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| Number | Title | Issue Date |
| 7406770 | Trimmer with cooperating cutter blades A trimmer having first and second cutting blades. The first and second cutting blades are mounted so that first and second flat surfaces, respectively thereon, face and are substantially parallel to each other. A drive causes at least one of the first and second cut... | 08/05/2008 |
| 7240597 | Circular saw having wiper tips A circular saw including an annular disk-shaped base adapted to be driven about an axis of rotation, a plurality of tip supports formed along the outer circumference of the base integrally therewith so that a gullet is defined between adjacent ones of the tip suppor... | 07/10/2007 |
| 7194933 | Composite circular slicer knife A substantially circular slicer knife is provided having an interior base portion made of a first material and an outer edge portion made of a second material. The outer edge portion is metallurgically bonded to the interior base portion. ... | 03/27/2007 |
| 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 |
| 7163366 | Screw with two types of threads A screw includes a first thread on the shank and located close to the point of the shank, and a second thread which is connected to the first thread and extends toward the head of the screw. Each of the first and second threads includes an upper flank and a lower fl... | 01/16/2007 |
| 7127979 | Saw blade for hand-held tools A saw blade for power tools, in particular for power reciprocating saws, includes a blade back (11) and a toothing (12) extending along the lower edge of the blade back and having many saw teeth (13) lined up in succession, In order to increase ... | 10/31/2006 |
| 7017465 | Cutting tool with grooved cutting edge A cutting tool includes a base made of metal having a plurality to cutting teeth along an edge of the base, wherein at least one cutting tooth has at least one notch in the cutting edge of the at least one cutting tooth. A tool is prepared by introducing a notch run... | 03/28/2006 |
| 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 |
| 6945146 | Pipe-chamfering disk The cutting disk includes cutting teeth for cutting through a pipe prior to engagement with the pipe of chamfering teeth pressed or bent sideways out of the plane of a flat body portion. Each of the chamfering teeth defines a cutting edge angled obtusely away from t... | 09/20/2005 |
| 6505537 | Cutting tool and cutting edge configuration thereof A cutting tool for separating and formatting of sheet materials has a rotationally driven support body having cutting teeth arranged about a circumference of the support body. The cutting teeth have a tooth profile with a radially outwardly positioned fro... | 01/14/2003 |
| 6178647 | Coping saw with multi-directional cutting blade A thin saw blade with four cutting surfaces of fixed lengths in line, each cutting surface rotated with respect to the preceding cutting surface to enable a user to change cutting directions of the blade without rotating the material to be cut. A preferre... | 01/30/2001 |
| 6021828 | Trim saw with waste removal blades A trim saw is mounted in conjunction with a hogger, or device for reducing scrap to particles, or saw dust. The hogger is made up of a any desired number of units that will reduce scrap to sawdust. Each unit has a pair of oscillator plates that hold a pai... | 02/08/2000 |
| 5992485 | Sawing machine and sawing processing method for a plate member A workpiece processing apparatus for processing a predetermined plate member and a sawing process method therefor. A workpiece processing apparatus which includes a workpiece mounting assembly for receiving a workpiece; a tool assembly having a tool mount... | 11/30/1999 |
| 5918525 | Reciprocating saw blade A reciprocating saw blade moved in opposite directions parallel to a longitudinal axis is formed with at least one row of longitudinally succeeding teeth having tips all lying on a common tip line parallel to the longitudinal axis and including even teeth... | 07/06/1999 |
| 5901630 | Band saw blade or hacksaw with double formation of cutting elements A band saw blade or hacksaw characterized because of it is machined with two rows of a plurality of cutting teeth, sustained and projecting from the base itself of the laminar body of the blade, the saw presents a laminar body at one of its ends while at ... | 05/11/1999 |
| 5875700 | Brush cutting blade A circular brush cutting blade with peripheral cutting teeth. Segments are bent or deflected out of the blade body at an angle to the plane of the blade less than normal. The segments are configured to provide an inclined leading edge for each segment tha... | 03/02/1999 |
| 5704828 | Saw blade with sanding surface A saw blade includes a very shallow cone shaped side for supporting an abrasive surface to sand smooth a cut surface of a work piece while the surface is being cut by the saw blade. To maintain the finished sanded surface of the cut perpendicular to a spe... | 01/06/1998 |
| 5697835 | Oscillating cutting blades Multifunctional blade designs for rotational oscillating cutting include, in one aspect, different cutting teeth segments and cutting agent segments arranged along separate portions of a common cutting edge to carry out various cutting tasks. In another a... | 12/16/1997 |
| 5581891 | Hedge trimmer with combination shearing and sawing blade assembly A hand-held power-operated hedge trimmer for trimming plant growth such as hedges, shrubs, tree branches and the like. The hedge trimmer includes a housing containing a motor assembly, a blade assembly extending forwardly in a lengthwise direction from th... | 12/10/1996 |
| 5529528 | Saw blade with sanding surface A saw blade includes a very shallow cone shaped side for supporting an abrasive surface to sand smooth a cut surface of a work piece while the surface is being cut by the saw blade. To maintain the finished sanded surface of the cut perpendicular to a spe... | 06/25/1996 |
| 5379672 | Saw blade with cutting wings A saw blade with cutting wings on the teeth. The blade has a blade body, teeth located on an outer edge of the blade body, and cutting wings extending from either side of each tooth on the blade body. Each tooth is angled in a direction opposite that of t... | 01/10/1995 |
