Patents by Inventor Carl L. Roach

Carl L. Roach 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: 4133114
    Abstract: A conventional butt hinge including a pair of first and second relatively swingable superposed hinge leaves is provided and the leaves include registered sets of apertures formed therethrough with the adjacent ends of registered apertures being countersunk. A thick backing plate overlies the side of the first leaf remote from the second leaf and is provided with threaded bores aligned with the registered apertures formed in the leaves. Threaded studs are threadedly engaged in the threaded bores with one set of corresponding ends of the studs flush with the side of the backing plate remote from the hinge and the other set of ends of the threaded studs are sharpened and project outwardly from the ends of the apertures opening outwardly of the side of the second leaf remote from the first leaf. Threaded nuts having rounded opposite ends are threaded onto the studs between the hinge leaves and are received in the countersunk ends of the registered apertures.
    Type: Grant
    Filed: May 23, 1977
    Date of Patent: January 9, 1979
    Inventor: Carl L. Roach