Calks Patents (Class 36/67R)
  • Patent number: 4392312
    Abstract: A molded outsole for an athletic shoe including molded, non-metallic studs or cleats includes a plurality of first substantially identical studs and a plurality of second substantially identical studs. The first studs have a shape characterized by three partially-overlapping frustoconical shapes, blended together to present an outline which does not retain dirt, in a triangular pattern, and produce a stud shorter than a second stud. The second studs have a shape characterized by a large frustoconical portion bounded by two partially-overlapping smaller frustoconical portions, of equal height, arranged to define a generally arcuate shape presenting a concave face and a convex face, the large frustoconical portion and the two small frustoconical portions being appropriately filleted to produce a smooth surface which does not retain dirt. These second studs may be oriented to support traction primarily in a predetermined direction, and to allow pivoting.
    Type: Grant
    Filed: October 14, 1981
    Date of Patent: July 12, 1983
    Assignee: Converse Inc.
    Inventors: Kevin J. Crowley, Channing Souther
  • Patent number: 4347674
    Abstract: An improved athletic shoe is disclosed which is particularly suited for use in the game of baseball. The athletic shoe comprises a sole having an upper secured to it and extending upwardly from its upper side. A first set of cleats extends downwardly from the sole and comprises at least three thin and arcuate cleats. Moreover, this first set of cleats is secured to the ball portion of the sole and positioned in a ring so that each cleat has substantially the same radius and center as each other. A second set of thin and arcuate cleats is also secured to the ball portion of the sole in a ring concentric with the first set of cleats but on a smaller radius than the first set of cleats. The first and second set of cleats provide improved pivoting for the athletic shoe.
    Type: Grant
    Filed: April 8, 1980
    Date of Patent: September 7, 1982
    Inventor: Gary F. George
  • Patent number: 4318231
    Abstract: In a jogging shoe having a rubber sole, and a mid-sole detachably secured in the soles, a stud for enabling the runner to run safely in winter under icy conditions. The stud projecting from the out-sole of the shoe.
    Type: Grant
    Filed: February 15, 1980
    Date of Patent: March 9, 1982
    Inventor: Conrad Simoneau
  • Patent number: 4107858
    Abstract: An athletic shoe is described with an outer sole having a laterally elongated matetarsal cleat of resilient material molded integral with such outer sole. The metatarsal cleat extends laterally across the entire width of the toe portion of the sole in a position immediately behind the heads of the metatarsal bones of the wearer's foot. In one embodiment the metatarsal cleat is in the form of a curved chevron including two wing shaped side portions each having curved front and rear surfaces to provide good longitudinal traction and self-cleaning action under wet condition. In additon, the chevron cleat is provided with two end portions and an intermediate porton having straight edges extending longitudinally to provide greater lateral traction. A plurality of other cleats of different shape and smaller ground engaging surface area than the metatarsal cleat are also molded integral with the outer sole.
    Type: Grant
    Filed: April 15, 1977
    Date of Patent: August 22, 1978
    Assignee: BRS, Inc.
    Inventors: William J. Bowerman, Stanley L. James, Dennis E. Vixie