| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 299105000 |
Wear resistant feature for tool body (e.g., hard facing)
| 36 |
| 299113000 |
Insert or tip mounting feature (e.g., soldering, brazing, friction or interference fit)
| 31 |
| 299104000 |
Wear shield or replaceable wear sleeve
| 31 |
| 299106000 |
Rolling or rotatable type bit mount
| 20 |
| 299106000 |
Rolling or rotatable-type bit mount
| 16 |
| 299110000 |
Rolling or rotatable bit
| 14 |
| 299810100 |
Cleansing fluid passage
| 9 |
| 299102000 |
Clamped tooth holder or tooth mount
| 8 |
| 299100000 |
Percussive tooth or bit | 5 |
| 20090184564 | PCD PERCUSSION DRILL BIT - The invention is embodied in a percussion drill bit which comprises a steel body with a working front head portion having a front central zone and plural wing zones radiating from the central zone and being spaced at the outer circumferential edges thereof; first gauge-cutting PCD inserts are secured in the wing zones to extend forwardly at an angle relative to the axis of the bit, and of at least one second core-cutting PCD insert is non-axially secured to extend forwardly from the central zone. | 07-23-2009 |
| 20090256413 | CUTTING BIT USEFUL FOR IMPINGEMENT OF EARTH STRATA - A cutting bit for impinging earth strata wherein the cutting bit includes a highly wear-resistant elongate cutting bit body, which has an axial forward end and an axial rearward end, an enlarged dimension head portion at the axial forward end and a reduced dimension shank portion at the axial rearward end. The highly wear-resistant elongate cutting bit body has a maximum transverse dimension and a longitudinal axial length. The cutting bit includes a superhard insert, which is affixed to the head portion at the axial forward end of the cutting bit body. The cutting bit has a slimness ratio, which comprises the ratio of the maximum transverse dimension to the longitudinal axial length wherein the cutting bit exhibits a slimness ratio ranging between about 0.15 and about 0.60. | 10-15-2009 |
| 20120153706 | PERCUSSION TOOL FOR A DEMOLISHING HAMMER OR THE LIKE - A percussion tool for a demolishing hammer or the like, comprises an elongated body that has a first portion aimed to be connected with the demolishing hammer and a second portion, opposite to the first portion, that includes a working bit. The two portions are made of mutually different materials and are rigidly connected by means of a connection member that can be applied outside the portions. Both portions of the tool have formations that can be engaged by corresponding formations of the connection member. | 06-21-2012 |
| 20120261977 | Thick Pointed Superhard Material - In one aspect of the invention, a high impact resistant tool includes a superhard material bonded to a cemented metal carbide substrate at a non-planar interface. The superhard material has a substantially pointed geometry with a sharp apex having a radius of curvature of 0.050 to 0.125 inches. The superhard material also has a thickness of 0.100 to 0.500 inches thickness from the apex to a central region of the cemented metal carbide substrate. | 10-18-2012 |
| 20160123472 | SEAL OF TOOL AND METHOD OF SEALING - A seal of a tool of a breaking hammer, a sealing arrangement, a breaking hammer and a method of sealing a tool of breaking hammer is provided. The seal is a sealing ring having an outer periphery provided with several projecting elements, which are slanted. The projecting elements generate torque in the sealing ring when being pushed in a transverse direction during use of the breaking hammer. Thus, the sealing ring may rotate relative to the tool. | 05-05-2016 |
| 299101000 |
Plural cutting edges on tooth, pick, or bit | 5 |
| 20090302668 | Holder for holding a tooth on a body of a cutting blade or grinding drum for cutting or grinding rock or hard earth formations - The present invention provides a holder for holding a tooth on a body of a cutting blade or grinding drum for cutting or grinding rock or hard earth formations. The body has an attachment surface for attaching the holder. The holder comprises a portion for holding the tooth in a manner such that a portion of the tooth projects from the holder. The holder also comprises a base surface for attaching the holder to the attachment surface of the body. The holder is positionable in a plurality of different orientations in which the base surface is attachable to the attachment surface and in which the received tooth projects from the body in a predetermined direction. When the holder is positioned in one of the plurality of orientations, the base surface has, within an area over the attachment surface, a shape which is profiled so that a region defined between the base surface and the attachment surface is, for at least one of the plurality of different orientations, smaller than a region that would be defined if the base surface would have a flat shape. | 12-10-2009 |
