Patents by Inventor Ernst Zangerle

Ernst Zangerle 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).

  • Apparatus for measuring and regulating the position of a wire end of a spiral spring in a coiling machine
    Patent number: 4476702
    Abstract: A machine for producing spiral springs whose ends are twisted around the adjacent coils includes inductive proximity switches 18, 19 for sensing the position of the wire end 3a of each spring 3 conveyed from a coil forming station A. The measurement results are fed to a preselector counter 21, and when deviations from the correct wire length exceed a certain predetermined number a regulating motor 23 adjusts a tool which determines the coil diameter of the spring.
    Type: Grant
    Filed: February 28, 1983
    Date of Patent: October 16, 1984
    Assignee: Spuhl AG
    Inventor: Ernst Zangerle
  • Apparatus for feeding spiral wire springs from coiling machines to a spring core assembly machine
    Patent number: 4413659
    Abstract: Rows of springs are periodically supplied to a mattress spring core assembly machine 7 by a transfer system 6. The springs are taken, in turn, from one of two conveyor belt pairs 4, 5 by the transfer system. The individual springs are produced by spring coiling machines 1, 2 with each machine feeding one conveyor belt pair. By periodically shifting the transfer system 6 its gripping arms 20 can alternately take a row of springs from one or the other conveyor belt pair, thus doubling the overall production rate.
    Type: Grant
    Filed: December 28, 1981
    Date of Patent: November 8, 1983
    Assignee: Spuhl AG
    Inventor: Ernst Zangerle