Combination driver and combination fastener
AssigneeSynthes GmbH
InventorRaymond A. Pacheco, Jr.
Life of this patent
Estimating the term…
Abstract
A driver has a tip that enables it to engage each one of a conventional hexagonal-head fastener and a conventional lobed-head fastener. The tip includes alternating flutes and crests. The crests are substantially flat to engage straight walls of a hexagonal-head. The flutes engage the lobed head of the fastener. A socket-type driver engages each type of conventional fastener. A fastener and a pair of socket-type fasteners have alternating flutes, which can be engaged by a conventional lobed-head driver, and crests or sidewall surfaces, which can be engaged by a conventional hexagonal-head driver.
Claims19
A driver including a shaft defining a longitudinal axis and only one driving tip,
- said tip including alternating flutes and crests,
- each one of the flutes is curved in transverse cross section;
- each one of the crests including a first-side surface and an opposing second-side surface;
- each one of the first-side surface and the second-side surface is substantially straight in transverse cross section;
- whereby the flutes are capable of driving a fastener having a lobed recess and the first-side and the second-side surfaces of the crests are capable of driving another fastener having a straight-walled, hexagonal recess.
A driver including a shaft defining a longitudinal axis and only one driving tip,
- said tip including alternating flutes and crests,
- each one of the flutes is curved in transverse cross section;
- each one of the crests including a first-side surface and an opposing second-side surface;
- each one of the first-side surface and the second-side surface is substantially straight in transverse cross section, the crest first-side surface and the crest second-side surface forming an angle of approximately 120 degrees therebetween;
- whereby the flutes are capable of driving a fastener having a lobed recess and the crests are capable of driving another fastener having a straight-walled, hexagonal recess.
A socket-head driver including a shaft defining a longitudinal axis and only one driving tip,
- said tip including alternating flutes and crests,
- each one of the flutes is curved in transverse cross section;
- each one of the crests including a first-side surface and an opposing second-side surface,
- each one of the first-side surface and the second side surface is substantially straight in transverse cross section;
- whereby the flutes are capable of driving a fastener having a hexagonal-head and at least one of the flutes and the crests are capable of driving another fastener having a lobed head.
Dependencies are inferred from the claim text.