Threaded fastener
OwnerWen-Pin Huanginventor
Life of this patent
Estimating the term…
Abstract
A fastener includes a bolt including a head, a threaded shank having a bare section proximate the head, an intermediate grooved section, and an end section; and a hollow member including a head and a malleable shank having a plurality of holes through the shank. The grooved section includes a plurality of longitudinal grooves and a plurality of arcuate troughs between two of the adjacent grooves. The end section includes a plurality of projections arranged in a plurality of spaced, annular sets, and a plurality of cavities arranged in a plurality of spaced, annular sets. Each cavity is disposed between two of the adjacent projections. Each projection is disposed between two of the adjacent cavities.
Claims1
A fastener, comprising:
- a bolt including a head, a shank having a bare section proximate the) head, an intermediate grooved section, and an end section;
- wherein the grooved section includes a plurality of longitudinal grooves and a plurality of arcuate troughs between two of the adjacent grooves;
- wherein the end section includes a plurality of projections arranged in a plurality of spaced, annular sets, and a plurality of cavities arranged in a plurality of spaced, annular sets;
- and
- wherein each of the cavities are disposed between two of the adjacent projections and each of the projections are disposed between two of the adjacent cavities.
Dependencies are inferred from the claim text.