With Bodily Motion In Fixed Path Patents (Class 72/301)
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Patent number: 11440147Abstract: A controller performs a first process of scanning a cylindrical irradiation region including a focused spot of laser light emitted from a laser light emitter to machine a flank face side of a workpiece to manufacture a cutting tool having a plurality of cutting edges arranged in line. In the first process, the controller scans the cylindrical irradiation region along a scanning path that has periodicity and changes a machining depth to form the plurality of cutting edges. The controller further performs a second process of scanning the cylindrical irradiation region including the focused spot of the laser light emitted in a direction different from an irradiation direction of the laser light in the first process to machine a rake face side of the workpiece.Type: GrantFiled: February 25, 2020Date of Patent: September 13, 2022Assignees: National University Corporation Tokai National Higher Education and Research System, Nagoya Institute of TechnologyInventors: Eiji Shamoto, Fumihiro Itoigawa
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Patent number: 9649817Abstract: Apparatuses and methods for forming a joggle and a longitudinal ridge in a multi-ply composite charge are disclosed. Charges may be formed in a forming press that comprises a joggled die, with a longitudinal ridge and a joggle that crosses the longitudinal ridge, and a conforming die, with a series of longitudinally-spaced die fingers. The die fingers include pairs of die members configured to move laterally between a closed position and an open position, with each die member configured to tilt longitudinally.Type: GrantFiled: July 21, 2014Date of Patent: May 16, 2017Assignee: The Boeing CompanyInventors: Brian Gregory Robins, Silas Lawton Studley, Darrell Darwin Jones, Brad Andrew Coxon
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Publication number: 20130276502Abstract: Disclosed is a method of expanding a vehicle for extracting a person trapped therein by providing a multi-part structural bar with a plurality of receiving points, securing the structural bar to the vehicle such as by placing against the back seat of an interior of a vehicle or by chaining to structural elements of the vehicle. One end of an expansion ram is then set into one of the receiving points of the multi-part structural bar with the other end of the ram set into a point in the vehicle to be expanded, or against a structural plate placed in a vehicle. The ram is then activated or expanded, thus resulting in an expansion of the interior of the vehicle to permit a person trapped therein to be extracted.Type: ApplicationFiled: April 18, 2012Publication date: October 24, 2013Inventor: Pat Shaw
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Patent number: 8528379Abstract: An apparatus and method for applying tension to flexible items, including wire, barbed wire, cable, or rope, are described herein. A stationary clamping member is fixedly attached to a first end of a guide bar, extending outwardly therefrom, while a non-stationary clamping member is movably mounted to and extending outward from the guide bar substantially parallel to the stationary clamping member. The free end of a first flexible item is secured in the stationary clamping member, while the free end of a second flexible item is secured in the non-stationary clamping member. A tensioning assembly, such as a ratchet-like assembly engaging notches in the guide bar, is used to move the non-stationary clamping member away from the stationary clamping member, thereby tensioning one or both flexible items. Once the flexible items have been tensioned, they can be twisted together to form a connection without losing tension.Type: GrantFiled: April 8, 2009Date of Patent: September 10, 2013Inventor: Kirk Ernest Williamson
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Patent number: 8453488Abstract: An apparatus for bending a resilient tab, includes a chassis to support the tab, a securing element to hold the tab and a sliding element for pressing the tab. The securing element has a clamping portion pressing against a base of the tab and a blocking portion extending towards the sliding element. The sliding element includes a base, a pressing element and a bending element slidably connected to the base. The pressing element is pivotably connected to the bending element. The sliding element can move towards the securing element. As the sliding element moves towards the securing element, the pressing element is pressed by the blocking portion to move relative to the bending element. The bending element is driven by the pressing element to raise and presses the free distal end of the tab at a required angle.Type: GrantFiled: November 12, 2010Date of Patent: June 4, 2013Assignees: Fu Tai Hua Industry (Shenzhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventor: Bao-Qin Xu
