EXPANSION BOLT

摘要

FIELD: mechanical engineering. SUBSTANCE: expansion bolt 1 has expansion zone with slot 11. Part 5 of tail-piece is half of expansion zone 11; it is connected with tail bush 2 passing to hole 8 of expansion bolt by means of dovetail joint or any other joint in zone 19. Other part 4 of tail-piece of expansion zone 11 may be made integral with tail bush 2. EFFECT: enhanced reliability. 1 dwg