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US 7,963,732 B2Granted
Threaded fastener
AssigneeTriangle Fastener Corporation
InventorsJoseph Edward Stager, James Richard Johnston, Charles Whitehill Friday
Life of this patent
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Abstract
A fastener is provided including an elongated body having a first end and a second end, and a helical thread formed on at least a portion of the elongated body where the thread has a crest, a root, and flank portions. The helical thread has at least one protrusion extending from the crest and flank portions toward the first end of the elongated body, and each protrusion has a peak that extends to the root of the thread.
Claims7
A fastener comprising:
- an elongated body having a first end and a second end;
- a head located at the first end of the elongated body;
- a helical thread formed on at least a portion of the elongated body, the thread comprising a crest, a root, and flank portions;
- and
- at least one protrusion extending from the crest and flank portions toward the first end of the elongated body,
- wherein the at least one protrusion is an axially extending V-shape of the crest, flank portions and root of the helical thread with a peak of the at least one protrusion having a ridge that extends from the crest to the root of the thread.
3 more elements
Dependencies are inferred from the claim text.