Plural Cutters Patents (Class 409/203)
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Patent number: 5628594Abstract: A horizontal insert designed for horizontal insertion in a universal turret milling machine, particularly Bridgeport-type milling machine, to facilitate performance of horizontal milling, drilling, boring and tapping operations, as well as standard vertical machining operations, in one setup. The horizontal insert is characterized by a generally cylindrical quill housing designed for insertion between the bottom column element and top ram element of a Bridgeport-type milling machine or secured to a plate so mounted. In the first embodiment the bottom surface of the quill housing is bolted to the top surface of the column and the upper surface of the quill housing is bolted to the bottom surface of the turret.Type: GrantFiled: August 14, 1995Date of Patent: May 13, 1997Inventor: James R. Fetty
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Patent number: 5586476Abstract: A process and device for machining bars, tubes or tube blanks, especially strand-cast copper blanks, in which the work piece to be machined--supported in the cross-plane of the metal-cutting device is cut on its periphery and along its length, while the die and the work piece are continually moved relative to one another in the longitudinal direction of the work piece. At least one die rotates concentrically around the work piece, which is held in a rotation-proof manner, on a plane inclined toward the longitudinal axis of the work piece and with its cutters simultaneously machines two areas of the work piece surface that are located opposite to one another.Type: GrantFiled: May 10, 1995Date of Patent: December 24, 1996Assignee: Mannesmann AktiengesellschaftInventor: Karl-Joseph Esser
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Patent number: 5391025Abstract: An apparatus for cutting a path of propellant grain away from a solid rocket motor. The apparatus includes a telescoping arm connected to a rotatable body. A cutting tool having a primary and secondary cutter is connected to a distal end of the telescoping arm. The secondary cutter is disposed adjacent the primary cutter and configured to make cuts through the portion of propellant grain along the path such that the grain is cut away from the rocket motor in a plurality of pieces. The telescoping arm includes a plurality of interconnected extendable concentric cylinders configured with a plurality of ball/spring detents each bearing a resistance load for restraining one of the concentric cylinders such that the innermost unextended of said concentric cylinders extends prior to the extension of any other of said unextended concentric cylinders.Type: GrantFiled: April 21, 1992Date of Patent: February 21, 1995Assignee: Thiokol CorporationInventor: Paul W. Hoekstra
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Patent number: 5214976Abstract: Combining a plurality of two dimensional drive systems, a plurality of moving bodies can be independently moved by each of the two dimensional drive systems. Therefore, tools, robot-heads, work, etc. attached to the moving bodies can be moved independently. By attaching one of the two dimensional drive systems to another, the movement of both moving bodies are composed, so that the moving body of the one attached to another can be moved compositely. Therefore, the moving body or a tool, etc. attached thereto can be moved in a complex motion.Type: GrantFiled: July 13, 1992Date of Patent: June 1, 1993Inventor: Ken Yanagisawa
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Patent number: 5163789Abstract: A device for producing drilled holes with an undercut in facing panels includes a drill bit with a drill head that produces an undercut, and a drilling table for supporting a facing panel in which the drilled holes with an undercut are to be produced and displaceable in a plane of the drilling table. A trunnion projecting from a rotatable base member and engaging a bearing secured to the drilling table is movable between a first position in which the trunnion axis coincides with the axis of rotation of the base member, and a second position in which the trunnion axis is eccentric to the axis of rotation of the base member to effect swiveling of the drilling plate when the rotatable base is driven rotatably.The device has a mechanism for moving the trunnion between the first and second positions including a lever pivotally mounted on the base member, the trunnion being mounted on the lever, and a piston-cylinder drive secured to the base member for pivoting the lever.Type: GrantFiled: March 11, 1991Date of Patent: November 17, 1992Assignee: fischerwerke Artur Fischer GmbH & Co. KGInventors: Wilfried Weber, Stefan Lind, Herbert Erath
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Patent number: 5100270Abstract: The present invention relates to a method and apparatus for cutting mat board, and more specifically for cutting apertures including non-linear boundaries in mat board. The preferred embodiment of the apparatus of the present invention includes an automatically controlled rotating cutting tool, preferably with a V-bit for cutting apertures having bevelled boundaries according to a predetermined pattern. The preferred embodiment of the method of the present invention includes stacking first and second mat boards and cutting through said first board into said second, removing said first board into said second, removing said first board, and cutting the same aperture in the same location in said second mat board which has been stacked on a third, uncut mat board.Type: GrantFiled: March 6, 1990Date of Patent: March 31, 1992Assignee: Artistic Mat, Inc.Inventors: Robert K. Dowdle, Barton K. Dowdle
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Patent number: 5096346Abstract: A side face machining apparatus includes a pair of slide blocks opposed to each other and provided with work supports on respective opposed ends. At least one of the slide blocks is reciprocatingly movable toward and away from the other slide block. A pair of mount tables are mounted on the respective slide blocks movably in a direction intersecting the direction of reciprocating movement of the slide blocks. Each of the mount tables is provided with a machining tool. Each work support includes a contact portion having a reference face for positioning workpiece in place by contact with a side face of the work piece. At least one of the work supports has at one side thereof a guide for positioning the workpiece as placed on the supports by contact with another side face thereof.Type: GrantFiled: February 17, 1989Date of Patent: March 17, 1992Assignee: Ueda Engineering Kabushiki KaishaInventor: Hiroshi Ueda
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Patent number: 4934421Abstract: A wood cutting machine having a first saw blade adapted to cut a horizontal groove in a wood member, a second saw blade adapted to cut a vertical groove in the wood member, motive means for moving the saw blades selectively into engagement with the wood member, and clamp means automatically operable before operation of the motive means for holding the wood member in place during a cutting operation.Type: GrantFiled: August 1, 1989Date of Patent: June 19, 1990Assignee: Colonial Saw Company, Inc.Inventor: Robert E. Jardinico, Jr.
