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| Number | Title | Issue Date |
| 8020799 | Hydraulic crusher A hydraulic crusher includes crushing arms, a crusher body having a hollow portion extending in the longitudinal direction, and hydraulic cylinders. The hydraulic crusher includes four first hydraulic hoses which have proximal caps connected to ports of the crusher ... | 09/20/2011 |
| 7971816 | Crushing apparatus for demolition or similar works A crushing apparatus for demolition works includes a main body having a connecting portion intended to be connected to the end of a handling arm, and at least a swingable jaw articulated to the main body at a distal portion with respect to the connecting portion, wh... | 07/05/2011 |
| 7810748 | Scrapping machine The present invention provides a multi-purpose scrapping machine suitable for the scrapping work for not only discarded automobiles but also various kinds of wastes such as construction wastes and piping wastes. The scrapping machine is equipped with a hydraulic-act... | 10/12/2010 |
| 7578461 | Lubricating system for material-processing shears A lubricating system for a heavy-duty material processing shears provides lubricant to one of more wear surfaces on one or more wear portions in the shears. The system includes a hydraulic lubricant pump that is actuated by the main hydraulic control system by means... | 08/25/2009 |
| 7487930 | Lubricating system for metal-demolition shears A lubricating system for a heavy-duty metal demolition shears provides lubricant to one of more wear surfaces on one or more wear portions in the shears. The system includes a hydraulic lubricant pump that is actuated by the main hydraulic control system by means of... | 02/10/2009 |
| 7354010 | Single jaw set multiple tool attachment system A multiple tool attachment system (10) for demolition equipment includes an adapter (12) and a universal body (18) coupled to the adapter with a pair of pivotable jaws (22) pivotally attached to the universal body. Each of the jaws includ... | 04/08/2008 |
| 7306177 | Cutting or crushing implement A cutting implement (1) includes a plurality of sets of jaws (3) which cut a single length of material at a plurality of separate positions along the length of the material. A single actuation of the implement (1) causes each of the jaws (3 | 12/11/2007 |
| 7284720 | Multiple tool attachment system with universal body A multiple tool attachment system is adapted to be attached to demolition equipment. The system includes a universal body attached to the demolition equipment. A series of tools is independently attachable to the universal body. The universal body includes a guide s... | 10/23/2007 |
| 7284718 | Excavator demolition attachment with interchangeable jaw assemblies A heavy-duty demolition apparatus for attachment to the boom structure of an excavator, the apparatus having interchangeable jaw sets. The apparatus includes a unitary jaw assembly, having a pair of pivoting jaws connected by a main pivot pin; a first adaptor on the... | 10/23/2007 |
| 7255295 | Multiple tool attachment system with rotational coupling A multiple tool attachment system is adapted to be attached to demolition equipment. The system includes a universal body attached to the demolition equipment. A series of tools is independently attachable to the universal body. The universal body includes a guide s... | 08/14/2007 |
| 7240869 | Lubricating system for metal-demolition shears A lubricating system for a heavy-duty metal demolition shears provides lubricating lubricant to one of more wear parts. The system includes a hydraulic lubricant pump that is actuated by the main hydraulic control system that opens and closes the jaws of the shears.... | 07/10/2007 |
| 7237738 | Demolishing and cutting machine A demolition cutter which can smoothly cut an object while eliminating the possibility of any gap being formed between mating surfaces having cutting edges. The cutter includes an arm pin 8 extending between a pair of side plates 6 of a movable bracket... | 07/03/2007 |
| 7234659 | Pulverizer An automatically swiveling crushing apparatus has a swiveling motor in a bracket, and branches diverged from charging and discharging paths that constitute the hydraulic piping leading to a cylinder for closing or opening distal crushing arms. One of the branches ex... | 06/26/2007 |
| 7222807 | Bucket for crushing and screening stone A bucket for crushing and screening stone and similar materials. The bucket has a scoop-shaped body defining an inlet opening for the stone to be crushed and an outlet opening for the crushed stone, between which a direction of flow of the stone is defined. The buck... | 05/29/2007 |
| 7121489 | Multiple tool attachment system A multiple tool attachment system is adapted to be attached to demolition equipment. The system includes a universal body attached to the demolition equipment. A series of tools are independently attachable to the universal body. The universal body includes a guide ... | 10/17/2006 |
| 7108211 | Multiple tool attachment system A multiple attachment system is adapted to be attached to demolition equipment. The system includes a universal body attached to the demolition equipment. A series of tools is independently attached to the universal body. The universal body includes a guide slot ext... | 09/19/2006 |
| 7086620 | Aluminum shearing apparatus The present invention relates to a shearing apparatus for shearing aluminum including one cutting edge unit rotatably attached to an upper portion of a frame and a second cutting edge unit being opposed to the one cutting edge unit and being rotatably attached to a ... | 08/08/2006 |
| 6994284 | Multiple tool attachment system A multiple attachment system is adapted to be attached to demolition equipment. The system includes a universal body attached to the demolition equipment. A series of tools is independently attached to the universal body. The universal body includes a guide slot ext... | 02/07/2006 |
| 6926217 | Heavy-duty demolition apparatus with replaceable tip and rotatable cross blade A heavy-duty demolition shear for attachment to the boom structure and hydraulic system of an excavator, has a rigid lower jaw and an upper jaw and pivot interconnecting the jaws together. The shear is attachable to the boom structure of the excavator. The upper jaw... | 08/09/2005 |
