Abstract: A jaw crusher includes a stationary crusher jaw and a movable crusher jaw between which a crushing chamber and a crushing gap are formed. The movable crusher jaw can be driven by a crusher drive to generate a crushing motion. An overload protection mechanism includes a control unit, which, in the event of an overload, causes the crusher jaws to move relative to one another in such a way that the crushing gap is enlarged. An actuator unit is driven by the kinetic energy of a driven component of the jaw crusher, in particular the flywheels or the crusher drive driving the flywheels and the movable crusher jaw. At least one actuator is acted upon by the actuator unit using a transfer medium to effect the gap adjustment.

Abstract: A tramp iron relief system for a crusher. The preferred system includes a tramp iron relief cylinder, a relief valve adapted to open when oil pressure within said tramp iron relief cylinder exceeds a pre-designated limit, a tramp iron relief cylinder manifold block that is adapted to control the flow of oil into and out of the tramp iron relief cylinder, a tension cylinder, a tension cylinder manifold block adapted to control the flow of oil into and out of the tension cylinder, a tank line accumulator, and a hydraulic line to convey oil between the tank line accumulator, the tramp iron relief cylinder, and the tension cylinder. A method for controlling the movement of the tramp iron relief cylinder including reducing the pressure in the rod end of the tramp iron relief cylinder during normal operations of the crusher.

Abstract: A method is described for adjusting the tightness of a wear part fastened to a fixed jaw and/or a moving jaw of a jaw crusher with a tightening device that has a screw fastened at its first end in connection with a wear part located on a first side of the jaw; and a tightening member fastened to a second end of the screw on a second side of the jaw; and a spring arranged between the jaw and the tightening member. The spring is compressed or decompressed with the tightening member; the spring is influenced by at least two moving screws supported by a frame of the tightening member. The length of the spring is changed by rotating the at least two moving screws.

Abstract: A hydraulic system for controlling the position of a movable jaw of a jaw crusher includes a hydraulic cylinder having a piston with a piston rod for positioning the movable jaw. The hydraulic cylinder has a bore side space for containing a hydraulic fluid taking up crushing forces exerted by the movable jaw on the piston rod, and an annular side space containing a hydraulic fluid pressing the piston against hydraulic fluid of the bore side space. The hydraulic system further includes an annular side space accumulator having a fluid compartment, which is in fluid contact with the annular side space, and a gas compartment containing a pressurized gas applying a pressure on the hydraulic fluid in the annular side space.

Abstract: A crusher is provided having improved wear resistance and crushing capacity. Particularly, the crusher provides an improved mechanism for adjusting the closed side setting by acting on an adjustable jaw, rather than the moveable jaw. The crusher includes a moveable jaw, an adjustable jaw, and a frame that supports the adjustable jaw and the moveable jaw such that the adjustable jaw and the moveable jaw define a crushing chamber having an upper opening for receiving a material to be crushed and a lower opening for expelling crushed material from the chamber after crushing. The crusher also includes a drive mechanism coupled to the moveable jaw for directing reciprocating motion of the moveable jaw and an adjustment mechanism coupled to the adjustable jaw for altering an angle of the adjustable jaw and, thereby, altering a closed side setting of the crushing chamber.

Abstract: A mineral material processing plant includes a frame having two or more upper support surfaces and a jaw crusher including a crusher body having at least two bottom support surfaces at a distance from each other. The processing plant further includes at least one damper to be arranged in between the bottom and upper support surfaces which damper includes a first counter surface for the bottom support surface and a second counter surface for the upper support surface and an elastic material layer between the counter surfaces and preferably a slide joint between the first counter surface and the bottom or upper support surface. A method for damping a jaw crusher in a mineral material processing plant is also disclosed.

Abstract: A jaw assembly for a demolition tool is disclosed. The jaw assembly comprises at least one first coupling portion and at least one second coupling portion disposed on a first jaw. The first coupling portion comprises an intermediate contact member and side contact members laterally extending from opposite sides of the intermediate contact member. A wear plate comprises a body element saddling the intermediate contact member, a pair of spaced apart first engagement elements extending from an end of the body, and a pair of spaced apart second engagement elements extending from an opposite end for engaging the side contact members. An active module is removably coupled to the second coupling portion and comprises a body member and a pair of braces disposed on opposite sides of the body member, wherein a brace extends over the second coupling elements. The wear plate may be replaced when worn out.

