Abstract: A material conveyor apparatus is described comprising a conveyer device having a material receiving end suitable for receiving material such as overburden or mineral at a working site, a material discharge end distal of the material receiving end, and a material transport system disposed between the material receiving end and the discharge end so as in use to cause material received at the material receiving end to be conveyed to the material discharge end; an scanning system comprising a scanning device disposed to scan the material being conveyed to the material discharge end and obtain a response from the material from which the material may be classified at least into two classes comprising at least a waste class and a useable ore class based on the response; a chassis supporting the conveyor device and the scanning device; a transport carriage supporting the chassis and adapted to cause the chassis to be movable across a surface for deployment in use.

Abstract: A feeder is described for the conveyance of material such as overburden or mineral from a working site, the feeder comprising a feed device having a material receiving end having a material receiving apron suitable for receiving material such as overburden or mineral at a working site; a material discharge end distal of the material receiving end; an endless conveyor disposed between the material receiving apron and the discharge end so as in use to cause material received at the material receiving apron to be conveyed to the material discharge end; a chassis supporting the feed device; a transport carriage supporting the chassis and adapted to cause the feeder to be movable across a surface for deployment in use. A system A system and method for the movement of material from a working site for example via transport trucks are also described.

Abstract: A sizer tooth assembly for a mineral sizer is described. The tooth assembly includes a horn protrusion extending from a rotatable support, the horn protrusion having a pair of opposed front and rear faces; and a shell structure encapsulating the horn protrusion and defining the outer shape of the sizer tooth; wherein the shell structure comprises exactly two cover formations which are non-releasably secured to one another but not to the horn protrusion, to define when so secured a unitary tooth assembly. Each of the two cover formations seats upon and presents an inward engagement face to a respective one of the pair of opposed front and rear faces of the horn protrusion; and each such engagement face of a cover formation and its corresponding face of the horn protrusion are provided with a complementary arrangement of projections and recesses configured such that when the two cover formations are non-releasably secured to one another the shell structure is releasably connected upon the horn protrusion.

Abstract: A feeder is described for the conveyance of material such as overburden or mineral from a working site, the feeder comprising a feed device having a material receiving end having a material receiving apron suitable for receiving material such as overburden or mineral at a working site; a material discharge end distal of the material receiving end; an endless conveyor disposed between the material receiving apron and the discharge end so as in use to cause material received at the material receiving apron to be conveyed to the material discharge end; a chassis supporting the feed device; a transport carriage supporting the chassis and adapted to cause the feeder to be movable across a surface for deployment in use. A system A system and method for the movement of material from a working site for example via transport trucks are also described.

Abstract: A sizer tooth assembly for a mineral sizer is described. The tooth assembly includes a horn protrusion extending from a rotatable support, the horn protrusion having a pair of opposed front and rear faces; and a shell structure encapsulating the horn protrusion and defining the outer shape of the sizer tooth; wherein the shell structure comprises exactly two cover formations which are non-releasably secured to one another but not to the horn protrusion, to define when so secured a unitary tooth assembly. Each of the two cover formations seats upon and presents an inward engagement face to a respective one of the pair of opposed front and rear faces of the horn protrusion; and each such engagement face of a cover formation and its corresponding face of the horn protrusion are provided with a complementary arrangement of projections and recesses configured such that when the two cover formations are non-releasably secured to one another the shell structure is releasably connected upon the horn protrusion.

Abstract: A transporter for the transport of a large payload across an uneven ground surface is described. The transporter has a body (4); ground contacting transport means below the body, provided with drive means (1,2) to move the body across a ground surface in use; a payload support module (5) to support a payload above the body in use; and a plurality of elongate extendable elevators (6) each having a first articulated joint (17) with the body at a first end and a second articulated joint (13) with the payload support module at a second end.

Abstract: A breaker tooth assembly for a mineral breaker, a drum assembly including such a breaker tooth assembly and a mineral breaker with such a breaker tooth assembly or drum assembly are described. The breaker tooth assembly including a horn protrusion extending from a rotatable support, the horn protrusion having a pair of opposed front and rear faces; and a shell structure encapsulating the horn protrusion and defining the outer shape of the breaker tooth; wherein the shell structure comprises a plurality of covers which are non-releasably secured to one another, but not to the horn protrusion, to define a unitary breaker tooth assembly; and wherein at least one cover of the shell structure is releasably connectable with a corresponding face of the horn protrusion.

Abstract: A mineral breaker is described having a breaker unit (1) with at least one rotary drive shaft (15), a rotary electric motor (13), and a drive gear box (17). The breaker unit drive shaft is coupled for rotation to an output shaft of the drive gear box, the rotary electric motor is coupled to rotatably drive an input shaft of the main drive gear box. The rotary electric motor is a switched reluctance motor.

Abstract: A transporter for the transport of a large payload across an uneven ground surface is described. The transporter has a body (4); ground contacting transport means below the body, provided with drive means (1,2) to move the body across a ground surface in use; a payload support module (5) to support a payload above the body in use; and a plurality of elongate extendable elevators (6) each having a first articulated joint (17) with the body at a first end and a second articulated joint (13) with the payload support module at a second end.