| 5291815 | Cutter For dividing a chunk of material which comprises areas tending to deform as well as rigid areas, a cutter with a spiral cutting edge is provided. The cutting edge has two sections of which the first in the direction of rotation, is unserrated and undergoe... | 03/08/1994 |
| 5063980 | Cutter head assembly Shims are selectively added to, in one form of the invention, or removed from, in another form of the invention, the space between a cutter body and a circular saw blade in a cutter tool assembly for cutting a round on wood products, to compensate for the... | 11/12/1991 |
| 5056388 | Blind cutting machine A cutting member and machine for cutting elongate members is disclosed. The cutting member comprises a body having a cutting edge defining a cavity such that the cutting edge contacts a surface to be cut at at least two points. The cutting machine compris... | 10/15/1991 |
| 4913767 | Cut off blade for severing multiple layers of thin polymeric sheet material A cut off blade adapted for severing plastic film material folded in layers. The blade is a thin metal sheet including an attachment portion and a plurality of similarly shaped teeth defining a cutting edge portion of the blade. Each of the teeth defines ... | 04/03/1990 |
| 4889025 | High impact resistant carbide tip for a circular saw An improved cutting tooth for a circular saw of the type commonly used to cut the bark off raw logs comprising a crescent shaped steel bit and a wedge shaped cutting tip affixed to an upper portion of the bit wherein the cutting tip is composed of a high ... | 12/26/1989 |
| 4867026 | Metal slitting saws with improved cutting teeth A cutting tooth, viz. roughing tooth (2) and finishing tooth (3) made from cutting metal for a metal slitting saw, especially a circular disk saw, the geometry of said tooth being determined by the primary clearance angle (), the rake angle (γ), t... | 09/19/1989 |
| 4852442 | Self-sharpening perforator for plastic film A self-sharpening perforating punch head for perforating a web of plastic film is formed of one or more plates of a semirigid plastic resin, e.g. acetal homopolymer. The head has a row of tapered and beveled teeth which form a cutting edge at the back pla... | 08/01/1989 |
| 4782731 | Brush cutting blade A brush cutting blade having a curved slitter type/non-raker type primary cutting tooth and a preceding appendage forming a combination depth gauge and small stem slitter. The primary tooth terminates over the blade body with the cutting edge provided by ... | 11/08/1988 |
| 4662259 | Arrangement in circular saws, and saw-blades therefor An arrangement in circular saws of the kind which incorporate at least one saw-blade (1), a saw-blade drive spindle or the like, and at least one guide means (12, 14, 15) active against the saw-blade. The arrangement is particularly characterized in that there... | 05/05/1987 |
| 4641562 | Cutting tool for making a smooth saw cut The present invention relates to a circular saw blade comprising a first annular saw blade having a plurality of teeth projecting radially from the periphery thereof and a second circular saw blade having a plurality of teeth projecting radially from the ... | 02/10/1987 |
| 4574676 | Circular saw blade A circular saw blade is formed with a plurality of strain compensating slots which include a number of inner slots extended outwardly from a central bore of the blade and a number of outer slots which are substantially parallel to the inner slots and resp... | 03/11/1986 |
| 4561477 | Woodworking machine and blades therefor A woodworking machine to form finished dimensional lumber from cants by a single pass of the cants through the machine and comprising compression and feed rollers above and below a longitudinal path and parallel longitudinally offset arbors respectively a... | 12/31/1985 |
| 4554957 | Rotary resurfacing tool A tool for simultaneously resurfacing by cutting the face and overlying butt portions of shingles or clapboards forming the outside surface of a house or the like. The tool includes a housing in which a rotatable cutting disc is mounted for rotation such ... | 11/26/1985 |
| 4406202 | Rotatable article, such as a tool, provided with means for damping vibration The article, such as a circular saw tool or a gear wheel, has a visco-elastic synthetic-resin damping layer between, on the one hand, a portion of the body of the article which is integral with, or securely attached to, a work region adapted to interact w... | 09/27/1983 |
| 4285260 | Rotatable article, such as a tool provided with means for damping vibration The article, such as a circular saw tool or a gear wheel, has a visco-elastic synthetic-resin damping layer between, on the one hand, a portion of the body of the article which is integral with, or securely attached to, a work region adapted to interact w... | 08/25/1981 |
| 4157673 | Motor saw blade A motor saw blade with unset saw teeth along at least one edge of the blade and comprising finishing saw teeth having ground centripetally tapering flanks and alternating with roughing saw teeth thinner and longer than the finishing saw teeth so that neit... | 06/12/1979 |
| 4123958 | Circular saw blade A circular saw blade having a plurality of spaced teeth around its periphery and having plural slots extending inwardly from the periphery generally toward the center, the slots being spaced on the cutting side with a series of spacing elements individual... | 11/07/1978 |
| 4024785 | Spiral saw blade The invention relates to a spiral saw blade wherein the teeth are divided into two or more groups with gaps or cut-outs between the groups of teeth, such gaps or cut-outs being void of teeth. The gaps or cut-outs are disposed diametrally opposite each oth... | 05/24/1977 |
| 3990334 | Method and saw blade for the sawing of particularly wood A method of sawing a wooden workpiece makes simultaneous use of a chip cung operation with chip cutting saw teeth provided along the leading edge of a saw blade and a cutting operation with knife edges provided on the same leading edge of the saw blade. ... | 11/09/1976 |
