Device having socket with retention surfaces
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United States of America Patent
Stats
-
Jan 11, 1994
Grant Date -
N/A
app pub date -
Sep 10, 1992
filing date -
Sep 10, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A device includes a member having an axis and a socket recess formed axially therein. The recess is polygonal in shape at its open outer end and has planar drive surfaces parallel to the axis alternating with retaining surfaces disposed at the corners of the polygonal shape and sloping inwardly of the recess toward the axis. Each of the retaining surfaces is substantially triangular in shape, having one apex at the adjacent corner at the outer end of the recess and having the other apices in adjacent drive surfaces at the inner end of the recess. The device may be a rotatably drivable device, wherein the axis is the axis of rotation.
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