Class 299/79.1 - CUTTER TOOTH OR TOOTH HEAD

Subclass of Class 299 - Mining or in situ disintegration of hard material
Definition: Apparatus comprising (1) an element which is disclosed as
No. of patents: 37
Last issue date: 06/16/2009

Number	Title	Issue Date
7547074	Overlapping pedestals for supporting a block secured to a rotating drum A pedestal assembly for an asphalt cutter and/or a longwall shearer includes a cutting bit detachably secured in a tool body mounted within a block with the block fixedly secured to a pedestal. The first end of the pedestal has a recess to overlap the second end of ...	06/16/2009
7469971	Lubricated pick In one aspect of the invention, a degradation assembly has a holder attached to a driving mechanism and comprising a longitudinal central bore. The bore has an opening at a distal end from the driving mechanism. The pick has a body intermediate a shank and an impact...	12/30/2008
7387345	Lubricating drum In one aspect of the invention a degradation drum comprises a generally cylindrical body comprising inner and outer diameters. At least one degradation assembly is disposed on the outer diameter and it comprises a holder and a pick shank secured within a bore of the...	06/17/2008
7384104	Oscillating disc cutter with speed controlling bearings An oscillating disc cutter including a cutting disc and a drive mechanism. The drive mechanism includes a drive shaft to effect eccentric oscillation of the cutting disc and a radial bearing disposed to permit relative rotation between the drive shaft and the cuttin...	06/10/2008
7331410	Drill bit arcuate-shaped inserts with cutting edges and method of manufacture Disclosed are a variety of arcuate-shaped inserts for drill bits, and in particular, for placement in rolling cone cutters of drill bits. The arcuate inserts include 360° or ring-shaped inserts, as well as inserts of smaller arcuate length. The arcuate inserts are ...	02/19/2008
7168501	Rotor system for ground milling or mine milling A rotor system for ground milling or mine milling comprising a base rotor provided with a number of support plates for accommodating tools. The tool support plates are detachably joined to the base rotor in the rotor system. A number of segments are radially arrange...	01/30/2007
7066555	Reinforced concrete milling/cutting mandrel In accordance with the invention as embodied and broadly described herein, the present invention features a milling mandrel attachable to a milling device and comprising a primary cylindrical barrel; a plurality of cutting bits removably attached to the primary barr...	06/27/2006
7036890	Core breaker for an earth strata cutting assembly A core breaker that includes a support that contains at least one bore wherein the bore is defined in part by an axial forward frusto-conical wall and further defined by an axial rearward cylindrical wall that contains a groove therein. The core breaker has an elong...	05/02/2006
7017683	Cutter for tunnel boring machine A cutter for a tunnel boring machine is equipped with a cutter body (1) with a slanting surface (2), a cylindrical contact surface (12) and a preferably tapered threaded portion with specially designed threads (6), a clamping ring (4	03/28/2006
6890037	Cutting drum web deflector A cutting device including a cutting drum, a motor housing, a structural web extending between the motor housing and the cutting drum, and a structural member attached to the cutting drum adjacent the web. The structural member has a structural surface including an ...	05/10/2005
6764140	Drum mounting plate for cutting tool holder block A cutting tool assembly having a holder block mounting scheme which effectively and accurately positions the cutting tip point at its designed angle of attack. The connection assembly limits undesirable shifting during attachment of the holder block to a cutting dru...	07/20/2004
6739327	Cutting tool with hardened tip having a tapered base A cutting tool has a centrally located tungsten carbide insert brazed into a seat at the forward end of the tool. The seat has a circular mouth and rearward of the mouth is a frustoconical inner wall. At the bottom of the seat is a transverse surface. A tungsten car...	05/25/2004
6546977	Stump grinding apparatus A stump grinding device includes a wheel having an outer peripheral edge in which a plurality of recesses are formed. Disposed in each recess is a plurality of cutting units each including a block affixed to a floor of the recess, and a bit mounted in the...	04/15/2003
6481803	Universal bit holder block connection surface According to the present invention a bit holder block that can be durably connected to both a driven chain and rotary drum is disclosed. The bit holder block is designed to enable it to be welded or fused by other well-known methods to either a rotary dru...	11/19/2002
6431656	Processing tool for a road surface processing machine A processing tool for a road surface processing machine, having a tool head coupled with a support element, wherein the support element can be exchangeably fastened on a tool holder. For increasing the non-skid properties of the road surface, the tool hea...	08/13/2002
6386641	Weld joint design for corners A design is disclosed for promoting the formation of weld between a first member and a second member whereby a fin is introduced at the outer corner portion of the first member to minimize the creation of defects such as runout or rollover. While such a d...	05/14/2002
6382732	Cutter head, tunnel excavating machine, and cutter replacing method A cutter head is rotationally drivably mounted on a front portion of a tunnel excavating machine body, a plurality of cutter spokes are provided radially on the cutter head, a plurality of mounting holes are formed in a front surface portion of each of th...	05/07/2002
