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Class 42/1.07 - WITH ADJUSTABLE HEAD SPACE


Subclass of Class 42 - Firearms
Definition: Devices having adjustable means to compensate for the distance
No. of patents: 13
Last issue date: 08/14/2007


NumberTitleIssue Date
7254913Revolver for firing high velocity ammunition
A revolver for firing high velocity ammunition includes a frame, a cylinder, a barrel, and a firing mechanism. The revolver may include one or more of the following, each of which is especially adapted for use in the context of firing high velocity ammunition: space...
08/14/2007
6612063Weapon, in particular a self-loading pistol
In a weapon, in particular a self-loading pistol, having a barrel (1) and a breech block (4), it being possible for a cartridge (2) to be fired in the barrel (1) by being acted upon by means of a firing pin (7), to identify a fired cartridge (2) and/or to...
09/02/2003
5829180Blank-firing semiautomatic pistols
A semiautomatic pistol adapted to repetitively fire blank ammunition includes a frame, a barrel slidably mounted to the frame, a slide slidably mounted to the frame and adapted for reciprocal longitudinal movement relative to the frame between a forward b...
11/03/1998
5375358Quick muzzle loading rifle and loader
A Quick Muzzle Loading Rifle is provided that consists of a barrel extension that is threaded into a frame and a short barrel that is pivotally attached to the frame and can pivot between a position in-line with the barrel extension and a position to the ...
12/27/1994
5024016Self-loading pistols
A variable caliber self-loading pistol has a slide carried by a breech block slide of the gun with this slide projecting forwardly of the breech block slide so as to support the underside of a cartridge during initial rearward movement of the breech block...
06/18/1991
4918825Micrometer cartridge headspace gauge
A firearm cartridge headspace gauge consisting of a threaded cylindrical barrel and threaded head is machined internally to precisely match the external dimensions of a given firearm cartridge. A scale is provided on the gauge barrel and mating head. When...
04/24/1990
4807380Firearm
A locked breech mechanism for a firearm having a trigger, cylinder, and hammer and in which the cylinder is adapted to accommodate cartridges such as a bottleneck cartridge. The breech mechanism includes a breech member disposed between the hammer and cyl...
02/28/1989
4614051Firearm construction
A firearm has a barrel assembly and a breech block pivotally mounted with respect to the barrel assembly. The barrel assembly has a barrel block and a pair of barrels mounted in over and under relationship. The breech block has a generally forwardly proje...
09/30/1986
4608909Interchangeable barrel for small arms
Disclosed is an interchangeable barrel for small arms of the type having sliding breechblocks, comprising a housing with a guide surface inclined downwardly to the rear, for releasing the barrel during recoil. In order to mount the interchangeable barrel ...
09/02/1986
4575962Unitary bolt face and firing pin device
A unitary bolt face and firing pin device for firearms consisting of a self-adjusting head space block on the front of the bolt assembly facing the chamber in firing alignment with the primer of a cartridge inserted into said chamber, the face of said hea...
03/18/1986
4462179Chamber alignment and safety system for a firearms
A chamber alignment and safety system for firearms consisting of longitudinally extending slide mechanism axially aligned with and pivotally connected to the barrel and bolt housing, said slide mechanism including means for moving said pivotal connections...
07/31/1984
4447975Gun with reduced recoil
A gun with a spring-urged thrust hammer which first strikes the firing pin when released by the trigger and then has its forward thrust transferred from the firing pin to the bolt so that the hammer, firing pin and bolt are moving forward the extent of th...
05/15/1984
4103587Autoloading pistol
A pistol in which a recoil-impacted bolt is in engagement with the front link of a toggle; and such link carries a transmittance pin designed to be struck by the hammer of the pistol when the links of the toggle are aligned. The bolt carries a firing pin ...
08/01/1978
 
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