Grating
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United States of America Patent
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Apr 26, 2011
Grant Date -
Jan 14, 2010
app pub date -
Mar 5, 2007
filing date -
Oct 30, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A cover grating for a drainage channel or a similarly hollow body which can be installed in the ground is presented, wherein the cover grating is produced in a single piece and more particularly from a sheet metal strip, comprising at least two longitudinal webs extending on the underside of the cover grating and inlet slots formed in the cover grating between these longitudinal webs and comprising transverse webs resulting from the slot forming operation and extending on the lower side of the cover grating wherein the transverse webs are provided at each of their end regions with at least one receiving projection which at least partially engages in to a respective complementarily formed receiving slot in the longitudinal web.
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