Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 7523996 | Auger car bearing support An auger shaft bearing support includes a multi-part inner bearing, a multi-part outer bearing, and a multi-part housing. The inner bearing is secured to the auger shaft and rotates with the auger shaft. The inner bearing has an outer surface that is received in the... | 04/28/2009 |
| 7461902 | Auger car bearing support An auger shaft bearing support includes a multi-part inner bearing, a multi-part outer bearing, and a multi-part housing. The inner bearing is secured to the auger shaft and rotates with the auger shaft. The inner bearing has a partial spherical outer surface that i... | 12/09/2008 |
| 7117952 | Automated attachment vibration system One embodiment of the present invention pertains to a system, including a mechanical arm, an attachment member, an actuator, a power system, an electronic control, and an operator interface. The attachment member is tiltably mounted on the mechanical arm about a piv... | 10/10/2006 |
| 7059072 | Subsoiling excavator bucket An excavator bucket adapted to receive subsoiler shanks and an optional coulter blade enables multiple treatment of compacted soil. In a preferred embodiment, the shanks depend downward below the bucket and curve forward toward the bottom of the bucket. The shanks a... | 06/13/2006 |
| 6979152 | Intake nozzle for vacuum conveyor An intake conduit apparatus comprises an intake conduit adapted at a downstream output end thereof for connection to an intake of a vacuum conveyor, and adapted at an upstream input end thereof to facilitate entry of granular material. Ramps slope inward and downstr... | 12/27/2005 |
| 6652035 | Highwall mining system A highwall mining system of the type wherein multiple conveyor cars are connected together to form a conveyor train which extends into a seam being mined by a mechanical miner located at the inner end of the conveyor train is capable of effective operatio... | 11/25/2003 |
| 6422374 | Power and control system for a mobile conveyor system A mining conveyor system that advances into a mine behind a continuous mining device. The mining conveyor system has a plurality of conveyance units connected to each other in a train-like fashion. Each conveyance unit conveys mined material to the next c... | 07/23/2002 |
| 6220670 | Method and apparatus for remote self-propelled conveying in mineral deposits A method and apparatus for mining of aggregate 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 advancing and steering arrangement for the mining apparatus. ... | 04/24/2001 |
| 6042191 | High wall mining system A conveyor unit for a high wall mining system; a mining system employing a train of such units. The conveyor units are pushed in tandem into the mine. The system contemplates a motor mounted on a cutter at the head of the train; through a series of shafts... | 03/28/2000 |
| 5967616 | Electrical control system for apparatus and method for continuous underground mining Apparatus for controlling the operation of an underground mining system including a continuous miner, a roof bolting machine, a tramming conveyor and a control cab operatively connected to the tramming conveyor. The apparatus includes a master computer pr... | 10/19/1999 |
| 5938289 | High wall mining conveyor system A conveyor unit for a high wall mining system; a mining system employing a train of such units. The conveyor units are pushed in tandem into the mine. The system contemplates a motor mounted on a cutter at the head of the train; through a series of shafts... | 08/17/1999 |
| 5848825 | High wall mining conveying method A conveyor unit for a high wall mining system; a mining system employing a train of such units. The conveyor units are pushed in tandem into the mine. The system contemplates a motor mounted on a cutter at the head of the train; through a series of shafts... | 12/15/1998 |
| 5820223 | Inertization system for highwall mining A highwall mining system for mining aggregate material from a seam (8) includes a mining device (9) for cutting aggregate material from the seam (8) thereby to form a drive (10) in the seam (8), a conveying device (11) for conveying mined aggregate materi... | 10/13/1998 |
| 5810447 | Apparatus and method for continuous mining Apparatus for controlling the operation of a mining system including a continuous miner, a tramming conveyor and a load-out vehicle operatively connected to the tramming conveyor. The apparatus includes a master computer processor on the continuous miner ... | 09/22/1998 |
| 5802747 | Crusher A driving device of a jaw crusher of attachment type comprising a hydraulic cylinder having a rod connected with a movable member; a hydraulic source provided on a body of a hydraulic excavator having a mobile travel device; and a control mechanism for su... | 09/08/1998 |
| 5692807 | Highwall mining apparatus An apparatus for mining aggregate material from a partially exposed seam adjacent a bench on a surface mine and which extends from the bench at an elevation and angle relative to the bench, The apparatus includes a self-propelled mining machine for dislod... | 12/02/1997 |
| 5645158 | Extensible continuous haulage system An extensible conveyor apparatus and method for a continuous haulage system and continuous conveyor belt are disclosed for carrying coal or ore discharged from a continuous miner. A top roller combination supports the coal-carrying or ore-carrying continu... | 07/08/1997 |
| 5609397 | Highwall mining system with driven conveyor units A highwall mining system for mining aggregate material from a seam includes both a mining device for cutting aggregate material from the seam and thereby forming a drive in the seam and a conveying device for conveying mined aggregate material from the dr... | 03/11/1997 |
| 5590757 | Extensible continuous haulage system An extensible conveyor apparatus and method for a continuous haulage system and continuous conveyor belt are disclosed for carrying coal or ore discharged from a continuous miner. A top roller-slider combination supports the coal-carrying or ore-carrying ... | 01/07/1997 |
| 5404660 | Mechanism for supporting an earthworking etc. tool A mechanism (22) for supporting an earthworking tool from a vehicle such as a front end-loader (21) includes: (i) a primary support structure (23) adapted to be pivotally attached, in a readily releasable manner, about a generally upright, slewing axis (2... | 04/11/1995 |
