Patents by Inventor Perrin L. Halley

Perrin L. Halley 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: 5235724
    Abstract: This invention pertains to a retractable roller-hinge assembly for use with retractable overhead doors. More particularly, this invention relates to a novel roller-hinge assembly which when installed on conventional retractable overhead doors, such as garage doors warehouse doors or truck doors, enables the door panels to pull away more quickly from the door frame as the overhead door is raised, or lowered. A hinge assembly for connecting upper and lower panels of a retractable overhead door comprising: (a) upper devices for securing to the upper panel; (b) lower devices adapted for securing to the lower panel, the lower devices being hingedly connected by a pivotal axis to the upper devices; (c) roller and roller axle devices rotatably connected to the upper devices, said roller and axle devices being adapted to move towards the lower devices as the upper devices are pivoted about the pivotal axis.
    Type: Grant
    Filed: September 9, 1991
    Date of Patent: August 17, 1993
    Inventors: Donald E. Perrin, Perrin L. Halley