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Patent number: 8209851Abstract: A machine to form the heads of coils made of relatively large rectangular wire so that it fits within the slots of the stator of an electric machine is described herein. The machine receives a coil having unformed first and second heads separated by first and second legs and apply controlled deformation thereto to yield properly shaped heads. The machine comprises first and second leg support mechanisms for gripping the first and second legs and four head forming elements for contacting portions of the heads of the wire coil while the first and second legs are gripped by the leg support. The head forming elements are mounted to the first and second leg support mechanisms for relative movement therebetween. Actuators, coupled to a controller so as to be controlled therefrom are provided for moving the head forming elements and the first and second heads between spaced apart relationships and forming relationships.Type: GrantFiled: April 25, 2006Date of Patent: July 3, 2012Assignee: TM4 Inc.Inventors: Yves Caya, Armand Caya, Sylvain Lampron, David Brabant
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Patent number: 8006530Abstract: Apparatus and methods for fabricating materials by die-forming that may be implemented to form a joggle in a bendable workpiece by securing the workpiece to each of at least two respective adjacent working areas, and then by displacing at least one of the at least two working areas relative to an adjacent working area in order to induce the joggle within the workpiece.Type: GrantFiled: May 29, 2008Date of Patent: August 30, 2011Assignee: L-3 Communications Integrated Systems, L.P.Inventor: Dumitru Tiprigan
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Patent number: 7574890Abstract: A gap-correcting device used on an assembled product is disclosed. The gap-correcting device includes a load-supporting part (22), a control part (23), and a drive part (21). The control part includes a control unit and one or more hooks (235). The control unit controls the hooks to enter and hitch one part of the assembled product to correct a gap therein. The drive part is connected with the control part and the load-supporting part. The gap-correcting device is used to correct the gaps of assembled products and can replace manual correction so that the quality of gap correcting can be improved.Type: GrantFiled: February 14, 2006Date of Patent: August 18, 2009Assignees: Hong Fu Jin Precision Industry (Shen Zhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Li-Chin Lu, Gui-Qing Deng
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Patent number: 7523633Abstract: A jig for bending a wire tray comprising: a base to carry a rear end portion of the wire tray, having a front end portion having two spaced points adapted for hangable connection; b) two swinging arms each hingably attached to the front end portion of the base; c) an arm spacer having a rear end portion having two spaced points, adapted for hangable connection, and attached to a central point on a corresponding swinging arm, so that movement of either arm moves the other arm in parallel alignment thereto; d) an interior block/clamp positioned within and thereafter clamped to the wire tray on the base; e) an interior block/clamp positioned within and thereafter clamp the wire tray on the spacer; and wherein, f) an interior side portion of the base surrounds the wire tray. When the block/clamps are properly secured within the rear and front end portions of the wire tray then the wire tray is prevented from bending.Type: GrantFiled: October 27, 2005Date of Patent: April 28, 2009Inventor: Laurence H. Mielke
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Patent number: 7401487Abstract: Apparatus and methods for fabricating materials by die-forming that may be implemented to form a joggle in a bendable workpiece by securing the workpiece to each of at least two respective adjacent working areas, and then by displacing at least one of the at least two working areas relative to an adjacent working area in order to induce the joggle within the workpiece.Type: GrantFiled: March 9, 2006Date of Patent: July 22, 2008Assignee: L-3 Communications Integrated Systems, L.P.Inventor: Dumitru Tiprigan