Abstract: A jaw assembly for a demolition tool is disclosed. The jaw assembly may have a support portion centrally disposed on a second jaw. The support portion may have a first contact surface and an aperture disposed thereon. A work plate may be mounted on the support portion and may have a plate member in abutting contact with the support portion. The work plate may also have a tooth member and a boss extending in a direction opposite to the tooth member. The boss may be engaged to the aperture. The jaw assembly may have a pair of seating portions disposed on the second jaw, each seating portion having a slot. The jaw assembly may also have a work module mounted in each seating portion. The work module may have a base, a tooth, and a mounting element extending in a direction opposite to the tooth and engaging the seating portion.

Abstract: A crusher is provided having improved wear resistance and crushing capacity. Particularly, the crusher provides an improved mechanism for adjusting the closed side setting by acting on an adjustable jaw, rather than the moveable jaw. The crusher includes a moveable jaw, an adjustable jaw, and a frame that supports the adjustable jaw and the moveable jaw such that the adjustable jaw and the moveable jaw define a crushing chamber having an upper opening for receiving a material to be crushed and a lower opening for expelling crushed material from the chamber after crushing. The crusher also includes a drive mechanism coupled to the moveable jaw for directing reciprocating motion of the moveable jaw and an adjustment mechanism coupled to the adjustable jaw for altering an angle of the adjustable jaw and, thereby, altering a closed side setting of the crushing chamber.

Abstract: An apparatus for shearing and breaking nonferrous castings of the present invention includes a first cutter unit and a second cutter unit disposed in a frame. Each of the first cutter unit and the second cutter unit includes at least an intermediate cutter unit located at the intermediate stage and a lower cutter unit located at the lower stage. Each of the intermediate cutter units is a multi-vertex cutter part formed into a multi-vertex shape by rhombic cutting edges and crucial cutting edges connected to the respective intersections of diagonals of the rhombic cutting edges. The lower cutter units respectively have a concave cutting edge and a convex cutting edge which are engaged with a gap being formed therebetween.

Abstract: A demolition apparatus and an adapter frame of the demolition apparatus are disclosed. The adapter frame may be formed with coupling seats which engage pins on a jaw set to assemble the demolition apparatus. The openings of the coupling seats face different directions for quick and simple assembly of the demolition apparatus. A rotatable locking element may be provided on the adapter frame to lock a pin on the jaw set.

Abstract: The present invention relates to a separating device for crushing concrete. The separating device comprises at least two crusher members which, optionally in co-action with bounding elements situated adjacently of the at least two crusher members, define at their upper outer ends an inlet opening for concrete to be crushed and at their lower outer ends an outlet opening for crushed concrete or at least concrete fractions. The separating device further comprises a drive device adapted to move repetitively at least a part of one of the two crusher members in the direction away from and toward the other crusher member. Outlet restriction means are provided under the outlet opening to limit an outflow of crushed concrete and/or concrete fractions. The invention further relates to a method for crushing and separating a composite material, in particular concrete, into original components.

Abstract: A front end of a frame of a jaw crusher comprises a curved front wall for receiving crushing force. The front end comprises an inner rib structure formed to the curved front wall. A jaw crusher and a crushing plant.

Abstract: A mineral material processing plant includes a frame having two or more upper support surfaces and a jaw crusher including a crusher body having at least two bottom support surfaces at a distance from each other. The processing plant further includes at least one damper to be arranged in between the bottom and upper support surfaces which damper includes a first counter surface for the bottom support surface and a second counter surface for the upper support surface and an elastic material layer between the counter surfaces and preferably a slide joint between the first counter surface and the bottom or upper support surface. A method for damping a jaw crusher in a mineral material processing plant is also disclosed.

Abstract: A pitman of a jaw crusher has an upper part, which includes an upper supporting point for supporting the pitman in the body of the jaw crusher, and a lower part having a lower supporting point for supporting the pitman in the body of the jaw crusher through a toggle plate. The lower part of the pitman includes sidewalls and honeycomb structure open to the crushing direction, which structure has one or more cross-sectional supports reaching from the first sidewall of the pitman to the second sidewall.

