FIELD: mechanical engineering.
SUBSTANCE: lock comprises locking side and stop that is in a contact with the locking side. The lock is also provided with the additional stop and transverse lock and made of jaw lug that defines the stops and base with the adjusting pawl. The base is provided with the centering opening for rotatable locking member interposed between the stops. The pivoting unit of the mechanism for control of the all-moving surfaces comprises jaw and rod members with lugs interconnected through a bolt with the nut cottered at its end, transverse lock for the bolt head, main bushing for the bolt, and, at least, one bearing. The unit is provided with lock for the bolt mounted on one of the jaw lugs and additional bushing. Each bushing is set in the opening in the appropriate wall of the jaw member. The bearing is mounted directly on the rod section of the bolt.
EFFECT: enhanced reliability.
4 cl, 12 dwg
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