Impact Patents (Class 125/40)
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Patent number: 10352022Abstract: A sectional grader system for a mold board that includes a plurality of abutting grader segments for detachable connection to the mold board. Each grader segment includes a front face, a back face, a first bolt hole aperture, a right edge having a first recessed section, a left edge having a second recessed section, and a lower edge having a plurality of spaced sockets. The first recessed section may be adapted to accommodate a first portion of a second bolt hole aperture. The second recessed section of an adjacent grader segment may be adapted to accommodate a second portion of the second bolt hole aperture. The sectional grader system may further include a bridge segment adapted to engage the first recessed section and the second recessed section of the adjacent grader segment in flush mount.Type: GrantFiled: March 2, 2016Date of Patent: July 16, 2019Assignee: Valley Blades LimitedInventor: Brad Hunt
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Patent number: 10179260Abstract: An exercise apparatus having homolateral and contralateral modes of operation is disclosed. The exercise apparatus may include a frame supporting generally vertically oriented reciprocating members spaced apart and in substantial parallel relationship to one another. The reciprocating members may include foot supports fixedly secured at the lower distal ends thereof and handlebars rotatably mounted proximate the upper distal ends of the reciprocating members. The handlebars may be selectively locked for homolateral and contralateral operation of the exercise apparatus.Type: GrantFiled: November 25, 2016Date of Patent: January 15, 2019Inventors: Kenneth W Stearns, Joseph D Maresh
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Patent number: 10016905Abstract: A cutting apparatus includes a blade relatively movable with respect to a media to cut the media along a cutting line. The blade is so constructed to pre-cut the media along the cutting line to leave non-cutting portions and to cut the non-cutting portions after pre-cutting the media.Type: GrantFiled: September 12, 2013Date of Patent: July 10, 2018Assignee: MIMAKI ENGINEERING CO., LTD.Inventor: Hisayuki Kobayashi
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Patent number: 9902055Abstract: A hand tool adapted to be used in the welding environment includes a handle and a head. The head includes a first end adapted to strike at and remove welding slag and a second end adapted to receive and retain a replaceable tip. The tip has two (2) opposable ends such that it can be reversed to extend the life thereof. The handle end, distal from the head, is operatively shaped to comprise a wedge and a pry surface.Type: GrantFiled: January 25, 2016Date of Patent: February 27, 2018Inventors: Daniel E. Baker, Kandis S. Baker
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Patent number: 9650101Abstract: A vehicle includes a handgrip assembly supported by a handlebar assembly. The handgrip assembly includes handgrip portion that defines an outer grip surface. The handgrip assembly also includes a cover portion coupled to the handgrip portion and partially surrounding the handgrip portion. The cover portion provides an appearance of a hand supported by or grasping the handlebar assembly.Type: GrantFiled: October 30, 2013Date of Patent: May 16, 2017Assignee: RAZOR USA, LLCInventor: Ian Desberg
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Patent number: 9533404Abstract: A wrench includes a body and a rod pivotably received in a first end of the body. A pressing device is mounted in the rod and presses against the body. A handle includes a shank and a connection end pivotably connected to the first end of the body. When the handle is in a coaxial position, the shank protrudes beyond an outer face of the first end. A longitudinal axis of the shank is coincident to the working axis. The shank can be rapidly rotated by fingers of a user. When the handle is in a storage position, the shank is received in a groove in the outer face. A palm of the user can grip and rotate the body without hindrance by the shank.Type: GrantFiled: August 25, 2014Date of Patent: January 3, 2017Inventor: Bobby Hu
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Patent number: 9359895Abstract: A cutting bit retaining assembly for mounting a cutting bit at a cutting machine includes a holder body having a through bore to receive a bit shaft. A retainer acts against the holder body and bit shaft and includes a first and second abutment member that provides a reliable and constant locking force between the body and the shaft.Type: GrantFiled: September 4, 2014Date of Patent: June 7, 2016Assignee: SANDVIK INTELLECTUAL PROPERTY ABInventors: Joe Fader, Hannes Voitic
