Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7392730 | Rotary punching apparatus A rotary punching apparatus includes: an upper rotation plate provided with punching member on which punching blade having a pattern of a specific shape is formed, and an upper jig which support elastically the punching member and forms a guide hole in the same shap... | 07/01/2008 |
| 7275671 | Pill splitter with rotating bed A pill splitter splits a pill in quarters along a major axis and a minor axis The pill splitter has a lower body, and an upper body, integrally affixed to the lower body. A rotating bed receptacle is rotatingly affixed in the pill splitter, and contains a bed substa... | 10/02/2007 |
| 7204181 | Reversible floating punch retainer for punch change retainer tool A punch change retainer for positioning a floating punch in a retracted, disengage position and an extended, engage position. The change retainer includes a change retainer body and a punch retainer receiving aperture extending upwardly through the change retainer b... | 04/17/2007 |
| 7201101 | Punch capable of punching an object at four directions A punch includes a jig having four punching regions, each punching region having a pattern hole and a concave embossment; guide columns extended upward from a border of the punching regions on the jig; a base for fixing the jig; a punching member punching and emboss... | 04/10/2007 |
| 7194942 | Punch structure A punch includes a base with a base plate mounted thereto and a plurality of punch units are fixedly connected to the base plate by bolts. A plurality of connection holes and connection grooves are defined in the base plate, wherein the connection grooves communicat... | 03/27/2007 |
| 7159716 | Easy cutter A cutting device is described having a base with an opening with cutting edges, and a flap articulated with respect to the base, the flap having a shape corresponding to the opening and cutting edges corresponding to the cutting edges of the opening. The cutting dev... | 01/09/2007 |
| 7114423 | Pipe notcher A tool is provided for notching an end of a pipe. A punch is provided with a first cutting edge opposite a second cutting edge. The punch is coupled to a punch holder which is configured to move vertically relative to a collar supported upon a base. A pipe support p... | 10/03/2006 |
| 7114421 | Fabric blind cut down apparatus and method of trimming fabric blinds A method of trimming the width of a blind having a head rail and a fabric panel depending therefrom, by a predetermined trim measurement, by trimming a first length from the head rail, retracting the head rail away from a first side edge of said fabric panel, trimmi... | 10/03/2006 |
| 7111538 | Double acting cam die In order to process by the same step even if the processing directions are different, reduce the number of the constituting parts of the die required for all the steps of the press dying as much as possible, easily design, and easily respond to the design change a d... | 09/26/2006 |
| 7111540 | Dual purpose puncher A dual-purpose puncher combining two-hole and three-hole punch assemblies, is shown and described. The dual purpose puncher provides a duality of uses to the consumer without the necessity for readjustment. In the preferred embodiment, the two-hole punch asse... | 09/26/2006 |
| 7104173 | Corner cutting structure An improved corner cutting structure, having a knife seat and a base pivotally connected to the knife seat. The knife seat has an inwardly recessed notch and a receiving slot formed on a periphery. The receiving slot provides the support of a blade. The base has a s... | 09/12/2006 |
| 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 |
| 7066083 | Die press with integral cover and guides and improved die feed system Disclosed is a die press, comprising a base, opposing first and second supports extending from the base, at least one cam member that is supported by the opposing supports, means for rotating the cam member, at least one bearing located on the cam member, a platen p... | 06/27/2006 |
| 7036416 | Hole punch quick-change die assembly with pin strap and positioning system Embodiments of an punch machine and a quick-change die assembly are shown and described. The die assembly may be quickly installed and removed from the punch machine, without bolting or unbolting of either machine housing or the die assembly itself. The die assembly... | 05/02/2006 |
| 7032490 | Hole punch A hole punch has a length in a first direction, a plurality of punch blocks each having a sinusoidal first guide surface, a slider movable along a frame in the first direction, and a roller connected to the slider at a position to engage the first guide surface of e... | 04/25/2006 |
| 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 |
| 6997092 | Cutting apparatus A photo cutting apparatus includes a support, a press, a linkage and a cutting device. The press is movably mounted on the support. The linkage is for pressing the press. The cutting device is arranged between the support and the press for separating photos develope... | 02/14/2006 |
| 6979153 | Deep-grooving insert having stepped cutting edge A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ... | 12/27/2005 |
| 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 |
| 6938542 | Embossing tool An embossing tool for embossing a sheet of material has a body formed with a fissure for receiving the sheet of material, a lever pivotably mounted about a pivot point on the body and a block positionable between the lever and the body. The block has an embossing fa... | 09/06/2005 |
| 6925921 | Punch structure A punch includes a base with a base plate mounted thereto and a plurality of punch units are fixedly connected to the base plate by bolts. Each punch unit has a bottom plate and a casing which is connected to the bottom plate so as to define a receiving slot between... | 08/09/2005 |
