Hexagonal screw head
OwnerChun-Leon CHENinventor
Life of this patent
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Abstract
An improved hexagonal screw head being shaped on a top end of a threaded shank, wherein six edges of the hexagonal screw head are formed concave arc shapes caved in toward a center of the hexagonal screw head; thereby the six corners of the hexagonal screw head are shaped as sharp corners to provide better supporting strength against being easily damaged.
Claims4
An improved hexagonal screw head being shaped on a top end of a threaded shank, at least one of six edges of said hexagonal screw head are formed concave arc shape caved in toward a center of said hexagonal screw head.
A hexagonal screw being used in a tooth implanting surgical operation to connect an implant root with an abutment and comprising:
- a threaded shank;
- and
- a hexagonal screw head shaped on a top end of said threaded shank, at least one of six edges of said hexagonal screw head being formed concave arc shape caved in toward a center of said hexagonal screw head.
Dependencies are inferred from the claim text.