Signalling post

Details Signalling post Signalling post

1992-07-06

1993-12-28

Neuder, William P.

Road structure, process, or apparatus

Traffic director

Yielding

E01F 900

Patent

active

052733718

ABSTRACT:
The novel signalling post is adapted to be mounted on a flexible base member. The post comprises an outer, hollow, substantially rigid, transparent polycarbonate tubular member. The polycarbonate tubular member has a memory for returning to its original shape upon impact. An inner opaque flexible plastic tubular member is mounted inside the transparent tubular member and has a diameter to fittingly slide inside the transparent tubular member. The opaque tubular member has substantially no memory. The polycarbonate tubular member has a memory which allows the flexible opaque tubular member to maintain a substantially rigid shape and to return to its original shape if slightly deformed upon excessive impact. The transparency of the outer tubular member allows the introduction of a colored or reflecting film between both tubular members for simultaneously displaying a visual signal through the transparent tubular member while the latter protects the film against damages. The novel post is particularly adapted to be mounted on a flexible base wherein the post will be tilted upon impact by the flexibility of the flexible base.

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