| 5364171 | Apparatus and method for continuous mining An apparatus for mining aggregate material from a seam includes a miner for cutting material from the seam and a conveyor for conveying the won aggregate material from the miner for recovery. The conveyor is formed by a series of individual conveyor units... | 11/15/1994 |
| 5232269 | Launch vehicle for continuous mining apparatus A launch vehicle is provided for a continuous mining system including modular conveyor units that may be connected together to form a conveyor train. The launch vehicle includes an elongated frame that holds a belt conveyor for conveying aggregate materia... | 08/03/1993 |
| 5152583 | Continuous-operation extraction machinery for strip mining with a cylindrical extractor A continuous-operation extraction apparatus for strip mining that is self propelled on continuous track treads. A cylindrically-shaped cutting extractor has cutting tools arranged on its peripheral surface. Recesses are provided in this peripheral surface... | 10/06/1992 |
| 5120112 | Vane type conveyor for a mining machine drum A continuous mining machine has a drum assembly rotatably supported thereon generally transversely to the axis of the mining machine frame. The drum member has a cylindrical outer surface supporting cutter bits for sumping into the mine face. Between the ... | 06/09/1992 |
| 5112111 | Apparatus and method for continuous mining An apparatus for mining aggregate material from a seam includes a miner for cutting material from the seam and a conveyor for conveying the won aggregate material from the miner for recovery. The conveyor is formed by a series of individual conveyor units... | 05/12/1992 |
| 5072994 | Shearing machine with movable shearing drum and conveyor A shearing machine with shearing heads or drums rotatably mounted on a luffable shearing arm and a loading ramp or a conveyor running in the direction of the heading face for receiving and conveying away the sheared material. The loading ramp or the conve... | 12/17/1991 |
| 5060405 | Material moving apparatus A bucket loader wherein the bucket is pivotally mounted at one end of an arm. The other end of the arm is pivotably connected to the locomotive of a multiple-trolley train which is mounted for travel along an overhead monorail in a surface mine or in an u... | 10/29/1991 |
| 5013093 | Universal ripper miner A universal ripper miner used to cut, collect and transfer material from an underground mine working face includes a cutter head that is vertically movable in an arcuate cutting cycle by means of drive members, such as hydraulically actuated pistons. The ... | 05/07/1991 |
| 4998777 | Coal-cutting machine having horizontally swivellable jib boom and vertically swivellable loading means A coal-cutting machine (1) having an all-round swivelling jib boom (6), on which cutting implements (17) are rotatably supported, and a loading platform (3) comprising a loading platform which can swivel about an axis (4) extending transversely to the lon... | 03/12/1991 |
| 4986412 | Extensible conveyor system An extensible conveyor for following a continuous tunneling or mining machine. The conveyor frame is made up of identical modules which can be added end to end at the end of the frame, the modules including return reach rollers. A separate carriage frame ... | 01/22/1991 |
| 4959915 | Impact bucket apparatus Impact buckets are useful, for example, in fracturing rock and other hard material which is to be excavated. Known systems using vibrating mechanisms which are mechanically coupled to a cutting edge assembly do not produce forces high enough to efficientl... | 10/02/1990 |
| 4946227 | Bucket wheel assembly A bucket wheel assembly for excavating solid material from the ground which can be slurried with water has a series of buckets mounted on a framework rotatable about a substantially horizontal axis, the buckets, being secured to the framework at spaced po... | 08/07/1990 |
| 4890720 | Extensible conveyor system An extensible conveyor for following a continuous tunneling or mining machine. The conveyor frame is made up of identical modules which can be added end to end at the end of the frame, the modules including return reach rollers. A separate carriage frame ... | 01/02/1990 |
| 4886396 | Existing pipeline renewing method and apparatus therefor A method for renewing an existing pipeline comprises the steps of advancing a shield tunnelling machine from one end of an existing pipe defining the existing pipeline to the other end thereof, excavating at least the existing pipe by the machine and disp... | 12/12/1989 |
| 4878714 | Cutting machine for cutting and carrying away material from a work face Then invention relates to a cutting machine having cutting heads or drums which are supported to be freely rotating on a pivoting cutting arm, with a loading ramp or conveyor which extends in the direction to the work face to receive and transport the cut... | 11/07/1989 |
| 4818026 | Shield type tunneling apparatus A shield type tunneling apparatus comprises: a shield body having in its front portion a cutter-head compartment for digging a tunnel through bedrock, the cutter-head compartment being rotatably driven by a driving unit; and a transporting means for disch... | 04/04/1989 |
| 4790395 | Pipe-driving apparatus Pipe-driving apparatus used to create a pipe line of small diameter uses a pressing station in an access trench to drive in pipe sections one by one. A boring head and conveyor worm operates at the front of the pipe line in a working pipe section on which... | 12/13/1988 |
| 4785560 | Continuous excavating apparatus An excavating apparatus for breaking and removing material away from an upright face of material is disclosed. The apparatus includes a rotary cutting head mounted between the fore ends of a pair of boom arms. The boom arms are pivotally mounted relative ... | 11/22/1988 |
| 4763955 | Pitch seam mining A miner, and method of mining, are provided for pitch seam mining of coal. The cutting heads powered from a power source at the mouth of the seam are introduced into the seam with a desired angle of inclination, and a chain conveyor with conveying element... | 08/16/1988 |
| 4688855 | Drift advancing or exploiting machine A mine drift advancing machine includes a cutting arm pivoted at its rear end to the machine chassis for movement about a horizontal axis and at its front end supporting a carrier which is pivoted to the arm for movement about a vertical axis. At least tw... | 08/25/1987 |
