Tools – Wrench – screwdriver – or driver therefor – Spanner
Reexamination Certificate
2006-01-24
2006-01-24
Meislin, Debra S. (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Spanner
C081S461000
Reexamination Certificate
active
06988431
ABSTRACT:
The removal tool is used in connection with a locking nut and bolt system. The bolt thread has a plurality of notches generally longitudinally spaced in a predetermined pattern. The locking unit or element carries one or more tines. The tine has a distal tine end adapted to latch onto the lock face of the notch on the bolt and, when the distal tine end is not disposed in one or more notches, the tine end moves on the bolt thread crest. When the distal tine end is in the notch or notches, the lock face of the notch prevents counter-rotational movement of the bolt with respect to the nut when the distal tine end abuts the lock face. The locking unit supports the tine and may be cylindrical, rectangular or on a perpendicular support face normal to a radial plane through the axial centerline of the nut thread. The locking unit may be on a nut insert or may be carried on the leg of a U, J or S-shaped clip. The removal tool includes abase with a plurality of prongs insertible into the locking unit or element to keep the tine away from the bolt notches.
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Fleit Kain
Kain, Jr. Robert C.
Meislin Debra S.
Permanent Technologies
LandOfFree
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