| 20100141016 | CUTTING TOOL FOR BREAKING OR EXCAVATING MACHINES - A cutting tool for breaking or excavating machines, comprising: a tool body,a main tip ( | 06-10-2010 |
| 20130002004 | 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 includes a tapered portion and a stem. The tapered portion includes a first end and a second end, with a surface tapering from the first end to the second end. There are at least two flutes positioned along the tapered surface, where a first flute is positioned at an angle relative to a longitudinal axis passing through the center of the mining bit tool and a second flute is positioned to cross a path of the first flute. The stem extends from the first end of the tapered portion, and the tip is coupled to the second end of the tapered portion. | 01-03-2013 |
| 20140175853 | Pick For Earthworking Machine - A pick to be used on an earth working roll for mining, construction and public works machines such as crushers, surface miners, milling machines and the like. The pick includes a working end with holes that extend into the pick and inserts are received into the holes. The inserts during operation impact and fracture a consolidated material to separate the material. Impacting the material generates heat in the pick at the working end of the pick which must be dissipated and attenuated to limit thermal fatigue in the inserts that occurs at high temperatures. The inserts in the working end are configured to dissipate the generated thermal energy from the inserts to the body of the pick. | 06-26-2014 |
| 20140191562 | 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 includes a tapered portion and a stem. The tapered portion includes a first end and a second end, with a surface tapering from the first end to the second end. There are at least two flutes positioned along the tapered surface, where a first flute is positioned at an angle relative to a longitudinal axis passing through the center of the mining bit tool and a second flute is positioned to cross a path of the first flute. The stem extends from the first end of the tapered portion, and the tip is coupled to the second end of the tapered portion. | 07-10-2014 |
| 299820100 |
Endless-chain type head | 3 |
| 20140312679 | CUTTING CHAIN - A chain link ( | 10-23-2014 |
| 20140368021 | PLANING DEVICE - The invention relates to a plowing device having a plow chain which is guided inside a channel ( | 12-18-2014 |
| 20160032722 | CUTTING LINK FOR MINING CHAIN AND MINING PIN RETENTION SYSTEM - An improved cutting link and drive pin retention system for mining chains is disclosed. The cutting link is cast as a single piece instead of multiple parts welded together. The drive pin retention system further decreases the chance that the chain can break due to sheared dowel pins. | 02-04-2016 |
| 299108000 |
Planar type bit mount | 2 |
| 20120001475 | CUTTER ASSEMBLY CONFIGURED TO ALLOW TOOL ROTATION - A base block for a cutting drum is disclosed. The base block may have a first end. The first end may have an opening configured to receive a tool. The first end may also have a flat surface surrounding the opening. The base block may have a second end configured to abut the cutting drum. The base block may further have an internal passageway commencing at the opening configured to receive the tool. The passageway may define a longitudinal axis that is offset by an acute angle from being perpendicular to the flat surface. | 01-05-2012 |
| 20120181845 | Dual Slotted Holder Body for Removal Tool Access - A plurality of differing horizontal pairs of slot shapes are positioned in the upper body portion of a quick change type bit holder to provide access to a bit extractor tool for removing the bit holder from its associated bit block. | 07-19-2012 |
| 299112000 |
Planar type bit | 2 |
| 20120086260 | BIT REPLACING DEVICE FOR EXCAVATING MACHINE - An opening for a replacement bit can be closed without a large drive force, the replacement bit can be replaced without being moved, and the workability of replacement is not impaired. A rear surface frame ( | 04-12-2012 |
| 20140339883 | SHEAR CUTTER PICK MILLING SYSTEM - This disclosure relates to a system for removing road material. In an embodiment, the system may include a milling drum and at least one pick mounted on the milling drum. Furthermore, the pick may include polycrystalline diamond at least partially forming one or more working surfaces of the pick. | 11-20-2014 |