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Patent number: 6935154Abstract: An apparatus and a method for accurately and repeatably positioning metallic parts having variable length extrusions and shaped sheet metal in a modular die system that forms a joggle in the metallic parts. The apparatus of the present invention includes a standard joggle die system that is currently in use in the art. The apparatus further includes a movable back gage assembly that works in combination with the joggle die system to allow an operator to accurately position the workpiece between the joggle dies at a preselected position. The back gage assembly is movable in both the horizontal and vertical directions. The back gage assembly moves into a stored position away from the working area of the dies to permit the joggle to be formed in the workpiece. The back gage assembly can then move back into the working area to accurately position the next workpiece without the need for further adjustments.Type: GrantFiled: December 19, 2003Date of Patent: August 30, 2005Assignee: General Electric CompanyInventors: David Patrick Calder, Albert Randy Wolfe
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Patent number: 6711931Abstract: An apparatus and a method for accurately and repeatably positioning metallic parts having variable length extrusions and shaped sheet metal in a modular die system that forms a joggle in the metallic parts. The apparatus of the present invention includes a standard joggle die system that is currently in use in the art. The apparatus further includes a movable back gage assembly that works in combination with the joggle die system to allow an operator to accurately position the workpiece between the joggle dies at a preselected position. The back gage assembly is movable in both the horizontal and vertical directions. The back gage assembly moves into a stored position away from the working area of the dies to permit the joggle to be formed in the workpiece. The back gage assembly can then move back into the working area to accurately position the next workpiece without the need for further adjustments.Type: GrantFiled: January 18, 2001Date of Patent: March 30, 2004Assignee: General Electric CompanyInventors: David Patrick Calder, Albert Randy Wolfe
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Patent number: 6318144Abstract: A vehicle accident rescue tool, constructed so as to lift and pull a steering column vertically and horizontally. The rescue tool (10) includes a base (12), a base arm (14) carried by base (12) and, preferably, disposed at a substantially right angle to base (12). Base arm (14) includes a distal end (16) that carries a first actuator anchor point (18) and a stabilizer anchor point (20). Stabilizer anchor point (20) provides a point of attachment for a first detention cable (22) for securing the distal end (16) to a selected point on the vehicle frame. A lifting arm (36) is pivotally attached to base arm (14) and spaced apart from base (12) a selected distance. The distal end (38) of lifting arm (36) carries a second actuator anchor point (40) and an additional anchor point (42). In use, rescue tool (10) is placed on the vehicle with base (12) proximate the steering column and, preferably, positioned over a portion of the vehicle capable of supporting a load.Type: GrantFiled: August 15, 2000Date of Patent: November 20, 2001Inventor: Timothy E. Keeble
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Patent number: 5937683Abstract: A tool for use in body and frame repair of vehicles in which a defined contracting force is repetitively applied. A pneumatic ram is used to apply a contracting force between two hooks. The force applied is defined by an operator and is monitored so that the pneumatic ram is cycled between an active state (applying the defined force) and a relaxed state. Since the operator is able to define the exact amount of force being applied, damage from excessive application of force is avoided.Type: GrantFiled: October 3, 1997Date of Patent: August 17, 1999Inventor: Guy Chartier
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Patent number: 5934132Abstract: An offset conduit bender has a pair of shoes which are pivotally connected to one another so that axes of the shoes remain parallel. Each shoe has a specially shaped groove in it for receiving a tube inserted into the grooves and which support the tube as the tube is bent. The grooves also have straight sections for quickly inserting a tube into the grooves from the side of the grooves. The amount of offset is accurately adjustable by a stop which is provided beneath the movable one of the shoes and the axial position of the offset relative to one end of the tube is accurately adjusted by another tube end stop. In addition, inner and outer tube deburring tools can be provided on the bender, and the bender is preferably mounted on a portable cart.Type: GrantFiled: May 11, 1998Date of Patent: August 10, 1999Assignee: Applied Power Inc.Inventor: Brian W. Nichol
