Swiveling roofing washer
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United States of America Patent
Stats
-
Sep 8, 1998
Grant Date -
N/A
app pub date -
Apr 17, 1997
filing date -
Apr 17, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A swiveling roofing washer for use with a roofing fastener has a plate. The plate defines a centrally positioned fastener opening. The plate further has a bottom surface for engagement to a roofing membrane, and an oppositely positioned top surface. The top surface has a swivel surface portion defining a convex surface adjacent and coaxial with the fastener opening. The swivel surface further defines a fastener head receiving channel adjacent the convex portion and coaxial with the fastener opening for engagement with the head portion of a roofing fastener.
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Cited Art Landscape
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