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Patent number: 4833764Abstract: A program-controlled machine tool is described, for machining workpieces by means of rotary tools which can be brought into engagement with a workpiece under timewise control. The workpiece is disposed on a cross table which rests on a program-controlled rotatable workpiece table which in turn is guided along a first main axis. The tool support region has a vertical support post which bears on its top a translational carriage which is vertically adjustable and is movable in a direction perpendicular to the vertical. Such carriage further bears tool mounts. The mounts comprise a common revolving head the rotational axis of which coincides with the vertical movement axis of the said translational carriage. The revolving head has at least two program-controlled rotatable tool tables the rotational axes of which perpendicularly intersect the rotational axis of the revolving head in a single point. The rotatable tool tables are also program-controlled and bear holding members for various working units, e.g.Type: GrantFiled: August 31, 1988Date of Patent: May 30, 1989Assignee: Guhring Automation GmbH & Co.Inventor: Hans Muller
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Patent number: 4750849Abstract: A method and apparatus for cutting a pair of circular grooves in the side edges of the periphery of a circular disk such, for example, as the stator of an alternator. A milling cutter having axially spaced cutting elements along its periphery is positioned so that its axis is parallel to the axis of the disk. The cutter is moved toward the disk while being axially rotated, to cause the cutting elements to cut into the side edges of the periphery of the disk. The disk is then rotated one full turn to cause the cutting elements to cut the grooves.Type: GrantFiled: January 8, 1987Date of Patent: June 14, 1988Assignee: J. D. Phillips CorporationInventor: James D. Phillips
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Patent number: 4735530Abstract: An apparatus for simultaneously milling the surfaces of two plastic pipe sections facing one another, aligned parallel to one another, and mounted on a metal pipe. The plastic pipe sections may be milled on the metal pipe since the apparatus is provided with a spur gear having a recess and connected to two circular milling disks having congruent recesses and milling cutters, and arranged on both sides of a forked housing. In a specified angular position, the recess of the spur gear and the recesses of the milling disks form a U-shaped seat which merges in a semicircular end. The rotational axes of the spur gear and the milling disks coincides with the center of the semicircular end of the seat, and the width of the seat is greater than the maximum outer diameter of the metal pipe and smaller than the minimum inner diameter of the plastic pipe sections.Type: GrantFiled: November 25, 1986Date of Patent: April 5, 1988Inventors: Armin Dommer, Dieter Dommer
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Patent number: 4717297Abstract: A support bracket and guide assembly is employed with a multiple spindle head or other milling device to be mounted on a milling machine. A support bracket mounted on the horizontal dovetail ways of the machine holds a guide plate in which a vertical guide bar is slidably disposed. A slider mounted at the foot of the guide bar rides on an arcuate horseshoe member whose center is positioned at the axis of the device input shaft. The slider is tightened on the horseshoe member at a desired angle.Type: GrantFiled: December 12, 1986Date of Patent: January 5, 1988Assignee: Camloh Industries, Inc.Inventors: William J. Camloh, Charles Alcott
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Patent number: 4685845Abstract: A babbit guide plug resurfacing apparatus includes a motorized clamp assembly for holding a circular saw guide in a fixed position so that guide plugs on both sides thereof are exposed, and for moving the saw guide into engagement with an abrading assembly. The abrading assembly comprises upper and lower turntables coupled by a belt to a motor. The turntables, which include cutter heads on their inside surfaces, are separated by a spacer so as to allow the guide plugs to pass between the plates for simultaneous resurfacing which insures uniformity of the smoothness of the surface of each plug.Type: GrantFiled: November 10, 1986Date of Patent: August 11, 1987Inventor: James Emter
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Patent number: 4679973Abstract: A pair of opposed spindleheads are rigidly mounted on a bed for holding a crankshaft to be machined between a pair of chucks on the ends of indexing spindles. One or more, preferably two, cutter assemblies are provided between the spindleheads for movement therebetween. Each cutter assembly includes a carriage slidable along a guideway on the bed and itself having slidably mounted thereon a slide which is reciprocable in a direction normal to the axis of the crankshaft. Mounted to the slide for rotation about an axis parallel to the axis of the crankshaft is a disklike tool holder carrying a annular, rotary cutting tool in an eccentric position thereon. The cutting tool has an annular row of internal cutting edges surrounding with clearance a desired part of the crankshaft to be machined.Type: GrantFiled: November 17, 1983Date of Patent: July 14, 1987Assignee: Kabushiki Kaisha Komatsu SeisakushoInventors: Kazuo Kodama, Keishi Morikawa
