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| Number | Title | Issue Date |
| 8128014 | Turbo pulp lifter A pulp lifter for installation in a rotary grinding mill has a leading edge wall and a trailing edge wall with respect to rotation of the mill. The leading edge wall and the trailing edge wall define a pulp lifter chamber, and a grate allows slurry to pass to a radi... | 03/06/2012 |
| 8056847 | Rotating feed distributor A rotating feed distributor for use in connection with rock crushers and other devices. The feed distributor comprises a platform for receiving rocks and a chute having an inlet and outlet wherein the rocks pass through. The feed distributor is designed to reduce we... | 11/15/2011 |
| 7832670 | Material reducing apparatus Described herein is a material reducing apparatus including a bypass arm and a bypass control member for allowing reduction-resistant objects of a material to bypass the apparatus while avoiding interruption of the operation of the apparatus. Other embodiments may b... | 11/16/2010 |
| 7293729 | Arrangement facilitating single fastener attachment for strikers of a wood comminuting rotor A comminuting striker assembly for mounting on a rotor of a comminuting apparatus comprising: a striker having first and second opposed faces, the first face defining at least one cutting edge, and a striker retainer, the striker and striker retainer defining cooper... | 11/13/2007 |
| 6983903 | Multi-functional shredder The present application discloses a multi-functional shredder that is capable of effectively destroying both paper documents and rigid/semi-rigid objects, such as CDs or DVDs. This multifunctional shredder comprises a housing; a drive system including at least one m... | 01/10/2006 |
| 6874716 | Beater bar capable of being acted upon on one side for impactor rotors A beater bar capable of being acted upon on one side for impactor rotors and insertable form-fittedly into circumferential slots of the rotors has a bend with an elongate cross-section, a bearing surface heldable counter to a centrifugal force of the rotating rotors... | 04/05/2005 |
| 6550702 | Apparatus for removing and chipping wood scraps An apparatus for receiving wood scraps from a work area and reducing the scraps to wood chips having a saleable consistency and size. The apparatus includes a combined chipper and a blower section, the chipper section being mounted on the intake side of t... | 04/22/2003 |
| 6484766 | Stump grinding apparatus having improved cutter tool A stump grinding wheel includes a wheel member having a plurality of receiving brackets. Each receiving bracket includes a cutting tool channel. A cutting tool is received in each of cutting tool channel. Each cutting tool includes an elongated shaft havi... | 11/26/2002 |
| 6419173 | Production plus hammer with protective pocket A hammer comprising a hammer body. The hammer body comprises a rotor forming portion with a trailing and a leading edge and is capable of securement to a rotor, a tip support section capable of extending into a debris path, and a production pocket extendi... | 07/16/2002 |
| 6260780 | Paper shredder shaft A shredder cylinder that includes a generally circular shaft having a plurality of spaced apart cutting disks arranged along the axis of the cylinder, and a spacer disposed between adjacent disks. The spacer has a diameter greater than the diameter of the... | 07/17/2001 |
| 6196284 | Wood pulverizer with improved grates and grate components An improved wood pulverizer is provided with a rotating disc studded with a plurality of curved tapered hammers. One or more anvils is secured to the pulverizer with the anvil having teeth and slots located adjacent the surface of the disc. The hammers of... | 03/06/2001 |
| 6148882 | Disk chipper and method for fastening a bedknife to a disk chipper A disk chipper includes a bedknife, the bedknife having opposing first and second surfaces, and a chipper frame, the chipper frame having an opening for receiving the bedknife, the opening being defined by opposing first and second surfaces for facing the... | 11/21/2000 |
| 6145768 | Layout of an apparatus for crushing-breaking useless casting products, a fixed cutter device and a rocking cutter device used for the apparatus, and a method for coating the fixed cutter device and the rocking cutter device It is an object of the present invention to provide a layout of a crushing-breaking apparatus capable of achieving a full-automated factory, improving the efficiency in operation and ensuring the safety. The layer comprises a crushing-breaking apparatus f... | 11/14/2000 |