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Patent number: 5924320Abstract: In a device and method for unfolding a shaped metal article having a longitudinal bent or curved portion, the shaped metal article is unfolded along the bent or curved portion. The device is provided with a vacuum-type absorbing means for absorbing at least one side of the shaped metal article adjacent to the bent or curved portion. The one side of the shaped metal article is unfolded against the other side of the shaped metal article about the bent or curved portion.Type: GrantFiled: June 26, 1997Date of Patent: July 20, 1999Assignee: Showa Aluminum CorporationInventors: Hirozo Michisaka, Saburo Washo, Yasuo Iisaka, Kenzo Shitashimizu
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Patent number: 5910183Abstract: A stretch-forming machine of the type wherein a pair of opposed curving jaws grips opposing ends of a metal sheet to be stretch-formed in a curved configuration. Each of the jaws are formed of an array of adjacent grippers movable relative to each other by respective hydraulic cylinders to define a part of the curve of the jaw. The improvement to the stretch-forming machine which is the subject of this application comprises a closed-loop servo-control means for moving each one of the grippers into a predetermined position relative to each other. Each of the servo-control means comprises a hydraulic cylinder position controller carried by the hydraulic cylinder of the one gripper for controlling hydraulic fluid flow to the hydraulic cylinder responsive to stored data representing the desired predetermined position of one of the grippers. A motor is provided for actuating the position controller in response to the data received by the position controller to move the hydraulic cylinder.Type: GrantFiled: January 9, 1998Date of Patent: June 8, 1999Assignee: GEC Alsthom Cyril BathInventors: Jesse Carl Ford, Larry Alexander Polen
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Patent number: 5868021Abstract: In a method for binding rope- or cable-type cords with press-fit elements (13), the press-fit element (13) is placed over the cord, and the cord and press-fit element (13) are compressed radially and plastically via a pressing device (1, 11, 31, 41, 51) that is equipped with pressure clamps (3, 4), such that a reduction in the material cross-section results. In accordance with the invention, the longitudinal extension of the cord and/or the press-fit element (13) is gauged during the pressing process, and compression is halted when a predetermined end value (db) for the longitudinal extension has been reached.Type: GrantFiled: August 5, 1997Date of Patent: February 9, 1999Assignee: Novopress GmbH Pressen und Presserkzeuge & Co. KGInventor: Xuang Long Nghiem
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Patent number: 5622069Abstract: A metal stamping die for a punch press is provided that has a programmable logic microcontroller fixed directly to the die body of the stamping die. The programmable logic microcontroller is encased in epoxy resin to protect it from contaminants and to protect it from vibration which will occur as the punch press operates to stamp metal parts. Sensing devices on the stamping die are electrically connected through passages in the stamping die to the programmable logic microcontroller. An annunciator panel is positioned on the programmable logic microcontroller and has light emitting diodes to indicate the type of malfunction in the die which causes the punch press to stop when a malfunction occurs.Type: GrantFiled: March 11, 1996Date of Patent: April 22, 1997Assignee: Oberg Industries, Inc.Inventor: Harry J. Walters
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Patent number: 5548989Abstract: Apparatus for forming a form wound stator coil from a bobbin has means for clamping the straight portions of the bobbin to define the straight portions of the each leg of the coil. It also has means for bending the bobbin to predetermined radii to form arms extending from the straight portions of each leg of the coil to each nose of the coil. Means are provided for bending each arm to a predetermined radius. Means are further provided for bending the nose portions to a predetermined angle. Means for providing a drop to the arm portions of the coil relative to the stator bore are also provided. Means for forming the leads of the bobbin to a predetermined configuration are also provided. Hydraulic means for powering the apparatus and a system for controlling the hydraulic means are also disclosed.Type: GrantFiled: January 18, 1994Date of Patent: August 27, 1996Assignee: General Electric CompanyInventors: Thomas E. Howe, David M. Taccone, Robert H. Hartmann
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Patent number: 5540073Abstract: Method and apparatus applicable to a press using a die set including a lower and an upper die which are removably installed movably towards and away from each other to perform a pressing operation under the adjusted operating conditions. A memory is provided to store machine information relating to the press and necessary to determine optimum values for the operating conditions. Die set information relating to the die set and necessary to determine the optimum values are received through a data input device. A calculating device calculates the optimum values, based on the machine information and the die set information, and an adjusting device automatically adjusts the operating conditions according to the calculated optimum values.Type: GrantFiled: December 1, 1994Date of Patent: July 30, 1996Assignee: Toyota Jidosha Kabushiki KaishaInventor: Kazunari Kirii
