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| Number | Title | Issue Date |
| 8065902 | Hemming apparatus A lower platen of the hemming apparatus is provided with a hem punch capable of being pressed against an inner periphery bent portion of a workpiece having a frame and a cam follower. The cam follower is disposed on the lower platen to come outside the frame of the ... | 11/29/2011 |
| 7350391 | Method for manufacturing clutch housing A method for manufacturing a clutch housing comprises: a first step of forming a work into a pre-product having a shaft portion and an outer drum portion enclosing the shaft portion integrally with the shaft portion; a second step of subjecting the pre-product to pr... | 04/01/2008 |
| 7243524 | Negative-angle press-working die Operations for uniting together a fixed support base 4 for fixedly supporting a workpiece W and a support die and for composing and decomposing a negative-angle press-forming die to take out a product processed by a negative-angle press-forming process are pr... | 07/17/2007 |
| 7237419 | Bending machine A bending tool (12) for bending workpieces, especially plate and sheet metal blanks includes at least one bending element (23) positioned on one side of a workpiece as well as a retainer device with clamping elements (14, 42) on opposite sides o... | 07/03/2007 |
| 7237423 | Apparatus for stretch forming blanks A blank is stretch formed into a formed piece by bending the blank over a stationary punch. A draw ring has a step that cooperates with a pad ledge to create a step-ledge. The blank is bent with a reverse bend at the step-ledge. Subsequently, the step-ledge travels ... | 07/03/2007 |
| 7204118 | Hemming tool die assembly A hemming die tool assembly for use with an anvil supporting a workpiece to be hemmed. A mounting plate is pivotally secured about an axis relative to the anvil while a vertical slide is slidably attached to the mounting plate along a first direction. An elongated c... | 04/17/2007 |
| 7191635 | Press mounted cam A press mounted cam has a slide guided on an adapter by structural features including as one or more T blocks fixed to the slide and received in a respective channel formed in the adapter. In an aerial cam embodiment, a vertical clearance space is provided between t... | 03/20/2007 |
| 7134313 | Method and tool mounting for adjustment of tools on a press mounted cam A tool mounting and method for adjustably mounting a tool holder on a cam slide of a press mounted cam also including an adapter body and driver. The tool mounting includes a tooling plate adjustably secured to the cam slide by a series of dowel pins closely fit in ... | 11/14/2006 |
| 7114364 | Cam slider The invention relates to a cam slider with an upper guiding part containing a cam element (20) and a cam guiding element (10), and with a lower guiding part containing a driver element (40), the upper guiding part (10, 20) being holdable ... | 10/03/2006 |
| 7080542 | Press mounted cam and method of manufacture A press mounted cam has an adapter, slide and a driver with range of sizes and working angles provided at low cost by driver and/or adapter constructions having base plates and a series of side by side upright plates of a number corresponding to a given length with ... | 07/25/2006 |
| 7047779 | Curvilinear punch motion for double-action hot stretch-forming A method for forming sheet metal articles, such as automotive body panels, having complex curvatures. Opposing, complementary, pre-form and finish-form tools are used in a single press. A sheet of hot blow-formable sheet metal alloy, heated to a forming temperature,... | 05/23/2006 |
| 7043956 | Module cam and method for aligning and fastening tool To facilitate aligning and setting of a punch in a die of a press machine, a module cam assembly comprises a cam unit and an L-shaped module base. The cam unit comprises a cam driver, a cam slider equipped with a positive return to be driven by the cam driver, and a... | 05/16/2006 |
| 7013783 | Slide cam die A slide cam die including a slide cam base, a wedge-shaped slide cam sliding on a guide surface of the slide cam base and mounting a press tool such as a punch or a trimming blade thereon, and an actuating cam driving the slide cam in contact therewith. A press tool... | 03/21/2006 |
| 6997029 | Roller cam mechanism and drive assembly with positive retraction A roller cam mechanism and driver assembly which features a positive retraction cam elements comprised of auxiliary rollers and side plate slots which cooperate upon failure of a retraction spring compressed by advance of a tooling slide to cause positive retraction... | 02/14/2006 |
| 6990844 | Narrow aerial and die-mount cams Narrow aerial and die-mount cams, each having a cam adapter, a driver and a slide sandwiched between the cam adapter and driver. The narrow aerial cam slide has an elongate primary portion that has a T-shaped cross-section and has a primary bearing surface, and the ... | 01/31/2006 |
| 6978651 | Roller cam A roller cam with pairs of sliding surfaces and wear plates located in an upper plane and with pairs of laterally slanted sliding surfaces and pairs of laterally slanted guiding wear plates located in a lower plane. The guiding wear plates are longitudinally contain... | 12/27/2005 |
| 6928848 | Flanging processes with radial compression of the blank stretched surface A method and tool for forming a hem flange. A larger radius bend is initially formed when a pre-hem flange is formed. A sharper radius bend is subsequently formed when the flange is formed. After the flange is formed, conventional hem forming methods and tools may b... | 08/16/2005 |
| 6843094 | Beltline hemming machine A mechanism for hemming the beltline of a vehicle door panel is combined with a mechanism for hemming the outside perimeter of the door panel, and the two mechanisms are driven by a common drive. The beltline hemming steel acts on the beltline hem before the outside... | 01/18/2005 |
| 6755070 | Cam-type press system A cam-type press system is provided which includes a cam base slidably mounted on a lower die and securing a material panel with a formation pad: cam base steel is mounted on the cam base corresponding to a height of the formation cam. The cam base steel is performs... | 06/29/2004 |
| 6619095 | Press apparatus A pressing apparatus provides an urging force for a slide cam to press only when necessary, and elsewhere this pressing-force is maintained as small as possible. Abnormal wear and seizure of the slide cam, slide cam base and the sliding portion of the dri... | 09/16/2003 |
