Patents by Inventor Joseph Eldridge

Joseph Eldridge 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).

  • Publication number: 20070113752
    Abstract: A toggle slide-plate for use in a spike-pulling machine, where the toggle slide-plate is configured for aiding in supporting the movement of a pair of pivotable arms each having a spike-pulling claw configured for removing a spike from a railroad tie, the pair of pivotable arms being configured for moving in a direction perpendicular to a longitudinal axis of a rail and the toggle plate being configured for preventing twisting of the pair of pivotable arms, the toggle slide-plate including: a mid-plate having a first end and a second end, a first endplate connected to the first end, a second endplate connected to the second end, and a wear pad secured to each of the first endplate and the second endplate.
    Type: Application
    Filed: November 21, 2005
    Publication date: May 24, 2007
    Inventor: Joseph Eldridge