Patents Assigned to Tonka Corporation
  • Patent number: 4130963
    Abstract: The running toy with a flywheel of the invention has a toy driving unit to form a first transmission path with a first gear ratio to energize and rotate the flywheel at a high speed when driving wheels are rubbed against a floor for drive, and a second transmission path to rotate the driving wheels with the flywheel as a drive source at a speed reduced by a second gear ratio different from the first gear ratio when the drive of the driving wheels is stopped, thereby running the running toy at a speed different from the speed at time of energizing of the flywheel, a frictional rotation transmitting section provided in the second transmission path to yield a slip when the driving wheels are applied with overload.
    Type: Grant
    Filed: June 10, 1977
    Date of Patent: December 26, 1978
    Assignee: Tonka Corporation
    Inventor: Yutaka Ohashi
  • Patent number: 4021961
    Abstract: In a miniature toy vehicle a chassis extending in a fore and aft direction relative to the intended direction of travel, said chassis having a pair of transversely aligned downwardly opening notches and a hook member depending from the chassis between the notches and adapted to retain a wheel holding axle in said notches, said hook member being of flexible material and having a beveled bottom face allowing the axle to be forced upwardly into the notches and over the hook member.
    Type: Grant
    Filed: January 14, 1976
    Date of Patent: May 10, 1977
    Assignee: Tonka Corporation
    Inventor: Thomas W. Good
  • Patent number: 4020587
    Abstract: A plow for a miniature toy vehicle having a front wheel axle wherein a plow blade extending transversely across the front of the vehicle is fixed to a bracket which extends rearwardly under the vehicle. The bracket has a pair of side plates each of which has a slot receiving the front wheel axle and the slots have vertically spaced notches for adjustment of the plates and the plow blade between upper and lower positions with spring means connecting the axle to the bracket to yieldably retain the bracket in either selected adjusted position.
    Type: Grant
    Filed: February 4, 1976
    Date of Patent: May 3, 1977
    Assignee: Tonka Corporation
    Inventor: Gerald A. Cuhel
  • Patent number: 3986294
    Abstract: A miniature toy fork lift vehicle having a body supported on ground wheels, an upright frame mounted on the front portion of the body and having a pair of upright parallel guide rails spaced transversely of the vehicle, a lift fork including a carrier mounted on the guide rails for vertical sliding movement, an upright screw member disposed between the guide rails and journaled in the upright frame and having a threaded portion in threaded engagement with the carrier to raise and lower the lift fork as the screw is turned. The guide rails form a roll cage over an operator's station. The lift fork may be pivoted to an inactive position to reduce the vehicle length for packaging or storage.
    Type: Grant
    Filed: January 15, 1975
    Date of Patent: October 19, 1976
    Assignee: Tonka Corporation
    Inventors: Lee J. Pfeilsticker, Vernon R. Wamsley, Thomas W. Good
  • Patent number: 3962820
    Abstract: A connection for use in connecting a rigid sheet material part in a toy vehicle with a relatively more resilient part wherein the rigid part is provided with a round aperture and the resilient part has an expansion collar thereon which is somewhat greater in diameter than the aperture but which can be forced therethrough in a contracted condition, and a third member which is inserted axially into the collar to retain it in an expanded condition to prohibit its removal from the aperture.
    Type: Grant
    Filed: January 6, 1975
    Date of Patent: June 15, 1976
    Assignee: Tonka Corporation
    Inventors: Thomas W. Good, Bernard J. Dehner
  • Patent number: 3953937
    Abstract: A panel for a toy vehicle truck box or the like wherein one edge of the panel interlocks with one wall of the box against outward removal therefrom and the opposing edge of the panel has an apertured tab adapted to be secured by a fastener such as a rivet to the wall of the box opposing said one wall.
    Type: Grant
    Filed: December 9, 1974
    Date of Patent: May 4, 1976
    Assignee: Tonka Corporation
    Inventor: Lee J. Pfeilsticker
  • Patent number: 3942285
    Abstract: A miniature toy vehicle having an elongated body and two or more wheel and axle assemblies disposed on the underside of the body in longitudinally spaced positions with the axles disposed transversely of the body in parallelism and being seated in notches in the body, and a pan extending along the underside of the body between the wheels to hold the axles in said notches with the ends of the pan being secured to the body.
    Type: Grant
    Filed: January 6, 1975
    Date of Patent: March 9, 1976
    Assignee: Tonka Corporation
    Inventor: Bernard J. Dehner
  • Patent number: D243546
    Type: Grant
    Filed: May 5, 1975
    Date of Patent: March 1, 1977
    Assignee: Tonka Corporation
    Inventor: Vernon A. Peterson
  • Patent number: D247517
    Type: Grant
    Filed: January 19, 1976
    Date of Patent: March 14, 1978
    Assignee: Tonka Corporation
    Inventor: Bernard J. Dehner