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Patent number: 4602901Abstract: A milling-boring machine is described which allows various types of operations to be carried out on a workpiece of medium-large size so as to allow its complete working in a single location. The machine includes a pillar, a slide movable vertically along the pillar and a cylindrical head rotatably mounted in the slide, the head being rotatable and the slide being movable by digitally controlled drive means. The head carries two mandrels with their axes parallel to each other and parallel to the axis of the head, and at a predetermined distance therefrom, the mandrels being selectively rotatable at different speeds. Selected tools are mounted on the mandrels and on tool accessories attachable to the head. The machine further includes an accessory magazine for selectively supplying accessories to the head and a tool magazine for selectively supplying tools to the mandrels and to the tool accessories, with automatic devices for changing the accessories and the tools.Type: GrantFiled: February 6, 1984Date of Patent: July 29, 1986Assignee: Innse Innocenti Santeustacchio S.p.A.Inventor: Francesco Cotta Ramusino
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Patent number: 4564323Abstract: An external milling machine for the machining of planar, shallowly curved, or circular workpiece contours, consisting of a gyro cutterhead which is rotatably mounted in an internal cam, which in turn is rotatably mounted in an external cam, which in turn again is rotatably mounted in a casing, both of the cams being variable in their position with respect to one another. To enable the machining to be done while the workpiece remains stationary, and to make it as independent as possible of the radius of curvature of the contour being machined, that is, to guide the workpiece [sic] along a course equidistant from the contour being machined, the gyro apparatus is constructed such that the external cam and/or the internal cam are drivable, and such that the casing together with the internal and external cams is displaceable along at least a straight line perpendicular to the workpiece axis.Type: GrantFiled: December 8, 1983Date of Patent: January 14, 1986Assignee: Oerlikon-Boehringer GmbHInventor: Hermann Berbalk
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Patent number: 4534687Abstract: A belt cutting apparatus and method of making same are provided for cutting a non-contoured and cured polymeric belt sleeve to define an endless power transmission belt construction having at least one pair of opposed non-parallel side portions wherein such apparatus utilizes a rotatable cutting instrument comprised of a rotatable support body having a central axis, at least one rake-like cutting bar having an elongate axis and having cutting means provided thereon as an integral part thereof with the cutting means providing the belt construction, and means supporting the bar on the body with its elongate axis parallel to and radially spaced from the central axis and wherein the cutting means extends perpendicular to the elongate axis.Type: GrantFiled: October 24, 1983Date of Patent: August 13, 1985Inventor: G. Brian Hetz
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Patent number: 4512695Abstract: The invention relates to an apparatus for carrying out a process for separating electrolysis bath residues on used anode units removed from electrolysis cells for the production of aluminum by the Hall-Heroult process, said units comprising a cabon residue 5 or "butt", in which are sealed discs 3 interconnected by flanges 2 welded to a suspension rod 13, the axes of the discs 3 being parallel to the axis of the suspension rod 13, said process comprising passing at least one rotary milling cutter 9, of which the axis of rotation 10 in the working position is substantially parallel to the axis of the rod 13, through the space situated between the discs and around the discs 3 and defined by the upper face of the carbon butt 5 on the one hand and the flanges 2 on the other hand.Type: GrantFiled: July 1, 1982Date of Patent: April 23, 1985Assignee: Aluminium PechineyInventors: Marcel Brun, Andre Perret, Claude Cailleux
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Patent number: 4494281Abstract: The present crankshaft milling machine comprises at least one milling slide in which the drive spindle is rotatably supported. A milling tool with axially spaced disk cutters is also rotatably supported in the milling slide and operatively connectable, for example, by a clutch, to the drive spindle. One support bearing of the milling tool is constructed as an axial thrust bearing. The clutch between the milling tool and the drive spindle is constructed to transmit torque moments and it is unable to transmit axially effective forces or loads. The clutch and divided bearing shells permit the exchange of the milling tool including the arbor carrying the cutters as a unit.Type: GrantFiled: January 16, 1984Date of Patent: January 22, 1985Assignee: Gebrueder Heller Maschinenfabrik GmbHInventor: Karlheinz Schmid