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Patent number: 5490406Abstract: A crimping apparatus includes a pair of relatively movable jaws (22) carrying a mating pair of crimping dies (25). Stop surfaces (30) on respective ones of the jaws are in abutting relationship when the dies are fully closed. A flat film sensor (40) on one of the stop surfaces is coupled in an electrical circuit so as to produce an electrical signal when the stop surfaces come together and a force is imposed on the sensor. The electrical signal may be used to illuminate a visual display, generate an audio tone, or trigger an actuator which causes the jaws to retract to an open position.Type: GrantFiled: August 19, 1994Date of Patent: February 13, 1996Assignee: The Whitaker CorporationInventor: David A. College
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Patent number: 5425260Abstract: An accident rescue tool is disclosed having a base, a base arm fixedly attached to the base, and a lifting arm pivotably attached to the base. In addition, means for pivoting the lifting arm toward the base arm is provided, as is a first chain connected to the base arm at one end and a rigid vehicle component at the other end and a second chain connected to the lifting arm at one end and a vehicle component at the second end. The pivoting means is connected to both the base arm and lifting arm to pivot the lifting arm so that the second chain causes the vehicle component to move in conjunction herewith.Type: GrantFiled: January 27, 1994Date of Patent: June 20, 1995Inventor: Michael A. Gehron
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Patent number: 5351517Abstract: A method of stretching and bending hollow profiled lengths of material provides for the hollow profiled length to be bent symmetrically from both ends, starting from the ends of the length of material, simultaneously in a Y torsion direction under initial tension. Respective tools for bending the length of material are stationary and the hollow profiled length of material is bent in the torsion direction by means of a movable clamping head about the bending tool. The clamping head is also pivotable in the torsion direction. Alternatively, the hollow profiled length of material can also be bent about a bending template. The hollow profiled length of material is wound onto core tools from its ends and a pressing die acts on the hollow profiled length between the core tools.Type: GrantFiled: August 11, 1992Date of Patent: October 4, 1994Inventor: Walter Spath
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Patent number: 5222384Abstract: A reciprocating bender for conduit which may make equal and opposite bends in a length of conduit. The reciprocating bender includes a bending deck, a traveling bending shoe, a rising bending shoe, a jack, and a stabilizer. The conduit is placed adjacent the traveling and rising bending shoes, and the stabilizer holds the conduit in place. The jack elevates the rising bending shoe above the deck, causing the conduit to make both equal and opposite bends about the two bending shoes.Type: GrantFiled: March 24, 1992Date of Patent: June 29, 1993Inventor: Roland J. Evans
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Patent number: 5038595Abstract: An extraction device for a metal tube obtained by hot extrusion is located along an extrusion axis downstream of the die of an extrusion press. The extraction device has a group of elastic metal fingers for gripping the tube against a bearing surface of a discharge chute receiving the extruded tube. The fingers are joined at one end to a rotatable shaft in order to bring the fingers into elastic contact with an outer wall of the tube. A double-acting jack is connected directly or indirectly to the shaft in such a way as to permit the displacement of the tube clamped by the fingers towards the downstream end and to thereby extract its upstream end from the die.Type: GrantFiled: April 4, 1990Date of Patent: August 13, 1991Assignee: ValinoxInventor: Pierre G. Peytavin
