A cylindrical cutting system, a bit holder assembly, and machine for milling or scarifying road surfaces are disclosed. A bit holder is attachable to a milling platform, and includes an inward facing surface for engaging a corresponding mating surface of the milling platform. The inward facing surface of the bit holder and the mating surface include aligning fastener and pin openings. A fastener and a pin are inserted within the respective openings to couple the bit holder to the milling platform. The mating surface may define a part of a recess formed in the milling platform. A wear element may be disposed at the leading side of the bit holder. Multiple platforms may be coupled together with axially extended platform fasteners.
E01C 23/088 - Outils rotatifs, p. ex. tambours de fraisage
B27C 1/00 - Machines pour l'obtention de surfaces planes, p. ex. à l'aide d'outils rotatifsÉquipement de ces machines
B23C 5/20 - Outils de fraisage caractérisés par des particularités physiques autres que la forme à taillants ou dents amovibles
B23B 27/08 - Outils de coupe dont la partie principale est en forme de lame ou de disque
B27C 5/00 - Machines conçues pour la réalisation de pièces de formes ou de profils particuliers, p. ex. à l'aide d'outils rotatifsÉquipement de ces machines
B28D 1/18 - Travail de la pierre ou des matériaux analogues p. ex. briques, béton, non prévu ailleursMachines, dispositifs, outils à cet effet par fraisage, p. ex. exécution de sillons au moyen de fraises
A cylindrical cutting system, a bit holder assembly, and machine for milling or scarifying road surfaces are disclosed. A bit holder is attachable to a milling platform, and includes an inward facing surface for engaging a corresponding mating surface of the milling platform. The inward facing surface of the bit holder and the mating surface include aligning fastener and pin openings. A fastener and a pin are inserted within the respective openings to couple the bit holder to the milling platform. The mating surface may define a part of a recess formed in the milling platform. A wear element may be disposed at the leading side of the bit holder. Multiple platforms may be coupled together with axially extended platform fasteners.
B27C 1/00 - Machines pour l'obtention de surfaces planes, p. ex. à l'aide d'outils rotatifsÉquipement de ces machines
E01C 23/088 - Outils rotatifs, p. ex. tambours de fraisage
B23C 5/20 - Outils de fraisage caractérisés par des particularités physiques autres que la forme à taillants ou dents amovibles
B23B 27/08 - Outils de coupe dont la partie principale est en forme de lame ou de disque
B27C 5/00 - Machines conçues pour la réalisation de pièces de formes ou de profils particuliers, p. ex. à l'aide d'outils rotatifsÉquipement de ces machines
B28D 1/18 - Travail de la pierre ou des matériaux analogues p. ex. briques, béton, non prévu ailleursMachines, dispositifs, outils à cet effet par fraisage, p. ex. exécution de sillons au moyen de fraises
A cutter bit adapted to be fixed onto a working surface of a rotating drum of a milling, planing, mining or reclaiming machine is provided. The body of the cutter bit is generally formed of a hardened steel, the cutting surface may be a diamond composition fixed in a step in the upper end of the cutter bit. The cutter bit includes a cutting surface, and the cutting surface may include non-parallel side edges and an upper cutting edge parallel to a lower edge. The lower edge may be any length sufficient to inhibit unintended angular displacement of the cutting surface during operation of the working surface. Alternatively or in addition, the cutting surface may be defined by three edges to allow the cutting surface to be removed and repositioned in at least a second orientation.
B28D 1/18 - Travail de la pierre ou des matériaux analogues p. ex. briques, béton, non prévu ailleursMachines, dispositifs, outils à cet effet par fraisage, p. ex. exécution de sillons au moyen de fraises
A cylindrical cutting system, a bit holder assembly, and machine for milling or scarifying road surfaces are disclosed. A bit holder is attachable to a milling platform, and includes an inward facing surface for engaging a corresponding mating surface of the milling platform. The inward facing surface of the bit holder and the mating surface include aligning fastener and pin openings. A fastener and a pin are inserted within the respective openings to couple the bit holder to the milling platform. The mating surface may define a part of a recess formed in the milling platform. A wear element may be disposed at the leading side of the bit holder. Multiple platforms may be coupled together with axially extended platform fasteners.
B27C 1/00 - Machines pour l'obtention de surfaces planes, p. ex. à l'aide d'outils rotatifsÉquipement de ces machines
B27C 5/00 - Machines conçues pour la réalisation de pièces de formes ou de profils particuliers, p. ex. à l'aide d'outils rotatifsÉquipement de ces machines
E01C 23/088 - Outils rotatifs, p. ex. tambours de fraisage
5.
Tapered cutter bit and mounting block for the same
A cutter bit includes a wear resistant element replaceably mounted to a front surface immediately below the cutting surface of the cutter bit. The body of the cutter bit is generally formed of a hardened steel, the cutting surface can be a diamond composition fixed in a step in the upper end of the cutter bit including side edges that taper laterally outwardly toward a lower edge of the cutting surface situated adjacent to the wear resistant element and the wear resistant element is preferably formed of a carbide composition or a sintered diamond composition. The wear resistant element can have an upper edge that closely conforms to the shape of an adjacent lower edge of the cutting surface, and can be coupled to a front end of a stem passing through an opening in the cutter bit immediately below the cutting surface, the opening being perpendicular to at least a portion of the back surface of the cutter bit.
