Lane marker

Details Lane marker Lane marker

1995-02-10

1997-01-14

Cuchlinski, Jr., William A.

Signals and indicators

Indicators

By location

116 63P, 116202, E01F 9016, E01F 9019

Patent

active

055928986

ABSTRACT:
A lane marker includes a base, an illuminator, and a frangible bracket resably holding the illuminator in the lowered position on the base. A cantilever embedded in the bracket extends therefrom along the illuminator and is stronger than the bracket. The marker also includes a vertically expandable spring whose coils are compressed in a planar array against the base, one section of the spring biasing the illuminator to swing up from the lowered position. A keeper section of the spring connects to the illuminator and bears on the coils to keep them compressed against the base. An end of the keeper section latches to the base until the frangible bracket is broken. When the bracket breaks, the spring swings up the keeper section along with the illuminator so as to free the keeper section's end from the base.

REFERENCES:
patent: 2275711 (1942-03-01), Ybanez
patent: 3132624 (1964-05-01), Shoemaker, Jr.
patent: 4959756 (1990-09-01), Dodson
patent: 4969398 (1990-11-01), Lundwall
patent: 5269251 (1993-12-01), Freeman

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