| 6839969 | Replaceable demolition shear piercing tip A heavy-duty demolition shear with a replaceable shearing tip has a lower jaw and an upper jaw piviotally connected to the lower jaw. The upper jaw has primary and secondary shear blades. A replaceable shearing tip is mounted to the upper jaw. The replaceable sheari... | 01/11/2005 |
| 6766973 | Concrete crushing grappler Concrete-crushing pincers comprise a first pincer jaw and a second pincer jaw which are swivelingly connected to one another via a joint and which are movable from an open position into a closed position for demolishing a concrete structural member reinforced with r... | 07/27/2004 |
| 6568615 | Hydraulic breaker The breaker comprises two breaker jaws (17, 19) adapted to be opened and closed hydraulically, with which building parts, concrete parts, brick walls and the like may be clamped. A hydraulic pulse hammer device (25) is mounted to at least one breaker leg ... | 05/27/2003 |
| 6564836 | Apparatus for excavating and crushing tree stumps The present invention provides an apparatus that lifts, secures, splits and/or crushes tree stumps or other materials, particularly wooden materials and other materials that may be present at an excavation site. The apparatus is characterized in part by a... | 05/20/2003 |
| 6524442 | Apparatus for forming and metering fluff pulp An apparatus for fiberizing bales of pulp into substantially dry fibers and fiber aggregates. One embodiment includes: a bale support member for supporting a bale of pulp, the bale support member defining two openings; two rotatable fiberizing assemblies ... | 02/25/2003 |
| 6298560 | Shear assembly A shear assembly including a bracket unit detachably to an excavator is provided. The shear assembly includes a main body rotatably attached to a bracket unit, a rotating unit disposed between the main body and the bracket unit to rotate main body around ... | 10/09/2001 |
| 6129298 | Concrete pulverizer with adjustable ripping element A construction vehicle attachment in the form of a pulverizer-ripper unit that includes a pair of jaws confronting and closing on one another and an independent ripper-shank that has a replaceable ripper-tooth. Each jaw includes teeth that serve to engage... | 10/10/2000 |
| 6119970 | Heavy-duty demolition apparatus with replaceable crushing and shearing tip A heavy-duty shearing and crushing demolition apparatus for attachment to a boom structure and hydraulic system of an excavator. The apparatus includes a lower jaw with a primary blade, an upper jaw with primary and secondary blades oblique with respect t... | 09/19/2000 |
| 6076572 | Apparatus for excavating and crushing tree stumps The present invention provides an apparatus that lifts, secures, splits and/or crushes tree stumps or other materials, particularly wooden or metal materials and other materials that may be present at an excavation site. The apparatus is characterized in ... | 06/20/2000 |
| 6061911 | Heavy-duty demolition apparatus with blade stabilizing device A blade stabilizer device for a heavy-duty material handling demolition tool for shearing and crushing scrap material which includes a lower jaw connected to the boom structure of a hydraulic system of an excavator and has an upper jaw pivotally connected... | 05/16/2000 |
| 6047475 | Mounting for a construction shear A demolition shear is attachable to a mobile machine by one of two brackets. The brackets engage, alternatively, two of three pairs of mounting holes on the shear so the shear can be mounted at its proximal end to the stick or at its side to the boom of t... | 04/11/2000 |
| 6015108 | Crusher A crusher which is simple in structure and capable of dismantling a building structure and recovering iron material from among dismantled remains of a building. A movable jaw is provided so as to be opened and closed relative to a fixed jaw fixed to the c... | 01/18/2000 |
| 5992023 | Shear with interchangeable wear parts A demolition shear has a pair of pivotably movable elongated jaws each having a pivot portion and an elongated jaw portion extending therefrom. The lower jaw portion has a cutter side wall, a guide side wall and an outer end wall, and the cutter side wall... | 11/30/1999 |
| 5894666 | Cutting and piercing tips for a metal cutting shear One jaw of a heavy duty shear having relatively pivotal jaws is provided with piercing and cutting tip blades which provide linear cutting edges extending transverse to the pivot axis of the jaws and piercing edges extending parallel to the pivot axis. Ea... | 04/20/1999 |
| 5873168 | Shear knife with blade insert A two-piece shear knife replaces a conventional one-piece shear knife for use in a power shear. The two-piece knife includes a main body with a cutout formed by first and second inner surfaces. A blade insert with a single cutting edge is seated in the cu... | 02/23/1999 |
| 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 |
| 5769341 | Stabilized crushing device A cutting/crushing device for the demolition of buildings has a pair of jaws that pivot on frame. The jaws are constrained to pivot in synchrony because each jaw remains engaged with a guide pin which substantially prevents relative movement of the two ja... | 06/23/1998 |
| 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 |
| 5738289 | Crusher A crusher capable of effectively crushing a building structure, shearing iron reinforcing rods, etc., smashing the crushed scraps into pieces, and collecting and carrying an elongated object. A pair of arms (2a, 2b) are driven to open and close for crushi... | 04/14/1998 |
| 5715603 | Device for cutting metals or concrete A cutting device, particularly for cutting metals or concrete, is mounted at the end of a working arm (1) of a mobile machine. The device comprises on the one hand an assembly (2) adapted to be secured to the working arm (1) and, on the other hand, a comp... | 02/10/1998 |
| 5704560 | Concrete crusher with cutting shears A concrete crusher has cutting shears with a first cutting arm forming an additional arm on one of the jaws of the breaker tongs and a second cutting arm rigidly joined to the frame of the concrete crusher. An hydraulic piston/cylinder unit drives the jaw... | 01/06/1998 |
