Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 8016363 | Automated excavation machine The present invention is directed to an excavator that is operable in manual and automatic modes and uses state machines to effect unit operations, rotationally offset swing actuators to rotate boom and cutter head, a fail safe hydraulic system to maintain gripper p... | 09/13/2011 |
| 7431401 | Slide shoe for mining winning machine A slide shoe for a mining winning machine is disclosed. The slide shoe includes a slide shoe body attached to the mining winning machine, a sliding area located on the slide shoe body and including a wear thickness, and at least one sensor. The sensor is scannable b... | 10/07/2008 |
| 7360844 | Geosteering detectors for boring-type continuous miners The invention provides, in one embodiment, a detector for a miner comprising a gamma sensing element and a light sensing element coupled to the gamma sensing element. According to the embodiment, the detector is mounted on a rotary cutter of a boring-type continuous... | 04/22/2008 |
| 7182407 | Rock boring device with an oscillating and nutating rotary disc cutter A rock boring device (10) including a rotary disc cutter (11). The disc cutter (11) is driven in an oscillating manner and also driven or free to nutate, and the device includes a mounting section (22) for the rotary disc cutter and a dri... | 02/27/2007 |
| 7177709 | Controller for underground mining A controller is disclosed for control operations in underground mining, especially for controllers to control support shields. The controller utilizes a central unit with a microprocessor and assigned, programmable memory devices for the storage and processing of so... | 02/13/2007 |
| 7076346 | Automated continuous haulage system The present invention relates to an automated continuous haulage apparatus and method designed for use in underground environments. Each mobile bridge carrier (10) contains distance measurement (70) and angular position (74) means for determinin... | 07/11/2006 |
| 6996875 | Securing device for a window A securing device for a window includes a fixed support, a slide rod pivoted to the window and displaceably passed through a transverse hole of the fixed support, and a knob screwed into an axial screw hole of the fixed support for securing the slide rod after the w... | 02/14/2006 |
| 6935439 | Boring tool control using remote locator A drilling system performs underground boring using a drill rig and a boring tool which is configured for moving through the ground under control of the drill rig to form an underground bore. A monitoring arrangement, forming part of the system, includes a detection... | 08/30/2005 |
| 6644753 | Method and apparatus for remote self-propelled conveying in mineral deposits A method and apparatus for the mining of material from a seam includes a mining apparatus and a self-propelled conveyor capable of advancing or retreating in the seam on its own power and an advancing and steering arrangement for the mining apparatus. The... | 11/11/2003 |
| 6296317 | Vision-based motion sensor for mining machine control A mining machine having a position sensing and control apparatus is claimed. The mining machine has a vehicle body having forward and rearward ends and movable along a mine floor. A cutter head is mounted on the forward end of the mining machine for upwar... | 10/02/2001 |
| 6257671 | Device for protecting selective cutting machines against overload The invention relates to a device for protecting selective cutting machines against overload, in which the selective cutting machine has cutting tools, in particular cutting rollers, rotatably supported on a pivotable cantilevered arm, and both the cuttin... | 07/10/2001 |
| 6203111 | Miner guidance using laser and image analysis A mining machine comprising a vehicle body having forward and rearward ends, the vehicle body being movable along a mine floor, a cutter head mounted on the forward end of the vehicle body, and a position sensing and control apparatus including first and ... | 03/20/2001 |
| 6062650 | Continuous control system for a mining or tunnelling machine A continuous control system for a mining or tunnelling machine having a boom (12) with a motor driven cutting head (14) at one of its ends and a rotatable turret (20) at the other end, the control system comprising angular encoders (40, 44) for continuous... | 05/16/2000 |
| 5938288 | Automatic control system and method for a machine used for excavating drifts, tunnels, stopes, or caverns An automatic control of the operation of a machine used for excavating drifts, tunnels, stopes, caverns or the like of a predetermined profile having a rotatable head (10) and cutting arms (14, 16) mounted on the head for rotation therewith, extending in ... | 08/17/1999 |
