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    • 2. 发明授权
    • Fire-arm safety device
    • 防火臂安全装置
    • US4654992A
    • 1987-04-07
    • US779098
    • 1985-09-23
    • Robert Lavergne
    • Robert Lavergne
    • F41A17/02F41C11/02F41C11/06F41C17/08
    • F41A17/02
    • There is disclosed a safety device for preventing unauthorized use of an automatic or semi-automatic hand-held fire-arm, such as a shotgun, rifle or revolver, and of the type in which the loading chamber is provided with a lateral opening. The safety device comprises a metallic U-shape frame adapted to surround the underside and lateral sides of the loading chamber. A key-operated lock causes a frame-carried stop member to enter the loading chamber through the lateral opening to secure the device to the gun and to block access to both the magazine and the breech or firing chamber of the fire-arm to prevent magazine loading and passage of bullets or cartridges from the magazine to the breech. The frame also prevents operation of the loading mechanism.
    • 公开了一种用于防止未经授权使用诸如霰弹枪,步枪或左轮手枪的自动或半自动手持式防火臂的安全装置,以及装载室设置有侧向开口的类型的安全装置。 安全装置包括适于围绕装载室的下侧和侧面的金属U形框架。 钥匙操作的锁使框架承载的止动构件通过侧向开口进入装载室,以将装置固定到枪上,并阻止进入火炬的枪库和枪膛或射击室,以防止弹匣 子弹或弹药筒从杂志装载和通过到后膛。 该框架还防止加载机构的操作。
    • 3. 发明授权
    • Gun having a floating firing chamber
    • 枪有一个浮动的火炉
    • US3626620A
    • 1971-12-14
    • US3626620D
    • 1969-01-15
    • MAREMONT CORP
    • ROCHA JOHN GONSALVES
    • F41A3/74F42B39/08F41C11/02F41C13/00
    • F41A3/74F42B39/082Y10S102/70
    • A CASELESS SMALL ARMS CARTRIDGE INCLUDING A GENERALLY CYLINDRICAL SOLID PROPELLANT BODY HAVING A BULLET PROJECTING FROM THE FRONT END THEREOF WITH AN ORGANIC PLASTIC SEAL RING AND LINK ELEMENT MOUNTED ON THE BULLET WITH THE BULLET PROJECTING FORWARDLY THEREBEYOND. THE SEAL RING HAS AN OUTER SURFACE OF A DIAMETER GREATER THAN THAT OF THE SOLID PROPELLANT BODY FOR PROVIDING A SEAL WITH A SURROUNDING FIRING OUTWARD BEYOND THE RING WITH A BORE EXTENDING RADIALLY OUTWARD BEYOND THE RING WITH A BORE FOR RECEIVING EITHER THE BULLET OF A SECOND LIKE CARTRIDGE FOR ASSEMBLING A PLURALITY OF CARTRIDGES TO PROVIDE A BELT THEREOF OR FOR ENGAGING THE LOADING PLUNGER OF THE GUN BREECH. THE GUN FOR FIRING SUCH CASELESS CARTRIDGES COMPRISES A RECEIVER ELEMENT, A BARREL MOUNTED THEREIN, A FLOATING FIRING CHAMBER ELEMENT MOUNTED IN THE RECEIVER ELEMENT FOR LIMITED MOVEMENT BETWEEN A LOADING POSITION AWAY FROM AND A FIRING POSITION TOWARD THE BARREL, AND FIRING MEANS FOR MOVING THE FLOATING FIRING CHAMBER HAS AN ENITS FIRING POSITION. THE FLOATING FIRING CHAMBER HAS AN ENCLOSED BOTTOM WITH ABUTMENT MEANS THEREON FOR CONTACTING THE PRIMER OF THE CARTRIDGE AND AN OPEN FORWARD END ADJACENT THE BARREL FOR RECEIVING THE CARTRIDGE BODY WITHIN THE CHAMBER WITH THE BULLET WITHIN THE BARREL WHEN THE FLOATING FIRING CHAMBER IS IN ITS LOADED POSITION. THE FIRING MEANS MOVES THE FIRING CHAMBER TO ITS FIRING POSITION TO DRIVE THE ABUTMENT MEANS INTO CONTACT WITH THE PRIMER TO FIRE THE CARTRIDGE.
    • 8. 发明授权
    • Firing pin safety mechanism
    • 发射针安全机构
    • US4658529A
    • 1987-04-21
    • US641123
    • 1984-08-15
    • William Bertolini
    • William Bertolini
    • F41A17/64F41C11/02
    • F41A17/64
    • A firing pin safety mechanism for a weapon such as a pistol. An inertia firing pin is provided with an annular groove. The firing pin is spring loaded in the firing pin channel of the pistol slide. The safety is provided with a rib canted toward the hammer side of the firing pin. The safety is slidable between "on" and "off" positions within a safety channel which intersects the firing pin channel. When the safety is moved to the "on" position, the rib enters the firing pin groove and cams the firing pin so as to retract and lock the pin in a sheathed position within the slide. In the sheathed position, the firing pin can neither contact the cartridge nor be contacted by the weapon hammer. When the safety is moved to the "off" position, the rib clears the firing pin, and the hammer end of the firing pin is exposed. The firing pin is then free to be operated by the weapon hammer to strike the cartridge.
    • 用于诸如手枪的武器的撞针安全机构。 惯性撞针设置有环形凹槽。 射击弹簧弹簧装载在手枪滑轨的撞针通道中。 安全带有朝向撞针的锤侧的倾斜肋。 安全通道可以在与点火销通道相交的安全通道内的“开”和“关”位置之间滑动。 当安全性移动到“开”位置时,肋进入击针槽并使击发销凸轮,以将销缩回并锁定在滑动件内的护套位置。 在铠装位置,撞针不能接触墨盒,也不能与武器锤接触。 当安全性移动到“关闭”位置时,肋骨清除撞针,并且撞针的锤头暴露。 射击杆然后由武器锤自由操作以撞击墨盒。