by means of washers, spring washers, or resilient plates that lock against the object

Introduced: September 1968

Last revised: January 2006

Full Title

Locking of screws, bolts, or nuts > in which the locking takes place during screwing down or tightening > by means of washers, spring washers, or resilient plates that lock against the object

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

1 direct subcode

Child Classifications

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F16B 39/26 with spring washers fastened to the nut or bolt-head