Method of installing depressible pavement marker
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United States of America Patent
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-
Jan 3, 2017
Issued Date -
N/A
app pub date -
Jul 2, 2008
filing date -
Jul 2, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A retractable, reflective pavement marker for delineating traffic lanes of roadways and a method of installing the same that provides improved protection from potentially damaging vehicle tires, snowplows, and environmental conditions. The marker incorporates a reflector assembly mounted to a piston that is depressible within a housing. A biasing means returns the reflector assembly to its normal position above the road surface. A compliant adhesive cooperates with an adhesive lock formed between the housing and the opening to ensure that the marker is reliably retained within the pavement. The adhesive and a chamfered opening prevent pavement spalling due to external forces. The housing includes a removable retainer through which the piston is reciprocally received. The retainer includes a plurality of coarsely pitched lead-in threads that cooperate with a threaded housing. Multiple lead-in threads provide sufficient thread engagement, while substantially decreasing the number of rotations to achieve full engagement.
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Cited Art Landscape
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