Static structures (e.g. – buildings) – Cover with projecting restrainer; e.g. – snow stop – Rod-type with plural supports
Reexamination Certificate
2006-07-17
2009-06-23
Canfield, Robert J (Department: 3633)
Static structures (e.g., buildings)
Cover with projecting restrainer; e.g., snow stop
Rod-type with plural supports
C052S024000
Reexamination Certificate
active
07549253
ABSTRACT:
A mounting and attachment system, which can easily mount a continuous snow rail for snow protection above the seams of a metal root and also attach lower members or snow flags which are located between the seams to stop the snow from sliding under the height of the seam. This system eliminates the requirement for holes and threaded holes to be drilled into the mounting block, saving manufacturing time and money. The mounting block is configured so that there is a slot which runs through the mounting block to fit over a raised seam. This slot can have parallel walls or can be shaped to match the form of a particular seam. This block will also have two slots or linear indentations on either side of the block in a direction perpendicular to the slot for the seam. A second piece of the assembly is a snow rail long enough to connect two or more of the seam-mounted blocks together.
REFERENCES:
patent: 1054091 (1913-02-01), Darnall
patent: 5609326 (1997-03-01), Stearns et al.
patent: 6357184 (2002-03-01), Alley
patent: 6453623 (2002-09-01), Nelson et al.
patent: 6718718 (2004-04-01), Haddock
patent: 6834466 (2004-12-01), Trevorrow et al.
Cajilig Christine T
Canfield Robert J
Jackson William E.
Stites & Harbison PLLC
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