| 5501548 | Method for controlling the direction of a shield tunneling machine and an apparatus therefor When a shield tunneling machine is deviated from the scheduled line while being propelled, the deviation of the shield tunneling machine from the scheduled line is detected and according to the data obtained on the deviation of the shield tunneling machin... | 03/26/1996 |
| 5310249 | Method and apparatus for automatically controlling a mining machine Mining apparatus is disclosed in which a cutting wheel supporting a plurality of roller-cutters rotates about a horizontal axis and is supported on a slewing boom for cutting a tunnel with a flat floor and roof and elliptical walls as it slews across a mi... | 05/10/1994 |
| 5293944 | Method of automatically controlling impact ripper An impact ripper (2) mounted on the rear portion of a construction machine, such as a bulldozer (1), for digging a hard soil layer is automatically controlled to reduce the operator's fatigue, to improve operability with regard to the posture of the impac... | 03/15/1994 |
| 5186579 | Apparatus for controlling direction of underground excavator According to the present invention, there is disclosed an apparatus for controlling the direction of displacement of an underground excavator including a turnable jack to perform excavating operations in the underground region while controlling the direct... | 02/16/1993 |
| 5161857 | Teleoperated control system for underground room and pillar mining A teleoperated mining system is provided for remotely controlling the various machines involved with thin seam mining. A thin seam continuous miner located at a mining face includes a camera mounted thereon and a slave computer for controlling the miner a... | 11/10/1992 |
| 5158583 | Installation for the remote cleaning by degradation of a surface in a hostile medium with waste recovery and treatment In order to clean a surface (A) located in a hostile medium, use is made of a bush hammer (34) mounted on a remotely controlled vehicle (32). The waste produced by the bush hammer (34) is directly collected by a collecting pipe (12) connected to an exhaus... | 10/27/1992 |
| 5110187 | Apparatus for the mining of mineral matter, especially coal A mining apparatus of the type in which a mining machine excavates a mining face, especially a coal face in a subterranean mining application, and has a plurality of emitters of electromagnetic waves of different character diverging toward receivers on th... | 05/05/1992 |
| 4979575 | Method of drilling a hole-in a rock A method and an arrangement for drilling a hole in a rock (6), wherein a preliminary hole is drilled first, whereafter the drilling is interrupted. Joints between a drill boom (2) and a feeding beam (5) and/or the feeding beam (5) in its longitudinal dire... | 12/25/1990 |
| 4848485 | Method of and an arrangement for controlling rock drilling A method of and an arrangement for controlling rock drilling when a feeding beam (3) is displaced so that the forward end thereof makes contact with a rock surface to be drilled. The arrangement comprises a displacing device for displacing the feeding bea... | 07/18/1989 |
| 4770469 | Process for controlling the movement of a universally swivellable cutting arm of a partial cut cutting machine as well as apparatus for performing this process A method and apparatus for controlling the movement of a universally swivellable cutting arm of a partial cut cutting machine of the kind including a first hydraulic drive for lifting and lowering the cutting arm in order to preselect the depth of cut and... | 09/13/1988 |
| 4760513 | Resultant velocity control for members capable of being driven in two component directions simultaneously A method of and apparatus for controlling the resultant velocity of a member is provided, the resultant velocity being derived by driving the member in two component directions, simultaneously. First sensor means derive a signal indicative of the resultan... | 07/26/1988 |
| 4721340 | Process for controlling the movement of an universally swivellable cutting arm as well as control device for performing this process A process for controlling the movement of a universally swivellable cutting arm of a partial cut, cutting machine, comprising a first hydraulic drive for lifting and lowering the cutting arm, and a second hydraulic drive for swivelling the cutting arm tra... | 01/26/1988 |