Abstract: A multi-functional pair of crushing plates capable of self-trimming is disclosed. The pair of crushing plates includes a fixed jaw plate (5) and a movable jaw plate (4). The fixed jaw plate (5) and the movable jaw plate (4) both have base boards (11). The base board (11) has a plurality of tooth peaks (12) and tooth troughs (13). The tooth peaks (12) and the tooth troughs (13) on the fixed jaw plate (5) and the movable jaw plate (4) are arranged oppositely and intersectedly. The tooth troughs (13) have holes (14) perforated through the base boards (11). The holes (14) are arranged in columns along a direction of a length of the tooth peak (12) on the base board (11) opposite to the holes (14).

Abstract: A chip discharge chute having a flexible chute main section having an upstream end connectable from a chipping machine output, a main section elevation mechanism connected to the downstream end of the chute main section for controlling a height of the downstream end of the flexible main section with respect to a chip receiving area, and a chute deflector section pivotably connected to the downstream end of the flexible main section for receiving chips from the downstream end of the chute main section and a downstream end with a downwardly directed ejection opening for discharging chips into the chip receiving area.

Abstract: A jaw crusher is described, comprising a crushing chamber (2) between a fixed jaw (3) and a swing jaw (4), and an eccentric drive (7) for the swing jaw (4) which is supported at the end of the swing jaw opposite the eccentric drive (7) on a rocker plate (8) whose counter-bearing (10) arranged as a cross-member (9) is supported on its part on a hydraulic overload protection mechanism (12). In order to provide advantageous constructional conditions it is proposed that the cross-member (9) which forms the counter-bearing (10) for the rocker plate (8) is retained in lateral rocker arms (11) held coaxially to the eccentric shaft (6) of the eccentric drive (7), with the lever axis (15) of the rocker plate (8) enclosing an acute angle ? with a radial line (16) to the eccentric shaft (6) passing through the counter-bearing (10) of the rocker plate in a projection in the direction of the eccentric shaft (6).

Abstract: The present invention relates to the field of rock crushers, in particular, rock crusher attachments for earth moving equipment or the like. The rock crusher attachment includes a front bucket portion configured for scooping rocks to be crushed and a rear crusher portion connected to and in communication with the rear of the bucket portion. The crusher portion includes a housing and a crushing assembly accommodated within the housing. The housing including a pair of spaced apart side panels. The crushing assembly has a lower jaw fixed between the side panels of the housing and an upper movable jaw mounted opposite and spaced apart from the lower jaw. The upper movable jaw assembly includes a support, an upper jaw plate attached to the underside of the support and a jaw-actuating drive assembly operable to urge the upper movable jaw assembly to move between an open jaw setting and a closed jaw setting. The support is pivotally connected between the side panels adjacent the front of the housing.

Abstract: A tool support base and a tool post for cutting a casting, in which contact surfaces in sliding contact with both side plates are formed on both sides of the tool support base and the tool post. A cut recess is formed in the sliding contact surface so as to vertically extend in the surface. Deposit welding is applied to the cut recess and a ridge of weld deposit generally flush with the contact surface is formed by grinding means that makes the weld deposit, formed by the deposit welding, flush with the contact surface. The construction minimizes wear of the contact surface as much as possible, and even if particles of casting waste materials enter gaps between the tool support base and the tool post and the side plates, the construction can avoid wear by such particles.

Abstract: A blade set associated with jaws for demolition equipment used to break railroad rails includes a bottom blade associated with a bottom jaw and a top blade associated with a top jaw, wherein the bottom jaw and the top jaw are rotatable relative to one another. The bottom blade includes two spaced-apart support rails separated by a cavity, while the top blade includes a single raised knife rail positioned and central to the cavity and rotatable toward the cavity. The top blade additionally may be marked with indicia, such as red paint, such that the machine operator may properly orient the top blade during a cutting operation to maximize safety. Additionally, the recesses may also be aligned and sized to engage the head and the foot of a rail such that tension and/or a bending moment is introduced between the head and foot of the rail.

Abstract: 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 slot extending longitudinally along the universal body. Each tool generally includes a pair of pivotable jaws adapted to be pivotably attached to the universal body with at least one linkage extending from the universal body and attachable to each jaw of the tool. When the tool is a shear, one blade has a slot which accepts the other blade and provides blade relief along the cutting inserts. Additionally, one blade has a hook shape to draw material toward the throat of the jaws.