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Patent number: 9283665Abstract: A hammer structure includes a hammer head and a handle is connected to the head. The handle has multiple parallel resilient sticks received therein. Each of the resilient sticks has a first threaded section and a second threaded sections formed on two ends thereof. A first locking member and a second locking member are respectively connected to the first and second threaded sections. The first threaded sections of the resilient sticks extend through multiple through holes in the hammer head and are connected with multiple third locking members. The second threaded sections of the resilient sticks are fixed to the handle. The handle includes multiple coats. The resilient sticks absorb vibrations when using the hammer.Type: GrantFiled: December 10, 2013Date of Patent: March 15, 2016Inventor: Shwu-Ruu Chern
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Patent number: 9221164Abstract: A chisel according to the present technology has a reduced tendency to jam in a substrate. The chisel is on an axis in the striking direction with successively a striking surface, a shank, a spreading element and a tip. The spreading element has multiple ribs around the axis extending along the axis 2. The ribs each have a wave shape formed through a tangential deflection with respect to the axis.Type: GrantFiled: February 15, 2013Date of Patent: December 29, 2015Assignee: HILTI AKTIENGESELLSCHAFTInventors: Jens Schneider, Karsten Brandenburg, Zsolt Kosa, Lajos Toth
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Publication number: 20140251297Abstract: Device for the artificial aging of stones with at least an aging channel arranged on a support, a vibration device to set the support in motion, and a conveying device to move the stone through the aging channel. The aging channel has at least a first and a second impacting surface, which apply the aging effect to the stone.Type: ApplicationFiled: October 16, 2012Publication date: September 11, 2014Inventors: Hans Gebhart, Manfred Staehle
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Patent number: 8763599Abstract: An apparatus for splitting a plurality of masonry blocks is provided. The apparatus includes a plurality of first splitting blades that are configured to simultaneously move in a first direction, so as to split one of each of the plurality of masonry blocks into two or more sections during a single splitting operation. Each section has a first split surface. A plurality of second splitting blades is provided, where each is perpendicular and adjacent to one of the first splitting blades. Each of the second splitting blades is configured to form a second split surface on one of the masonry block sections that is perpendicular to at least one of the first split surfaces.Type: GrantFiled: October 18, 2006Date of Patent: July 1, 2014Assignee: Pavestone, LLCInventors: William Howard Karau, Joerg Marx
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Patent number: 8753755Abstract: A body, such as a pick tool for cutting coal, includes a steel substrate and a hard face structure fused to the steel substrate. The hard face structure includes at least 1 weight percent Si, at least 5 weight percent Cr and at least 40 weight percent W. Substantially the balance of the hard face structure includes carbon and an iron group metal M selected from Fe, Co, Ni and alloy combinations of these elements. The hard face structure includes a plurality of elongate or platelike micro-structures having a mean length of at least 1 micron, a plurality of nano-particles having a mean size of less than 200 nanometers, and a binder material.Type: GrantFiled: July 6, 2011Date of Patent: June 17, 2014Assignee: Element Six GmbHInventors: Igor Yuri Konyashin, Bernd Heinrich Ries, Frank Friedrich Lachmann, Kersten Heinrich Schafer
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Patent number: 8701650Abstract: A small, lightweight, portable cooking stove that utilizes alcohol as fuel and is suitable for backpacking, hunting, camping and similar activities. The cooking stove includes a combustion chamber which encloses, contains and regulates the entire combustion process. The stove also includes an efficient fuel vaporizer, which is adapted to perform in unison with the combustion chamber, to effect the metered and efficient mixing of the air and fuel vapor. An integral, simple and convenient means is provided to vary the intensity and pattern of the heat output, thereby controlling the cooking performance of the stove. The stove achieves high heat output and efficiency, low fuel consumption, and superior cooking performance in a small, lightweight, portable, convenient, simple and integrated assembly.Type: GrantFiled: September 2, 2009Date of Patent: April 22, 2014Inventor: Timothy Gregg Huggins
