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1. 发明授权

US4881517A Air guns 失效
标题翻译：气枪
公开(公告)号：US4881517A
公开(公告)日：1989-11-21
申请号：US166385
申请日：1988-03-10
申请人： Roger D. Wackrow , Harold C. Jones
发明人： Roger D. Wackrow , Harold C. Jones
IPC分类号： F41B11/50
CPC分类号： F41B11/50
摘要： An air gun having a fixed barrel mounted on a body and a source of compressed air or gas housed in the body has a device for enabling a pellet to be inserted directly into the barrel. A breech block is angularly movable between a loading position in which the breech is exposed and a firing position in which the breech is closed, the breech block having passage for completing the connection between the breech and the source of compressed air. In the embodiment shown the breech block is cylindrical and is rotatably mounted in a continuation of a cylinder in which a spring urged piston works, and has a guide chute in its cylindrical surface to assist the introduction of the pellet. Seals may be provided at either end of the breech block.
摘要翻译：具有安装在主体上的固定筒体和容纳在主体中的压缩空气或气体源的气枪具有用于使颗粒直接插入筒体中的装置。后膛块在后膛暴露的装载位置和后膛关闭的击发位置之间可角度地移动，后膛块具有用于完成后膛和压缩空气源之间的连接的通道。在所示的实施例中，后膛块是圆柱形的并且可旋转地安装在气缸的延续件中，弹簧推动的活塞在该缸中延伸，并且在其圆柱形表面中具有导槽以辅助颗粒的引入。可以在后膛块的任一端设置密封件。

2. 发明授权

US5150701A Air gun with rotary magazine 失效
标题翻译：带旋转杂志的空气枪
公开(公告)号：US5150701A
公开(公告)日：1992-09-29
申请号：US695211
申请日：1991-05-03
申请人： Roger D. Wackrow , Kenneth W. White , Harold C. Jones
发明人： Roger D. Wackrow , Kenneth W. White , Harold C. Jones
IPC分类号： F41B11/00 , F41B11/02 , F41B11/54 , F41B11/57
CPC分类号： F41B11/57 , F41B11/54
摘要： The body 12 of an air gun accommodates a removable magazine 16 immediately behind the breech 14, for pellets to be loaded one at a time from the magazine into the breech. The magazine comprises a drum 33 which is rotatably mounted within a housing 31 and comprises ten pellet-holding slots 38 around its axis. A torsion spring 42 urges rotation of the drum in indexing steps as controlled by an escapement mechanism comprising a rocking pawl 50. The pawl is displaced against the action of a return spring 58 by a plunger 60 which projects from a cocking arm 22 of a conventional cocking mechanism of the gun; the plunger is arranged to actuate the escapement only towards the end of a cocking stroke of the arm 22. A loading ram/air transfer tube 28 is reciprocated, in effecting the cocking action, to withdraw from one slot 38 in the drum and enter a next slot to load a fresh pellet into the breech.
摘要翻译：气枪的主体12在后膛14的后方容纳可拆卸的匣16，用于一次一个地将药盒从药盒装载到后膛中。盒子包括滚筒33，滚筒33可旋转地安装在壳体31内，并且围绕其轴线包括十个颗粒保持槽38。扭转弹簧42促使滚筒在由包括摆动棘爪50的擒纵机构控制的分度台阶中旋转。棘爪克服复位弹簧58的作用而移动，柱塞60从常规的定位臂22突出枪的启动机制; 柱塞被布置成仅在臂22的起动行程的末端致动擒纵机构。装载冲头/空气输送管28在实施起动作用时往复运动，从鼓中的一个槽38中退出并进入下一个槽将新鲜颗粒装入后膛。

3. 发明授权

US4883042A Air guns 失效
标题翻译：气枪
公开(公告)号：US4883042A
公开(公告)日：1989-11-28
申请号：US166392
申请日：1988-03-10
申请人： Roger D. Wackrow
发明人： Roger D. Wackrow
IPC分类号： F41B11/646
CPC分类号： F41B11/646
摘要： An air gun of the break-barrel type has a spring-urged piston working in a bore of a cylinder. The piston has two axially spaced latched cocking positions in the cylinder; an intermediate position in which the spring is only partially compressed, and a fully cocked position in which the spring is fully compressed. The piston is held in each of its latched positions by the co-operation, in turn, of a sear with a one of a pair of axially spaced grooves in the piston. Initial downward swivelling of the barrel causes a cocking bar pivotally connected to the barrel to engage in the rearward groove and force the piston backwards to its intermediate position. The gun can then be fired with reduced power or alternatively a second cocking stroke performed in which the cocking bar engages in the forward groove and urges the piston to its fully cocked position. Instead of having a breaking breech, the gun may operate by a cocking lever. The piston may have more than one latch intermediate position in the bore.
摘要翻译：破桶式气枪具有在气缸的孔中工作的弹簧推动的活塞。活塞在气缸中具有两个轴向间隔开的闩锁位置; 其中弹簧仅被部分压缩的中间位置和弹簧完全压缩的完全旋转位置。活塞通过与活塞中的一对轴向间隔开的凹槽中的一个相配合地保持在其每个锁定位置。筒的初始向下旋转引起一个可旋转地连接到枪管的拨杆，以与后槽啮合，并将活塞向后推到其中间位置。然后可以以较小的动力进行喷枪，或者另外执行第二起动冲程，其中，起吊杆与前槽啮合，并将活塞推向其完全起动位置。而不是有一个破裂的后膛，枪可以由一个拨杆操纵。活塞在孔中可以具有多于一个的中间位置。

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