CPC Subgroup
F16B 21/20 for bolts or shafts without holes, grooves, or notches for locking members
Full Title
Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it (riveted or deformable spigots F16B19/04; for gudgeon pins F16J1/18); Stud-and-socket releasable fastenings > by separate parts (; key-type connection F16B3/00; locking screws or nuts against rotation by such means F16B39/04) > for bolts or shafts without holes, grooves, or notches for locking members
1 direct subcode
Child Classifications
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