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Publication number: 20130125872Abstract: A body comprising a steel substrate and a hard face structure fused to the steel substrate, in which the hard face structure comprises at least 1 weight percent Si, at least 5 weight percent Cr and at least 40 weight percent W and substantially the balance of the hard face structure consisting essentially of an iron group metal M and C, M being selected from Fe, Co and Ni or an alloy thereof; the hard face structure including a plurality of elongate or platelike micro-structures having a mean length of at least 1 micron, a plurality of nano-particles having a mean size of less than 200 nanometres, and a binder material; the micro-structures comprising more than 1 weight percent Cr and a phase having the formula MxWyCz, where x is in the range from 1 to 7, y is in the range from 1 to 10 and z is in the range from 1 to 4; the nano-particles comprising more than 20 weight percent W, the metal M, and C; and the binder material comprising more than 3 weight percent W, more than 2 weight percent Cr, more than 0.Type: ApplicationFiled: July 6, 2011Publication date: May 23, 2013Inventors: Igor Yuri Konyashin, Bernd Heinrich Ries, Frank Friedrich Lachmann, Kersten Heinrich Schhafer
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Patent number: 8327833Abstract: A masonry block that is produced from a workpiece that is split in a block splitting assembly which uses any of a variety of projections to supplement or replace the action of the splitting blade in splitting and dressing the workpiece. The resulting masonry block has features that provide the masonry block with a weathered appearance.Type: GrantFiled: March 25, 2011Date of Patent: December 11, 2012Assignee: Anchor Wall Systems, Inc.Inventors: Ronald J. Scherer, David Matthew LaCroix, Michael J. Hogan, Glenn C. Bolles
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Publication number: 20120301238Abstract: A point chisel includes a substantially cylindrical shank and a working end region that tapers to a point. The working end region has at least three converging substantially planar surfaces, each with a protruding elongate rib extending along at least part of its length. Adjacent surfaces meet along at least part of their length at substantially straight edges between adjacent ribs. A flat chisel includes a substantially cylindrical shank and a working end region with a pair of converging substantially planar surfaces that include a plurality of protruding elongate ribs extending along at least part of its length. Each rib has, along the majority of its length, a substantially constant height above the surface from which it protrudes. Each chisel is made from steel, with the shank having a bainitic microstructure and the working end region having a martensitic microstructure.Type: ApplicationFiled: March 21, 2012Publication date: November 29, 2012Applicant: BLACK & DECKER INC.Inventors: Thomas J. Quinn, David N. Johnson, Florian Probst
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Patent number: 8251053Abstract: The invention relates to equipment and related methods for producing concrete blocks. The equipment and methods described herein utilize splitting assemblies having larger projections and/or smaller projections or peaks disposed on at least one side of a splitting line and which engage the workpiece as it is split into at least two pieces.Type: GrantFiled: December 14, 2010Date of Patent: August 28, 2012Assignee: Anchor Wall Systems, Inc.Inventor: Ronald J. Scherer
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Patent number: 8215415Abstract: A tool bit for a chisel or a hammer drill, in particular, a insertable chisel or insertable drill for power-driven drill and chisel hammers, has an insertion end, with a chisel shank or drill shank, and a chisel head or drill shank located opposite the insertion end. The diameter of the shank increases in the direction of the chisel head at least once from a first, small diameter to a second, large diameter and decreases again from this to a small diameter or forms at least one bead.Type: GrantFiled: July 8, 2002Date of Patent: July 10, 2012Assignees: Hawera Probst GmbH, Aresi S.P.A.Inventors: Marco Lang, Franc Koljaka, Friedmar Dresig, Thomas Bernhardt
