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US 2024/0197376 A1Published application
Screw with an improved screw head
AssigneePrimeSource Building Products, Inc.
InventorsE. Erik Timothy, Chih-Hsien Shen, Tse-Kuang Jou
Life of this patent
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Abstract
A screw with an improved screw head is provided. The screw may include a shank in between a head and a tip. The head may include a plurality of protrusions provided radially along the head. Each of the plurality of protrusions may include a protrusion wall, a leading wall, a trailing wall, and a bottom wall; the trailing wall may include one single trailing surface, the leading wall may include a plurality of leading surfaces, and the bottom wall may include at least one bottom surface.
Claims20
A screw comprising:
- a shank in between a head and a tip,
- wherein the head includes a plurality of protrusions provided radially along the head, wherein each of the plurality of protrusions includes a protrusion wall, a leading wall, a trailing wall, and a bottom wall.
A screw comprising:
- a tip having a first thread and a flute;
- a shank having a first portion including a second thread;
- a second portion having a smooth exterior, a third portion having a knurled surface, and a fourth portion having a smooth exterior;
- a head having a plurality of protrusions provided radially along the head, each of the plurality of protrusions comprising:
- a protrusion wall extending downwardly and inwardly from a sidewall of the head;
- a leading wall extending from a first side of the protrusion wall, the leading wall having a plurality of leading surfaces;
- a trailing wall extending from a second side of the protrusion wall opposite from the first side, the trailing wall having one single trailing surface;
- and
- a bottom wall extending from a third side of the protrusion wall, the bottom wall includes at least one bottom surface that is parallel with a top surface of the head.
6 more elements
Dependencies are inferred from the claim text.