Patents by Inventor Keith MacBain

Keith MacBain 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: 10487874
    Abstract: A release mechanism for a transport carriage used to move an elongated beam or truss is constructed using a non-linear bearing mounted on the carriage and connected to the truss and including upper and lower bearing mounting surfaces having complementary arcuate surfaces and a layer of layers of lower friction bearing material between them. The upper and lower bearing mounting surfaces being arranged to allow one plate to move relative to the other in an arcuate path in the direction of the space of the beam or truss.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: November 26, 2019
    Assignee: GEIGER GOSSEN CAMPBELL ENGINEERS P.C.
    Inventors: Keith MacBain, Timothy Mills, David Campbell
  • Publication number: 20180058500
    Abstract: A release mechanism for a transport carriage used to move an elongated beam or truss is constructed using a non-linear bearing mounted on the carriage and connected to the truss and including upper and lower bearing mounting surfaces having complementary arcuate surfaces and a layer of layers of lower friction bearing material between them. The upper and lower bearing mounting surfaces being arranged to allow one plate to move relative to the other in an arcuate path in the direction of the space of the beam or truss.
    Type: Application
    Filed: August 29, 2017
    Publication date: March 1, 2018
    Inventors: Keith MacBain, Timothy Mills, David Campbell