by special members on, or shape of, the nut or bolt

Full Title

Locking of screws, bolts, or nuts > in which the locking takes place during screwing down or tightening > by special members on, or shape of, the nut or bolt

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

Child Classifications

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• F16B 39/282 Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
• F16B 39/284 Locking by means of elastic deformation
• F16B 39/3 Locking exclusively by special shape of the screw-thread
• F16B 39/32 Locking by means of a pawl or pawl-like tongue
• F16B 39/34 Locking by deformable inserts or like parts
• F16B 39/36 with conical locking parts, which may be split, including use of separate rings co-operating therewith
• F16B 39/38 with a second part of the screw-thread which may be resiliently mounted