SELF-LOCKING MOUNTING BOLT Russian patent published in 2004 - IPC

FIELD: mechanical engineering. SUBSTANCE: proposed mounting bolt contains shell with inner and outer thread and threaded body and extension-type stops-"feathers" found in side holes of shell and made in form of metal pins. Grooves for are made on first ends of stops made for extending from side holes of shells, getting into holes of parts of structure connected by mounting bolt and thrusting against body of structure. End face cuts at angle of 45^o are made on other ends of stops to suit profile of pointed end of threaded body. EFFECT: improved reliability of fastening. 4 dwg