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Class Information
Number: 42/40
Name: Firearms > Breech loading > Upward-tilting breech
Description: The barrel is pivoted to the stock at a point in advance of the breech, and, to open the breech, the barrel swings on this pivot, the muzzle downward and breech upward. These are often styled "breakdown" guns.

Sub-classes under this class:

Class Number Class Name Patents
42/44 Barrel locks 37
42/47 Ejectors 22
42/46 Extractors 31
42/41 Firing mechanism 24

Patents under this class:

Patent Number Title Of Patent Date Issued
8341863 Barrel holder for a drop-down barrel weapon Jan. 1, 2013
8296985 Firearm with a tilting barrel Oct. 30, 2012
7739821 Folding pistol Jun. 22, 2010
7707923 Short recoil semi-automatic shotgun May. 4, 2010
7316092 Muzzle-loading firearm and easily removable breech plug for use therewith Jan. 8, 2008
7313882 Hold adjustment device between fore-end iron and action body in a break-open firearm Jan. 1, 2008
6935063 Triple-barrel shotgun Aug. 30, 2005
6820361 Break-action firearm Nov. 23, 2004
6705035 Barrel balancing device for collapsible firearms Mar. 16, 2004
6526683 Mid-grip high-power pistol Mar. 4, 2003
6397505 Cartridge casing ejector for a firearm Jun. 4, 2002
6183894 Electrocatalyst for alcohol oxidation in fuel cells Feb. 6, 2001
5617665 Rotating breech gun Apr. 8, 1997
5225610 One-shot weapons Jul. 6, 1993
4999939 Breech load pistol and conversion Mar. 19, 1991
4914845 Breech load pistol and conversion Apr. 10, 1990
4722148 Firearm Feb. 2, 1988
4718186 Pivotal connection between break-open action and barrel of a gun Jan. 12, 1988
4574510 Barrel locking mechanism for break-open-action gun Mar. 11, 1986
4541192 Hinge device for firearms Sep. 17, 1985
4489515 Concealable firearm Dec. 25, 1984
4354322 Hand gun with improved barrel mounting pin Oct. 19, 1982
4299046 Single-shot survival rifle Nov. 10, 1981
4242825 Firearm mechanism Jan. 6, 1981
4199886 Guns Apr. 29, 1980
3996685 Shell cut-off latch Dec. 14, 1976
3975852 Signal launcher Aug. 24, 1976

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