Collapsible toy automobile race course

Railways: surface track – Portable track – Simulated roadbeds

Patent

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Details

238 10F, 446168, A63H 1802

Patent

active

045851662

ABSTRACT:
A collapsible toy automobile race course having a spiral track with an arrangement for biasing the track to act as a spring having a relaxed essentially collapsed position and an extended taut position, and a post for holding the track in an extended position so that one end of the track is higher than the other end, and an arrangement for reversing the direction of an automobile traveling thereon at one end of the track.

REFERENCES:
patent: 2992598 (1962-07-01), Einfalt
patent: 3703989 (1972-11-01), Tomiyama
patent: 3726476 (1973-04-01), Porter et al.
patent: 4140276 (1979-02-01), Halford
patent: 4449665 (1984-05-01), Goldfarb et al.
patent: 4521206 (1985-06-01), Saffer et al.

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