grant
    Filed: March 26, 2001
    Date of Patent: July 29, 2003
    Assignee: Atomic Energy of Canada Limited
    Inventors: David A. Scott, Ramesh J. Bachan
  • Patent number: 6592306
    Abstract: A machine tool for metal cutting having a collecting system for chips and liquids. Disposed below the work area is a pan having a transverse groove, a chip conveyor disposed in the transverse groove, a spiral-shaped conveyor element, a liquid collector on one side wall of the pan and a chip outlet disposed on the other side wall of the pan on the outlet end of the chip conveyor. To enhance the separation of liquids even when a large amount of chips is produced, an elongated screen element is disposed in the inner cavity of the spiral-shaped conveyor element, the screen element extending over at least part of the length of the conveyor element and terminating at the liquid collector.
    Type: Grant
    Filed: August 14, 2001
    Date of Patent: July 15, 2003
    Assignee: Deckel Maho Pfronten GmbH
    Inventors: Gerd Hoppe, Alfred Geissler, Karl Lechleiter
  • Patent number: 6592305
    Abstract: A right angle drive arrangement for attachment to a vertical milling machine to permit the vertical milling machine to be utilized with a tool disposed on a horizontal output axis. The drive comprises a right angle housing, a coupling for attachment to a vertically disposed rotatable spindle on the vertical milling machine. A first bevel gear is in vertical rotational alignment with the spindle and supported in the right angle housing. A second bevel gear is in horizontal alignment with respect to the right angle housing. An output shaft is attached to the second bevel gear for supporting a tool thereon, for use with a tool to horizontally work a material by the vertical milling machine.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: July 15, 2003
    Inventor: Marc H Boisvert
  • Patent number: 6589144
    Abstract: A dental automatic cutting apparatus is disclosed, having a construction in which cutting tools are made automatically detachable to a chuck and a tool cassette by automatic control mechanism comprising: an engagement means provided to the tool cassette and a base block to maintain the tool cassette in a detachable manner to the base block to a desired position relation, the tool cassette provided on its front surface side with at least two post-inserting bore through which each tool post having a function to accommodate and hold the cutting tool which can be inserted, and the base block is fixed to a main body of the dental automatic cutting apparatus, and connection means for connecting the engagement means provided in the tool cassette to the base block to fix the tool cassette.
    Type: Grant
    Filed: September 13, 2000
    Date of Patent: July 8, 2003
    Assignee: GC Corporation
    Inventors: Yoshinori Ebihara, Tokichi Shimizu
  • Patent number: 6585462
    Abstract: A device in a tool holding assembly for axially moving a rotatable shaft on which is arranged at a first end of the shaft a device for performing work during rotation of the shaft includes an electric motor for rotating the shaft, and at least one bearing radially supporting the shaft and permitting movement of the shaft in the axial direction. The shaft has a second end forming a free end and an electromagnetic mechanism is arranged to affect or operate on the second end of the shaft to draw the shaft in the axial direction from the first end to the second end against the affect of pressure acting against the second end of the shaft in the opposite axial direction. A mechanism controls the electromagnetic mechanism to achieve axial movement of the shaft during rotation of the shaft.
    Type: Grant
    Filed: November 13, 2000
    Date of Patent: July 1, 2003
    Assignee: SKF Nova AB
    Inventor: Bo Göransson
  • Patent number: 6585628
    Abstract: A cutter tool assembly includes a cutter head having an axial end face with an axially extending recess in the end face. A plurality of cutter blades are carried by and extend axially from the end face of the cutter head. A non-volatile memory device is disposed within the recess and affixed to the cutter head.
    Type: Grant
    Filed: May 22, 2001
    Date of Patent: July 1, 2003
    Assignee: Dana Corporation
    Inventors: Wei-Jiung Tsung, Frederick E. Lincoln, Quang T. Hang
  • Patent number: 6582167
    Abstract: A spindle device and a tool holder of a machine tool stably ejecting spray coolant from the tip of a tool (19) in a tool holder (18) and suppressing a waste of the spray coolant, wherein the tool holder (18) is fixed to the tip part of a spindle (2) mechanically detachably through clamp means (KR), an extension passage (104) is formed in the state that an in-spindle spray coolant passage (102) formed in the center part of the spindle (2) is formed to communicate with the in-holder spray coolant passage (103) through the extension passage (104).
    Type: Grant
    Filed: January 9, 2002
    Date of Patent: June 24, 2003
    Assignee: Horkos Corp.
    Inventors: Shinsuke Sugata, Yoshihide Seo, Takashi Kobayashi
  • Patent number: 6579215
    Abstract: A tool, attachable to a spindle of a machine tool and capable of changing independently a rotational speed of a cutting tool from that of the spindle, provided with a cutting tool for machining a workpiece, an electric motor for driving the machining tool, a generator for generating electric power to drive the electric motor by the rotation of the spindle, a tool holding part for rotatably holding the cutting tool, a casing for holding the electric motor, the generator, the tool attachment part, and the tool holding part, and a locking part for preventing rotation of the casing by engagement with a non-rotating part of the machine tool.
    Type: Grant
    Filed: July 22, 2002
    Date of Patent: June 17, 2003
    Assignee: Toshiba Kikai Kabushiki Kaisha
    Inventors: Koichi Katoh, Yasunori Katoh