Road structure – process – or apparatus – Pavement – Anti-slip surface
Patent
1991-08-06
1992-10-06
Neuder, William P.
Road structure, process, or apparatus
Pavement
Anti-slip surface
404 71, E01C 100
Patent
active
051526328
ABSTRACT:
A self-guidance bicycle track is formed of a plurality of longitudinally aligned, end-to-end coupled, upwardly open U-shaped molded plastic track sections, each track section has a generally flat, central traction portion and integral, upwardly oppositely facing concave side walls. The central traction portion is recessed below the upwardly concave, laterally opposed sidewalls. The sidewalls terminate in reversely curved, outwardly directed lips. Longitudinally spaced, transverse narrow slots within the molded track central traction portion permit rain water accumulating on the track to drain and surface grit to pass therethrough. Recessing of the traction surface below the lower ends of the concave sidewalls form lateral abutments which prevent a bicycle rear wheel from wandering off the traction surface without inhibiting side-to-side motion of the bicycle front wheel. U-shaped support brackets having an upper surface configured to the underside of the upwardly open, molded plastic, U-shaped track section which snap onto and are supported by the brackets. Tubular leg sockets mounted in the terrain, aligned with the support bracket legs slidably receive the legs. Split head clamps bolted together about the support bracket legs function as stops to limit penetration of the support bracket legs in the in-ground sockets receiving the same. Collars on the sockets bearing set screws prevent the bracket legs from accidentally lifting out of the tubular leg sockets.
REFERENCES:
patent: 830853 (1906-09-01), Thompson
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