Patents by Inventor Mitchell I. Elsmore

Mitchell I. Elsmore 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).

  • Punch assembly with steel punch point insert removably secured therein
    Patent number: 10265756
    Abstract: A punch assembly for a turret-type punch press includes an outer guide sleeve having an inner bore in which a punch shank fits for reciprocating but not rotating movement. The punch shank has a concentric, downward opening formed in a lower end in which is received a head portion of an insert that has a punch point formed on it. Built into the shank is a latching mechanism for releasably wedging and thereby securing the insert to the lower end of the shank.
    Type: Grant
    Filed: February 6, 2012
    Date of Patent: April 23, 2019
    Assignee: Mate Precision Tooling, Inc.
    Inventors: Bruce M. Thielges, Steve H. Thomson, Mitchell I. Elsmore
  • Punch assembly with separate adjustable punch guiding shim block
    Patent number: 9186717
    Abstract: A punch assembly for a hydraulic punch press machine that affords the ability to compensate for punch point metal loss due to resharpening by facilitating accurate repositioning of the punch point relative to an aperture in a stripper plate through which the punch point member projects during a stamping stroke of the punch assembly.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: November 17, 2015
    Assignee: Mate Precision Tooling, Inc.
    Inventors: Mitchell I. Elsmore, Dennis K. Lowry, Ronald C. Windingstad
  • Punch Assembly With Separate Adjustable Punch Guiding Shim Block
    Publication number: 20140109742
    Abstract: A punch assembly for a hydraulic punch press machine that affords the ability to compensate for punch point metal loss due to resharpening by facilitating accurate repositioning of the punch point relative to an aperture in a stripper plate through which the punch point member projects during a stamping stroke of the punch assembly.
    Type: Application
    Filed: October 19, 2012
    Publication date: April 24, 2014
    Applicant: Mate Precision Tooling, Inc.
    Inventors: Mitchell I. Elsmore, Dennis K. Lowry, Ronald C. Windingstad
  • Punch Assembly With Steel Punch Point Insert Removably Secured Therein
    Publication number: 20130199352
    Abstract: A punch assembly for a turret-type punch press comprises an outer guide sleeve having an inner bore in which a punch shank fits for reciprocating but not rotating movement. The punch shank has a concentric, downward opening formed in a lower end in which is received a head portion of an insert that has a punch point formed on it. Built into the shank is a latching mechanism for releasably wedging and thereby securing the insert to the lower end of the shank.
    Type: Application
    Filed: February 6, 2012
    Publication date: August 8, 2013
    Applicant: MATE PRECISION TOOLING, INC.
    Inventors: Bruce M. Thielges, Steve H. Thomson, Mitchell I. Elsmore