Reversible race track system

Details Reversible race track system Reversible race track system

1996-01-22

1997-08-19

Le, Mark T.

Railways

Portable elevated

104125, 104140, 10413009, 238 10F, 238 10A, E01B 2300

Patent

active

056576951

ABSTRACT:
A reversible track section for a toy car circuit. The reversible track section has a length, two opposite ends, two opposite sides, a top surface and a bottom surface. The reversible track section includes a thin, elongated plate including a central recess on the top surface. The central recess is of given height and rectangular cross-section and extends over the length defining two narrow pathways on the bottom surface, and includes a pair of longitudinal flanges on each of the opposite sides extending perpendicular to the top surface and towards the bottom surface. The longitudinal flanges are of the same height as the central recess and each is provided with an integral, outwardly projecting extension of constant width. The extension has a top surface, a bottom surface, a lateral surface, a thickness smaller than the height of the corresponding longitudinal flange, including a central portion and opposite ends thicker than the central portion, provided with alternating studs and cavities along the length on both the extension top and bottom surfaces and with an outwardly projecting stud extending perpendicularly to the lateral surface on each of the end portions. In a pit, a plurality of the reversible track sections may be interconnected in series with the top surface oriented upwardly to form a "grand prix" circuit for a wheeled vehicle having a downwardly projecting pin designed to fit into the central recess to help guide the wheeled vehicle around the circuit, or, alternatively, the plurality of reversible track sections may be reversed and interconnected in series with the bottom surface oriented upwardly to form a "speedway" circuit for a pair of wheeled vehicles designed to fit within the two narrow pathways, where some of the reversible track sections are straight and some of the reversible track section are curved. A "grand prix" circuit may also include a directional switch for assembling more than one loop or may include a self-operating stopping pit.

REFERENCES:
patent: Re32106 (1986-04-01), Lemelson
patent: 3464624 (1969-09-01), Christiansen
patent: 3630524 (1971-12-01), Cooper
patent: 3734404 (1973-05-01), Baynes et al.
patent: 4403733 (1983-09-01), Bach et al.

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