Threaded screw fastener characterized by high pull-out resistance, reduced installation torque, and unique head structure and drive socket implement or tool therefor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
N/A
app pub date -
Aug 2, 2006
filing date -
Oct 9, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A threaded screw fastener is provided with thread structure wherein each thread of the threaded screw fastener comprises rearward and forward flank surfaces which effectively serve to enhance the pull-out resistance characteristics or properties of the threaded screw fastener while reducing the installation or insertion torque characteristics or properties of the threaded screw fastener. In addition, the forward and rearward flank surfaces of adjacent threads are separated from each other a predetermined amount so as to effectively capture overlapped edge portions of adjacent roofing panels in order to prevent backing out of the threaded screw fasteners even when the roofing panels undergo expansion and contraction as a result of being exposed to cyclically varying environmental or weather conditions.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully