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    • 1. 发明公开
    • Firearm with automatic ejection
    • 火器自动喷射装置。
    • EP0165052A2
    • 1985-12-18
    • EP85304154.9
    • 1985-06-12
    • Royal Ordnance plc
    • Comley, Jack William c/o Royal Ordnance
    • F41C7/00F41C15/00F41C19/00F41C27/06
    • F41C27/06F41A15/00F41A19/40F41C7/00
    • A riot weapon comprises a barrel; a fixed breech block; and there-between a chamber having a loading aperture through which a round of ammunition can be inserted so as to rest against the breech block, or ejected; a loading catch for retaining a round of ammunition in the chamber; a trigger; a firing pin which can be actuated to fire a round of ammunition by moving the trigger, the firing pin having a normal rest position in the breech block; means for preventing release of the loading catch except when the firing pin is in the said rest position; means for releasing the loading catch automatically following actuation of the trigger; and means for exerting a force on the round of ammunition in a direction such as to effect ejection thereof through the loading aperture; whereby following firing of a round of ammunition and consequent release of the loading catch, the spent round is retained in place against the ejecting force solely by the frictional force between the spent round andthe breech block, the frictional force resulting solely from the residual pressure of gases generated by firing, which transiently load the spent round against the breech block.
      In a preferred arrangement, the means for preventing release of the loading catch comprises a delay catch capable of interlocking engagement with the loading catch and having a projection which can enter a recess in the firing pin only when the firing pin is in the said rest position; the delay catch projection at other times bearing on the firing pin in such a manner as to maintain the said interlocking engagement effective.
    • 4. 发明公开
    • Firearm with automatic ejection
    • 具有自动喷射的火灾
    • EP0165052A3
    • 1986-01-22
    • EP85304154
    • 1985-06-12
    • Royal Ordnance plc
    • Comley, Jack William c/o Royal Ordnance
    • F41C07/00F41C15/00F41C19/00F41C27/06
    • F41C27/06F41A15/00F41A19/40F41C7/00
    • A riot weapon comprises a barrel; a fixed breech block; and there-between a chamber having a loading aperture through which a round of ammunition can be inserted so as to rest against the breech block, or ejected; a loading catch for retaining a round of ammunition in the chamber; a trigger; a firing pin which can be actuated to fire a round of ammunition by moving the trigger, the firing pin having a normal rest position in the breech block; means for preventing release of the loading catch except when the firing pin is in the said rest position; means for releasing the loading catch automatically following actuation of the trigger; and means for exerting a force on the round of ammunition in a direction such as to effect ejection thereof through the loading aperture; whereby following firing of a round of ammunition and consequent release of the loading catch, the spent round is retained in place against the ejecting force solely by the frictional force between the spent round andthe breech block, the frictional force resulting solely from the residual pressure of gases generated by firing, which transiently load the spent round against the breech block. In a preferred arrangement, the means for preventing release of the loading catch comprises a delay catch capable of interlocking engagement with the loading catch and having a projection which can enter a recess in the firing pin only when the firing pin is in the said rest position; the delay catch projection at other times bearing on the firing pin in such a manner as to maintain the said interlocking engagement effective.
    • 5. 发明公开
    • Explosively actuated tools
    • 爆炸物
    • EP1403006A1
    • 2004-03-31
    • EP03292338.5
    • 2003-09-24
    • Cetram Pty Limited
    • Mc Cullough, David John
    • B25C1/14F41A19/12
    • F41A19/40B25C1/143Y10T29/49609Y10T29/5343
    • A firing mechanism of an explosively actuated tool for driving a fastener into a substrate includes a cocking rod (4) and sear (11) for entraining the firing pin (3) with the firing pin (3) being releasable on cocking by rotation of the sear (11). The cocking rod (4) and sear (11) form a structure subject to an axial and rotational bias by a coil spring (16) anchored at one end to the structure and at the opposite end to a mounting (18) which during assembly of the mechanism is rotated to apply torsional loading to the spring (16) and is then locked into a housing (2) of the mechanism in an angular orientation in which torsional loading is maintained in the spring (16).
    • 该工具具有一个带有推杆(4)的击发机构,并且用于夹紧一个击发销的击发机构,其中该销通过该转动杆而被释放。 杆和掣子形成一个通过锚固到杆上的弹簧承受轴向和旋转偏压的结构。 旋转安装件以向弹簧施加扭转载荷并以角度取向锁定到杆壳体(2),其中负载保持在弹簧中。 还包括用于组装用于将紧固件驱动到基板中的爆炸致动工具的方法的独立权利要求。