| 6925922 | Apparatus for removing tiebars after molding of semiconductor chip An apparatus for removing tiebars of a lead frame after one or more semiconductor components have been encapsulated in a resin to form a package body includes first and second removing stations. The second removing station is provided for removing scraps that may be... | 08/09/2005 |
| 6918332 | Paper punch device A paper punch device includes an elongate base having a first end, a second end, a top side and a length greater than nine inches. A compartment is positioned within the base. An aperture positioned adjacent to the first end extends through the top side into the com... | 07/19/2005 |
| 6880441 | Precision punch and die design and construction A precision punch and die device for punching holes in a ceramic substrate and method of assembling the device. The device comprises a punch which moves relative to a substrate for punching a hole in the substrate and a die assembly including one or more precision d... | 04/19/2005 |
| 6755108 | Return mechanism for a slide miter saw A miter saw includes a base, a table, a support housing connected to the table, at least one rail slidably connected to the support housing, a trunnion disposed on the at least one rail, a saw assembly pivotally attached to the trunnion and movable between a front p... | 06/29/2004 |
| 6752058 | Punching device for edge decoration The punching device for edge decoration enables repeated punching of a pattern in a target, such as paper along edges of the target. The punching device includes a jig in which a predetermined pattern is perforated, a punching member having a section corresponding t... | 06/22/2004 |
| 6742431 | Punching device for edge decoration having rotation unit A punching device for edge decoration having a rotation unit which is capable of punching out a predetermined pattern repeatedly along an edge of a workpiece while accurately rotating the workpiece at a regular pitch is disclosed. This punching device includes a bas... | 06/01/2004 |
| 6722240 | Device for destroying signals on compact disk A device for destroying signals stored on compact disk includes a base, a punching pin, and a push lever. The base has a top stub for engaging with a central hole of a compact disk positioned on the base, a through hole corresponding to a Start Lead In (SLD) area on... | 04/20/2004 |
| 6694850 | Cutter for cross cutting of reeled webs Cutter for cross cutting of reeled webs comprising a rotary cutting assembly including a blade and a counter blade rotated in synchronism with an advancement assembly of the web. The rotation axes of the blade and of the counter blade are displaceable rel... | 02/24/2004 |
| 6644161 | Paper punch with multiple punch heads A paper punch includes a base having a protrusion on a top thereof and three passages are defined vertically through the protrusion. Each of the passages has a punch head assembly received therein. A gap is defined between the protrusion and the top of th... | 11/11/2003 |
| 6622603 | Linear via punch A method and apparatus for punching holes in a substrate which is disposed between a punch head with a fixed partial pattern of holes and a die having a full array pattern of holes. The punch head punches holes in the substrate by aligning with the die an... | 09/23/2003 |
| 6530304 | Shape cutting apparatus A shape cutting apparatus for stamping a variety of shapes from thin sheet material. The shape cutting apparatus includes a body member having a cavity with a plurality of die bores, a plurality of die plugs designed to be inserted into the die bores, and... | 03/11/2003 |
| 6516696 | Sleeve-type gas spring A sleeve-type gas spring for a turret indexing press has an annular piston operably associated with a punch tool to reciprocate therewith and defining in part an annular gas chamber constructed to receive a gas under pressure. As the punch tool and piston... | 02/11/2003 |
| 6484613 | Electromagnetic bounce back braking for punch press and punch press process A method of punching a via or through hole in a polymer-metal laminate workpiece in a punch press. The punch press has a punch tool, a driver coil for driving the punch tool through the polymer-metal laminate workpiece, and a stopper for stopping the punc... | 11/26/2002 |
| 6447187 | Restraining module for a cutter of a printer Disclosed is a printer having: a fixed chassis mounted thereon; a moving chassis being engageable with the fixed chassis between an open position and a closed position; a cutter including a fixed blade and a moving blade; a paper drive roll; a thermal hea... | 09/10/2002 |
| 6334381 | Adjustable punch assembly An adjustable punch assembly is provided for use at an indexable punching station in a turret punch press. The overall length of the punch assembly may be adjusted using a motor and pulley system that is also used for indexing the punch tool. Further, the... | 01/01/2002 |
| 6324954 | Device for actuating a punch A device for actuating a punch includes a base for supporting the punch and an arm adjustably secured on the base. A barrel is secured to the arm for slidably receiving a shaft, and a lever is pivotally secured to the barrel and coupled to the shaft for m... | 12/04/2001 |
| 6311597 | Self-guiding punch and die set A punch and die set is provided for use in a stamping press having a punch assembly and a die assembly reciprocated by a driving mechanism. The punch and die assemblies are aligned to a common center and are structured to slidably engage one another for p... | 11/06/2001 |
| 6279370 | Hydraulic arrangement for performing a secondary operation in a pressing tool for sheet metal forming The invention relates to an arrangement for performing a secondary operation in a pressing tool for sheet metal forming comprising a primary cylinder/piston unit (1) arranged to pressurise an operating fluid upon closing of said pressing tool for performi... | 08/28/2001 |
| 6250177 | Cam apparatus A cam apparatus includes: a cam driver having a sliding surface with a V-shaped cross section; a cam slide having a sliding surface of a shape complementary to the sliding surface of the cam driver in such a manner as to be slidably brought into contact w... | 06/26/2001 |
