Screw with a screw head which has a drive
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United States of America Patent
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Jul 11, 2017
Issued Date -
N/A
app pub date -
Jun 5, 2014
filing date -
Jun 5, 2013
priority date (Note) -
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Abstract
A screw with a screw head which has a drive that includes cams that are formed by recesses introduced around the cams. The cams are used to transmit torque, in which, on the cam end facing the screw head, a cam has a cam head surface inclined with respect to a plane that extends perpendicular to the screw axis. The radial extension of the cams is arranged and designed such that the cams center a tool introduced into the screw drive. The cam head surface has a first surface and a second surface, each of which is inclined in its respective rotational direction and which intersect each other in an intersection line.
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