Highway device and covering element for such a device
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United States of America Patent
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Jan 13, 2004
Grant Date -
N/A
app pub date -
Mar 11, 2002
filing date -
May 5, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This highway device includes a frame and an element (14) for covering the frame, the frame (12) including a peripheral border with two walls delimiting a groove and the covering element being equipped with a projecting peripheral lip (32) engaging in the groove in the frame-covering position. The covering element (14) includes at least one ramp (44) extending between the lip (32) and the internal surface of the element, the ramp or ramps being intended to bear on the end edge of the peripheral border of the frame and thus guiding the covering element during the displacement of the latter with respect to the frame, under the action of a force exerted on the element in a zone opposite the ramp or ramps (44).
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