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| Number | Title | Issue Date |
| 8033153 | Method and apparatus for manufacturing a battery terminal with undercut rings A method and apparatus to cold form rings or a lead battery terminal with undercuts or overhangs to improve the sealing properties of the rings. The apparatus can be one of a segmented die device and a die device wherein one die member moves relative to the other di... | 10/11/2011 |
| 7299670 | Method and apparatus for producing cylindrical components having bent portions A preparatory molding roll 4 having a convex push surface 41 is pushed to an outer peripheral surface of a work 1A while the work 1A is chucked by a pair of molds 2 and 3 and is rotated by applying axial propelling force, to... | 11/27/2007 |
| 7275295 | True vehicle running center shaft assembly system A system for assembling a vehicle drive shaft is provided with the steps of installing yokes on respective ends of a drive shaft tube, each yoke having first and second bores therethrough for receiving respective distal ends of respective spider arrangements, and ro... | 10/02/2007 |
| 7162903 | Shaft truing system An apparatus for processing a drive shaft (11) for a vehicle, the drive shaft (11) having a longitudinal axis and first and second ends. There is provided a drive arrangement for coupling to the first end of the drive shaft and applying a rotatory forc... | 01/16/2007 |
| 7140219 | Swaging head assembly An apparatus for imparting a predetermined profile to one end of a workpiece mounted on a main axis. The apparatus comprises a rotary head mounted for rotation about the main axis and at least two fingers pivotally mounted to the rotary head for pivotal movement bet... | 11/28/2006 |
| 7121129 | Folded-seam connection, method of producing it and device In ventilation and air-conditioning technology, so-called spiral pipes have to be joined together in a tightly sealed manner at widely differing angles, which is generally carried out by segment bends and pipe sections. An improved, durable seal of folded-seam conne... | 10/17/2006 |
| 7017268 | Seal reforming method and apparatus The present invention relates generally to a method and apparatus for temporarily reforming or deforming the lip portion of a resinous seal so that the seal may be readily installed in an intended application. The invention includes a method and apparatus that inclu... | 03/28/2006 |
| 7004826 | Device for smoothing gear wheels An apparatus for smoothing gear wheels has a single smoothing wheel and two further smoothing wheels opposite the single smoothing wheel. A clamping device for axially clamping the gearwheel to be smoothed can oscillate in a direction perpendicular to its rotation. ... | 02/28/2006 |
| 6968720 | Cold rolling method and apparatus for forming annular pieces A cold rolling method and apparatus for forming an annular workpiece (10) with an outer surface (11) having a given contour and an inner surface (12) having a given contour, starting from an annular blank. A rotatable forming mandrel (21)... | 11/29/2005 |
| 6935152 | Orbiting roller groover for pipe An apparatus and method for forming grooves in a pipe for receiving mechanical pipe clamps are disclosed. The apparatus includes a holding fixture for securing the pipe and a carriage rotatably mounted on the holding fixture. Two arms are pivotably mounted on the ca... | 08/30/2005 |
| 6918278 | Pipe preparation tool adaptable for different diameter pipes A tool for preparing pipes for coupling using mechanical couplings is disclosed. The tool has a movable roller pivotally attached to a body, a tapered roller rotatably attached to the body and a plurality of tool rollers rotatably mounted on a carriage slidable with... | 07/19/2005 |
| 6786073 | Apparatus and method for rolling crankshafts having split-pin bearings An apparatus and method are provided for roll hardening of crankshafts having split-pin bearings without requiring multiple rolling stages or operations therefor. The apparatus and method herein utilize a single tool unit that varies the rolling pressure on the fill... | 09/07/2004 |
| 6494072 | Method of and device for forming a clutch gear toothing on gearwheels for change speed gears A method of manufacturing a gearwheel (10) by clutch gear tooth forming with an axial undercut and a roof-shaped entry geometry consists in causing the gearwheel blank to perform a rotating movement and to cause profiled shaping tools in the form of rolls... | 12/17/2002 |