Abstract: The present invention relates to the field of rock crushers, in particular, rock crusher attachments for earth moving equipment or the like. The rock crusher attachment includes a front bucket portion configured for scooping rocks to be crushed and a rear crusher portion connected to and in communication with the rear of the bucket portion. The crusher portion includes a housing and a crushing assembly accommodated within the housing. The housing including a pair of spaced apart side panels. The crushing assembly has a lower jaw fixed between the side panels of the housing and an upper movable jaw mounted opposite and spaced apart from the lower jaw. The upper movable jaw assembly includes a support, an upper jaw plate attached to the underside of the support and a jaw-actuating drive assembly operable to urge the upper movable jaw assembly to move between an open jaw setting and a closed jaw setting. The support is pivotally connected between the side panels adjacent the front of the housing.

Abstract: A mobile crusher includes: a crusher having a fixed jaw and a swing jaw and adjusting an outlet gap between lower ends of the fixed jaw and the swing jaw, the crusher crushing raw materials by swing movement of the swing jaw toward the fixed jaw and discharging the raw materials crushed by the crusher from the outlet gap to produce crushed materials; a work implement disposed on an upper stream or a lower stream of the crusher to produce the crushed materials; and a controller that controls a work implement speed of the work implement depending on the outlet gap.

Abstract: A heavy duty, configurable shear/crusher demolition tool has an upper jaw, a lower jaw, and a pivot group connecting the upper jaw and the lower jaw; a configurable number of tooth holders mounted on the upper jaw and the lower jaw; a configurable number of teeth removably mounted to the tooth holders; a configurable number of shear blade holders mounted on the upper jaw and the lower jaw; and a configurable number of shear blades removably mounted to the shear blade holders.

Abstract: In a background art, one side and other side tool apparatus (casting breaking apparatus) upper and lower faces of which are opened are constituted by one side and other side tool support bases, one side and other side tool posts provided at the one side and the other side tool support bases, a number of pieces of one side and other side tools in a ridge shape projected from the one side and the other side tool posts respectively in a zigzag shape and brought into a fitting relationship, and movable means (cylinder) for making the other side tool post movable, and characterized in that sliding faces provided at both sides of the other side tool support base and/or the other side tool post are advanced and retreated along an inner face of a side plate.

Abstract: A jaw assembly for a jaw crusher is disclosed where the assembly comprises a jaw stock (12), a wear plate (16), and a fastening device in the form of a bolt (34) with a square head (42) at one end and a washer (56) and fastening nut (52) positioned at an end opposite to the one end. The bolt (34) extends between the jaw stock (12) and the wear plate (16). The fastening device (34, 42, 56, 52) is operative to adopt a clamped configuration where the device provides a clamping force along a fastening axis to clamp the wear plate (16) at the jaw stock (12), and a released configuration where the fastening device does not prevent the wear plate (16) from being separated from the jaw stock (12). The fastening device (34, 42, 56, 52) is accessible from a direction that is transverse to that fastening axis, to enable the device (34, 42, 56, 52) to be changed from its clamped configuration to its released configuration.

Abstract: A jaw crusher includes a machine with a moving base, a fixed base, a crush travel adjusting mechanism for pivotally coupling the top of a crush travel adjusting base to the machine by an eccentric sleeve, and an automatic crush gap adjusting mechanism. A toggle plate is installed between the crush travel adjusting base and the moving base. A pull rod of the moving base having a compression spring tightly presses front and rear ends of the toggle plate. The automatic crush gap adjusting mechanism fixes a steel slot of a stop plate and a pair of triangular wedge-shaped lumps to the position adjusting base of the machine, and the stop plate is installed between the steel slot and the crush travel adjusting base, and a pull rod of the adjusting base having a compression spring tightly presses both front and rear ends of the stop plate.

Abstract: A credit card shredding device for use in automated teller machines (ATMs) that can cut stolen bank cards into crosscut pieces.

Abstract: A crashing or cutting device comprising a body (6), crushing/cutting jaws (1) making, rotation and attached to the body by means of one or several shafts (5), a first power unit (3) to move said jaws against each other, whereby at least one shaft (5) of jaw (1) is fitted with bearings to rotate in regard both to body (6) and jaw (1) and the said bearings are eccentric among themselves and the device has a second power unit (4) in order to rotate at least one said shaft (5). The second power unit (4) is fitted to press jaws (1) against each other in multiplying the motive force of the second power unit (4) between eccentricity distance (e) of the bearings and by means of a torsion arm longer than said eccentricity distance (e) connected to the shaft, in a situation, where shaft (5) is rotated 180° at the most, and when the first power unit (3) is hydraulically locked or in a position pressing the jaws against each other.