| 20120086260 | BIT REPLACING DEVICE FOR EXCAVATING MACHINE - An opening for a replacement bit can be closed without a large drive force, the replacement bit can be replaced without being moved, and the workability of replacement is not impaired. A rear surface frame ( | 04-12-2012 |
| 20140339883 | SHEAR CUTTER PICK MILLING SYSTEM - This disclosure relates to a system for removing road material. In an embodiment, the system may include a milling drum and at least one pick mounted on the milling drum. Furthermore, the pick may include polycrystalline diamond at least partially forming one or more working surfaces of the pick. | 11-20-2014 |
| 299103000 |
Clamped tooth | 1 |
| 20150028657 | CUTTER FOR SHAFT AND/OR TUNNEL BORING - A cutter is provided for shaft and/or tunnel boring which comprises a divided cutter ring ( | 01-29-2015 |
| 299800100 |
Adjustable head | 1 |
| 20100276986 | CUTTER DRUM EXTENSION MECHANISM - A continuous mining machine cutting head structure is set forth. The head member is of the type having axially extensible and retractable end portions. Included within the head member is a toroidal hydraulic cylinder for selectively extending and retracting these end portions. | 11-04-2010 |
| 299870100 |
Tooth mounted on helical head portion or head with helical conveying portion | 1 |
| 20140035346 | MILLING DRUM HAVING INTEGRAL TOOL MOUNTING BLOCKS - A tool mounting block is disclosed for use with a milling drum. The tool mounting block may have a flighting portion with a base surface configured to engage an outer cylindrical surface of the milling drum, and a mounting portion integrally formed with the flighting portion at a location opposite the base surface. The mounting portion may be configured to receive a separate tool holder. The tool mounting block may further have at least one locating feature integrally formed with the flighting and mounting portions. The at least one locating feature may be configured to interlock with at least one locating feature of an adjacent tool mounting block. | 02-06-2014 |
| Entries |
| Document | Title | Date |
|---|
| 20080284234 | Pick with a Reentrant - In one aspect of the invention, a pick adapted to degrade man-made or natural formations has a steel body comprising a shank adapted for attachment to a driving mechanism. The pick also has a leading edge opposite the shank which has an inside edge. A bore is disposed in the steel body proximate the inside edge. A cemented metal carbide core is press fit into the bore. A reentrant is formed at least partially in the bore. | 11-20-2008 |
| 20080284235 | Spring Loaded Pick - In one aspect of the invention, an apparatus for degrading natural and man-made formations includes a pick with an axially spring loaded pick comprising a central axis and being attached to a holder secured to a driving mechanism. The pick comprising a steel body with an axial shank disposed within a bore of the holder. | 11-20-2008 |
| 20080296959 | Cutter head for a ground cutter machine having rotary cutters - The invention relates to a cutter head for a ground cutter machine having at least one cutter motor. Each cutter motor comprises:
| 12-04-2008 |
| 20090066149 | Pick with Carbide Cap - In one aspect of the present invention, a high-impact resistant pick has a superhard material bonded to a cemented metal carbide substrate at a non-planar interface. The cemented metal carbide substrate is bonded to a front end of a cemented metal carbide bolster. A bore formed in a base end of the carbide bolster is generally opposed to the front end. A steel body has a steel shaft fitted into the bore of the bolster at an interface. A shank adapted for connection to a driving mechanism extends from the steel body opposite the shaft. A washer is disposed intermediate the base end of the carbide bolster and a shelf of the steel body. | 03-12-2009 |
| 20100007192 | CUTTING BIT BODY AND METHOD FOR MAKING THE SAME - A cutting bit body that is a part of a cutting bit that includes a hard insert that is affixed to the cutting bit body and wherein the cutting bit impinges earth strata. The cutting bit body is an elongate powder metallurgical body member. A method for making a powder metallurgical cutting bit body that includes the steps of: providing a powder mixture; pressing the powder mixture into a green cutting bit body compact having a partial density; and consolidating the green body to form the powder metallurgical cutting bit body. | 01-14-2010 |
| 20110080036 | Spring Loaded Pick - In one aspect of the invention, an apparatus for degrading natural and man-made formations includes a pick with an axially spring loaded pick comprising a central axis and being attached to a holder secured to a driving mechanism. The pick comprising a steel body with an axial shank disposed within a bore of the holder. | 04-07-2011 |