| 6470724 | Tool for producing a gear part having external toothing A tool for producing a gear part having external toothing using a method of shaping by compression or by rolling. Said tool comprises a receiving tool for supporting the work piece which is impinged upon by a projection. Said receiving tool is driven to p... | 10/29/2002 |
| 6434992 | Fillet rolling support roller The present invention provides a support tool for supporting a crankshaft journal during machining. The support tool includes a support housing having an opening and a support roller having a central portion received in the opening. The central portion is... | 08/20/2002 |
| 6393887 | Roll-hardening device pertaining to a roll-hardening machine for crankshafts The fixed roll apparatus (8) of a fixed roll machine (1) for crankshafts (3) is constructed scissors-fashion. Two pivotable scissor arms (9 and 10) disposed opposite one another each bear a fixed roll head (13) and a support roll head (14) respectively. T... | 05/28/2002 |
| 6393885 | Tooling for deep rolling fillets of crankshaft journals A rolling tool for deep rolling fillets of crankshaft journals is provided. The rolling force is divided and spread by the back up roller and directed onto the laterally spaced side shoulders of the workpiece roller. The fillet rolling forces are then rec... | 05/28/2002 |
| 6393886 | Laterally floating roller cage A roller cage (4) is provided for the guidance of a minimum of one work roller (2) of a tool for deep rolling of radii or grooves on crankshaft journals or crank pins, where the roller cage (4) is supported at the end (8) of the long leg (9) of an L-shape... | 05/28/2002 |
| 6360574 | Fillet rolling work roller cage A fillet rolling tool for deep rolling journal fillets is provided. The tool includes a housing assembly having a cavity. A backup roller having an annular groove is disposed in the cavity and is rotatably supported by the housing assembly. A work roller ... | 03/26/2002 |
| 6308547 | Shaft straightening and hardening machine and workpiece holder therefor A shaft straightening and hardening machine, including a holder for a shaft-shaped workpiece, which can be pivoted around an axis which is essentially parallel to the axis of the workpiece. The machine includes a controllable rotary drive for the holder a... | 10/30/2001 |
| 6279366 | Item with external teeth and method of forming the same Using a form roller in which a plurality of gear-like tooth generating sections are arranged along the rotation axis of the form roller in the outer periphery thereof to increase tooth heights of the tooth generating sections in a stepwise manner along th... | 08/28/2001 |
| 6272896 | Secondary (back-up) roller design for the fillet rolling of the crankshaft The present invention provides a metal working device for cold working fillets which includes an upper block journally supporting a primary roller and a secondary roller. The primary roller has a rounded outer contact surface and the secondary roller has ... | 08/14/2001 |
| 6253590 | Deep rolling tool mechanism with novel pin supported cage design An upper work tool mechanism for use in deep rolling operations and having a housing and a cover plate, as well as a cage system for operatively mounting the work rollers, with the cage being designed such that the cage and the cage retainer members have ... | 07/03/2001 |
| 6244089 | Embossing device for embossing the edge of round blanks A device for embossing the edge of round blanks, in particular coins, has a forming wheel which is provided with roll-forming segments. The forming wheel has associated abutment elements which may likewise be mounted on forming wheels. A positioning devic... | 06/12/2001 |
| 5943893 | Roll-hardening machine for crankshafts A machine for hard-rolling a workpiece such as a crankshaft includes a drive apparatus (7) for rotating the crankshaft (8, 113), suspension apparatuses (9 to 17), hard-rolling devices (18 to 26, 111) movably supported by the suspension apparatuses, and a ... | 08/31/1999 |
| 5575167 | Deep rolling split-pin fillets of crankshafts Machine and method for deep rolling fillets of split-pins of engine crankshafts. Each split-pin comprises neighboring and arcuately offset crank pins connected between counter weights and has a centralized splitter fence which receives side loads from the... | 11/19/1996 |
