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| Number | Title | Issue Date |
| 7100709 | Feed table pivot pin constraining device A restraining arrangement for limiting the separation of a feed table having a pivot pin and a positioner block of a mobile track drill. The restraining arrangement includes a first constraint device positioned on the positioner block and a second constraint device ... | 09/05/2006 |
| 7063495 | Spill shield for refuse collection vehicle A spill shield assembly for a refuse collection vehicle includes a slide panel assembly comprising a front slide panel and a rear slide panel. The assembly is applicable to vehicles having a refuse collection compartment, a refuse storage compartment and a packer ra... | 06/20/2006 |
| 6966727 | Apparatus for and method of installing segmented concrete pilings in new construction An apparatus for and method of installing a pile in unstable soil before a building foundation is installed on that unstable soil. The apparatus includes a tractor; an arm pivotally attached to tractors; a mechanism for moving the arm between raised and lowered posi... | 11/22/2005 |
| 6752221 | Self-supporting pneumatic hammer positioner with universal joint A self-supporting pneumatic hammer positioner for effortless command and control by an operator of a pneumatic hammer. The positioner comprises a rigid elongated template having a handle at a first end portion thereof, a saddle mount for a pneumatic hammer at a seco... | 06/22/2004 |
| 6736225 | Guide for attachment to a roof bolter to allow for core drilling The present disclosure provides a coring guide for converting a mine roof bolter into apparatus suitable for guiding a coring rod, or drill, into a mine roof, as well as a method for obtaining a geological core from the mine roof using the guide. The guide includes ... | 05/18/2004 |
| 6413019 | Turret rock bolter with stinger/centralizer A rock bolter has a drill and a bolt driver, both mounted to a turret that rotates relative to a base to align either the drill or the bolt driver with a work axis. A stinger/centralizer has two head elements, each advanced along a curvilinear path. When ... | 07/02/2002 |
| 6009957 | Arrangement in a feed beam of a rock drill In the arrangement, a feed beam made of an aluminum profile comprises a slide guide frame, whereby the outer surface of the slide guide frame and respectively, the inner surface of the slide guide are shaped and dimensioned in such a manner that when the ... | 01/04/2000 |
| 5709277 | Directional boring machine A direction boring machine is disclosed having elongated boom carried on a utility truck along which a drill head in longitudinally moved by a drive chain. The drill head is adapted to receive a plurality of drill stems, the outermost of which carries a d... | 01/20/1998 |
| 4881604 | Computer aided anti-buckling device for mine roof bolting machines The apparatus comprises a mine shaft roof bolting machine for drilling holes in a mine shaft roof in combination with an apparatus for controlling the thrust applied to the drill rod, commonly known as a pinning rod, to ensure that a buckling failure of t... | 11/21/1989 |
| 4838362 | Apparatus for manipulating a tool Apparatus for manipulating a tool which is particularly suited for use in drilling and inserting bolts into thin seams of mine workings. The apparatus (100) comprises a reaction support member (4) to support the tool, a chuck (1) for holding the tool, mou... | 06/13/1989 |
| 4682659 | Ground piercing attachment for tractors Ground piercing attachment for a tractor comprising a bracket which is adapted to be mounted to the lower end of the bucket of a tractor, an elongated bar and connector means for mounting the bar on the bracket so that the longitudinal axis of the bar ass... | 07/28/1987 |
| 4499953 | Apparatus for drilling rock A rock drilling machine is swingably carried on a pivotable drill boom. The rock drilling machine is fed along a drilling axis in response to a feeding movement applied by the drill boom. A set angle value is fed to a servo control system. During drilling... | 02/19/1985 |
| 4498544 | Method for rock drilling A rock drilling machine is swingably carried on a pivotable drill boom. The rock drilling machine is fed along a drilling axis in response to a feeding movement applied by the drill boom. A set angle value is fed to a servo control system. During drilling... | 02/12/1985 |
| 4478290 | Anti-buckling device for mine-roof bolting machines The invention comprises generally apparatus for use with an underground mine-shaft roof-bolting machine having a torque motor, a pinning rod held for rotation by the torque motor, a controllable arrangement for exerting upward thrust on the torque motor t... | 10/23/1984 |
| 4398850 | Roof bolter and process Roof bolter and process for resin bolting a mine roof. The roof bolter comprises combined means for drilling and resin inserting in one position, means for bolt inserting in a second position, and means for positioning the roof bolter first into one and t... | 08/16/1983 |
| 4328872 | Anti-buckling device for mine-roof bolting machines The invention comprises generally apparatus for use with an underground mine-shaft roof-bolting machine having a torque motor, a pinning rod held for rotation by the torque motor, a controllable arrangement for exerting upward thrust on the torque motor t... | 05/11/1982 |
| 4284368 | Vehicle with dual drill booms and temporary roof support A mining vehicle has a body with a center boom extending forwardly from the body. A temporary roof support is mounted on the outer end of the center boom. The roof support has a base, a telescopic column, and a cross beam on top of the column with auxilia... | 08/18/1981 |
