...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8161860 | Rotary cutter and rotary cutting apparatus provided with the rotary cutter A rotary cutter for a rotary cutting apparatus. The rotary cutter includes a shaft and a mantle having at least one cutting member. The shaft is non-rotatable, and the mantle is rotatably mounted to the shaft and can be removed therefrom in an axial direction. The s... | 04/24/2012 |
| 8151679 | Device for fastening a tool to a drive shaft of a hand-held power tool driveable in an oscillating manner The invention is based on a device having a centering element (10) and at least one form-locking element (12) for fastening an axially mountable tool (14) to a drive shaft (16), which is drivable in an oscillating manner, of a hand-held p... | 04/10/2012 |
| 7703368 | Knife holder for a microtome having a vibrating knife A knife holder for a microtome having a vibrating knife comprises a support element and a clamping element movable relative to the support element. The support element is embodied with a support surface for the knife, and the clamping element is embodied with a clam... | 04/27/2010 |
| 7621207 | Adjustable slicing device Adjustable slicing devices and blades for the adjustable slicing devices are provided. One slicing device includes a frame having a first configuration and a second configuration. The slicing device further includes a first guide plate and a second guide plate where... | 11/24/2009 |
| 7600458 | Reciprocating saw blade with tapered tang stem There is provided a reciprocating saw blade having a tapered tang stem. The tang has a tang portion with at least three outer edges and a stem portion with at least three outer edges. The profiles of the tang portion and particularly the stem portion are such that t... | 10/13/2009 |
| 7497154 | Hand-guided power reciprocating saw A hand-guided power reciprocating saw has a machine housing, a saw blade drivable by a motor into a stroke motion, a guide device having two guide elements resting against the saw blade at opposite sides of the saw blade and operative for guiding and supporting the ... | 03/03/2009 |
| 7395745 | Trunnion assembly for saws A power tool with a base assembly, and a table supported by the base assembly, where the table has a workpiece supporting surface. A saw assembly is pivotably supported by the table via a trunnion assembly. The table includes a post having a first curved surface hav... | 07/08/2008 |
| 7308763 | Sealant cutting tool with quick release, repositionable blade A sealant cutting tool including a handle defining a blade slot. Also included is a clamping bolt having a clamp axis transverse the blade slot, which clamping bolt is threadably engaged with the handle. In addition, a âTâ pull is operatively associated with the... | 12/18/2007 |
| 7304829 | Apparatus and method for filtering current sensor output signals An electronic filter for filtering the output signal of a current sensor of a circuit breaker is disclosed. The current sensor has an output signal characteristic similar to that of a Rogowski coil output signal characteristic that includes a third harmonic noise co... | 12/04/2007 |
| 7267038 | Table saw The table saw disclosed herein includes a table, a saw assembly pivotally attached to the table, the saw assembly comprising an arbor movable relative to the table, a bevel shaft operatively connected to the saw assembly for pivoting the saw assembly, and a height s... | 09/11/2007 |
| 7258044 | Apparatus and process for cutting of extruded material A rotating cutting apparatus comprising a cutting blade holder with at least one hole on the outside diameter of the cutting blade holder into which cutting blades are inserted and bonded to the cutting blade holder. The cutting blade holder encloses a center hole, ... | 08/21/2007 |
| 7255705 | Dissecting device A device for dissecting an object, such as a cell colony includes a handle and an incision knife module that can dissociate the colony into several colony pieces. In accordance with features of the invention, users can use this dissecting device to cut an object int... | 08/14/2007 |
| 7204748 | Poultry breast portion sizing apparatus An apparatus for producing portions severed from a poultry breast of controlled size and weight having a rotary mounted product holder including a generally cylindrical outer surface provided with at least one product cavity for receiving a first portion of a poultr... | 04/17/2007 |
| 7201090 | Front-accessible bevel locking system A front-accessible bevel locking system for use with a power tool, including a mechanism for locking the power tool into a selected tilt or bevel position for bevel angle cuts. The bevel locking mechanism has a lever attached to a link rod by a cam mechanism such th... | 04/10/2007 |
| 7181993 | Apparatus and process for cutting of extruded material A rotating cutting apparatus comprising a cutting blade holder with at least one hole on the outside diameter of the cutting blade holder into which cutting blades are inserted and bonded to the cutting blade holder. The cutting blade holder encloses a center hole, ... | 02/27/2007 |
| 7182080 | Apparatus and method for finishing stone tiles The present invention relates to several embodiments of tools for finishing stone particularly stone tiles. The first embodiment is a production table on which a plurality of tiles can be secured within a cabinet so a worker may finish and polish the edges of the al... | 02/27/2007 |
| 7171885 | System for fixing rotary cutting dies in machines for die cutting laminar material System for fixing rotary die cutters in die cutting machines for cutting laminar material includes a fixing means between the die (1) and a die-holder surface or cylinder (2) around which the die (1) is arranged, wherein the a fixing element inc... | 02/06/2007 |
| 7172502 | Tool-less blade change shoe for a skinning machine A skinning machine having a skinning blade mounted between a clamp and a shoe. The shoe has a bore that extends therethrough and a cam arm mounted to a bottom surface. The clamp has a recess with an aperture disposed therethrough. A pin extends through the aperture ... | 02/06/2007 |
| 7146894 | Automated microtome blade changer An automated rotary microtome blade changing apparatus, comprising an upper stage being adapted to releasably engage a supply cartridge and a waste cartridge, the upper stage having a loading segment adapted to engage and move blades contained within the supply cart... | 12/12/2006 |