| 5522245 | Device for producing metal rings A metal ring producing device comprises a rigid roller and a resilient roller. The resilient roller has an outer cylindrical portion covered with an elastic annular member. The resilient roller is positioned near the rigid roller so that a metal plate mem... | 06/04/1996 |
| 5495738 | Metal rolling machine with opposing banks of jaw units for working a centered workpiece and method of rolling annular fillets of workpieces Machine and method for deep rolling annular fillets of journals of metallic workpieces, such as the crank pins of an engine crankshaft in which the crankshaft is loaded into a center positioned turning lathe, and left and right hand banks of floating jaw ... | 03/05/1996 |
| 5481893 | Apparatus for hose crimping machine An apparatus is provided for crimping fittings to hose assemblies. A pair of drive rollers are used for rotating a fitting. A pair of deflector rollers are positioned opposite of the drive rollers. A fitting and hose assembly is placed between the drive r... | 01/09/1996 |
| 5445003 | Engine crank pin rolling equipment, rolling tool and method of rolling adjacent and offset crank pins Arcuately offset pairs of juxtapositioned pin journals of an internal combustion engine crankshaft have their fillets pressure rolled for fatigue strengthening by opposing inclined rollers carried in cages at the lower ends of a pair of relatively rotatab... | 08/29/1995 |
| 4977940 | Device for straightening boards Boards that have been separated by a chipless cutting method using an inced blade, are twisted and, in most instances, this twist has to be corrected before boards that have been produced in this manner can be used. An apparatus in which a plurality of p... | 12/18/1990 |
| 4942752 | Apparatus for reforming and restoring the surface of a cylindrical workpiece manually A handtool for restoring and reforming the surface of cylindrical workpieces.... | 07/24/1990 |
| 4821548 | Apparatus for chamfering edges of a rim element An apparatus for chamfering through press forming edges of a rim element is provided upstream of a flaring machine for forming a rim shape on a disk wheel manufacture line. The apparatus includes a pair of edge rolls having vertically extending axes and h... | 04/18/1989 |
| 4819468 | Roll forming notches in a thin-wall power transmission member An apparatus and method for forming a power transmission member from a thin-walled blank, the apparatus including a pair of dies (84) having opposed work surfaces, and a mandrel (50) positioned between the work surfaces of the dies (84) for receiving a bl... | 04/11/1989 |
| 4785649 | Tapered thread roll-forming machine An apparatus for forming tapered threads to a workpiece such as a pipe comprises a casing and a supporting member attached to one side of the casing, and three support plates rotatably attached to the supporting member. Roller members or cam members are s... | 11/22/1988 |
| 4669292 | Underfloor wheel set barring machine for retreading of rim circumferences of railroad wheel sets An underfloor wheel set barring machine for retreading of wheel rim circumferences of railroad wheel sets. Two driven pairs of friction rollers can be pressed against a wheel rim circumference with the friction rollers of each pair being arranged to pivot... | 06/02/1987 |
| 4485537 | Machine for the machining of crankshafts Known machines for the machining of crankshafts, in which the machining units for the machining of the crankshaft are supported and moved by operating crankshafts, are not adjustable to different offset angles of crankshafts to be machined. Therefore a ma... | 12/04/1984 |
| 4468187 | Apparatus for producing a tubular article having an annular groove therein A tubular article having a peripheral groove is formed by providing the groove in the wall of a tubular blank made of thermoplastic material such as polyethylene terephthalate by applying simultaneously a pressure against the wall of the blank and axial s... | 08/28/1984 |
| 4397170 | Double feed eyelet machine with roll forming capability Modification of a standard commercial multistation transfer press is disclosed to provide greater output capacity from that press, especially in producing workpieces which require a rolling operation in the forming process. The modified press utilizes dou... | 08/09/1983 |
| 4305190 | Gear burnisher An improved gear burnisher for removing minor gear tooth defects by burnishing is provided by rotating the work gear to be burnished in mesh with three different burnihing gears, at least one of which is powered. The improvement consists of burnishing the... | 12/15/1981 |
