DIFF Subgroup
F16B 21/09 Releasable fastening devices with a stud engaging a keyhole slot
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Means without screw-thread for preventing relative axial movement of a pin, spigot, shaft, or the like and a member surrounding it; Stud-and-socket releasable fastenings without screw-thread > Releasable fastening devices with a stud engaging a keyhole slot
CPC:
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 > Releasable fastening devices with a stud engaging a keyhole slot
No child classifications to compare. This is a leaf node in both IPC and CPC.