| 20110204700 | IN-SITU COMPOSITE FORMATION OF DAMAGE TOLERANT COATINGS UTILIZING LASER - A coating steel component with a pattern of an iron based matrix with crystalline particles metallurgically bound to the surface of a steel substrate for use as disc cutters or other components with one or more abrading surfaces that can experience significant abrasive wear, high point loads, and large shear stresses during use. The coated component contains a pattern of features in the shape of freckles or stripes that are laser formed and fused to the steel substrate. The features can display an inner core that is harder than the steel substrate but generally softer than the matrix surrounding the core, providing toughness and wear resistance to the features. The features result from processing an amorphous alloy where the resulting matrix can be amorphous, partially devitrified or fully devitrified. | 08-25-2011 |
| 20120086259 | Mixer Bar For A Stabilizer/Recycler - The invention relates to a mixer bar for a stabilizer/recycler, having an attachment side that comprises an attachment surface for mounting on a drum surface, and having a tool holder receptacle. A mixer bar of this kind can be configured in wear- and strength-optimized fashion, with little production outlay, if provision is made that the mixer bar is embodied as a forged part and has a cross-sectional profile that varies at least locally transversely to the tool feed direction. | 04-12-2012 |
| 20120146390 | ATTACK TOOL ASSEMBLY - An attack tool assembly ( | 06-14-2012 |
| 20120286559 | Streamlining bit assemblies for road milling mining and treching equipment - An improved bit assembly for road milling, mining, and trenching equipment includes a streamlined tip assembly that is a combination of conical and cylindrical in shape and devoid of protrusions or annular indentations that might impede the flow of removed material over and around the bit assembly or provide space for removed material to become clogged or imbedded on the tip assembly. The generally cylindrical hollow shank that mounts the bit holder to the bit block includes at least one axially aligned slot along its side wall that allows the side wall to supply radial force to maintain the bit holder in the bit block. | 11-15-2012 |
| 20130076102 | TOOL SYSTEM AND TOOL FOR MINING MACHINE - A tool system for a mining machine. The tool comprises a tool holder ( | 03-28-2013 |
| 20130119746 | REPLACEABLE ARBOR TOOL HOLDER FOR REPLACEABLE IMPACT TOOLS - A replaceable arbor tool holder for replaceable impact tools provides a base structurally carrying a tool holder for a replaceable impact tool. The base is arcuate and the tool holder is structurally interconnected to a top surface of the base. A medial channel is defined in the tool holder to releasably carry an impact tool. The tool holder converts impact forces upon the impact tool into frictional forces along a line tangent to the circumference of the arbor when the tool holder is fastened to the rotating arbor. | 05-16-2013 |
| 20130169022 | RADIAL AND CONICAL TOOLS WITH COMPRESSION BAND RETAINER - Tool bit for non-rotatable mounting in a bore of a holder has a cutting head, a shoulder and a shank arranged axially along an axis of the tool bit. A groove is disposed circumferentially about a portion of the shank, and a compression band seated therein. Two or more grooves on the shank can include a non-metallic compression band and an optional o-ring. The compression bands/o-ring protrude past the outermost surface of the shank and, when the tool bit is positioned in a bore of a holder or sleeve, cause an outermost surface of the shank to be in non-contact with an inner diameter surface of the mounting bore and seal the space between the shank and the inner diameter surface of the bore to help prevent moisture and dust encountered during operation from getting between the tool and the holder. | 07-04-2013 |
| 20130175848 | CUTTING TOOL HOLDING DEVICE - A cutting tool holding device includes a base, a cutting tool holder and a fastening member. The base includes an abutting portion and a transverse dovetail groove, wherein the abutting portion is defined between a first wall with a mounting surface and a second wall, and the transverse dovetail groove is formed on the mounting surface. The cutting tool holder has a transverse dovetail portion, wherein the cutting tool holder is abutted against the abutting portion, and the transverse dovetail portion is detachably engaged into the transverse dovetail groove on the mounting surface of the second wall. The fastening member is for fastening the cutting tool holder to the base. | 07-11-2013 |
