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7614938 |
Reconditioned medical devices
A method of reconditioning a medical device may include removing a portion of the medical device, and attaching to the medical device a replacement piece formed from nickel carbide and sized,...
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7614937 |
Cutting device and method of generating cutting geometry
An ultrasonic blade includes a blade body and a cutting edge. The blade body is defined about a generally axial line. The cutting edge is on the blade body and is defined by the intersection of a...
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7553220 |
Retractable abrasive sharpener and carrying case
A hand held retractable abrasive sharpener having a rod formed with a tapered end portion and a partially cylindrical opposite end portion. A part of the partially cylindrical opposition end...
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7553216 |
Honing guide assembly
A honing guide and bevel setting jig for removable attachment to the honing guide to properly position the angle and projection of a tool to be sharpened in the jig to enable the tool to be honed...
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7530884 |
System and method for duplicating keys
A key duplication system employs a modular key duplication attachment in combination with a high-speed, rotary powered tool and a profiled abrasive cutter. The attachment comprises a base, a...
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7503835 |
Lawnmower blade sharpener
In one embodiment, a method of sharpening reel blades on a lawnmower reel includes positioning a grinding wheel in contact with the reel, rotating the grinding wheel about an axis of rotation,...
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7465220 |
Apparatus and method for corrugating resharpened blades
An apparatus and method are provided for cutting corrugations into the resharpened blade of a scissor. The apparatus comprises a rotatable corrugating wheel. The peripheral annular...
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7455572 |
Method and device for grinding a saw chain
A method and device for grinding a saw chain ( 26 ), the saw chain ( 26 ) being clamped in a position suitable for grinding. A rotating grinding disc ( 11 ) is manually transferred from an inactive...
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7413504 |
Blade sharpening device with blade contour copying device
The present invention provides a blade sharpening device designed for sharpening a blade for a uniform sharpening of the edge thereof. The blade sharpening device contains a base having a guide...
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7387562 |
Blade sharpening device
A blade sharpening device is provided for honing a cutting edge of a blade. The device includes a block with a top honing surface, and a jig assembly mounted on the block. The jig assembly holds a...
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7374470 |
Knife sharpening apparatus
A sharpening apparatus having at least one guide slot, a drive pulley drivingly coupled to a frame and at least one idler pulley rotatably coupled to a support member. The support member is...
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7338351 |
Apparatus and method for sharpening tool blades
A sharpening device for the blade of a tool such as a chisel or plane is in two parts. The first is a jig into which the blade is inserted with its tapered end projecting some distance beyond the...
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7335093 |
Blade sharpening holder
A sharpening holder for manually-sharpening a cutting edge to be honed over a honing surface includes a body, an adjustable clamping component, and a plurality of roller members. The body has a...
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7329172 |
Rotary mower blade sharpener having movable griding wheels
A device and method for sharpening a mower blade are provided, in which a mounting device for mounting a rotary blade having two opposite cutting edges to be sharpened, wherein the mounting device...
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7238096 |
Orbital rotary blade sharpener
An orbital rotary blade sharpener for sharpening rotary cutter blades and other rotary blades includes a bottom blade holding portion having a center and a perimeter edge, a top blade holding...
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7220170 |
Blade sharpening machines
The invention concerns a blade sharpening machine that can be driven either by manual or automatic control. The blade sharpening machine possess two rotating grinding wheels and a mechanism for...
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7220169 |
Sharpening apparatus
A sharpening apparatus ( 16 ) for a blade-like cutting implement. The sharpening apparatus has an elongate body ( 18 ) and a cutting edge extending widthwise across one end of the body ( 11 ) at a...
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RE39492 |
Method for sharpening bedknives
A method of sharpening bedknives for reel type mowers by installing sets of locator surfaces in a bedknife grinder, grinding the surfaces with the grinder to be aligned and parallel, installing a...
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7134937 |
Food product slicer with knife sharpener and associated knife guard
A food product slicer with a rotatable slicer knife includes a knife sharpener and an associated knife guard assembly with a guard member positioned for protecting the edge of the knife when the...
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7134935 |
Lubricated razor blade edge sanitizer and sharpener
An automatic razor blade sharpener simultaneously sharpens and sanitizes multiple edges of a spring-loaded disposable razor blade cartridge without edge overheating by lubricated gentle contact of...
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7112124 |
Rotary blade sharpener
A rotary blade sharpener is comprised of a motorized platen positioned in a housing with a surrounding wall and an open top. An abrasive sheet with an adhesive bottom surface is adhered to a disc,...
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7083503 |
Method for sharpening the knife of a rotary trimmer and a rotary trimmer for realizing the method
A rotary trimmer includes a first trimming element having a first knife and a second trimming element having a second knife that operates jointly with the first knife. In order to sharpen one...
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7066793 |
Mechanical non-serrated knife grinder and honer
A non-serrated knife sharpening device providing a multitude of blade angle choices during the tapering and honing processes. The adjustable angle choices can be regulated fractionally, grossly,...
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7056195 |
Apparatus and method for sharpening tool blades
A sharpening device for the blade of a tool such as a chisel or plane is in two parts. The first is a jig into which the blade is inserted with its tapered end projecting some distance beyond the...
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7037175 |
Method of sharpening cutting edges
The invention is directed to a method for polishing a cutting edge on a cutting instrument, comprising contacting a cutting edge of a cutting instrument with a polishing pad and a...
