Patent ID: 7299581

Claim:
In a spring-motor firearm having a manual firing trigger, magazine engaged breech block catch operable to hold a breech block in recoil; wherein; said spring motor firearm's magazine engaged catch is disengaged from said spring motor firearm's recoiled breech block causing said spring motor firearm's breech block to counterrecoil into battery position by pulling said spring motor firearm's manual firing trigger; the spring-motor firearm comprising; said reciprocating breech block biased to battery position; said breech block catch; a lever operable to fulcrum said breech block catch into the path of said breech block; said lever is operable to fulcrum said breech block catch out of the path of said breech block; a ratchet pawl configured upon said lever; an empty magazine configured to bias said lever; said manual firing trigger; a cam projecting from said manual firing trigger; in combined function; said empty magazine biases said lever upward to fulcrum said breech block catch into the path of said breech block; said lever holds said breech block catch in the path of said breech block and said cam is operable to reciprocate forward and rearward through engagement with said ratchet pawl; said ratchet pawl escapes forward movement of said cam moving with said manual firing trigger during resetting of the manual trigger keeping said breech block catch engaged to said breech bolt in recoil; the rearward motion of said firing trigger bears said cam against said ratchet pawl forcing said lever downward disengaging said breech block catch from said breech block causing said breech block to counterrecoil into said battery position.