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8146399 |
Modular spring retainer and method for metal forming dies and the like
A modular spring retainer and method for metal forming dies includes a base shaped for detachable connection with an associated die plate, having a threaded central aperture, and an adjacent lock...
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7984667 |
Pizza cutting apparatus
A pizza cutting apparatus and portions of the apparatus, and methods of forming the apparatus and of disassembly. The apparatus includes a simple frame assembly made from sheet metal, an actuator...
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7963201 |
Medication dispensing method and apparatus
A method and apparatus for dispensing prepackaged medication packages includes an apparatus having a body with an internal cavity and an opening. A central processing unit operably communicates...
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7856912 |
Manually operated portable die cutting machine
A manually operated portable die cutting machine having a rotatable handle arm for generating a pressure necessary to cut a sheet material that is carried by a die cutting assembly and positioned...
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7819045 |
Hole punch structure
The invention provides a hole punch structure. More particularly, one end of an exposed longitudinal handle is moved together with a slide rod in a hole-punching mechanism covered by a casing....
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7798152 |
Hookah perforator device
A hookah perforating accessory for perforating hookah foil and perforating/aerating tobacco below the foil, preferably simultaneously, having a hollow housing, plurality of spikes on a spike...
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7721635 |
Lever handled paper punch
A punch apparatus for punching holes through a paper stack. The apparatus has a rotationally attached lever handle. The lever handle has a handle end, a contact end, and a rotation axis between the...
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7721634 |
Punch tool
A punch tool includes a casing; a plurality of small-diameter punches vertically movable and circularly arranged in the casing; a plurality of large-diameter punches vertically movable and...
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7712346 |
Tooling die slide driver
A slide driver assembly for use in a multi-station or a single-station progressive tooling die includes die sections that are operative to move between an open position and a closed position to...
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7698979 |
Biasing assembly for a punching device
A biasing assembly for a punching device that includes a punch support member adapted to support a punch and including a head portion and a main portion extending from the head portion. The main...
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7640779 |
Holder unit and hemming apparatus having the holder unit
A hemming apparatus (1) includes a holder unit (2), a lower die (3) on which the holder unit (2) is installed, and an upper die (4) which is installed on the lower die (3) vertically movably. The...
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7628103 |
Punching and binding systems and elements thereof
An apparatus for punching and binding a stack of papers is disclosed. The apparatus includes a paper clamp and a binding element insertion device that are movable relative to each other. The...
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7568414 |
Melon wedger
A melon wedger is provided having a base upon which is removably attached a blade assembly having a plurality of blades arranged in a variety of orientations. A movable press mechanism including a...
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7503120 |
Cutter adapted to be held by human hand or finger
The present invention involves a hand-held cutter device that is adapted to be held by a human hand, over a human finger, or between the human fingers. The cutter device includes a generally...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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RE38219 |
Mold-pressing device
A mold-pressing device including a seat body formed with a horizontal fissure at one end and a vertical chamber communicated with the fissure. A mold block is disposed in the chamber. One face of...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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6105480 |
Apparatus for separating ribbon-coated multicore optical fiber
An apparatus for separating a ribbon-coated multicore optical fiber at a plurality of positions at once, wherein the ribbon-coated multicore optical fiber includes a number of single-core fibers...
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6089137 |
Paper punch
A paper punch has an inner punch and an outer punch movably received with respect to each other. The outer punch has a first contour punch so as to be able to punch a hole in a piece of paper with...
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6076447 |
Hand operated punching device
A punching device for punching an aperture in a sheet includes a housing and a handle pivotally joined to the housing with a first pivot connection. A drive plate is slidably displaceable in the...
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5974929 |
Combined letter opener and letter punch
The invention provides a device for cutting open envelopes and punching filing holes into documents, and includes a body coupled to a base, the base having a two-section feeding surface along which...
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5974926 |
Shear assembly for use with a punch press for cutting L sectioned steel strips
A shear assembly to be replaceably installed in a portable, hydraulic punch press for cutting L sectioned steel strips at, typically, 45 degrees preparatory to combining them into rectangular...
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5976453 |
Device and process for expanding strand material
An expanding device for expanding strand material into a wool-type product includes outer and internal nozzle sections. The outer nozzle section has an entrance portion, an intermediate portion and...
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5931074 |
Press device
A press device which can be produced at a lower price includes a slide cam base, a slide cam guided by the slide cam base for mounting a machining member such as a punch, a biasing member provided...
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