Patents by Inventor Alexander C. Hunt

Alexander C. Hunt 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: 5029904
    Abstract: A coupling device for fluid conduits comprising a tubular male member and female sleeve member, each having a hose end and a coupling end, the coupling ends being adapted to couple the members to form a fluid-tight joint, a shoulder on the male member intermediate its ends, the members having aurbaces for positioning the same with the bores thereof in communication and substantial axial alignment, latching members on the sleeve member comprising a plurality of flexible fingers having radially inwardly directed lips, and cam lock comprising a lock ring positioned around the outer surface of the latching member and moveable rotationally and axially thereof through rotational force applied thereto into and out of a position wherein said lips are forced and maintained in position for a locking relationship with said shoulder, said cam lock further comprising cooperating helical cams on said latching member and said lock ring.
    Type: Grant
    Filed: January 12, 1989
    Date of Patent: July 9, 1991
    Inventor: Alexander C. Hunt
  • Patent number: 4275907
    Abstract: A quick connectable manually separable fluid conduit coupling includes a tubular male member having a tapered forward portion including a sealable bearing surface, and a radially inwardly directed shoulder adjacent the rearward part of the forward portion and adjoining a recessed circumference. A female sleeve includes plural stiff, yet resilient, substantially parallel, circumferentially disposed fingers. Radially inwardly extending lips on the fingers have latching surfaces for automatically snapping behind and grasping the shoulder of the male member upon assembly, and further have wedge surfaces radially outwardly movable by axial motion of the tapered forward portion of the male member into the female sleeve during assembly.
    Type: Grant
    Filed: May 16, 1978
    Date of Patent: June 30, 1981
    Assignee: Huntal Manufacturing Company Incorporated
    Inventor: Alexander C. Hunt