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Patent number: 8136516Abstract: An apparatus for pitching and splitting a masonry block is provided. The apparatus includes a first pitching blade configured to move in a first direction. A second pitching blade is disposed adjacent to the first pitching blade, and the two pitching blades are separated by a distance that is small enough so that the splits initiated by each blade join into a single plane, thereby pitching and splitting the masonry block without the need for a splitting blade.Type: GrantFiled: August 2, 2010Date of Patent: March 20, 2012Assignee: Pavestone, LLCInventors: William Howard Karau, Joerg Marx, Tommy W. Davis
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Publication number: 20120060816Abstract: A rock breaking device employs a falling weight and a striker pin or other tool held within a tool holding structure supported by a recoil assembly includes a number of isolator structures that protect the rock breaking device by absorbing excess forces that may be applied to the recoil assembly. Each isolator structure includes a front plate that extends below a lower side of a recoil tube flange. In new rock breaking devices, the front plates may be incorporated as part of the isolator structures. Alternatively, an existing rock breaking device can be retrofitted by welding a heavy plate onto the front of an existing front plate of the isolator structures. The heavy plate extends beyond the lower side of the recoil tube flange to provide greater strength.Type: ApplicationFiled: November 21, 2011Publication date: March 15, 2012Inventor: Craig Nelson
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Publication number: 20110283985Abstract: The invention provides a demolition tool comprising a chisel and a bounce back element.Type: ApplicationFiled: May 20, 2010Publication date: November 24, 2011Inventor: Michael P. Valerio
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Patent number: 8061346Abstract: A brick cutter includes a base, a swing arm that has a handle portion, wherein the handle portion has one end pivotally connected to the base and an opposite end formed with a head so that the swing arm is capable of swinging relative to the base, and a chisel that has a cutting portion and a rod portion, wherein the rod portion is coupled with the head of the swing arm. Thereby, when a user holds the swing arm with one hand, and hammers the chisel with a hamper held in the other hand, the hammered chisel impacts a brick so as to cut the brick.Type: GrantFiled: March 11, 2009Date of Patent: November 22, 2011Inventor: Cheng-Hui Tseng
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Patent number: 8028688Abstract: An apparatus for splitting a concrete block and pitching at least one edge of the split concrete block is provided. The apparatus includes a splitting blade have a blade edge, such as a sharpened edge or a dull edge. The splitting blade is configured to move in a first direction so as to split a concrete block into two or more sections. The apparatus also includes a pitching blade having a blade edge, such as a sharpened and adjacent to the splitting blade, the pitching blade edge vertically offset from the splitting blade edge so as to pitch an edge of one of the sections of the concrete block after the concrete block has been split.Type: GrantFiled: October 18, 2006Date of Patent: October 4, 2011Assignee: Pavestone Company, LLCInventors: William Howard Karau, Joerg Marx
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Patent number: 8006683Abstract: A masonry block that is produced from a workpiece that is split in a block splitting assembly which uses any of a variety of projections to supplement or replace the action of the splitting blade in splitting and dressing the workpiece. The resulting masonry block has features that provide the masonry block with a weathered appearance.Type: GrantFiled: October 29, 2007Date of Patent: August 30, 2011Assignee: Anchor Wall Systems, Inc.Inventors: Ronald J. Scherer, David Matthew LaCroix, Michael J. Hogan, Glenn C. Bolles
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Patent number: 7980240Abstract: A breaking apparatus (1) including a movable mass (3) for impacting on a striker pin (4), a housing (2) and a striker pin (4) configured to partially protrude through the housing (2), the apparatus (1) characterized in that the striker pin (4) is configured to be beatable in a plurality of retaining locations relative to the housing (2).Type: GrantFiled: May 16, 2006Date of Patent: July 19, 2011Assignee: Terminator IP SAInventor: Angus Peter Robson
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Patent number: 7967001Abstract: A masonry block that is produced from a workpiece that is split in a block splitting assembly which uses any of a variety of projections to supplement or replace the action of the splitting blade in splitting and dressing the workpiece. The resulting masonry block has features that provide the masonry block with a weathered appearance.Type: GrantFiled: November 23, 2010Date of Patent: June 28, 2011Assignee: Anchor Wall Systems, Inc.Inventors: Ronald J. Scherer, David Matthew LaCroix, Michael J. Hogan, Glenn C. Bolles