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Patent number: 4922741Abstract: A stator coil former is separated into forming sections and block supports. The forming sections are preferably separated into three sections: a cell bend forming section, an involute forming section and a lead bend forming section. The cell and lead bend forming sections may be repeatedly used while the involute forming section is individually designed. The supports for the forming sections preferably include supporting the cell bend forming section on a platen which supports the center portion of the stator coil, a working table for directly supporting the involute forming section, and an auxiliary table, supported by the working table, for supporting the lead bend forming section.Type: GrantFiled: February 4, 1988Date of Patent: May 8, 1990Assignee: Westinghouse Electric Corp.Inventors: Joseph W. Bridges, Homer W. Luzader, Chandrakant P. Amin
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Patent number: 4893391Abstract: The method of making a round-rolled part for a heat exchanger comprises connecting the tubes and the irradiating elements to each other to form a rectilinear network, clamping both ends of the rectilinear network and stretching and bending the clamped network so that it assumes an arcuate shape. The premise adopted is that of a network of flat tubes consisting of rectangular tubes and irradiating elements between them, the tube network being bent round around a narrow side of the tubes. The network has one end rigidly gripped on the bending tool. The tubular network is wound onto it by rotating the latter. There is applied to the other end of the network a retaining force which counteracts the winding-on force and which maintains the tube network under tensile stress. The apparatus comprises a rotatable round bending tool and a clamping means which tangentially clamps the end of the network. Spaced from the round bending tool there is a mating holder for firmly gripping the other end of the network.Type: GrantFiled: June 15, 1988Date of Patent: January 16, 1990Assignee: Kuhlerfabrik Langerer & Reich GMBH & Co. KGInventors: Werner Zobel, Wolfgang Ostertag
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Patent number: 4739643Abstract: A manufacturing method for a diamond coil for a rotating electric machine comprises bending a straight conductor in a first plane at eight points so as to produce coil leads, coil ends, and coil straight portions. The conductor is next twisted about its longitudinal axis so as to bend the coil ends out of the first plane. The conductor is then bent in two in a second plane, which is perpendicular to the first plane and which includes the longitudinal axis of the conductor, until the two leads of the conductor point in approximately the same direction.Type: GrantFiled: April 14, 1987Date of Patent: April 26, 1988Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Kei Kuriyama, Masao Maeda, Sakuhei Ohashi
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Patent number: 4732029Abstract: An accident rescue tool adapted for use in aiding removal of an occupant from a wrecked vehicle which has been badly damaged, or is in a position rendering use of known rescue tools difficult, the tool of the present invention preferably being so designed and operable for conjunctive use with known rescue tools which comprise coactive pivotal arms contactible with components of a wrecked vehicle and having activating means to apply forces to the arms for movement and relative displacement of portions of the vehicle to facilitate access to, and removal of, trapped and/or injured occupants of the vehicle, the present tool more specifically is operable for removing and bending a vehicle steering column to permit removal of a vehicle accident victim in a minimum time interval, the tool which can also be referred to as a rescue roller, consisting of telescopic arms, a roller on a free end of one arm and a fixed roller on the free end of the other arm, the bar combination being rigid in use, adapted for placement iType: GrantFiled: September 17, 1985Date of Patent: March 22, 1988Inventor: Joseph E. Bertino
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Patent number: 4674165Abstract: The inventive method produces round parts consisting of profiled metal sections from a straight, profiled extruded section forming a wheel-like shape having butt ends joined together by welding. Bending the straight section into a round part is accomplished by first adjustably prestressing the straight section and then subjecting the prestressed section to a rolling bending operation. For this purpose, the section to be bent is wound either from one side or from both sides around the outside diameter of coordinated rolling dies the rotating rolling dies being able to additionally perform a translatory motion in the direction of the longitudinal axis of the section. The resulting wheel rim has the rim pan integrally joined to the rim ring.Type: GrantFiled: June 7, 1984Date of Patent: June 23, 1987Inventor: Walter Spath
