Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8056647 | First and second beam for telescopic feeder, incorporating guiding studs, telescopic feeder, drilling device for rock drilling and a way of using a guiding stud The object of the invention is to provide a telescopic feeder which is easier to handle. A first beam is intended to be used in sliding cooperation with a second beam in a telescopic feeder for a rock drilling machine. The first beam comprises at least one guiding s... | 11/15/2011 |
| 7926585 | Method and apparatus for an articulating drill The present invention is an articulating hand power tool with a head portion including a head housing, a bit holder rotatably positioned within the head housing, and a bearing member operable to transfer a first axial force from the bit holder to the head housing. A... | 04/19/2011 |
| 7832496 | Deep-hole boring machine and deep-hole boring guide device A deep-hole boring machine (100) includes a base (11) to be fitted to an upper face of a floor, a pillar (14), a fixing mechanism (40), a guide member (15), a rotary tool (17), a tool rotation driving section (16), a ... | 11/16/2010 |
| 7118147 | Handling robot system having robot hand In a robot hand according to the present invention, a first-type grasping claw driven by a servo motor on a hand base and a second-type grasping claw having no actuator are used with the grasping claws mounted on each holding unit. The second-type grasping claw is m... | 10/10/2006 |
| 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 |
| 7055622 | Power tool having a handle and a pivotal tool body A power tool (2) comprising a handle (6), a tool body (4) pivotably coupled to the handle (6), a motor (16) mechanically coupled to a rotary output (20) housed in the tool body (4), a trigger switch (32) housed... | 06/06/2006 |
| 6938706 | Power tool provided with a locking mechanism A power tool (2) has a first body (6), a second body (4) connected to the first body (6), and a locking mechanism. One of the bodies (4;6) is moveable with respect to the other body (4;6). The locking mechanism is capable of... | 09/06/2005 |
| 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 |
| 5746277 | Drilling apparatus Augering device is disclosed which is useful for drilling holes in the ground at various angles under relatively low overhead or ceiling conditions. The device is suitable for mounting on a wide variety of vehicles ranging from the bed of small pickup tru... | 05/05/1998 |
| 5630477 | Downcrowdable telescopic augering apparatus A downcrowdable telescopic augering apparatus including a vehicle having a boom which carries a cradle in which a kelly tube is slidably mounted and on which a kelly winch and a service winch are mounted. A winch management system oversees the operation o... | 05/20/1997 |
| 5222564 | Drilling unit A drilling machine includes a boom assembly which has two straight parallel longitudinal beams of extruded steel, each of a section defining straight parallel inwardly and outwardly facing ways, a drilling head in a carriage and rollers guiding said carri... | 06/29/1993 |
| 5145286 | Earth anchor driving and removing apparatus and method therefore A Kelly bar adapter for use with earth anchor driving machinery is disclosed. The adapter allows for pivotal connection of an earth anchor or earth anchor extension rod thereto. Thus, a vertically hanging Kelly rod may be attached to an earth anchor or it... | 09/08/1992 |
| 5117920 | Pole driver A pole driver 10 has a platform 12 on wheels 14 and 16 with leveling lift jacks 18 to assure horizontal orientation of the platform. A hammer drive assembly 24 is pivotally mounted on the platform 12 between a horizontal travel position and a vertical ope... | 06/02/1992 |
| 5107933 | Hydraulic drilling outfit A hydraulic drilling outfit has a hydraulically driven hammer drill which is fastened pivotally to a hydraulic thrust unit. A control for the hydraulics utilizes the flushing water for the drill bit as the power-source for all of the motions executed by t... | 04/28/1992 |
| 5082068 | Drilling machine for drilling holes in rocks A truck-mounted rock drilling machine for pole holes consists of a pivotable boom mounted on the truck bed and a jack-hammer-like mechanism mounted on the boom. The jack hammer like mechanism is driven from a compressor which is preferably mounted on a se... | 01/21/1992 |
| 5060735 | Device for positioning of a drill bit Device for positioning of a drill bit (1) at a positioning plane (2). A drill rig (3) is provided with two video cameras (9) for sensing the position of a light source (8) adjacent the drill bit. The video cameras are aligned in parallel. The image fields... | 10/29/1991 |
| 5038871 | Apparatus for supporting a direct drive drilling unit in a position offset from the centerline of a well Drilling equipment including apparatus for laterally moving a direct drive drilling unit to a position offset from the centerline of a well. The drilling equipment includes a traveling block suspended for generally vertical travel within a derrick during ... | 08/13/1991 |
| 5014542 | Automatic machine tool head designed to increase the number of machine operating axes A machine tool head comprises a fork fitted to a support having a plurality of degrees of freedom, and a tool unit hinged to the fork. The tool unit contains equipment designed to control a tool carrier so that it can traverse along an axis, and equipment... | 05/14/1991 |
| 5007492 | Safety stabilizer for auger A safety stabilizer for an auger having a screw, and an engine, and handles, and having two stabilizer legs, swingable upper joints on each leg, and anchors on the lower end of each leg.... | 04/16/1991 |
| 4998849 | Earth anchor driving and removing apparatus and method therefore A Kelly bar adapter for use with earth anchor driving machinery is disclosed. The adapter allows for pivotal connection of an earth anchor or earth anchor extension rod thereto. Thus, a vertically hanging Kelly rod may be attached to an earth anchor or it... | 03/12/1991 |