B28D 1/18 - Travail de la pierre ou des matériaux analogues p. ex. briques, béton, non prévu ailleursMachines, dispositifs, outils à cet effet par fraisage, p. ex. exécution de sillons au moyen de fraises
A milling drum adapted to be rotated in a cutting direction about an axis defined by the cylindrical surface of the drum. A plurality of pairs of overlapping recesses in the cylindrical surface of the drum. A tooth or cutting bit with a base configuration matching a first of the pair of the overlapping recesses, and a lower portion of a side surface including a retainer engagement feature. A retainer has a base configuration matching a second of the pair of overlapping recesses, and a side surface including a tooth engagement feature. A fastener secures the retainer in the second of the overlapping recesses so that the tooth engagement feature of the retainer engages the retainer engagement feature of the tooth or cutting bit to hold the tooth or cutting bit in the first of the overlapping recesses.
E21C 35/183 - Pics pour l'exploitation des minesLeurs supports avec des parties rapportées ou des couches résistant à l'usure
B28D 1/18 - Travail de la pierre ou des matériaux analogues p. ex. briques, béton, non prévu ailleursMachines, dispositifs, outils à cet effet par fraisage, p. ex. exécution de sillons au moyen de fraises
E21C 35/19 - Moyens pour fixer les pics ou les supports
A cutter bit includes a wear resistant element replaceably mounted to a front surface immediately below the cutting surface of the cutter bit. The body of the cutter bit is generally formed of a hardened steel, the cutting surface can be a diamond composition fixed in a step in the upper end of the cutter bit and the wear resistant element is preferably formed of a carbide composition or a sintered diamond composition. The wear resistant element can be coupled to a front end of a stem passing through an opening in the cutter bit immediately below the cutting surface.
A cutter bit includes a wear resistant element replaceably mounted to a front surface immediately below the cutting surface of the cutter bit. The body of the cutter bit is generally formed of a hardened steel, the cutting surface can be a diamond composition fixed in a step in the upper end of the cutter bit including side edges that taper laterally outwardly toward a lower edge of the cutting surface situated adjacent to the wear resistant element and the wear resistant element is preferably formed of a carbide composition or a sintered diamond composition. The wear resistant element can have an upper edge that closely conforms to the shape of an adjacent lower edge of the cutting surface, and can be coupled to a front end of a stem passing through an opening in the cutter bit immediately below the cutting surface, the opening being perpendicular to at least a portion of the back surface of the cutter bit.
B28D 1/18 - Travail de la pierre ou des matériaux analogues p. ex. briques, béton, non prévu ailleursMachines, dispositifs, outils à cet effet par fraisage, p. ex. exécution de sillons au moyen de fraises
A milling drum adapted to be rotated in a cutting direction about an axis defined by the cylindrical surface of the drum. A plurality of pairs of overlapping recesses in the cylindrical surface of the drum. A tooth or cutting bit with a base configuration matching a first of the pair of the overlapping recesses, and a lower portion of a side surface including a retainer engagement feature. A retainer has a base configuration matching a second of the pair of overlapping recesses, and a side surface including a tooth engagement feature. A fastener secures the retainer in the second of the overlapping recesses so that the tooth engagement feature of the retainer engages the retainer engagement feature of the tooth or cutting bit to hold the tooth or cutting bit in the first of the overlapping recesses.
E01C 23/088 - Outils rotatifs, p. ex. tambours de fraisage
E01C 23/12 - Dispositifs ou aménagements pour travailler la surface terminéeDispositifs pour réparer la surface des revêtements endommagés pour enlever, arracher ou briser les revêtements
E21C 35/193 - Moyens pour fixer les pics ou les supports utilisant des boulons comme éléments principaux de fixation
B28D 1/18 - Travail de la pierre ou des matériaux analogues p. ex. briques, béton, non prévu ailleursMachines, dispositifs, outils à cet effet par fraisage, p. ex. exécution de sillons au moyen de fraises
A road surface planner having a coupling mechanism coupled between a working tool attachment and a transporter to permit independent movement (i.e., rotation and/or pivoting) between the transporter and the attachment is provided. The attachment can have a rotary driven element such as a grinding element for modifying an irregular surface of existing pavement. The rotary element can be supported by a rear frame with a rear wheel assembly, a boom at the front of the grinding element, and a front wheel assembly coupled to the boom. The coupling mechanism can include a first member pivotably coupled to the transporter, and a second member fixed to the rear frame. The first member has a central opening defined by an inner edge for slidably contacting along a hub that extends from the second member for rotation there along.
An apparatus for use on a portion of a milling or mining drum may include a base portion and a cutter bit. The cutter bit may include a tip region, a flange having a nut-like gripping surface, and a shank portion. At least a distal end of the shank portion may include a threaded portion. The shank portion may be received in an opening of the base portion. The opening of the base portion may be internally threaded to engage the threaded portion of the shank portion of the cutter bit. The base portion may include a lower region having a second threaded portion of smaller diameter than the threaded portion engaging the shank portion of the cutter bit. A retainer may be internally threaded into the opening of the base portion and threadably engaged in the second threaded portion.