Abstract: In a jaw crusher, cheek plates are mounted on side wall plates of a crusher frame by mounting bolts, and the mounting bolt adjacent to the outlet of the jaw crusher can be covered with the swing jaw by adjustment of an outlet gap-adjusting link mechanism. When the jaw crusher is in operation, the mounting bolt is covered by the swing jaw to avoid contact with raw materials, so that abrasion of and damages to the mounting bolt can be prevented. Thus, a longer lifetime of the jaw crusher can be promoted. Besides, since abrasion of and damages to the mounting bolt can be prevented, a mounting structure of the cheek plate can be stronger.

Abstract: The present invention provides a runner crushing device which is capable of breaking runners of complicated shape, with no broken runners sticking to its blades, and which has an advantageous effect that broken runners can be completely recovered. The device is constituted of a receiving blade and a hydraulically operated pushing blade. The receiving blade includes a plurality of plate-like longitudinal receiving blades having a predetermined height, and a plurality of transverse receiving blades each disposed between adjacent plate-like longitudinal receiving blades in a substantially orthogonal relationship thereto. The pushing blade includes cross-shaped pushing blade single bodies having a predetermined height juxtaposed in a plurality of rows, with each pushing blade single body being capable of entering a blade space defined between the longitudinal receiving blades and the transverse receiving blades in the receiving blade.

Abstract: The invention relates to a device for the alignment and location of a sample (7), such as pills or tablets, for carrying out a further method step, such as a hardness test, with the aid of two opposing jaws (2, 3, 21), which may be moved relative to each other, the movable compression jaw (2) of which displaces the sample (7) along a guide track on to the fixed counter-jaw (3, 21), in order to begin the further method step with the sample (7). The forward movement of the movable compressing jaw (2), along with the sample (7) towards the fixed counter-jaw (3, 21) is continuously interrupted, the compressing jaw (2) being drawn backwards and driven forwards, such that the sample oscillates about the rest position thereof and then the compressing jaw (2) continues the movement towards the counter-jaw (3, 21) until the sample (7) reaches said counter-jaw (21).

Abstract: A jaw crusher (10) includes a fixed jaw (16) and a swing jaw (18), which define a crushing chamber (26). The swing jaw (18) is mounted for cyclic movement in the direction of the fixed jaw (16), for crushing material between the two jaws. A cross beam (42) is adjustably received in apertures (40) provided in the walls (12, 14) of the frame (11). A toggle plate (54) is operatively arranged between the rear of the swing jaw (18) and the front of the cross beam (42). An hydraulic cylinder arrangement (60) includes a pair of cylinders mounted one on either side of the frame (11) in a respective aperture (40), in operative engagement with the rear of the cross beam (42). In use, the cylinders are pressurised to a predetermined value to provide an adjustable, pre-loaded reaction against the toggle plate (54), in line with the side walls.

Abstract: An apparatus for destroying compact discs includes a base and a cover. The base has a mounting fixture capable of holding a CD and an anvil projecting upwardly from the base bottom panel. The cover is hingedly attached to one of the base walls such that the cover can assume an open position in which the apparatus interior is accessible and a closed position in which the apparatus interior is inaccessible. The cover has one or more scatter shields projecting downwardly from the cover such that, in the cover's closed position, the scatter shields prevent the apparatus interior contents from escaping. The cover further includes a compressor projecting downwardly from the cover top panel. In operation, mounting a CD in the mounting fixture and urging the cover from the open position to the closed position induces the compressor to urge the CD against the anvil to shatter the CD.

Abstract: A diverter valve housing has two outlets and one inlet for receiving a flow of air conveying a continuous strip of material, and a diverter duct or tube is pivotally supported within the housing on a pivot axis adjacent the inlet. The diverter tube has an outlet end portion supporting a pair of inclined cutting blades which cooperate with a cutting blade supported by the housing between the outlets for alternately and quickly chopping or cutting the strip of material when the outlet end portion of the diverter tube pivots between the two outlets of the housing. Sealing members connect the diverter tube to the housing and form stops for the diverter tube. A fluid cylinder is pivotally connected to the housing and has a piston rod pivotally connected to the diverter tube for rapidly pivoting the diverter tube between the two outlets.

