Patents by Inventor Sam Lawson

Sam Lawson 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: 9802257
    Abstract: A chuck assembly comprising a mandrel portion including an extending member sized and shaped to hold a workpiece; and a piston including a bore receiving the extending member, the piston mounted for supported movement on and relative to the extending member, the piston moving between a first position and a second position, the first position providing for insertion and removal of the workpiece to and from the extending member, the second position causing gripping force to be applied to the workpiece in at least two locations that are spaced longitudinally along the workpiece to inhibit relative movement between the mandrel and the workpiece.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: October 31, 2017
    Assignee: Cummins Inc.
    Inventors: Marian Trocki, Sam Lawson
  • Publication number: 20150183030
    Abstract: A chuck assembly comprising a mandrel portion including an extending member sized and shaped to hold a workpiece; and a piston including a bore receiving the extending member, the piston mounted for supported movement on and relative to the extending member, the piston moving between a first position and a second position, the first position providing for insertion and removal of the workpiece to and from the extending member, the second position causing gripping force to be applied to the workpiece in at least two locations that are spaced longitudinally along the workpiece to inhibit relative movement between the mandrel and the workpiece.
    Type: Application
    Filed: March 12, 2015
    Publication date: July 2, 2015
    Inventors: Marian Trocki, Sam Lawson
  • Publication number: 20110210523
    Abstract: The disclosure provides a chuck assembly for precisely holding a workpiece, such as a tool or part. The chuck assembly includes a piston mounted for movement and a set of jaws mounted for pivotal movement. Movement of the piston causes pivotal movement of the set of jaws.
    Type: Application
    Filed: November 3, 2010
    Publication date: September 1, 2011
    Applicant: CUMMINS INTELLECTUAL PROPERTIES, INC.
    Inventors: Marian Trocki, Sam Lawson