Patents by Inventor Michael W. Rindfuss

Michael W. Rindfuss 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).

  • Patent number: 8024952
    Abstract: In a multi-station forging machine having a stationary die breast and a reciprocating slide moveable in a direction towards and away from the die breast, the slide carrying a tool holder at a workstation, a tool case moveable back and forth on the tool holder in the direction of slide movement, tool segments carried in the tool case and moveable between open and closed positions, a pivotal lever carried on the slide having one portion engaging a rearwardly facing surface adjacent a rear of the tool case, a pivot surface around which said lever pivots, and another portion on a part of the lever extending from the pivot surface remote from the one portion, a high force spring mounted on the die breast, the spring being arranged to apply a high biasing force to said other lever portion when the slide is near or at front dead center, the lever transferring said biasing force to said tool case to bias said tool case forwardly.
    Type: Grant
    Filed: March 26, 2008
    Date of Patent: September 27, 2011
    Assignee: National Machinery LLC
    Inventors: Todd Hossler, Michael W. Rindfuss
  • Publication number: 20090241633
    Abstract: In a multi-station forging machine having a stationary die breast and a reciprocating slide moveable in a direction towards and away from the die breast, the slide carrying a tool holder at a workstation, a tool case moveable back and forth on the tool holder in the direction of slide movement, tool segments carried in the tool case and moveable between open and closed positions, a pivotal lever carried on the slide having one portion engaging a rearwardly facing surface adjacent a rear of the tool case, a pivot surface around which said lever pivots, and another portion on a part of the lever extending from the pivot surface remote from the one portion, a high force spring mounted on the die breast, the spring being arranged to apply a high biasing force to said other lever portion when the slide is near or at front dead center, the lever transferring said biasing force to said tool case to bias said tool case forwardly.
    Type: Application
    Filed: March 26, 2008
    Publication date: October 1, 2009
    Applicant: NATIONAL MACHINERY LLC
    Inventors: Todd Hossler, Michael W. Rindfuss