Grate plate arrangement for step plates
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United States of America Patent
Stats
-
May 22, 2007
Grant Date -
Feb 23, 2006
app pub date -
Aug 12, 2005
filing date -
Aug 18, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A grate plate arrangement for step grates includes box-like grate plates (4) positioned on a grate carrier (2) with a front plate (24) placed on its end wall (18) and fastened to the end wall (18) using one or more studs (26) screwed to the grate plate (4). The bolt head (32) of each stud (26) is countersunk into a recess (34) built into the front plate (24) and covered on the outside by covering (cover 38) and secured against unscrewing.
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