Abstract: A jaw crusher is provided that includes a toggle plate holder mechanism, provided without increasing the overall height thereof, and a reaction force receiver link mechanism of an up-thrust type. A tension link mechanism acts as the toggle plate holder mechanism and includes a link having a tension link, a tension lever, a tension rod, and a tension spring. The layout angle of the tension link and tension rod can be changed freely by the tension lever.

Abstract: A jaw crusher used to crush hard materials includes a frame and a fixed and movable jaw positioned in spaced opposed relationship to receive hard materials to be crushed between the jaws. A lever is pivotally connected to the frame for pivotal movement about an axis and includes first and second extensions. The first extension includes a part that is in communication with the movable jaw and a part that is in communication with the axis and the second extension includes a part in communication with a reciprocating drive and a part in communication with the pivot axis. The distance between the parts of the second extension is greater than the distance between the parts of the first extension causing leveraged force to be applied on the movable jaw on application of force on the second extension by the reciprocating drive.

Abstract: 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 lower portion of the frame. Half-cut pyramid-shaped cutting edges are arranged on the one cutting edge unit in a zigzag manner half-cut pyramid-shaped cutting edges arranged on the second cutting edge unit in a zigzag manner. A device capable of moving the second cutting edge unit in a shearing manner, and an input opening for feeding aluminum and a discharge opening are part of the structure, with clearances for shearing being provided between the half-cut pyramid-shaped cutting edges of the one and the second cutting edge unit.

Abstract: Article breaking apparatus for mounting on an arm of a suitable vehicle, the apparatus having a pair of hydraulically operated jaws (12, 24), the first jaw (12) of the pair having first and second mutually perpendicular article supporting surfaces (14, 16) and the second jaw having an article engaging surface (26). The jaws (12, 14) are movable about a first pivot axis (22) between an article receiving position in which the first article supporting surface (14) and the article engaging surface (26) diverge away from the first pivot axis (22) and an article breaking position in which said surfaces (14, 26) diverge towards the first pivot axis (22). When an article (82) is located between the jaws (12, 24) and the jaws (12, 24) move from the receiving to the breaking position, the article (82) will be urged towards the second article supporting surface (16) and held there against until broken by the relative movement of the said surfaces (14, 26).

Abstract: An article breaking apparatus for being mounted on an arm of a vehicle, and including a first member having a first jaw on a first end thereof and a mounting attachment on a second end remote from the first jaw for permitting the apparatus to be mounted onto the vehicle arm. The first jaw includes an article-supporting surface. A second member is pivotally mounted for movement about a first pivot axis, the second member including a second jaw having an article-engaging surface cooperable with the article-supporting surface of the first jaw and defining an article receiving opening therebetween. The second jaw is movable about the first pivot axis relative to the first jaw between an article receiving position in which the article-supporting surface of the first jaw and the article-engaging surface of the second jaw diverge away from the first pivot axis and an article breaking position in which the article-supporting and article-engaging surfaces diverge toward the first pivot axis.

Abstract: A process and apparatus for recovering conductor material from an installation cable with bunched conductors and plastic insulation cuts the installation cable into segments, presses and rolls the segments at an increased temperature ranging from 70° to 130° C. with the longitudinal axes of the segments perpendicular to directions of the rolling and sieves the segments for separating conductor material from the segments and, thereby, recovering the conductor material.

Abstract: A jaw crusher having a dynamically adjustable tramp iron relief system is disclosed. A moveable jaw and a stationary jaw define a crushing chamber, with a lower portion of the moveable jaw cooperating with a lower portion of the stationary jaw to define a closed side setting gap. A hydraulic tramp iron relief system operatively connects at least one of the jaws to the frame and is arranged to permit uncrushable material to pass through the crushing chamber by permitting the lower portion of the jaw to shift to a shifted position in which the gap is increased. The tramp iron relief system includes an adjustable hydraulic cylinder, the hydraulic cylinder arranged to permit the gap to be adjusted during operation of the crusher.

