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US 12,060,904 B2Granted
Threaded fastener having a thread crest greater than its thread root and V angles on the crest and root
AssigneeLock-N-Stitch, Inc.
InventorGary Jack Reed
Life of this patent
Estimating the term…
Abstract
An interlocking thread with a tooth-cross-section that is wider at its crest than at its root and with “V” angles located both along the crest and the root which tightens into a tapped hole that has a similar thread cross-section.
Claims6
A fastener, comprising:
- a shaft having a first end including means to rotate said shaft,
- said shaft having a thread pattern defined by a thread projecting from an outer periphery of said shaft and spiraling along its length;
- said thread defined by an upper flank, a lower flank, a root adjacent said shaft and crest remote from said shaft, wherein the upper and lower flanks diverge outwardly from each other away from said root such that said crest is wider than said root;
- and
- a “V” shaped protrusion protruding from said shaft between adjacent threads;
- wherein said upper and lower flanks are separated by a “V” shaped indentation.
3 more elements
Dependencies are inferred from the claim text.