Abstract: A tooth construction for a mineral breaker, the tooth construction including a tooth shaped support body covered by a shell on which is mounted a breaking tip formation to define the outer shape of the tooth construction; the support body having a front face, an opposed rear face, and a pair of opposed side faces extending therebetween; the shell being composed of a cover formation defining a front wall, opposed side walls, and a top wall overlying and seated in face to face contact with respective front, side and top faces of the support body; the breaking tip formation comprising a pick formation presenting a rear surface in face to face contact with and secured upon the front wall of the cover so as to project forwardly therefrom and a top formation extending rearwardly of the pick formation and presenting a lower surface in face to face contact with and secured upon the top wall of the cover.

Abstract: A mineral breaker 10 including a row of side-by-side breaker drum assemblies 30 having radially projecting breaker teeth 38. The row includes at least four breaker drum assemblies 30 arranged to define an inner pair DB of adjacent breaker drum assemblies 30a located in-between a pair of outer breaker drum assemblies. The inner pair of breaker drum assemblies 30a defines therebetween a mineral deposit region DM for receiving mineral in-flow. The breaker drum assemblies 30a of said inner pair DB of breaker drum assemblies being rotated in opposite directions such that, in use, breaker teeth 38 on each of said inner breaker drum assemblies 30a act upon mineral being deposited in said deposit region DM to cause agitation of the deposited mineral in-flow in order to encourage undersized mineral to pass therebetween whilst preventing oversized mineral passing therebetween.

Abstract: A mineral breaker including a pair of breaker drum assemblies rotatably housed in a housing with their axes parallel, each drum assembly including circumferentially extending groups of teeth, the groups being spaced axially along the drum assembly to define a circumferentially extending channel between adjacent circumferential groups of teeth, the drum assemblies being arranged such that each circumferential group of teeth on one drum assembly is located to enter a circumferentially extending channel between a pair of neighboring circumferential groups of teeth on the other drum assembly, the cross-sectional shape and size of each tooth and channel being complementary such that the sides and tip of a tooth when entering a channel are closely spaced from the sides and bottom of the channel, and an elongate breaker bar extending longitudinally in a direction parallel to the axes of the drum assemblies, the breaker bar being located with its longitudinal axis positioned inbetween and beneath the axes of rotation

Abstract: A breaker having a first end and a second opposed end and a plurality of breaker drums arranged side by side in a row extending between said ends, the drums being arranged with their axes of rotation parallel to one another, at least two neighboring drums adjacent to the first end being arranged to continuously rotate in the same direction to define feeder drums for feeding material toward the second end, each breaker drum having radially projecting breaker teeth which co-operate with opposed breaker teeth on the adjacent drum to grip oversized material therebetween to cause breakage thereof, to permit passage of undersized material therebetween and to move unbroken oversized material toward said second end.

Abstract: A mineral breaker including a pair of breaker drum assemblies rotatably housed in a housing with their axes parallel, each drum assembly including circumferentially extending groups of teeth, the groups being spaced axially along the drum assembly to define a circumferentially extending channel between adjacent circumferential groups of teeth, the drum assemblies being arranged such that each circumferential group of teeth on one drum assembly is located to enter a circumferentially extending channel between a pair of neighbouring circumferential groups of teeth on the other drum assembly, the cross-sectional shape and size of each tooth and channel being complementary such that the sides and tip of a tooth when entering a channel are closely spaced from the sides and bottom of the channel, and an elongate breaker bar extending longitudinally in a direction parallel to the axes of the drum assemblies, the breaker bar being located with its longitudinal axis positioned inbetween and beneath the axes of rotatio

Abstract: A tooth construction for a mineral bear, the tooth construction including a tooth shaped support body covered by a shell which defines the outer shape of the tooth construction, the shell being composed of a plurality of covers which are fixedly secured to one another and/or to the support body by welding to define a unitary tooth construction the support body having a front face and an opposed rear face and the plurality of covers including at least a front cover which is weldingly secured to and seated in face to face contact with the front face of the support body and a separate rear cover which is weldingly secured to and seated in face to face contact with the rear face of the support body.

Abstract: A mineral breaker bar assembly for a mineral breaker having at least one breaker drum assembly rotatably mounted in a housing, the breaker bar assembly having an elongate support body adapted for mounting on the mineral breaker housing and having a plurality of breaker teeth mounted on the elongate support body, each of the breaker teeth being adjustably mounted on the elongate support body to enable the height of each breaker tooth relative to the support body to be individually adjusted.

Abstract: A mineral breaker including at least one breaker drum having breaker teeth projecting radially therefrom, the teeth being arranged so as to define a series of discrete circumferentially spaced helical formations extending along the drum.

Abstract: A mineral breaker having at least one breaker drum, the drum including a generally cylindrical support body from which a plurality of radially extending projections project by a distance equal to at least half the radius of the body, each projection being covered by a tooth sheath to define a breaker tooth having a maximum radial dimension projecting beyond the circumference of the support body which is greater than a major portion of the radius of the support body.