| 20130241264 | CHISEL HOLDER, AND CHISEL HOLDER SYSTEM COMPRISING A CHISEL HOLDER AND A BASE PART - A chisel holder comprises a body zone ( | 09-19-2013 |
| 20130241265 | CHISEL HOLDER, AND CHISEL HOLDER SYSTEM COMPRISING A CHISEL HOLDER AND A BASE PART - A chisel holder comprises a body zone ( | 09-19-2013 |
| 20130270890 | Sensored Pick Assembly - A degradation assembly may comprise at least one sensor mounted on a pick; the pick comprising a first conductor in communication with the sensor. The assembly may also comprise a receiving element including a bore comprising a second conductor. The first and second conductors may combine to create a connection as the pick is inserted into the bore of the receiving element. | 10-17-2013 |
| 20140035345 | MILLING DRUM TOOL HOLDER - A tool holder is disclosed for use with a milling drum. The tool holder may have a generally cylindrical body defining a first end configured to be received within a tool mounting block of the milling drum, and a second end configured to receive a cutting bit. The tool holder may also have a flange located between the first end and the second end, and a first blind bore initiating at the second end and stopping at the flange such that the generally cylindrical body is substantially solid at the flange. The tool holder may further have at least one sloped surface located at a side of the flange facing the first end of the generally cylindrical body. | 02-06-2014 |
| 20140062163 | PICK TOOL - A pick tool for degrading asphalt or rock, comprising a PCD element; the PCD element comprising a PCD structure ( | 03-06-2014 |
| 20140084669 | TIP FOR DEGRADATION TOOL AND TOOL COMPRISING SAME - A tip for a degradation tool, the tip comprising a PCD structure ( | 03-27-2014 |
| 20140110991 | Combination Polycrystalline Diamond Bit and Bit Holder - A quick change type bit/bit holder includes several different structures for holding the item in a bit block without the necessity of a fastener. The bit portion of the bit/bit holder combination includes a ductile steel insert with a polycrystalline diamond coated tungsten carbide bit positioned therein. The ductility of the steel insert acts as a shock absorber to allow the bit to successfully remove concrete as well as asphalt in a road milling machine. | 04-24-2014 |
| 20140117740 | Cutting tip and cutting bit having increased strength and penetration capability - A profile of a cutting tip includes a convex portion extending from a cutting end to an inflection point located at an axial and radial distance from the cutting end. A concave portion extends from the inflection point to a point at a greater radial and axial distance from the cutting end. The profiles of the generally concave portion and the generally convex portion have a first linear portion defined by a portion of a first line extending from a first point at a first radial position to a second point at a second radial position and axially spaced from the first point. A second linear portion is defined by a portion of a second line extending from a third point to a fourth point at the second radial position and at an axial distance from the second point corresponding to about half a length of the first line. | 05-01-2014 |
| 20140252843 | TUNNEL BORING MACHINE DISC CUTTERS AND RELATED METHODS OF MANUFACTURE - In an embodiment, a disc cutter for use on a tunnel boring machine may include a shaft and a cutter assembly rotatably mounted on the shaft. The cutter assembly may include a cutter ring extending circumferentially about a central axis and one or more bearing apparatuses rotatably mounting the cutter assembly to the shaft. Each bearing apparatuses may include a rotor extending circumferentially about the central axis and a first plurality of superhard bearing elements distributed circumferentially about the central axis. Each first superhard bearing element may be attached to the rotor and may include a bearing surface. The bearing apparatuses may further include a stator extending circumferentially about the central axis and a second plurality of superhard bearing elements attached to the stator that are generally opposed to the first plurality of superhard bearing elements of the rotor. | 09-11-2014 |
