interrupted screw


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interrupted screw

n
(Firearms, Gunnery, Ordnance & Artillery) a screw with a slot or slots cut into the thread, esp one used in the breech of some guns permitting both engagement and release of the block by a partial turn of the screw
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
In an attempt to end the controversy, Sir Charles redesigned the rifle to use a "triple-thread interrupted screw double-bearing cam bolt head." Or to put it in layman's terms, the dual locking lugs on the bolt were replaced with an interrupted screw system with seven small lugs.
The Buss Kneader is machine based on a reciprocating screw with interrupted screw flights that oscillates in a barrel containing pins in such a manner as to cause the pins to wipe the flights.
The total flow rate in the screw channel of an interrupted screw flight may be written