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US 7,581,910 B2Granted
Fastener head
AssigneeIllinois Tool Works Inc.
InventorsDavid R. Nebl, Stephen R. Dohm, James M. Van Ingen, Taurris D. Baskerville
Life of this patent
Estimating the term…
Abstract
A fastener has a recessed drive configuration with outlet channels extending from the recessed drive configuration to the outer surface of the fastener.
Claims15
A drive head for receiving a drive tool, said drive head comprising:
- a body having a peripheral surface;
- a drive configuration defined by a recess in said body;
- said drive configuration having six drive facets;
- and
- three outlet channels each formed between adjacent facets, said outlet channels extending partially across said body from said recess to openings in said peripheral surface, such that said outlet channels are offset from one another so that no outlet channel aligns with another outlet channel to extend in a straight line across said body.
2 more elements
A fastener comprising:
- a shank having a thread thereon;
- a drive head on said shank at one end thereof, said drive head having a peripheral surface;
- said drive head including a drive configuration formed as a recess in said head, said drive configuration including six drive facets;
- six channels formed between adjacent said drive facets;
- and
- three channels of said six channels having openings at one end thereof in said recess and at an opposite end thereof in said peripheral surface, said three channels alternating with others of said six channels, and said three channels being equally spaced with one another.
3 more elements
A drive configuration for a fastener, comprising
- six drive facets formed in a recess of the fastener;
- channels formed by and between adjacent facets;
- three of said channels having closed ends;
- and
- three of said channels having open outer ends, said three channels with closed ends and said three channels with open outer ends arranged in alternating relationship with one another between adjacent facets, such that said three channels with open outer ends are equally spaced from one another, wherein said three channels with open outer ends provide an exit path for a flow of liquid during a plating or coating process so as to allow the liquid to escape from said drive configuration.
2 more elements
Dependencies are inferred from the claim text.