| 4266749 | Drill boom arrangement A drill boom arrangement comprises a boom proper that is universally pivotably carried by a boom support. The boom carries a feed beam for a rock drill. The boom is swingable on the support by means of two hydraulic cylinders forming a tripod and the feed... | 05/12/1981 |
| 4256186 | Roof drilling and bolting apparatus An operator cab and drilling assembly for a roof drilling and bolting device. The cab comprises a floor and a canopy having extensible hydraulic means for adjusting the distance between the cab floor and at least the front edge of the canopy. A horizontal... | 03/17/1981 |
| 4251046 | Extensible beam arrangement Rock drilling equipment includes a boom carrying an extensible beam arrangement supporting a drilling mast, the extensible beam arrangement comprising a support pivotally mounted on the boom, a first elongated element slidably mounted on the support for m... | 02/17/1981 |
| 4246974 | Offset drilling machine Apparatus for drilling a pier hole under the ledge of a building foundation to permit lifting the foundation for relevelling of the building, the apparatus having an adjustable drill support frame to drill downwardly. A transmission and drill bit dependin... | 01/27/1981 |
| 4226290 | Roof drilling system A roof-drilling system for use in subterranean mining applications and the like in which the drill head of a roof drilling machine is arranged such that the receiving cavity of its chuck is configured having a lost motion association with the drive-in por... | 10/07/1980 |
| 4190116 | Mine roof bolter A mine roof bolter is described which has a rotary drill head with: (1) sufficient rotative mass that breakage of bits and steel is minimized, (2) a dual drive assembly that provides balanced side thrusts against the bearings so that wear thereof is minim... | 02/26/1980 |
| 4190117 | Support and positioner for rock drill A support and positioner for a rock drill has an extendable and retractable feed boom pivoting about a pivotal support arranged laterally below the axis of the feed boom, so that when the boom is swung downwardly to maintain a desired line of advance of t... | 02/26/1980 |
| 4130168 | Downcrowding boom assembly A self-contained, portable, extensible boom assembly for detachable mounting on a vehicle such as on the open top box body of a truck has power driven boom actuating mechanism and downcrowding storage mechanism activated by said power driven mechanism for... | 12/19/1978 |
| 4117894 | Drill steel guide for a mine drilling machine A drill pot for rotating a drill steel is supported at the front end portion of a drill boom that extends forwardly from a self-propelled frame. The drill boom raises the drill pot in a straight line to advance the rotating drill steel into the mine roof ... | 10/03/1978 |
| 4108253 | Elevatable operator's compartment having a drill steel guide for a mine drilling machine A drill boom is connected at its rear end portion to a mobile body and supports at its front end portion a drill pot for rotating a drill steel. The drill boom raises the drill pot along a predetermined straight-line path to advance the rotating drill ste... | 08/22/1978 |
| 4079792 | Mine roof support for a mobile drilling machine A horizontal deck extends forwardly from a self-propelled body portion. An elevating mechanism pivotally connects the deck to the body portion for vertical movement of the deck into and out of position on the mine floor. A mast-type roof drilling unit is ... | 03/21/1978 |
| 4066134 | Hydraulic post hole auger apparatus A hydraulically driven post hole auger apparatus for attachment to implement lifting mechanism of a vehicle. The apparatus includes a cylindrical housing having a speed-reducing gear box therein. The gear box has an output shaft extending through an openi... | 01/03/1978 |
| 4059162 | Drilling unit for stadium seats A drilling machine is disclosed for use in providing bolt holes in concrete stadium riser steps and the like. The drilling machine includes a relatively stationary base plate, and a foot plate slideable upon the base plate along a predetermined path. The ... | 11/22/1977 |
| 4022410 | Universal coupling A mobile vehicle is disclosed having a boom pivotally mounted thereon for slewing about a vertical axis and a work head attached to the free end of the boom by a universal mounting. The universal mounting consists of a first housing having a base attached... | 05/10/1977 |
| 4015672 | Digger attachment Disclosed is a digger attachment for a tractor including a frame having at one end of a frame arm a three-point mount for securing the digger to the tractor. The opposite end of the frame arm supports an auger for pivotal movement about a transverse axis.... | 04/05/1977 |
| 4000873 | Mounting for rock drills A known extendable and retractable mounting for rock drills is described comprising a drill feed leg, a vertical support, which may be mounted on a truck and a counter-balancing device for counterbalancing the drill during movement vertically from one dri... | 01/04/1977 |
| 3999805 | Articulated support According to the present invention, an articulated support arrangement for carrying a tool comprises a support member, a turret pivotally attached thereto, means to rotate the turret with respect to the support member, link means pivotally connected betwe... | 12/28/1976 |
| 3967686 | Device for guiding a drill tool A device for applying the drill tool displaceably carried by the feed beam of a vehicle supported drilling machine to a rock surface located at a distance from the feed beam. The drill tool is held in position during the collaring of the drill hole by a d... | 07/06/1976 |