| 6102312 | Rotary hammer mill A rotary hammer mill for breaking, cutting and crushing frangible or fracturable solid materials. The hammer is formed by a shaft rotatable about a horizontal, longitudinal axis. A plurality of swinging hammers are aligned along the shaft and each is posi... | 08/15/2000 |
| 6089482 | Blade assembly for paper shredders A blade assembly for paper shredders includes a plurality of blades arranged in a series on a rotary shaft. Each of the blades has a central hole and is integrally formed to have long and short projecting plates projecting from opposed sides thereof, resp... | 07/18/2000 |
| 6070820 | Table reinforcing ring for a vertical shaft impact crusher On a vertical shaft impact crusher, a table assembly having a reinforcing ring is disclosed. The vertical shaft impact crusher for crushing aggregate material includes a frame, with the table assembly being mountable to the frame for rotation about a vert... | 06/06/2000 |
| 6066407 | Wear resistant parts for hammers and chippers Long life wear parts are cast with mounting structures at proximal ends and relatively thin carbide layers at distal ends. The distal end carbide layers are filled with cast carbide material and distal faces of the cast steel wear parts are covered with t... | 05/23/2000 |
| 6047912 | Break-away processing tool for a waste processing machine A break-away processing tool for a waste processing machine includes a tool holder, at least one fastener for attaching the tool holder to a rotor assembly of the waste processing machine and a structure for allowing breakage of the tool holder in a contr... | 04/11/2000 |
| 5996657 | Stump cutter tool life extender A stump cutter having a rotatable disk having a plurality of cutting tool holders with a cutting tool cantilevered therefrom to engage a stump brought into contact with the cutting tool with a protector having a massive leading non-cutting edge that exten... | 12/07/1999 |
| 5967436 | Production plus hammer with protective pocket A hammer comprising a hammer body. The hammer body comprises a rotor forming portion with a trailing and a leading edge and is capable of securement to a rotor, a tip support section capable of extending into a debris path, and a production pocket extendi... | 10/19/1999 |
| 5950937 | Alumina-zirconia sintered body, production thereof, and impact grinder using said alumina-zirconia sintered body An alumina-zirconia sintered body comprising 92 to 35% by weight of aluminum oxide and 8 to 65% by weight of zirconium oxide having mainly tetragonal system, and 0.2 to 5 parts by weight of silicon oxide per 100 parts by weight of the total of aluminum ox... | 09/14/1999 |
| 5941469 | Chopper knife A forage harvester chopper knife includes a cutting region defined by a plurality of recesses arranged across the width of the knife so as to result in a corrugated or serrated cutting edge, the cutting edge thus defined requiring less energy for cutting ... | 08/24/1999 |
| 5927625 | Hay cutting machine An apparatus for cutting hay, straw, or other agricultural materials is provided with an intake hopper which directs a supply of material to be cut into a holding chamber. The material in the holding chamber is separated from the material remaining in the... | 07/27/1999 |
| 5911370 | Rotary mineral breaker tip assembly and components therefor An improvement relating to a rotary mineral breaker tip assembly and components therefor. A tip assembly is provided which presents an edge of a wear resistant tip which is able to be positioned within a rotary mineral breaker assembly by use of a positio... | 06/15/1999 |
| 5839677 | Track for mills A track for mills including a series of inner wearing segments and a series of outer wearing segments with a high resistance to wear. The upper surface of the inner wearing segments and the outer wearing segments provide two concentric circular runway pat... | 11/24/1998 |
| 5829698 | Rotor design This invention relates to an improved rotor design and in particular to a method of manufacturing a centrifugal rotor into which material is introduced and can exit therefrom as a consequence of the motion of the rotor, characterised by the step of positi... | 11/03/1998 |
