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Class Information
Number: 89/172
Name: Ordnance > Automatic > Movable barrel (e.g., rotary, etc.) > Rearwardly movable > Nonrectilinear breech block motion (e.g., tilting rotary, etc.) > Rotary and sliding
Description: Guns wherein the breech block rotates and slides.

Patents under this class:

Patent Number Title Of Patent Date Issued
8453555 Pistol having a barrel with synchronized cams Jun. 4, 2013
6393961 Straight-pull breechblock with rotating boss locking mechanism for repeating weapons May. 28, 2002
4920855 Bolt assembly for self-loading gun May. 1, 1990
4867040 Self-unlocking device for recoiling bolt carrier and barrel in a semi-automatic rifle Sep. 19, 1989
4604942 Bolt assembly with a rotating locking bolt head and a floating bolt element for automatic firearms Aug. 12, 1986
4562659 Automatic firearm Jan. 7, 1986
4329907 Gun bolt for high rate of fire revolving battery guns May. 18, 1982
4301710 Control for gun bolts in a high rate of fire revolving battery gun Nov. 24, 1981
4072082 Recoil converter Feb. 7, 1978
4011790 Recoil converter for self powered gun Mar. 15, 1977

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