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Class 89/20.2 - Interrupted


Subclass of Class 89 - Ordnance
Definition: Subject matter having segmental threads mounted to be move
No. of patents: 7
Last issue date: 07/17/2007


NumberTitleIssue Date
7243589Variable volume chamber cannon
An assembly for effecting a variable volume chamber for use in a cannon having a breech assembly operably coupled to a chamber, and includes the chamber having a certain size being partially defined by a constant diameter for a known depth dimension and having a kno...
07/17/2007
6971300Reloadable concentric canister launcher
A reloadable launcher for use with rocket-propelled projectiles. An inner and outer tube define a concentric tube arrangement with at least one gas flow channel being defined therebetween. A ring is fixedly coupled to a first end of the outer tube that is adjacent t...
12/06/2005
5679917Breech plug support mechanism
A breech plug support mechanism for a launcher barrel having a removable ech plug comprising a handle connected to the plug by at least one leg means, the handle having a pivot arm connected thereto, the pivot arm including a traverse rod and arranged pa...
10/21/1997
5440963Double barrel bolt action repeating rifle
A bolt assembly is provided for a double-barrel firearm, such as a rifle or a shotgun. The bolt assembly is adapted to fit in the receiver of the double-barrel firearm. The bolt assembly comprises a bolt body which connects to first and second breech bolt...
08/15/1995
5115716Automatic percussion primer feed mechanism
A primer feed mechanism for automatically feeding unfired primers to, and extracting fired primers from, an artillery piece. A magazine having a rotatable cylindrical drum carrying a plurality of primer cartridges is detachably mounted adjacent the breach...
05/26/1992
4393748Device for stripper
A stripper (5) is arranged at a breech ring of a large-calibre firearm. A ramming unit is arranged to insert a shell (11) and a charge (10) into the bore and chamber of the firearm during an insertion process. During the extraction process of the ramming ...
07/19/1983
4376407Device for breech ring
A breech ring (1) in a firearm, which can be closed and opened with a screw mechanism which comprises a screw (4). The breech ring has conical threads (5) which can coact with corresponding threads on the screw. The threads of both the breech ring and the...
03/15/1983
 
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