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Patent number: 7954484Abstract: An apparatus for splitting stones and blocks comprises means (5A, 6A) for supporting a stone or block while it is subject to a splitting operation, a unit which includes an upper blade (1) for engaging an upper surface of the stone or block and a lower blade (10) for engaging a lower surface of the stone or block, means (5) for effecting movement of the upper blade (1) downwardly towards the lower blade (10), a base (1A, 3A), and resilient support means (11) acting between the base (1A, 3A) and the unit.Type: GrantFiled: August 14, 2006Date of Patent: June 7, 2011Inventor: Thomas Bartlett Snell
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Patent number: 7870853Abstract: The invention relates to equipment and related methods for producing concrete blocks. The equipment and methods described herein utilize splitting assemblies having larger projections and/or smaller projections or peaks disposed on at least one side of a splitting line and which engage the workpiece as it is split into at least two pieces.Type: GrantFiled: February 13, 2008Date of Patent: January 18, 2011Assignee: Anchor Wall Systems, Inc.Inventor: Ronald J. Scherer
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Patent number: 7766002Abstract: An apparatus for pitching and splitting a masonry block is provided. The apparatus includes a first pitching blade configured to move in a first direction. A second pitching blade is disposed adjacent to the first pitching blade, and the two pitching blades are separated by a distance that is small enough so that the splits initiated by each blade join into a single plane, thereby pitching and splitting the masonry block without the need for a splitting blade.Type: GrantFiled: October 18, 2006Date of Patent: August 3, 2010Assignee: Pavestone Company, L.P.Inventors: William Howard Karau, Joerg Marx, Tommy W. Davis
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Patent number: 7743761Abstract: A rock cutting and trimming device comprising a C-clamp, a hydraulic cylinder, a sleeve, a shaft, a top tooth, and a bottom tooth. The hydraulic cylinder is coupled to the shaft, the shaft fits inside of the sleeve, the sleeve is coupled to the top port of the C-clamp, the top tooth is coupled to the shaft, and the bottom tooth is coupled to the bottom port of the C-clamp. Each of the top and bottom teeth comprises a cutting edge, the cutting edge of the top tooth faces the cutting edge of the bottom tooth, the hydraulic cylinder causes the top tooth to move vertically upward and downward, and the cutting edges of the top and bottom teeth are vertically aligned so that when the top tooth is fully extended downward, the cutting edge of the top tooth is parallel to the cutting edge of the bottom tooth.Type: GrantFiled: August 20, 2008Date of Patent: June 29, 2010Assignee: Brill Investments, LLCInventors: Bradley C. Mercord, Irvin M. Wenzel, Mark James Halbur
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Patent number: 7674155Abstract: A process for artificially ageing blocks, in particular concrete blocks, vitrified bricks and natural stones, provides that the blocks are applied to an underlying surface. Essentially freely movable distressing bodies are applied to the surface to be worked of the blocks. The blocks and the distressing bodies are brought into movement in relation to one another by a vibrating motion of the underlying surface in such a way that the distressing bodies act on the surface and the adjoining, exposed edges of the blocks.Type: GrantFiled: July 2, 2008Date of Patent: March 9, 2010Assignee: Baustoffwerke Gebhart & Sohne GmbH & Co. KGInventors: Hans Gebhart, Martin Rothdach, Thomas Riedle, Hermann Sauter
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Patent number: 7648888Abstract: The invention relates to a method of splitting apart a substrate of two adjoining wafers defining between them a cleavage plane, by bringing each substrate into a substrate-receiving space; and clamping first and second jaw portions onto each substrate in such a manner as to hold each substrate and urge apart the two wafers of each substrate by co-operation between the shapes of housings in first and second portions of the two jaws, respectively. The invention also relates to a splitting method that includes bringing each substrate into a substrate-reception space; clamping together separator portions onto each substrate so as to split apart the two wafers of each substrate; and clamping the split-apart substrate wafers so as to hold the wafers together. An automated system for processing multiple substrates is also provided.Type: GrantFiled: January 24, 2006Date of Patent: January 19, 2010Assignee: S.O.I.Tec Silicon on Insulator TechnologiesInventors: Thierry Barge, Walter Schwarzenbach, Jean-Marc Waechter, Thuan Truong, Bruno Ghyselen
