Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 5,277,531
Device having socket with retention surfaces
Bert Krivec - Waukesha, WI

USPTO Classifications:
411/403, 81/436

Tool Categories:

Snap-On Tools Corp. - Kenosha, WI

Not known to have been produced

none listed

Patent Dates:
Applied: Sep. 10, 1992
Granted: Jan. 11, 1994

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
Snap-On Tools Company History
Emrich & Dithmar - patent attorneys


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.

Copyright © 2002-2018 - DATAMP