| 20140265529 | Bit Holder And Base Part For Receiving A Bit Holder - The invention relates to a bit holder having an insertion projection and having a holding projection having a bit receptacle, the insertion projection comprising a bearing segment and the holding projection comprising a supporting segment. In order to allow the bit holder to be braced in permanent and stable fashion with respect to a base part, provision is made according to the present invention that the supporting segment and/or the bearing segment comprise two supporting surfaces and bearing surfaces, respectively, arranged at an angle to one another; and that the longitudinal center axis of the bit receptacle and the longitudinal axis of the insertion projection enclose an obtuse angle. | 09-18-2014 |
| 20140319897 | FLAT CUTTER BIT WITH CUTTING INSERT HAVING EDGE PREPARATION - A flat cutter bit for engaging an earth strata material includes a non-rotatable shank portion, a head portion integrally formed with the non-rotatable shank portion and including a tip region distal from the non-rotatable shank portion, and a cutting insert mounted at the tip region of the head portion. The cutting insert includes a body having an angled leading face, a top surface having a relief surface, a T-land surface extending between the angled leading face and the relief surface of the top surface and a cutting edge formed at the intersection of the T-land surface and the relief surface of the top surface. | 10-30-2014 |
| 20150015055 | Cutting Tool Mounting Assembly - A cutting tool mounting assembly adapted for attachment to a surface of a rotatable driving member of a cutting tool machine, includes: a tool holder having a key shank; a base attached to the surface of the rotatable driving member, the base having a mounting groove for receiving the key shank of the tool holder; a resilient retention structure configured to interact with the base and the tool holder to facilitate a friction fit between the tool holder and the base; and wherein tool holder includes a retention post configured for cooperating with the base for connecting the tool holder to the base. Also included is a dampening element configured between the tool holder and the base for reducing vibration therebetween. | 01-15-2015 |
| 20150028655 | CUTTER TOOL - A cutter tool that includes a shank by which the tool is releasably retainable within a tool holder, an enlarged shoulder or heel provided at one end of the shank and adapted, in use, to abut a seating surface of a tool holder and limit the penetration of the tool holder into a receiving aperture of the tool holder, and an integral blade provided beyond the enlarged shoulder or heel and terminating in a carbide or other tip. The tool is provided with a zone of weakness such that if subjected to fracture forces, a fracture will be encouraged to propagate from the zone of weakness in a particular desired manner. | 01-29-2015 |
| 20150028656 | Bit Holder - An improved bit holder includes a larger bit shank bore and an enlarged upper shank segment or band with a taper of up to 7 degrees per side that provides an interference fit between the top of the shank and top of the bit block bore when the bottom of the bit holder body seats on the top of the bit block bore. An annular tapered void adjacent the bit holder tire portion provides for ease of bit holder extraction. | 01-29-2015 |
| 20150076894 | CUTTING BIT AND BIT ASSEMBLY - A cutting bit and bit assembly for mounting at a cutting machine. The bit includes an axially tapered bit body having a recess extending axially within the body. The recess has an innermost region and a mouth region that is generally convex and/or tapered radially outward to abut a corresponding concave or tapered surface of a projection to secure the cutting bit at a holder body. An annular step is positioned within the recess at the mouth region to prevent dust and contaminant fluid or particles from passing axially into the recess. | 03-19-2015 |
| 20150102654 | MINERAL BITS AND MOUNTS - Mineral bits ( | 04-16-2015 |
| 20150130258 | Dirt and Rock Cutting Bit Tool - A dirt and rock cutting tool includes a cutting bit mounted on a bit holder. The cutting tool is secured to a bit holder in a manner that allows infinite rotational positioning of the cutting bit but substantially prevents rotation of the cutting bit once secured to a bit holder. The bit holder includes a planar shoulder and a shank extending from the planar shoulder. Shank has a terminal end which includes a threaded bore member. The bit holder includes a receiver dimensioned for receiving the shank. At least one hardened pin member is carried by the bit holder. At least a portion of the tip of the hardened pin extends beyond the surface of the shoulder. Upon securing the bit holder to the bit block, the hardened pin is pulled into the softer metal of the bit block, substantially preventing rotation of the bit holder within the bit block. | 05-14-2015 |
