Patents by Inventor Cecil V. Peake

Cecil V. Peake has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Longwall mining system
    Patent number: 4382633
    Abstract: A longwall mining system includes a bidirectional shearer and a roof supporting structure. The shearer includes a pair of angled floor drums, a pivotable roof drum and a loading conveyor. Each drum has a plurality of picks disposed about the drum surface for cutting a material to be mined and a plurality of vanes disposed on the drum surface for carrying the cut material to the loading conveyor. The roof supporting structure includes a load carrying shield which is braced by a pair of supports. The supports are located under the shield in a position between the shearer and a face conveyor. The face conveyor, which is fed by the loading conveyor, carries the mined material to main conveyor for haulage to the outside.
    Type: Grant
    Filed: February 24, 1981
    Date of Patent: May 10, 1983
    Assignee: Foster-Miller Associates, Inc.
    Inventors: Jonathan E. Ludlow, Cecil V. Peake, Paul J. Guay