IPC Subgroup
F16B 39/12 by means of locknuts
Introduced: September 1968
Last revised: January 2006
Full Title
Locking of screws, bolts, or nuts > in which the locking takes place after screwing down > by means of locknuts
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
2 direct subcodes
Child Classifications
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- F16B 39/14 made of thin sheet material or formed as spring washers
- F16B 39/16 in which the screw-thread of the locknut differs from that of the nut