IPC Main Group
F16B 21/00 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
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- Subclass:
- DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
Related Keywords
LOCKING of pins, spigots, or shaftsSOCKET(S) -and-stud connectionsSPIGOTS as fastening elementsSTUD(S) -and-socket connections
4 direct subcodes
Child Classifications
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- F16B 21/02 Releasable fastening devices locking by rotation
- F16B 21/06 Releasable fastening devices with snap action
- F16B 21/09 Releasable fastening devices with a stud engaging a keyhole slot
- F16B 21/1 by separate parts