carrying a rotably mounted obturating plug of the screw-thread or the interrupted-thread type

Full Title

Breech mechanism, e.g. locks > Block action, i.e. the main breech opening movement being transverse to the barrel axis > with pivoting breech-block > carrying a rotably mounted obturating plug of the screw-thread or the interrupted-thread type

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

WEAPONS

Subclass:

FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE