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US 4,394,843 AGranted
Self-righting traffic marker
OwnerGananath W. Ediriwirainventor
Life of this patent
Estimating the term…
Abstract
A portable self-righting traffic marker comprises a generally rigid body having a base on which the marker can rock and includes an outwardly flaring region merging with an integral upper part. The base is so weighted that in use the marker returns to its upright position by itself when it is knocked over.
Claims4
A portable self-righting traffic marker comprising:
- a generally rigid body having a base on which the marker can rock and an integral rigid upper part,
- an outwardly flaring multi-faced region merging said base with said integral upper part,
- said integral rigid upper part of said body comprising a plurality of contiguous generally flat outwardly flaring side wall portions which define a nesting facility, formed as a hollow upper region having an open top, whereby a plurality of said traffic markers can be nested, one within the other,
- weight means for selectively weighting said base so that said marker returns to its upright position by itself when it is knocked over,
- land means on the bottom of said base for facilitating standing the marker on the ground in its upright position, and
- drain means for draining rain water entering said body through said open top.
3 more elements
Dependencies are inferred from the claim text.