Toy racing set

Details Toy racing set Toy racing set

1991-01-25

1992-08-25

Hafer, Robert A.

Amusement devices: toys

Rolling or tumbling

Including extrinsic guide or means cooperable with extrinsic...

446431, A63H 1800

Patent

active

051414694

ABSTRACT:
A toy racing set includes an endless track and a remote-controlled self-propelled wireless racing toy adapted to travel around the track in a predetermined direction. The track includes a number of curved and straight sections connected to one another in such a manner as to establish a desired closed-loop race course. The straight sections of the track have a plurality of linear grooves extending generally parallel to the travel direction of the racing toy. The curved sections have a plurality of discontinuous turning grooves which are oriented at an angle from an outside portion of the curved section towards an inside portion of the curved section with respect to the predetermined travel direction of the racing toy as the racing toy enters the curved section from an adjacent straight section. The racing toy is of the single-channel variety (i.e., having only speed control available through the remote control unit) and is provided with a pair of wheels which are steerably turnable by a downwardly extending guide brush. The guide brush is adapted to being guided within one of the grooves in the track as the racing toy travels around the track. In this regard, frictional engagement between the brush and the angled turning grooves varies in response to speed of the racing toy. Therefore, at a relatively high speed of travel, the brush slides over the discontinuous angled turning grooves whereby no turning movement is imparted to the racing toy, but at relatively low speed of travel the brush is engaged within and follows one of the angled turning grooves whereby turning movement is imparted to the racing toy.

REFERENCES:
patent: 2537281 (1951-01-01), Roshak
patent: 3447257 (1969-06-01), Ieda
patent: 3466043 (1969-09-01), McRoskey et al.
patent: 4147351 (1979-04-01), Saito
patent: 4156987 (1979-06-01), Lahr
patent: 4382599 (1983-05-01), Tilbor

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