| 4688937 | Methods of, and systems, for monitoring and/or controlling mobile cutting means A system serves to establish the spatial positions of a cutter head of a tunnel driving machine with precision and monitors and/or controls this position automatically. The system uses a computer-controlled laser beam scanning technique to locate the thre... | 08/25/1987 |
| 4591209 | Protecting device for partial-cut cutting machines For protecting partial-cut cutting machines from overload, a vibration sensor 7 is provided on the swivellable cutting arm 2 carrying rotatably supported cutting heads 6. The signals of the vibration sensor 7 are utilized in an electronic control 8 and us... | 05/27/1986 |
| 4556257 | Horizontal edna miner A mining machine is utilized for making original generally horizontal bores in coal steams, and for enlarging preexisting bores. A single cutting head is mounted for rotation about a first horizontal axis generally perpendicular to the dimension of elonga... | 12/03/1985 |
| 4506745 | Method and means for drilling in rocks A method of drilling long and straight holes in rocks is based on the use of a drill rig which may be aligned by means of a laser beam and which comprises a hollow drill stem with a pressure device for guiding the drill stem in a correct direction on appl... | 03/26/1985 |
| 4465155 | Automated operatorless vehicles A vehicle guidance control system is described for an operatorless vehicle comprising a sensor for determining the presence of defined points along a selected path that the vehicle is to travel, a memory having a plurality of locations, each location for ... | 08/14/1984 |
| 4351564 | Device for preventing collision between part of the cutting arm and part of the loading ramp for a cutting machine The device for preventing a collision between a part of the cutting arm (1) and a part of the loading ramp (4) comprises transmitter means (11, 12) designed as hydraulic cylinder-piston-arrangements (13, 14; 19, 21) checking the position of the cutting ar... | 09/28/1982 |
| 4345839 | Device for controlling the position of a drift advancing machine In apparatus for controlling the position of a drift advancing machine having a longitudinal axis: two light beam sources or laser beam sources spaced longitudinally from the machine, the sources emitting beams which are parallel to each other and to the ... | 08/24/1982 |
| 4323280 | Remote controlled high wall coal mining system A high wall mining system including a continuous mining machine, a remote control station outwardly of the high wall from which extend electric cables wound on cable reels which extend to the continuous mining machine enabling the operator to control the ... | 04/06/1982 |
| 4322113 | Excavating machines for excavating rock and minerals having first and second alternative modes of control A excavating machine for excavating rock and minerals from a working face having a carriage with a boom support. A cutter carrying boom is moveably supported by the boom support, and a means is provided for moving the boom relative to the carriage. A driv... | 03/30/1982 |
| 4281876 | Televised remote control system of a continuous mining machine A method of recovering particulate material from a seam of such material within the earth bounded above and below by different material which comprises the steps of positioning in mining relation to the seam a continuous mining machine having a power driv... | 08/04/1981 |
| 4261617 | Method of controlling the working motion of a cutting tool of a tunnel-driving machine over the breast, and apparatus for carrying out the method A method of controlling the working motion of a cutting tool of a tunnel-driving machine over the breast, wherein the actual position of the cutting tool is ascertained in consideration of the position of the tunnel-driving machine relative to the desired... | 04/14/1981 |
| 4195885 | Method and device for breaking a hard compact material A hard compact material, such as rock, is broken by forcing an elongated mass body of relatively incompressible fluid, such as water, against the material to be broken. The mass body is caused to impact the material at a momentum necessary for breaking th... | 04/01/1980 |
| 4192551 | Remote control system for mining machines An intrinsically safe system controls all miner hydraulic and electrical functions from a hand held miner remote control pendant. Pendant control devices provide on/off control signals to interfaces with miner drive and pump controllers, as well as a grou... | 03/11/1980 |
| 4108494 | Cutting machine A cutting machine having a universally movable cutting arm and cutting head assembly and a movable loading ramp assembly thereunder and means operatively associated with the cutting arm and loading ramp for controlling the operation thereof so as to preve... | 08/22/1978 |