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7033247 |
Electric sharpener
The invention relates an electric sharpener, comprises a main frame, a main shaft, a motor, a transmission wheel, a grinding stone, and an electric control circuit. The motor is mounted on an...
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6969299 |
Razor blade sharpener
An automatic razor blade sharpener simultaneously sharpens multiple edges of a spring-loaded disposable razor blade cartridge by gently contacting the blade edges with a moving rubber or polymeric...
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6955584 |
Grinding machine comprising a measuring system and control for providing a master blade and method for providing a bar blade
An apparatus includes a blade grinding machine, a measuring system and a control for providing a bar blade suitable for cutting work pieces. The blade grinding machine includes a clamping mechanism...
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6942551 |
Method for forming a cutting edge along an edge portion of a blade stock
A method for forming a cutting edge along an edge portion of a blade stock, wherein the method includes moving the blade stock with respect to a first cutting element rotating about a first...
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6932684 |
Reciprocal blade lapping machine
A reciprocal blade lapping machine ( 20 ) is taught that is used for sharpening cutting and shearing blades. The lapping machine consists a convex lap plate ( 32 ) mounted on an enclosure ( 22 )...
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6905403 |
Knife-sharpening machine
The invention relates to a knife sharpening machine comprising a plate-type holding device on which two intersecting sharpening bars are rotationally mounted and loaded in relation to each other by...
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6881137 |
Manual knife sharpener with angle control
A sharpener for blades comprises a physical structure supporting at least one abrasive surface. A displaceable guiding plate having an integral linear structural feature of the support is disposed...
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6860796 |
Single station blade sharpening method
A blade sharpening method and apparatus is characterized by sharpening the blade in a single station grinding assembly. The grinding assembly includes two opposed abrading wheels which interlock to...
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6846229 |
Handheld retractable pull-through knife sharpener
A retractable knife sharpener having an ergonomically shaped handle with an internal hollowed portion and an opening at one end thereof in communication with the hollowed portion and a sled...
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6814652 |
Method to sharpen the cutting knife of a knife ring chipper
A method for sharpening the cutting knives of a knife ring chipper, which includes a knife ring and a number of knife units, the units in turn containing knives and holding plates. The knife ring...
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6808441 |
Dental tool sharpener and method of use
A dental tool sharpener is disclosed having a base. A grinding surface is rotatably attached to the base about a fixed axis, the axis of rotation being perpendicular to the base. a positioner is...
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6802763 |
Apparatus for sharpening blades
A sharpening apparatus with substantially rigid sharpening wheels disposed substantially fixedly on a rotatable drive shaft. An edge of a blade inserted in a slot in the apparatus comes into...
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6726552 |
Drawer mounted knife sharpener
A knife sharpener holder including a first body portion swivelly attached to the vertical panel of a drawer and a second body portion pivotally attached to the first body portion and adapted to...
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6726543 |
Skate blade sharpening apparatus and method
An apparatus for use in sharpening a skate blade includes a handle and a cartridge connected to one end of the handle. The cartridge includes a casing and a sharpening blade. The sharpening blade...
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6726542 |
Grinding wheel, grinding system and method for grinding a blade
The invention relates to a grinding wheel for grinding a blade, on the surface of which ions are deposited by means of a plasma-supported method and containing silicon carbide as abrasive medium...
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6679757 |
Shaping tool and method for shaping curved surfaces on workpieces
A tool for shaping curved surfaces on a workpiece, in particular upper curved surfaces of the forward and aft rails of a gas turbine engine shroud section. The shaping tool includes a base member...
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6676490 |
Steel and stone blade sharpening device
The present invention provides a blade sharpening and edge uncurling device for sharpening dull blades. The device includes a handle at one end and a conical steel for uncurling edges at an...
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6669531 |
Apparatus for high tolerance brush honing
The present invention relates to a honing method and apparatus which provides greater control over the edge shape, as well as reductions in the effort required to hone multiple edges on workpieces....
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6666758 |
Lawn mower blade sharpener
A device and method for sharpening the blade of a lawn mower without removing the blade from the mower, the device comprising a motor, a flexible drive cable, a grinder housing and a two-sided...
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6663465 |
Grinding machine and method of sharpening blades
The invention relates to a grinding machine for sharpening (honing) blades ( 4 ) of knives, scissors, hand tools or the like, with a magazine, a feed station ( 1 ) or similar, and with a honing...
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6662072 |
Grinding process and control device for a knife shaft
The present invention relates to a process and control device to grind a knife shaft used in a machine intended for cutting sheets of materials into strips, for example, sheets of paper, plastic,...
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6634257 |
Sharpening method and apparatus for rotary knives
A sharpening apparatus for a rotary knife blade includes a sharpening material support base and at least one lower sharpening device such as a metal pin mounted on the sharpening material support...
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6551177 |
Forming device for bevelling
A forming device ( 100 ) for bevelling includes a base ( 102 ), a rail ( 104 ), a workbench ( 106 ) and a bar ( 108 ). A pair of support arms ( 114 ) extends upwardly from the base. An axle ( 120 )...
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6547656 |
Serrated knife sharpener
A sharpener for a serrated knife having a plurality of ribbed cutting edges interspersed with concave cutting edges, the sharpener consisting of an elongated abrasive sharpening member having a...
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6544105 |
Control device to implement a grinding process for a knife shaft
The present invention relates to a control device to grind a knife shaft used in a machine intended for cutting sheets of materials into strips, for example sheets of paper, plastic, plates of...
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