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Patent number: 4423990Abstract: A crankshaft milling machine comprising a bed, guide rails carried by the bed, a milling unit having a pair of arbor slidably mounted on the guide rails, the milling unit being adapted to move back and forth along the guide rails, a pair of headstocks mounted on the bed each having a spindle mounted therein, a pair of chucks each mounted on the respective spindles for clamping a workpiece to be milled, and a center stock mounted on the bed for supporting one end of the workpiece.Type: GrantFiled: March 20, 1980Date of Patent: January 3, 1984Assignee: Kabushiki Kaisha Komatsu SeisakushoInventors: Kazuo Kodama, Yoshihiro Tsukiji
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Patent number: 4313478Abstract: A wood working router which comprises a plurality of turret heads adapted to be selectively operated and each having a plurality of radially and outwardly extending tools and the corresponding number of motors for driving the individual tools, a mechanism associated with each turret head for intermittently rotating the turret head so as to move a selected one of the tools to the processing position each time the turret head is rotated, and a workpiece holding and releasing device for holding a workpiece on a sucking table by suction and releasing the workpiece from the sucking action.Type: GrantFiled: September 18, 1979Date of Patent: February 2, 1982Assignee: Helan Iron Works, Ltd.Inventor: Yukitomo Suzuki
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Patent number: 4309134Abstract: The present crankshaft milling machine comprises at least one milling slide in which the drive spindle is rotatably supported. A milling tool with axially spaced disk cutters is also rotatably supported in the milling slide and operatively connectable, for example, by a clutch, to the drive spindle. One support bearing of the milling tool is constructed as an axial thrust bearing. The clutch between the milling tool and the drive spindle is constructed to transmit torque moments and it is unable to transmit axially effective forces or loads.Type: GrantFiled: August 6, 1979Date of Patent: January 5, 1982Assignee: Gebrueder Heller, Maschinenfabrik GmbHInventor: Karlheinz Schmid
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Patent number: 4269551Abstract: A crankshaft is machined at cylindrical portions consisting of mainshaft portions and crankpins and at crankweb side faces associated with the cylindrical portions in a sequence of steps which proceed in the direction from one end of the crankshaft to the other. Each step comprises machining a crankpin which precedes a given succeeding mainshaft portion and a mainshaft portion, when viewed in this direction while the crankshaft is supported by a steady at the given mainshaft portion and machining crankweb side faces adjoining one of the cylindrical portions at the same time as the one cylindrical portion. To improve the accuracy with which the crankshaft can be machined, each of the step comprises machining said one cylindrical portion before the other and machining the crankweb side faces associated with the other cylindrical portion at least in part during the machining of the one cylindrical portion.Type: GrantFiled: April 6, 1979Date of Patent: May 26, 1981Inventor: Bruno Kralowetz
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Patent number: 4184235Abstract: An apparatus for shaping anodes for electrolytic refining in the form of flat plates having support ears extending outwardly of a top edge and opposite side edges thereof, the apparatus including a receptacle for holding the plates parallel, vertical and spaced apart, vertically movable beams engaging the ears for supporting the plates, shaping devices movable toward and away from opposing sides of the receptacle for shaping the under-surfaces of the support ears, and a device movable vertically and horizontally for transferring the plates into the receptacle for being shaped and for transferring the shaped plates from the receptacle, whereby the support ears may be shaped concurrently for improving the contact of the anodes with bus bars.Type: GrantFiled: August 28, 1978Date of Patent: January 22, 1980Assignees: Sumitomo Metal Mining Co., Fuji Sangijo Co., Ltd.Inventors: Masaharu Ono, Hirofumi Kurokawa, Kimio Yoshida, Tadashi Itado, Yasuhiro Uchihara
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Patent number: 4180359Abstract: The present machine tool for crankshafts and the like is constructed to support the crankshaft directly adjacent to the point where the crankshaft is subjected to a machining operation. For this purpose both machining units are provided with an additional workpiece supporting device. At least one, preferably both of the additional workpiece supporting devices are axially displaceable into a rest position over or above a member cantilevered from the tool drum.Type: GrantFiled: December 19, 1977Date of Patent: December 25, 1979Assignee: Gebrueder Heller Maschinenfabrik GmbHInventor: Karlheinz Schmid