| 5829695 | Crushing machine A crushing machine for crushing such as concrete structural members of buildings includes: a crushing machine outer casing; a fixed jaw body provided fixedly on the crushing machine outer casing; and a movable jaw body provided movably on the crushing mac... | 11/03/1998 |
| 5803374 | Breakdown tool A breakdown tool (10) for solid materials having fibrous constituents is attached to a container. The container accepts the material in a batch or continuous fashion. The breakdown tool (10) includes one or more material breakdown elements (21) which are ... | 09/08/1998 |
| 5791568 | Leaf vacuum/chopper An apparatus for vacuuming up and chopping material such as leaves has a housing having a main chamber centered on an axis, an inlet port opening axially into the chamber, and an outlet port opening tangentially of the chamber. A rotor disk in the chamber... | 08/11/1998 |
| 5772135 | Jaw crushers A replaceable jaw face (10a-10d) for a jaw crusher for crushing rocks and the like comprises corrugations (c) the axes of which are inclined to the vertical such that there is a lateral phase shift of the corrugations between the upper and lower end edges... | 06/30/1998 |
| 5743476 | Concrete crusher A concrete crusher has a crushing surface 1a on a stationary lower jaw 1 and it is formed so that its axial cross-section is V-shaped. A main crushing blade 5 is installed on a crushing surface 2a of a movable upper jaw 2 pivoted to the lower jaw and is o... | 04/28/1998 |
| 5730375 | Blade assembly and method A blade assembly for a shredding machine is presented which can be used in the method for replacing broken blades and when rebuilding the blade seat. The method includes milling the base support to reduce its height and redrilling the blade bolt holes. A ... | 03/24/1998 |
| 5711492 | Composite machine elements from fiber reinforced polymers and advanced wear ceramics Tooling parts such as cutting knives, bearings, gears and the like are constructed from advanced wear ceramics and fiber reinforced polymer material. The cutting knives are constructed from a plurality of ceramic blades molecular bonded or embedded in a s... | 01/27/1998 |
| 5655582 | Modified quick change inserted edges anvil system for wood chippers An anvil for a wood chipper includes an anvil body having a top surface, a bottom surface, and longitudinally extending side surfaces between the top and bottom surfaces. At least one of the side surfaces is adapted to accept an insert shaped and dimensio... | 08/12/1997 |
| 5597124 | Particle size reduction A process for determining the profile of the surface of the lining of the grinding bowl of a rolling mill in which the constant change in the angle of the grinding bowl that is necessary for accelerating transport of the product being ground is ca... | 01/28/1997 |
| 5570571 | Blade for a flail type brush cutting machine A blade for a flail type brush cutting machine. The blade is torch cut or cast from thick metal in a generally L shape to have any desired angle between its stem and floor, in the preferred embodiment the angle is ninety degrees to insure a close cut of b... | 11/05/1996 |
| 5465912 | Pulverizing and grinding hammer An improved pulverizing and grinding hammer and methods of making and using such a hammer in a hammer mill are disclosed. The improved hammer has a substantially trapezoidal insert made of a hard metal such as STELLITE 12 that is brazed onto a groove in a... | 11/14/1995 |
| 5427499 | Turbines having depressions in the working members thereof There is disclosed a turbine comprising a pair of relatively movable working members having closely spaced opposed surfaces with depressions therein acting to transer kinetic energy between a working fluid and the working members.... | 06/27/1995 |
| 5409047 | Chipper knife A chipper apparatus including a rotating disc with one or more knife assemblies mounted on the disc operable to produce wood chips under the cutting action of the knives. Each knife comprises an elongate knife body bounded by opposed cutting edges. The cu... | 04/25/1995 |
| 5381975 | Hammer for use in shredders having replaceable pin holes The pin holes for hammers used in shredders can be changed without the need for removing the hammer pins. A single elliptical hammer pin slot is provided in the hammer. A hammer pin is inserted into one end of the elliptical hammer pin slot and a removabl... | 01/17/1995 |