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Publication number: 20080302350Abstract: The invention provides a block splitter assembly comprising first lower and second upper opposed splitter blade assemblies. The splitter blade assemblies have a splitting blade and two or more first forming blades. One forming blade is disposed to the right of and one forming blade is disposed to the left of the first splitting blade. The forming blades have forming edges. The splitting blade has a splitting edge that is straight, and the splitting blade has a greater maximum vertical dimension than the maximum vertical dimension of the forming blades. The splitting edge of the first splitting blade is opposed to the splitting edge of the second splitting blade.Type: ApplicationFiled: June 5, 2008Publication date: December 11, 2008Applicant: KEYSTONE RETAINING WALL SYSTEMS, INC.Inventor: David M. LaCroix
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Patent number: 7428900Abstract: A masonry block that is produced from a workpiece that is split in a block splitting assembly which uses any of a variety of projections to supplement or replace the action of the splitting blade in splitting and dressing the workpiece. The resulting masonry block has features that provide the masonry block with a weathered appearance.Type: GrantFiled: July 28, 2005Date of Patent: September 30, 2008Assignee: Anchor Wall Systems, Inc.Inventor: Ronald J. Scherer
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Patent number: 7404755Abstract: A process for artificially ageing blocks, in particular concrete blocks, vitrified bricks and natural stones, provides that the blocks are applied to an underlying surface. Essentially freely movable distressing bodies are applied to the surface to be worked of the blocks. The blocks and the distressing bodies are brought into movement in relation to one another by a vibrating motion of the underlying surface in such a way that the distressing bodies act on the surface and the adjoining, exposed edges of the blocks.Type: GrantFiled: April 5, 2004Date of Patent: July 29, 2008Assignee: Baustoffwerke Gebhart & Sohne GmbH & Co. KGInventors: Hans Gebhart, Martin Rothdach, Thomas Riedle, Hermann Sauter
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Publication number: 20080141995Abstract: An apparatus and method for roughing the surface and edges of concrete casted blocks, such as concrete pavers is described herein. The apparatus comprises an elongated block-receiving surface having first and second longitudinal end portions and provided with block-tilting elements for sequentially tilting up at least two upper edges of a block moving on the surface from a first end portion to a second end portion; means for moving blocks on the block-receiving surface from the first to second end portions; and a plurality of impacting elements located above the block-receiving surface for reciprocating movement towards and away the block-receiving surface for impacting blocks on the block-receiving surface. The tilting elements may be in the form of wheels rotatably mounted to the block-receiving surface and positioned for sequentially tilting up each of the four upper edges of the block moving on the surface.Type: ApplicationFiled: February 3, 2005Publication date: June 19, 2008Applicant: Grubb-AMC Inc.Inventors: Wallace Grubb, Benoit Slavinski
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Patent number: 7377275Abstract: A device for precise cutting of imitation stone. An upper blade is mounted to an upper blade mount assembly for vertical sliding movement over a stationary lower blade. Downward movement of a handle rotates a cam surface that engages a convex upper surface of the upper blade mount assembly. This action moves the upper blade into contact with a piece of imitation stone disposed between the upper and lower blades, and further lowering of the upper blade then cuts the stone. The cutting edge of each of the blades is beveled on one side only such that each of the blade edges is asymmetrical in vertical cross-section.Type: GrantFiled: July 6, 2006Date of Patent: May 27, 2008Inventor: C. Martin Myer