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Patent number: 4646550Abstract: An improved coil forming machine for spreading a simple coil and forming its end turns into a shape to fit into the slots of a rotor or stator. A carriage is mounted to a support frame for free floating lateral movement. The carriage has two sections which are movable laterally closer together and further apart. Each section carries one of the two clamps at each end of the coil forming machine. A hydraulic cylinder moves the sections apart during the spreading operation and the free floating carriage goes to its equilibrium position at which the forces applied to opposite end turns are always equal.Type: GrantFiled: October 16, 1985Date of Patent: March 3, 1987Assignee: King Industrial Products Co., Inc.Inventors: Joseph S. King, Clair D. Rayl
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Patent number: 4558580Abstract: A shaper for the coils of large rotary electric machines bends an elongate loop coil blank so that the inwardly-directed faces (15) of the straight parallel sections are turned downwardly so that the ends (14) of the coil "kink" downwardly, thereby making possible a downwardly directed mallet blow for initiating kinking of the ends 14 in the correct direction.Type: GrantFiled: June 19, 1984Date of Patent: December 17, 1985Inventor: Malcolm Otty
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Patent number: 4528835Abstract: A method of and apparatus for manufacturing a roofing of sheet metal, where a sheet in a first step is preformed so as by a first operation perpendicular to its surface extension, the sheet is provided with a contour of wave-shape and in a second step, is provided with step-shaped jags of a predetermined step height by means of a pressing tool, which comprises at least one first and one second pair of tools movable to and from each other, the preformed sheet being held down by each tool pair, whereafter the tool pairs are moved relative to each other through a distance corresponding to the step height, so that the sheet by the second operation which is in a direction perpendicular to the surface extension of the sheet and to said first cut is provided with a step-shaped portion across the wave-shaped sheet, whereafter as a third operational step, the preformed sheet is advanced through a predetermined adjusted distance, and thereafter the second operational step is repeated to make a next step in the sheet.Type: GrantFiled: March 9, 1984Date of Patent: July 16, 1985Assignee: Techtrans Company, Ltd.Inventor: Bo Ekmark
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Patent number: 4497193Abstract: A gripping head (1) comprises a plurality of vertical, spaced laminae (3) defining a gripping aperture (4) for gripping a sheet (7) to be stretched. The laminae (3) are welded at one edge to flanges of a horizontal cross member. In order to facilitate the welding, and to reduce the stress concentration factor at the weld, fillers (11) are arranged between the laminae at the said edge and the weld is a butt weld (13). After welding, the ends of the fillers (11) at the weld seam (13) are bored out (18) to remove cracks, or gaps (16, 17) between the fillers (11) and the laminae (3).Type: GrantFiled: March 22, 1982Date of Patent: February 5, 1985Assignee: SMS Schloemann-Siemag AktiengesellschaftInventors: Heinrich Kutz, Dietrich Grube, Georg Eggert, Rolf Stein
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Patent number: 4450708Abstract: An adjustable flexible form for shaping electrical windings is attached between two end supports. The flexible form can be arched by moving the end supports closest to one another. A twist can be imparted into the arched flexible form by rotation of one or both end supports. Intermediate supports can be adjusted against the form to provide rigidity. Both the selected arch and twist of the form are imparted into an object pulled down and across the form.Type: GrantFiled: June 21, 1982Date of Patent: May 29, 1984Assignee: King Industrial Products Co., Inc.Inventor: Joseph S. King
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Patent number: 4320648Abstract: A method, and an apparatus for carrying out that method, for making roofing from a stretchable and deformable sheet material. The roofing sections are made from sheet material which has a preformed laterally sinu-soidal configuration which is reconfigured with longitudinally spaced steps (or folds). The finished sheet is a roofing section having the configuration of stepped tile roofing which is a substitute for true roofing tile. The sinu-soidal sheet is clamped (or pressed) in a tool between two adjacent pairs of complimentary shape clamping jaws. In that tool apparatus the two pairs of clamps are then moved relative to each in parallel paths normal to longitudinal and lateral planes through the sheet, which movement stretches the sheet to form a step (or fold) between the portions held in the two sets of clamps.Type: GrantFiled: December 24, 1980Date of Patent: March 23, 1982Inventor: Bo Ekmark