Patents by Inventor William R. Trimmer

William R. Trimmer 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).

  • Locking mast and stop ring assembly
    Patent number: 4663900
    Abstract: A locking assembly (35) for telescoping masts (10) having at least first and second tubes (12,13), the second tube (13) fitting within the first tube (12). The assembly includes sleeve means (36) encompassing one end (59) of the second tube (13) and rigidly affixed thereto, cap means (58) affixed to the second tube (13) below the sleeve means (36) forming an air tight seal within the first tube (12), stop ring means (38) carried above the sleeve means (36) and encompassing the second tube (13), recess means (68) formed by the sleeve means (36) and the stop ring means (38) and locking collar means (20) rigidly affixed to a first end (43) of the first tube (12) providing at least one movable member (76) engageable with the recess means (68).
    Type: Grant
    Filed: December 16, 1985
    Date of Patent: May 12, 1987
    Assignee: Singer Products Corporation
    Inventors: Roger P. Rehm, William R. Trimmer