Transverse Endless Digger Patents (Class 37/388)
  • Patent number: 7454851
    Abstract: In a chain excavator including an excavation chain with links routed around a drive sprocket and an end idler with a base plate mounted to a link for supporting excavation implements, a stabilizing element extends rearwardly from directly behind the excavation implement in order to contact and be supported by its trailing base plate.
    Type: Grant
    Filed: September 7, 2007
    Date of Patent: November 25, 2008
    Assignee: Vermeer Manufacturing Company
    Inventors: Dean Whitten, Dan Hawks, Mark Cooper
  • Patent number: 7409785
    Abstract: In a chain excavator including an excavation chain with links routed around a drive sprocket and an end idler with a base plate mounted to a link for supporting excavation implements, a stabilizing element extends rearwardly from directly behind the excavation implement in order to contact and be supported by its trailing base plate.
    Type: Grant
    Filed: May 9, 2006
    Date of Patent: August 12, 2008
    Assignee: Vermeer Manufacturing Company
    Inventors: Dean Whitten, Dan Hawks, Mark Cooper
  • Patent number: 7055270
    Abstract: In a chain excavator including an excavation chain with links routed around a drive sprocket and an end idler with a base plate mounted to a link for supporting excavation implements, a stabilizing element extends rearwardly from directly behind the excavation implement in order to contact and be supported by its trailing base plate.
    Type: Grant
    Filed: October 12, 2004
    Date of Patent: June 6, 2006
    Assignee: Vermeer Manufacturing Co.
    Inventors: Dean Whitten, Dan Hawks, Mark Cooper