Class 299/101 - Plural cutting edges on tooth, pick, or bit

Subclass of Class 299 - Mining or in situ disintegration of hard material
Definition: Cutter tooth or tooth head in which the element has more
No. of patents: 24
Last issue date: 09/20/2011

Number	Title	Issue Date
8020940	Mining and demolition tool Apparatus, methods, and other embodiments associated with a mining and demolition tool are described herein. In an embodiment, a mining bit tool includes a mining and demolition bit tool base and a mining bit tool tip coupled to the mining bit tool base. The base in...	09/20/2011
7963615	Mining and demolition tool Apparatus, methods, and other embodiments associated with a mining and demolition tool are described herein. In an embodiment, a mining and demolition bit tool includes a mining tool base and a mining bit tool tip coupled to the mining bit tool base. The base includ...	06/21/2011
6918636	Coal and rock cutting pick The pick (1) includes a radially inner end (4) and a shank (3) to be fixed to the drum (10) to substantially prevent relative movement between the pick (1) and drum (10). The pick (1) further includes a cutting head (...	07/19/2005
6663186	Cutting bit A cutting bit has a bit body, and a cutting element formed as a trihedron with three faces which form three rock destructing blades, so that the cutting bits can be turned to orient alternatively a respective one of the rock destructing blades in a cuttin...	12/16/2003
6341823	Rotatable cutting tool with notched radial fins A rotatable cutting tool for earth displacement equipment for maximizing penetration into hard rock during mining, trenching, drilling, or boring operations. The bit penetrator pocket protector for earth displacement equipment includes a body which define...	01/29/2002
6315365	Mining machine with core breakers In a driving or mining machine including cutter rolls or drums which are mounted for rotation on a cantilever arm pivotable in the vertical direction, bearings and/or gears are arranged in the axial direction of the cutter rolls or drums between parts of ...	11/13/2001
5632527	Tool and method for the removal of floor or wall surfacing A tool and a method for performing at least one of removing and treating high strength surfacing. The tool includes a plurality of cutting spikes including sintered-carbide tips, and a common carrier for transmitting at least one of striking and vibration...	05/27/1997
5407252	Method and apparatus for scaling mine roofs and ribs A mine scaling tool having a base plate to which a collar is concentrically attached on one side and appropriately supported with gusseted rib plates. A relatively long, heavy walled tube is telescopically fitted within a reenforcing collar. The tube is c...	04/18/1995
5378049	Rotary cutter for extracting hard rock A disc-shaped rotary cutter for continuous excavation of hard mineral rock layers according to the invention includes a supporting element having a plurality of end faces and a plurality of cutting elements formed on a circumference of the supporting elem...	01/03/1995
5335976	Treatment disk of apparatus for roughening or treating surfaces A treatment disk for devices for roughening or treating surfaces of stone floors, wherein hammer-like treatment points are mounted on the treatment disk opposite each of respectively semicircular slideways of the treatment disk. This shape makes it possib...	08/09/1994
5285768	Two tier groove cutting circular saw blade with anti-undercut features A two-tier groove cutting circular saw blade includes a circular core having sectors defined in circumferentially spaced relation to one another along the periphery, and lands defined in circumferentially spaced relation to one another between the periphe...	02/15/1994
5158147	Auger cutter head An auger cutter head includes a rotatable body that is mountable on an auger and a plurality of cutting assemblies spaced about the outer wall of the rotatable body to drill a hole in the ground as the auger cutter head is rotated and advanced into the gr...	10/27/1992
5106165	Fragmentation apparatus A layer of material such as pavement or sheet ice coating the surface of a roadway is efficiently removed using apparatus that includes a longitudinal tube in a breaker assembly which is rotatably carried by a control frame beam that depends from an artic...	04/21/1992
5083839	Apparatus for grooving or grinding pavement A rotary grooving or grinding drum is mounted about a drive shaft. The drum has an inner core of steel, an intermediate sleeve of neoprene rubber and an outer sleeve of steel. The neoprene intermediate sleeve provides absorption of the shocks, jars and ha...	01/28/1992
5028092	Impact kerfing rock cutter and method A low velocity, high mass ram is connected to the cutting tool. The cutting tool has an array of impact forward and side buttons or bars which form chip-forming spaces there between. The side buttons or bars advantageously cut a gage in the slot. A method...	07/02/1991
4637659	Tool member for a rotary drilling tool A toothed tool body for a rotary drilling tool suitable not only for work normally performed with toothed roller bits or the like, but also advantageous in loamy or similar formations, has ribs extending peripherally between the teeth up to the tooth flan...	01/20/1987
4502734	Scabbler bits There is provided an improved scabbler bit wherein the bit is fixable to a piston of a scabbling machine through a male shank portion. The shank portion carries a circumferential groove for cooperation in the side wall of the piston to hold the shank firm...	03/05/1985
4461513	Rotary stone-cutting head A rotary stone-cutting head has a body generally centered on and adapted to be rotated in a predetermined direction about an axis. An array of cutter supports on the body directed at least partially in the direction carry respective cutter teeth each havi...	07/24/1984
4451093	Tool for scarifying concrete Presented is a tool adapted for use in rupturing the surface of smooth concrete so as to provide a roughened surface. This process is commonly known as "scarifying" concrete. The tool comprises a bit adapted to be mounted in a conventional roto-hammer or ...	05/29/1984
4383715	Wall brush A wall brush for dislodging loose matter from a wall face is disclosed. A plurality of x-shaped scraper elements are disposed in a plurality of beams such that end portions of each scraper element project through flange portions of its beam. An anchor cha...	05/17/1983
4320925	Dredge cutterhead tooth A rock cutting tooth assembly for a dredge cutterhead in which each tooth has a cutting edge formed by the intersection of a cutting face substantially lengthwise with the tooth and a flank substantially transverse to the tooth, the cutting face lying in ...	03/23/1982
4216999	Machine for mining tar sands having rearwardly directed exhaust related to conveyor trough The present invention relates to mining machinery and presents a new an improved machine, and components therefor, suitable for mining tar sands and other soft materials such as soft coal, oil shale and so forth. The machine can be used both above ground ...	08/12/1980
4193638	Multiple tip cutting bit for rotary drum-type cutter A particularly better rotary cutter for a road planing machine and the like has special holders provided with multi-sided tapered sockets extending generally tangential to the drum surface. A multiple tip cutting bit suitable for use with the aforemention...	03/18/1980
4170267	Tooth for rotary drilling tool for drilling foundations A tooth for a rotary drilling tool, more particularly an earth drill especially adapted for drilling in rocky soils is described including a working or cutting portion and a retaining portion; said working portion having at least one longitudinal edge pro...	10/09/1979

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Class 299/101 - Plural cutting edges on tooth, pick, or bit