Safing means for high rate of fire revolving battery gun

Claim 1

A battery gun comprising: a housing; a rotor journalled for rotation within and with respect to said housing; said rotor having a plurality of gun bolts disposed in an annular row with respective firing pins, assemblies; and switchable firing pin assembly control means mounted to said housing for sequentially engaging each of said firing pin assemblies, and having a first disposition for positively precluding searing of each firing pin assembly, and a second disposition for positively forcing timely searing of each firing pin; said firing pin assembly control means including an annular cam surface having a lower portion which gradually rises to a higher portion which abruptly falls off to said lower portion, and first and second movable cam surfaces and support means for alternatively supporting one or the other of said movable cam surfaces in cooperative relationship with said annular cam surface, said first cam surface, when in said cooperative relationship, serving as a gradual continuum between said higher portion and said lower portion in lieu of said fall-off, and said second cam surface, when in said cooperative relationship, serving as an accelerating surface adjacent and between said higher portion and said lower portion for accelerating a falloff.