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US 2006/0065084 A1Published application
Fastener having recess useable with multiple drivers and method of manufacture
OwnerBarry Hughesinventor
Life of this patent
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Abstract
A fastener is described having a head formed with a recess which accommodates a square head driver, symmetrical drivers, such as PHILLIPS™ style drivers, asymmetrical style cross head drivers, such as POZIDRIV® style drivers, and combination square and cross drivers without compromising performance of the drivers.
Claims5
1-19. (canceled)
A driver for engaging a recess in the head of a fastener in torque transmitting relation having an engagement portion extending from a shank to a tip a first distance, said engagement portion of said driver comprising:
- a cross winged portion extending said first distance from said shank to said tip having an overall cross wing outer profile, said wings being formed by adjacent walls, wherein said adjacent walls converge, from said shank to said tip, symmetrically at an included angle according to the standard for type Ia fasteners;
- and
- a square portion, having an overall square outer profile, extending a second distance, that is less than said first distance, wherein said overall square outer profile is within said overall cross wing outer profile.
Dependencies are inferred from the claim text.