Abstract: A mobile jaw crusher assembly for crushing objects is provided. The assembly includes a frame and a first crushing member that is configured to be moved and at least partially rotated by a vehicle. The first crushing member is configured to be attached to the vehicle. A second crushing member is also present and faces the first crushing member. The first and second crushing members define a crushing chamber that is used for crushing objects. The second crushing member is configured to be moved and at least partially rotated by the vehicle.

Abstract: An article breaking apparatus for being mounted on an arm of a vehicle, and including a first member having a first jaw on a first end thereof and a mounting attachment on a second end remote from the first jaw for permitting the apparatus to be mounted onto the vehicle arm. The first jaw includes an article-supporting surface. A second member is pivotally mounted for movement about a first pivot axis, the second member including a second jaw having an article-engaging surface cooperable with the article-supporting surface of the first jaw and defining an article receiving opening therebetween. The second jaw is movable about the first pivot axis relative to the first jaw between an article receiving position in which the article-supporting surface of the first jaw and the article-engaging surface of the second jaw diverge away from the first pivot axis and an article breaking position in which the article-supporting and article-engaging surfaces diverge toward the first pivot axis.

Abstract: The invention provides a cutter for a method of crushing and breaking casting products utilizing a casting product crushing and breaking apparatus and is constituted such that front end side mountain portions 44 and 54 are provided at front end sides of cutters 42 and 52 opposed to each other and bottom side mountain portions 43 and 53 are provided on bottom sides thereof. Therefore, there can be carried out operation of pressing useless casting products and operation of crushing and breaking thereof between the front end side mountain portions and the bottom side mountain portions provided at the respective cutters of one and other cutting apparatus. Useless casting products of long objects can be crushed and broken firmly and smoothly. Cutting dimensions are substantially made constant and by making the cutting dimensions substantially constant, melting operation can be made efficient.

Abstract: The invention provides a cutter for a method of crushing and breaking casting products utilizing a casting product crushing and breaking apparatus and is constituted such that front end side mountain portions 44 and 54 are provided at front end sides of cutters 42 and 52 opposed to each other and bottom side mountain portions 43 and 53 are provided on bottom sides thereof. Therefore, there can be carried out operation of pressing useless casting products and operation of crushing and breaking thereof between the front end side mountain portions and the bottom side mountain portions provided at the respective cutters of one and other cutting apparatus. Useless casting products of long objects can be crushed and broken firmly and smoothly. Cutting dimensions are substantially made constant and by making the cutting dimensions substantially constant, melting operation can be made efficient.

Abstract: A jaw crusher capable of stable angle detection is provided. For this purpose, the jaw crusher includes a fixed jaw (35), a swing jaw (36) provided to oppose the fixed jaw, a frame (34) for supporting the fixed jaw and the swing jaw, and an outlet clearance adjusting mechanism (62) for adjusting an outlet clearance between the fixed jaw and the swing jaw, and the outlet clearance adjusting mechanism includes a connecting member (61) of which one end is made abut to or connected to the swing jaw, a rotatable rotary member (64) which is made abut to or connected to the other end of the connecting member, a driving mechanism (65) for rotating the rotary member, and angle detecting equipment (69) which is mounted to the frame and detects a rotation angle of the rotary member.

Abstract: Apparatus for fragmenting scrap materials, comprising a transportable platform and a fragmenter mounted on the platform for fragmenting scrap materials deposited therein. A first discharge conveyor is mounted on the platform for receiving fragmented scrap materials from the fragmenter. An inspection conveyor is mounted on the platform for receiving and sorting fragmented scrap materials from the first discharge conveyor. A second discharge conveyor is mounted on the platform for receiving fragmented and sorted scrap materials from the inspection conveyor and transporting them to a container or vehicle for recycling or disposal. The fragmenter comprises a fragmenter head mounted for reciprocating movement toward and away from an anvil for fragmenting scrap material positioned therebetween and enabling it to be discharged to the first discharge conveyor.

Abstract: A portable rock crusher (10)is adapted for attachment to a boom (16) of an earthmoving vehicle (14). The crusher has a hopper (32) with a material inlet (49) and a material outlet (44) spaced from the inlet. A pair of jaws (46,48) is located within the hopper and positioned between the inlet and outlet. The jaws are movable relative to one another to vary the spacing therebetween and an actuator (68) is provided to control relative movement between the jaws. Material moving from the inlet to the outlet thereby passes between the jaws and is crushed upon relative movement of the jaws to provide an aggregate at the outlet.