Remington Arms Company, Inc.

Merle Francis Carter

James Cameron Hutton

Jack L Kast

Albert R Eddy

A firing pin block for a firearm of the type having a rotary breech bolt, a reciprocating bolt carrier, complementary locking lugs formed on the bolt and barrel to releasably secure them together, and cam means drivingly connecting the bolt and bolt carrier for opening and closing the bolt. The firing pin block positively prevents discharge of the firearm at any time when the bolt is unlocked. It does not rely on the presence or good condition of any separate parts, but instead coordinates the cam-actuated rotary operation of the locking lugs with relative longitudinal displacements between the bolt and bolt carrier, to cause the latter to block an enlarged abutment formed on the firing pin whenever the bolt is unlocked.

Firing pin block for firearm with a rotary breech bolt

A break-open firearm where the frame and the barrel assembly are locked in place by a sliding top lock. A top lock lever is pivotally connected to the gun frame and is operatively connected to the top lock by a helical coil spring which biases the top lock forwardly into locking position when the top lock lever is moved in a direction which decreases the diameter of the coil spring. Other embodiments of the invention provide for the helical coil spring to be connected to the frame and to the top lock lever and to the frame and the top lock. In each case, the result is that the helical coil spring is the instrument to bias the top lock forward.

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Mohawk, NY, United States of America

Merle Francis Carter