| 7143677 | Food slicer A food slicer includes a frame with a food-receiving platform having an aperture therein. A reversible cutting blade has first and second cutting edges and is selectively removably mountable on the frame in first and second positions for respectively disposing the f... | 12/05/2006 |
| 7137329 | Circular saw clutch assembly A circular saw clutch assembly includes an elongated rod that is coupled to a table saw assembly. A peripheral flange is integrally attached to the rod. The flange has a plurality of ball bearings mounted therein. A first washer abuts the flange and includes a plura... | 11/21/2006 |
| 7127975 | Rotary cutter and method for manufacturing fibrous product using the same Disclosed is a rotary cutter including a first roll and a second roll. With contact peripheries of the first roll being pressed against contact peripheries of the second roll, the first roll and the second roll are driven to rotate in synchronism with each other so ... | 10/31/2006 |
| 7121181 | Apparatus and process for cutting extruded material A rotating cutting apparatus comprising a cutting blade holder with at least one hole on the outside diameter of the cutting blade holder into which cutting blades are inserted and bonded to the cutting blade holder. The cutting blade holder encloses a center hole, ... | 10/17/2006 |
| 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 |
| 7101124 | Hole saw assembly A hole-saw assembly including a hole-saw having at one end a plurality of cutting teeth and at the other end two shafts. The assembly includes a mandrel coaxially aligned with said hole-saw and including a body having two bores therethrough coaxially aligned with sa... | 09/05/2006 |
| 7089840 | Food slicing apparatus for a food processing line A food slicing apparatus and components where the apparatus includes a frame and a pivotally mounted carriage. The frame mounts a height adjustable conveyor system while the carriage hosts a latch for a slice thickness adjustment cam. The carriage also supports a dr... | 08/15/2006 |
| 7090573 | Method and device for processing fillets of fish (conveyor belt fillet production) A method and apparatus for processing fish fillets includes subjecting fish fillets lying on a skin side to a brief pulling cut in the tail region and a splitting separation by a stationary separating edge which, when the fillets approach, enters in the region of th... | 08/15/2006 |
| 7066071 | Food slicer A food slicer includes a frame with a food-receiving platform having an aperture therein. A reversible cutting blade has first and second cutting edges and is selectively removably mountable on the frame in first and second positions for respectively disposing the f... | 06/27/2006 |
| 7059228 | Hand-controlled circular saw A circular saw includes a universal arm mounted to a rear end of a base member of the circular saw. A housing with a saw blade is pivotally connected to the universal arm. A drive device is longitudinally mounted to the housing for driving the saw blade and includes... | 06/13/2006 |
| 7051632 | Magnetic rotary die A rotary cutting die which is mountable on a metal cylinder. The rotary cutting die includes a rotary die plate having a concave, inner surface which is magnetically attractable and magnetically mountable on a metal cylinder. A cutting blade is mounted on a concave,... | 05/30/2006 |
| 7051635 | Ball-lock insert assemblies The invention provides a ball-lock insert assembly adapted to be mounted axially in a mount opening formed in a holder plate having a desired thickness. The ball-lock insert assembly comprises an insert body having an axis and an elongated interior recess extending ... | 05/30/2006 |
| 7013785 | Ceramic cutters A ceramic cutting device having a base, longitudinal guides mounted to the base, and a support movably mounted on the longitudinal guides. A cutting-wheel handle holder is pivotably mounted to the support. A cutting-wheel handle is mounted to the handle holder and t... | 03/21/2006 |
| 7013987 | Clutch assembly and clamp mechanism for rotary tool disc As system for clamping an rotary tool accessory disc or blade to an output shaft of a rotary tool comprising a cam clamping mechanism and a clutch assembly wherein the cam clamping mechanism comprises: a head element threadably engageable with the output shaft at a ... | 03/21/2006 |
| 7011008 | Power gear guillotine trimmer A device for cutting pieces of material comprising a base, a bridge assembly and a lever arm. The bridge assembly includes a gear assembly operatively connected to the base. The lever arm is coupled to the gear assembly, and a linking member is coupled to the gear a... | 03/14/2006 |
| 7003887 | Shoe clamping mechanism for power tool and power tool incorporating such mechanism A mechanism is disclosed for clamping a jigsaw (1) shoe in a desired position relative to the body of a power tool. A plurality of gear (22, 26) teeth are used to allow greater torque and access as compared to prior art clamping mechanisms. ... | 02/28/2006 |
| 7000517 | Machine for cross cutting a material web A machine for cross cutting a material web has a main frame part unitarily formed with a pair of transversely spaced main sides and with at least one main traverse extending transversely between the main sides and a secondary frame part unitarily formed with a pair ... | 02/21/2006 |
| 6959636 | Produce slicer A produce slicer 10 for slicing produce is disclosed. The produce slicer includes a frame (12) defining a cavity (16) having a central axis (22). A plurality of radial cutting blades (20) are disposed in the cavity, wherein each of... | 11/01/2005 |
| 6941849 | Device for adjusting the phase of perforating devices as a function of the folding mode A device for perforating material webs by perforating tools accommodated on perforating cylinders and capable of producing perforations on copies in an exactly correct position with respect to cross-folds formed in the copies, the perforation position being adjustab... | 09/13/2005 |
| 6923104 | Tensive cutting assembly A tensive cutting assembly includes a tensionable cutting member formed of a strip of material, typically metal, which is formed having a serpentine configuration. The tensionable cutting member is removably mounted on a tensive cutting head. The tensive cutting hea... | 08/02/2005 |
| 6907807 | Table saw The table saw disclosed herein includes a table, a saw assembly pivotally attached to the table, the saw assembly comprising an arbor movable relative to the table, a bevel shaft operatively connected to the saw assembly for pivoting the saw assembly, and a height s... | 06/21/2005 |