Amusement devices: toys – Rolling or tumbling – Including intrinsic motive power means for propulsion
Patent
1988-09-09
1989-11-07
Hafer, Robert A.
Amusement devices: toys
Rolling or tumbling
Including intrinsic motive power means for propulsion
446443, 446470, 74335, 74354, A63H 2924, A63H 2920, A63H 1726, F16H 334
Patent
active
048788775
ABSTRACT:
A power module which when plugged into an open compartment in the body of a motorless toy vehicle acts to motorize the vehicle, the compartment being disposed above a coupling gear which is operatively linked to a wheel or other means to propel the vehicle. Pivotally supported within the case of the module is a DC motor and a gear assembly having attached thereto a control lever. A battery supply housed in the case is connected to the motor through a normally open switch that closes to power the motor when the control lever which normally is in a neutral mode, is shifted either to a forward mode in which the assembly is then inclined to drive the vehicle in the forward direction, or to a reverse mode in which the assembly is then oppositely inclined to drive the vehicle in the reverse direction. The assembly includes a worm gear on the motor shaft and a pair of drive pinions engaging the worm gear on either side thereof whereby the pinions are caused to rotate concurrently in opposite directions. In the neutral mode, neither pinion engages the coupling gear and the vehicle is then free wheeling. In the forward mode, the coupling gear is engaged by only one drive pinion to cause forward motion of the vehicle, and in the reverse mode, the coupling gear is engaged only by the other drive pinion to cause reverse motion of the vehicle.
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"In New Products", Product Engineering, vol. 30, No. 1, p. 53.
Auer Robert T.
Reina David
Buddy L Corporation
Ebert Michael
Hafer Robert A.
Muir D. Neal
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