Patents by Inventor Tracy Burcham

Tracy Burcham 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).

  • Thin-walled brake diaphragm
    Patent number: 6647860
    Abstract: A fabric reinforced, resilient brake diaphragm for use in a fluid pressure operated braking system is provided. The diaphragm comprises an annular outer flange for engaging the housing of the braking system, a bottom planar wall having an interior surface for engaging the piston of the braking system, an annular sidewall connecting the outer flange and the bottom planar wall and a plurality of spaced planar tabs disposed on the interior surface of the bottom planar wall extending radially from the intersection between the annular sidewall and the bottom planar wall toward the center of the interior surface. The diaphragm has a thin-walled construction with the bottom planar wall and annular sidewall having a thickness of between approximately 0.06 inches and approximately 0.10 inches.
    Type: Grant
    Filed: January 18, 2001
    Date of Patent: November 18, 2003
    Assignee: Longwood Industries, Inc.
    Inventors: Robert M. Savel, Tracy Burcham, Niranjan Haralalka
  • Thin-walled brake diaphragm
    Publication number: 20010001378
    Abstract: A fabric reinforced, resilient brake diaphragm for use in a fluid pressure operated braking system is provided. The diaphragm comprises an annular outer flange for engaging the housing of the braking system, a bottom planar wall having an interior surface for engaging the piston of the braking system, an annular sidewall connecting the outer flange and the bottom planar wall and a plurality of spaced planar tabs disposed on the interior surface of the bottom planar wall extending radially from the intersection between the annular sidewall and the bottom planar wall toward the center of the interior surface. The diaphragm has a thin-walled construction with the bottom planar wall and annular sidewall having a thickness of between approximately 0.06 inches and approximately 0.10 inches.
    Type: Application
    Filed: January 18, 2001
    Publication date: May 24, 2001
    Inventors: Robert M. Savel, Tracy Burcham, Niranjan Haralalka
  • Thin-walled brake diaphragm
    Patent number: 6212996
    Abstract: A fabric reinforced, resilient brake diaphragm for use in a fluid pressure operated braking system is provided. The diaphragm comprises an annular outer flange for engaging the housing of the braking system, a bottom planar wall having an interior surface for engaging the piston of the braking system, an annular sidewall connecting the outer flange and the bottom planar wall and a plurality of spaced planar tabs disposed on the interior surface of the bottom planar wall extending radially from the intersection between the annular sidewall and the bottom planar wall toward the center of the interior surface. The diaphragm has a thin-walled construction with the bottom planar wall and annular sidewall having a thickness of between approximately 0.06 inches and approximately 0.10 inches.
    Type: Grant
    Filed: June 25, 1999
    Date of Patent: April 10, 2001
    Assignee: Longwood Industries, Inc.
    Inventors: Robert M. Savel, Tracy Burcham, Niranjan Haralalka