| 6295858 | Hemming apparatus A hemming apparatus is disclosed including a hemming die for placing and supporting a work, a hemming punch including previous bending portion and bending portion each placed adjacent to said heming die and carrying out bending of said work, a slide cam f... | 10/02/2001 |
| 6263717 | Press-forming die set including rotary cam having negative-angle forming portion and rotatable about vertical axis A press-forming die set including a first die and a second die which are linearly movable in a press-forming direction for mutual engagement to form a negative-angle portion on a workpiece placed on the second die, the press-forming die further including ... | 07/24/2001 |
| 6253439 | Method for fastening a reinforcement frame in a vehicle roof opening To fasten a reinforcement frame in an opening in a vehicle roof member, the roof member is supported on a flanging bed and moved in succession against flanging edges of a plurality of flanging jaws. To insert the jaws into the roof opening, the jaws can b... | 07/03/2001 |
| 6196040 | Negative angular forming die and pressing apparatus A negative angular forming die having a lower die for supporting a workpiece. An upper die is lowered with respect to the lower die to abut against the workpiece for forming the workpiece. A columnar body is rotatably mounted on the lower die, and a groov... | 03/06/2001 |
| 6178799 | Forming press and method for shaping angle-section workpieces A forming press for L-shaped and T-shaped workpieces includes first and second press members relatively movable toward and away from each other along a first direction, a first forming die carried by the first press member for engaging and deforming the w... | 01/30/2001 |
| 6164115 | Cam slider and a cam unit using the same Disclosed is an improved cam slider in a cam unit to be fixed to a stationary metal mold tool and a movable metal mold tool for machining a pressed product. The cam slider is equipped with a resilient member to allow the cam slider to return to its origin... | 12/26/2000 |
| 6038908 | Bending die having rotary die This invention is comprised of a lower die having a groove-like cavity formed at its upper surface; a rotary die supported in the cavity of the lower die at both ends thereof by a shaft and rotatably stored in it; an upper die arranged above the rotary di... | 03/21/2000 |
| 6006576 | Super stretch draw die and method A die assembly for draw stamping sheet metal in a press. The die assembly has an upper die structure and a lower die structure, each constructed and arranged to me mounted on a press for reciprocal movement therebetween. The upper die structure and the lo... | 12/28/1999 |
| 5970766 | Bending machine for closing channels A bending machine for closing channels which simultaneously bends both side walls of a "U" shaped metal channel, comprising: a support frame; a lower male member slide mounted on the support frame, having a normally closed two-halves male member, each hal... | 10/26/1999 |
| 5904064 | Cam assembly for use in a pressing machine Disclosed is an improvement in a cam assembly for use in a pressing machine having a lower cam to be fixed to the base of the pressing machine, a spring-biased sliding cam whose front surface is allotted to fix a machining tool and a cam holder to be fixe... | 05/18/1999 |
| 5887474 | Method for manufacturing a rocker arm The present invention provides a method and apparatus for forming an outwardly extending tubular portion in a side wall of a workpiece, such as a rocker arm. The method includes the following steps: (1) positioning the workpiece in a punch press having a ... | 03/30/1999 |
| 5884521 | High performance aerial and die mount cams Aerial and die mounted cams are provided with dual opposed wearplates on bearing surfaces.... | 03/23/1999 |
| 5881599 | Cam for press die A cam (1) for a press die comprises: a movable cam slide (3) having a cam slide (3) which has a cam surface (2) and is movable in an X-direction; a cam driver (4) for moving the cam slide (3) in the X-direction by abutting against the cam surface (2) of t... | 03/16/1999 |
| 5746083 | Hemming machine A hemming machine adapted to externally and internally hem a sheet metal fabrication comprising an anvil which itself is apertured so as to register with an aperture in the metal fabrication which is to be internally hemmed, wherein additional hemming app... | 05/05/1998 |
| 5740691 | Hemming machine A press is described for prehemming and final hemming the internal periphery of an aperture in sheet material received on an anvil (10) on which the sheet material (12) is held down so that the upturned edge (14) of the aperture which is to be hemmed is s... | 04/21/1998 |
| 5735162 | Folding device The invention relates to a clinching press comprising a press tool (52) and a prebending unit (1) to produce a reciprocating movement in a tool holder (14) of a prebending tool (12), said tool holder being articulated to a foundation (2). The prebending u... | 04/07/1998 |
| 5718144 | Dwell cam driver for stamping press A dwell cam driver for advancing a horizontal slide into engagement with a workpiece to be formed in a stamping press. The driver has a pivoted anvil and the slide also has a pivoted anvil. When the driver moves downwardly, cam faces on the anvils interen... | 02/17/1998 |
| 5711180 | Pressing cam die A pressing cam die includes a cam slide having a cam surface; a supporting device for supporting the cam slide onto an upper die such that the cam slide is movable in a downwardly inclined direction; a coil spring for urging the cam slide toward its initi... | 01/27/1998 |
| 5647243 | Device for hemming elements of pressed sheet metal An operation for hemming two sheet metal elements is carried out by two subsequent bending operations respectively carried out by two hemming tools which come in operation in sequence and are driven by cams mounted on a rotating driving shaft.... | 07/15/1997 |
| 5535789 | Lead wire forming apparatus capable of preventing the peeling of the solder from the lead wire First and second dies are movably opposed to each other. The second die is for pinching a package and a lead wire of the package in cooperation with the first die with a portion of the lead wire that protrudes from the first and the second dies. A slidabl... | 07/16/1996 |