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Patent number: 7308892Abstract: A method of forming at least one crack (11) in a concrete article such as a concrete slab (10) having at least one crack promoting groove (28) formed in the surface (25) thereof and/or at least one crack promoting insert (12) cast within the concrete slab (10) and substantially aligned with the groove (28) where used, the method comprising the steps of positioning a tool (24) having a force applying member (26) on or above the surface (25) of the concrete slab (10) such that the member (26) is positioned adjacent to or above a groove (28) and/or insert (12) and causing the tool (24) to apply through the member (26) a force to the concrete slab (10) to promote the formation of a crack or cracks (11) in the slab (10) along a groove (28) and/or insert (12). Apparatus for forming a crack in a concrete article is also disclosed.Type: GrantFiled: July 4, 2005Date of Patent: December 18, 2007Assignee: Concrete Slab Technology Pty LtdInventor: Allan David Cockerell
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Patent number: 7281537Abstract: Disclosed herein is a block-texture-modifying apparatus for modifying the surface texture of blocks. The apparatus comprises a support for supporting blocks thereon, a multi-station block-texture modifier for engaging blocks on the support, and a translational displacer for imparting translational displacement between blocks on the support and the multi-station block-texture-modifier. The multi-station block-texture modifier comprises a pressure-applying station for applying a sustained pressure to blocks engaged thereby, and an impacting station for applying interrupted impact on blocks engaged thereby. The multi-station block-texture modifier modifies the surface texture of blocks on said support during said translational displacement. Also disclosed herein is a method for modifying the surface texture of blocks.Type: GrantFiled: June 3, 2005Date of Patent: October 16, 2007Assignee: Rinox Inc.Inventor: Horacio Correia
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Patent number: 7243646Abstract: An apparatus (10) for shearing off reinforced concrete piles and metal piles, casing and conductor pipes, and crushing reinforced concrete piles has a frame (11) with first and second ends and a cutter blade (41) movably mounted on the frame driven by hydraulic rams (21) between a retracted position adjacent to the first end and an extended position toward the second end. An abutment gate (30) pivotally mounted and latched at the frame second end has vertically spaced first and second abutment surfaces (52A, 52B) and first and second horizontal shearing surfaces (53A, 53B) disposed in parallel vertically spaced relation defining an opening (51) therebetween through which the cutting edge (41B, 41C) of the blade passes. Removable crushing attachments (60A, 60B) allow crushing of concrete piles, and removable arcuate abutment attachments (54) accommodate cylindrical piles, casing and conductor pipes.Type: GrantFiled: March 4, 2005Date of Patent: July 17, 2007Inventor: James J. Todack
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Patent number: 7146974Abstract: A concrete block is produced from a workpiece that is split by a plurality of splitting assemblies, each of which comprises a multiplicity of peaks, for example alternating ridges and valleys. A splitting assembly is positioned to engage each of the top, bottom and side surfaces of the workpiece, whereby a block resulting from the splitting process an irregular front face and has a front face with irregular top, bottom and side edges. The resulting block can be a concrete masonry block that is laid up in a wall with other like blocks with mortar between the blocks, or any other concrete block product.Type: GrantFiled: September 13, 2004Date of Patent: December 12, 2006Assignee: Anchor Wall Systems, Inc.Inventor: Ronald J. Scherer
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Patent number: 7128639Abstract: A process for the artificial aging of stones, particularly concrete blocks, clinker blocks and natural stones, provides for the stones to be applied to a support. Impact units that move essentially freely are applied to the surface of the stones that is to be processed. The stones and the impact units are set in motion in relation to each other by vibration of the support in such a way that the impact units act on the surface and the adjacent, exposed edges of the stones.Type: GrantFiled: December 28, 2004Date of Patent: October 31, 2006Inventors: Thomas Riedle, Hermann Sauter
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Patent number: 7066167Abstract: A masonry block that is produced from a workpiece that is split in a block splitting assembly which uses any of a variety of projections to supplement or replace the action of the splitting blade in splitting and dressing the workpiece. The resulting masonry block has features that provide the masonry block with a weathered appearance.Type: GrantFiled: January 6, 2005Date of Patent: June 27, 2006Assignee: Anchor Wall Systems, Inc.Inventors: Ronald J. Scherer, David Matthew LaCroix, Michael J. Hogan