6343842	Roller bit for tunnel-driving machines with segmented cutting rings The present invention provides a roller bit for tunnel-driving machines. Pursuant to the invention, a cutting ring has at least two or more segments. Accordingly, it is possible to renew the cutting ring itself or different parts of the cutting ring segme...	02/05/2002
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
6331035	Cutting tool holder assembly with press fit An excavation cutting tool holder includes a cutting tool holder having a holder body portion and a holder shank, the holder shank having a press fit portion and a shank bottom end, the shank press fit portion having a shank press fit dimension and the sh...	12/18/2001
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
6244665	Cutting toolholder with recessed groove for cutting tool removal A toolholder for securing a cutting tool used for mining and construction applications whereby the holder has a recessed groove to provide access to the underside of a flange on the cutting bit to promote removal of the cutting tool from the toolholder....	06/12/2001
6224163	Milling roller module for a surface miner A milling roller module for a surface miner, includes a milling roller operating with undershot for loosening the material from the block being mined, a support frame for fastening the milling roller to the surface miner, and a takeup chute for supporting...	05/01/2001
6199956	Round-shank bit for a coal cutting machine A round-shank bit for a coal cutting machine or the like, having a bit head and a bit shank, wherein the bit head has a bit tip, maintained by a base element in a receptacle of the bit head. Starting at the base element, the bit tip tapers in a direction ...	03/13/2001
6193444	In-situ blending and transferring of earth materials A method and apparatus for blending and transferring earth material at a blending site. The apparatus has a sinking shank mounted on the end of a boom of a working machine. Two cutter drums are mounted in spaced relation on the end of the shank for rotati...	02/27/2001
6183170	Cylindrical cutting device A chisel holder is connected exchangeably in a fixed manner to at least one base mount disposed on a surface of a cylindrical cutting device, such as a cutting machine or a line milling machine, in a manner obviating use of a threaded setscrew. A borehole...	02/06/2001
6176552	Cutting bit support member with undercut flange for removal A sleeve for securing a cutting bit within a block used for mining and construction application whereby a flange on the sleeve has an undercut portion to promote removal of the sleeve. Additionally, a block used to secure a cutting bit within a holder use...	01/23/2001
6129422	Cutting tool holder retention system An excavation cutting tool holder retention system. The cutting tool holder retention system includes a cutting tool holder having a holder side surface, a flange recess at least partially enclosed by the holder side surface, and a holder engagement surfa...	10/10/2000
6099081	Point attack tooling system for mineral winning A pick box (1) of a tooling system for mineral winning etc., has an elongated aperture (4) to receive, in use, a removable liner sleeve (6) of the tooling system, the box (1) providing a seating surface (7) extending orthogonally with respect to the axis ...	08/08/2000
5992405	Tool mounting for a cutting tool A tool mounting block having a forward surface and a rearward surface and a cylindrical transverse aperture extending therethrough opening onto both the forward and rearward surfaces. The tool has a tapered forward cutting end, and axially aligned behind ...	11/30/1999
5924222	Trench wall cutter The invention relates to a trench wall cutter with a cutting frame and a gear shield attached thereto. There is at least one cutting wheel positioned to turn on the opposite shield sides, and on it roller-shaped excavation tools distributed over the perip...	07/20/1999
5844160	Land mine clearing tool A forwardly-rotatable, driven-drum, land mine clearing tool has a plurality of robust, easily-repairable tool spokes extending radially from the outer surface of the drum. The land mine clearing tool is connected to the front end of a tracked vehicle and ...	12/01/1998
5722789	Multi-width cutter A modification of a cold milling machine used to remove concrete and asphalt from an existing highway is disclosed, including a milling drum segmented into two or more sections with the drive train for the milling drums passing through the core of the mil...	03/03/1998
5662387	Cutter head and method for mining hard rock A cutter head for use in the removal of hard rock. The cutter head combines a standard cutting member, such as button bits or wedge-lock cutters, with cutting blades having a diamond cutting surface. The cutting blades cutting surface is positioned above ...	09/02/1997
4303277	Triangular shaped cutting head for use with a longwall mining machine A longwall mining machine comprises a rotatable cutting head having a configuration in the form of an equilateral triangle viewed along its axis of rotation and formed with a continuous auger along the outer surface of the head. Cutter bits are located on...	12/01/1981
4294183	Cutter configuration for efficient ice disaggregation and clearing In order to improve the efficiency and reliability of the cutter units employed in large scale ice disaggregation systems, a cutter configuration is employed characterized by an outwardly extending arm which sweeps rearwardly from the direction of travel ...	10/13/1981
4001798	Self-contained sensor A sensor for remotely monitoring a physical stimulus is rendered completely self-contained by utilizing the equivalent electrical signal transduced from the stimulus to power an A. C. signal source as well as to modulate the A. C. signal generated therefr...	01/04/1977

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Class 299/79.1 - CUTTER TOOTH OR TOOTH HEAD