| 4961468 | Multi-function control actuating mechanism A multi-function control actuating mechanism for a roof drilling and bolting machine includes an actuating rod having a first end and a second end. The actuating rod is of a predetermined length and is mounted for movement in a longitudinal direction. A s... | 10/09/1990 |
| 4890680 | Machine for working rock, especially a block drilling machine A machine for working rock, especially a block drilling machine, comprising at least one working tool, especially drilling tool. The drilling unit comprising the drilling tool is adapted to be connected to a supporting means in such a way that it has thre... | 01/02/1990 |
| 4832536 | Anchor drilling unit An anchor drilling unit for use in rock bolting includes a rock drill with chuck traveling along a carriage, which drilling unit is improved by a special tool exchange device that can move parallel to the carriage and can also rotate relative to the rock ... | 05/23/1989 |
| 4829879 | Radial piston drive motor assembly with exhaust passages in cylinder An air motor 24 which may be employed in a mine drilling apparatus includes a hollow body 26 formed of a plastic material, and a driven shaft 38 rotatably supported by the body 26 and incorporating a valve assembly 34. The body 26 has opposing pairs of ex... | 05/16/1989 |
| 4785892 | Pile driver, pile drawer and/or drilling machine A combined pile driver, pile drawer and drilling machine comprises a carriage (1), a turntable (1A) mounted on the carriage (1), support device (2), lifting device (4) and a mast system (5) comprising two mast units (3). The support device (2) comprises a... | 11/22/1988 |
| 4712624 | Rock drill with tunnel profile control system A rock drill having a tunnel profile control system comprising a boom assembly, a converting unit for converting the position of one of positioning points on an orthogonal coordinate system representative of the transverse section of a tunnel to be driven... | 12/15/1987 |
| 4702324 | Control system for positioning and operating a pneumatic percussion tool A control system controlling the movements of a pneumatic percussion tool for breaking crust away from anode butts in an electrolysis cell. The system comprises a control arm extending through first and second plates connected to respective first and seco... | 10/27/1987 |
| 4685192 | Appliance for removal of burrs on flame-cut slabs; blooms and billets Burrs on flame-cut semi-products are removed with the aid of a transversely guided flat chisel driven pulsatingly by a pneumatic percussion device, which reduces the advance forces required. The inclination of the flat chisel may be varied during operatio... | 08/11/1987 |
| 4667746 | Mobile apparatus for driving different objects into the ground by impact A mobile apparatus for driving different objects into the ground by impact, comprising a carrier structure supporting a swinging element along which slides a mass whose movements are controlled by a cable. The swinging element has a tubular structure divi... | 05/26/1987 |
| 4639868 | Control method for drilling apparatus which makes use of a final drilling pattern transformed from primary and secondary patterns A drilling method of drilling an imaginary facing for excavating a curved tunnel such that the imaginary facing is nonparallel to an existing facing. The drilling method includes the steps of obtaining a first equation for transformation between a primary... | 01/27/1987 |
| 4586571 | Method of and arrangement for positioning of a drilling apparatus The present invention relates to a method and an apparatus for positioning a drilling apparatus with respect to a drilling plane formed by holes to be drilled in a rock in a tunnel. Light beams pointing in opposite directions are developed and fixed with ... | 05/06/1986 |
| 4572303 | Machine for extracting, rough shaping and squaring blocks of stones, marbles and granites, particularly in quarries The machine comprises an automobile vehicle provided with a pivoting boom to which is pivotably mounted a beam carrying a pivotally mounted swingle-bar to which is coupled a rotary plate for supporting a frame provided with guiding uprights for a sawing u... | 02/25/1986 |
| 4561506 | Pivoting driver with changeable bits A universal driver tool pivotable into a plurality of angular positions is disclosed for use by a computer controlled robotic manipulator. Improved mechanism for connecting the driver tool to the pneumatic system of the robot is disclosed as is a techniqu... | 12/31/1985 |
| 4558791 | Furnace delining apparatus A furnace delining apparatus has a telescopic jib mounted about a horizontal pivot axis on a turntable. The distal end of the jib carries a tool on a carrier swingable about an axis transverse to the jib axis. The carrier is pivotally mounted on a jib ext... | 12/17/1985 |
| 4542795 | Leader angle control device A leader angle control device comprises two inclinometers for measuring inclination of a leader in two directions, an arithmetic unit for calculating the length of two backstays which support the leader based on the detected inclination of the leader and ... | 09/24/1985 |
| 4497379 | Modular pivotal fluidic joint systems and components thereof Multi-path rotatable fluid couplings are formed from modular elements so as to have one, two or three axes about which relative rotation of supply and discharge conduits may occur. These modular elements may be employed in an articulated delivery system f... | 02/05/1985 |
| 4324435 | Lock assembly for earthworking apparatus A pivotal lock member (27) is secured to an earthworking apparatus (10) and a plurality of lock stations (28,29,30) are connected to a mounting assembly (21) which supports the earthworking apparatus (10) for rotation. The apparatus (10) can be rotated to... | 04/13/1982 |
| 4291780 | Apparatus for wires in the ground A mobile generator for producing seismic waves in the ground, which includes a mobile four-sided frame, a boom having its lower end pivotally connected to the frame, and a worm gear mounted on the frame such that by rotating the worm gear about its longit... | 09/29/1981 |
