Patents by Inventor Dwight E. Hibbs

Dwight E. Hibbs 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: 7182308
    Abstract: An assembly (20) for releasably interconnecting a pair of concrete form panels (22, 24) having adjacent, apertured walls (30) is provided which completely eliminates loose parts and significantly reduces panel setup and knock-down times. The assembly (20) includes an elongated pin (38) axially shiftable between extended and retracted positions, as well as an elongated connection arm (88) of length to bridge the adjacent walls (30) and engage the remote surface of the wall (30). An operating mechanism (42) is operatively coupled with pin (38) and arm (88). A latch assembly (96) serves to releasably maintain the pin (38) and arm (88) in their respective positions. Preferably, the pin 38 is mounted on a body (36) shiftable along a track (46); the latch assembly (96) is also supported on the body (36) to insure that the operating mechanism (42) can be properly latched in the retracted and extended positions of the pin (38).
    Type: Grant
    Filed: August 29, 2003
    Date of Patent: February 27, 2007
    Assignee: Precise Forms, Inc.
    Inventors: Douglas E. Trimmer, Danny R. Dugger, Dwight E. Hibbs, Launnie Kelmel, James L. Brockman
  • Patent number: 5759429
    Abstract: An assembly (20) for releasably interconnecting a pair of concrete form panels (28, 28a) having adjacent, apertured walls (30, 30a) is provided which completely eliminates loose parts and significantly reduces panel setup and knock-down times. The assembly (20) includes an elongated pin (22) axially shiftable between extended and retracted positions, as well as an elongated connection arm (24) of length to bridge the walls (30, 30a) and engage a surface (44a) of one wall (30a). An operating mechanism (70) is operatively coupled with pin (22) and arm (24) and serves to draw the walls (30, 30a) together when pin (22) is extended through the wall apertures (32, 32a). A latch assembly (96) serves to releasably maintain the pin (22) and arm (24) in their respective positions.
    Type: Grant
    Filed: March 19, 1996
    Date of Patent: June 2, 1998
    Assignee: Precise Forms, Inc.
    Inventors: Douglas E. Trimmer, Dwight E. Hibbs, James Otto Mittelstadt
  • Patent number: 5251868
    Abstract: An improved, lightweight, retrofittable pin assembly (10) for the releasable interconnection of end-to-end abutting concrete form panels (12, 14) is provided which includes an elongated, tapered, axially shiftable pin (16) as well as coupler (18) for coupling the pin to an end wall (24) of a panel (12). The coupler (18) includes a resilient metallic retaining ring (58) which frictionally and compressively engages the pin in substantial alignment with an associated aperture (27) in end wall (24). The pin (16) preferably includes a pair of elongated, opposed sots (34, 36), and a two-piece, split tab washer (60) is employed for preventing complete detachment of the pin (16) from assembly (10) during use thereof.
    Type: Grant
    Filed: April 20, 1992
    Date of Patent: October 12, 1993
    Assignee: Precise Forms, Inc.
    Inventors: James E. Trimmer, Dwight E. Hibbs