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Patent number: 7017570Abstract: The invention provides an apparatus for splitting a substrate apart, the substrate comprising two adjoining wafers defining between them a cleavage plane, the apparatus being characterized in that it comprises: means for feeding splitter means with a plurality of substrates disposed in a substrate-storage direction; splitter means for splitting apart wafers of the substrates, the splitter means comprising moving jaws; and means for performing controlled displacement of certain substrate wafers after they have been split apart in a direction that is substantially parallel to the substrate-storage direction, whereby the apparatus is suitable for splitting apart the plurality of substrates. The invention also provides an associated splitting method.Type: GrantFiled: February 9, 2004Date of Patent: March 28, 2006Assignee: S.O.I.Tec Silicon on Insulator Technologies S.A.Inventors: Thierry Barge, Walter Schwarzenbach, Jean-Marc Waechter, Thuan Truong, Bruno Ghyselen
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Patent number: 7004158Abstract: A masonry block that is produced from a workpiece that is split in a block splitting assembly which uses engagement surfaces that are enhanced with, for example, alternating ridges and valleys, preferably in combination with workpiece-engaging projections, to supplement or replace the action of the splitting blade in splitting and dressing the workpiece.Type: GrantFiled: February 14, 2005Date of Patent: February 28, 2006Assignee: Anchor Wall Systems, Inc.Inventors: Ronald J. Scherer, David Matthew LaCroix, Glenn C. Bolles
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Patent number: 6981496Abstract: A point chisel for use with a power tool includes an elongate stem (1) having, at its power tool side a shank (2) for securing the chisel in the power tool and, at its workpiece side, a useful region (3) having its outer diameter (H) tapering toward its workpiece end and having a cross-section (5) formed as a concave polygon by a plurality of axial grooves (4) extending radially toward a core diameter (K) that likewise tapers toward the workpiece side end of the useful region (3).Type: GrantFiled: September 23, 2003Date of Patent: January 3, 2006Assignee: Hilti AktiengesellschaftInventors: Jozsef Szendrovari, Werner Britten, Jozsef Varga
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Patent number: 6964272Abstract: The invention relates to equipment and related methods for producing concrete blocks. The equipment and methods described herein utilize splitting assemblies having larger projections and/or smaller projections or peaks disposed on at least one side of a splitting line and which engage the workpiece as it is split into at least two pieces.Type: GrantFiled: April 2, 2004Date of Patent: November 15, 2005Assignee: Anchor Wall Systems, Inc.Inventor: Ronald J. Scherer
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Patent number: 6948489Abstract: A rock cutter for splitting stones is disclosed which shows a support surface for holding the rock and a first blade and a second blade which may be positioned to hold the rock between the first and second blades and on the support surface along with a means for moving the first blade towards the second blade. The means for moving comprises a hydraulically driven piston having a piston arm to which the first blade is mounted. The rock cutter also has a cover which is used in conjunction with a means for receiving pieces of the rock after the rock is split.Type: GrantFiled: February 17, 2004Date of Patent: September 27, 2005Inventor: Roy G. O'Neal
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Patent number: 6918715Abstract: A masonry block that is produced from a workpiece that is split in a block splitting assembly which uses any of a variety of projections to supplement or replace the action of the splitting blade in splitting and dressing the workpiece. The resulting masonry block has features that provide the masonry block with a weathered appearance.Type: GrantFiled: June 19, 2001Date of Patent: July 19, 2005Assignee: Anchor Wall Systems, Inc.Inventors: Ronald J. Scherer, David Matthew LaCroix, Michael J. Hogan, Glenn C. Bolles
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Patent number: 6910474Abstract: A block splitting assembly and method which uses any of a variety of projections to supplement or replace the action of the splitting blade in splitting and dressing concrete or masonry block. A gripper assembly holds the block during splitting.Type: GrantFiled: October 19, 2000Date of Patent: June 28, 2005Assignee: Anchor Wall Systems, Inc.Inventor: Ronald James Scherer