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公开(公告)号：US5605197A
公开(公告)日：1997-02-25
申请号：US563162
申请日：1995-11-27
CPC分类号： B25D9/14
摘要： A unitary valve assembly for a fluid-activated, percussive paving breaker includes a valve chest having an outer sidewall forming an internal valve chamber, a sidewall within the internal chamber forming a valve bore, a reciprocal valve within the valve bore and a bottom plate permanently fastened to the outer sidewall. The inner sidewall forms a first annular, upstanding sealing seat for the valve, and the bottom plate forms a second annular, upstanding sealing seat for the valve. Passageways through the valve assembly are positioned so as to connect with high and low pressure chambers of a paving breaker, when the valve assembly is inserted into the paving breaker. For weight reduction, the valve assembly is made of acetal resin.
摘要翻译： 用于流体激活的冲击式铺路破碎机的单一阀组件包括具有形成内阀室的外侧壁的阀室，在内腔内形成阀孔的侧壁，阀孔内的往复阀和永久地形成的底板 紧固到外侧壁。 内侧壁形成用于阀的第一环形竖立密封座，并且底板形成用于阀的第二环形竖直密封座。 通过阀组件的通道定位成当阀组件插入铺路破碎器时与铺路破碎机的高压室和低压室连接。 为了减轻重量，阀组件由缩醛树脂制成。
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2.发明授权
公开(公告)号：US5582257A
公开(公告)日：1996-12-10
申请号：US545445
申请日：1995-10-17
摘要： A system for lubricating and reciprocating a piston in a fluid-activated, percussive paving breaker includes a unitary valve assembly positioned within a bore of a rear portion of a tool housing, the valve assembly having an oil reservoir for lubricating the piston. The valve assembly is retained in place by a combination of a throttle lever and a backhead plate bolted to the rear tool housing.
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3.发明授权
公开(公告)号：US5524715A
公开(公告)日：1996-06-11
申请号：US283002
申请日：1994-07-29
摘要： A throttle lever for a paving breaker having rear housing bore. A valve assembly housing plug is removably inserted into the bore. A backhead plate retains the valve assembly housing plug in the bore. An elongated throttle lever has a first end pivotally trapped between the backhead plate and the valve assembly housing plug. A second end of the throttle lever extends above the backhead plate, and forms an operator contact surface. An intermediate portion between the first end and second end of the throttle lever operably contacts a fluid inlet valve.
摘要翻译： 一种用于具有后壳体孔的摊铺机的油门杆。 阀组件外壳塞可移除地插入孔中。 后盖板将阀组件外壳塞子保持在孔中。 细长的节流杆具有枢转地夹在后端板和阀组件外壳塞之间的第一端。 节流杆的第二端在后端板上方延伸，并形成操作者接触面。 节流杆的第一端和第二端之间的中间部分可操作地接触流体入口阀。
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4.发明授权System for lubricating and reciprocating a piston in a fluid-activated, percussive paving breaker 失效用于在流体激活的冲击式铺路破碎机中润滑和往复活塞的系统
公开(公告)号：US5586606A
公开(公告)日：1996-12-24
申请号：US545443
申请日：1995-10-17
摘要： A system for lubricating and reciprocating a piston in a fluid-activated, percussive paving breaker includes a unitary valve assembly positioned within a bore of a rear portion of a tool housing, the valve assembly having an oil reservoir for lubricating the piston. The valve assembly is retained in place by a combination of a throttle lever and a backhead plate bolted to the rear tool housing.
摘要翻译： 用于在流体激活的冲击式铺路破碎机中润滑和往复运动的系统包括位于工具壳体的后部的孔内的整体阀组件，该阀组件具有用于润滑活塞的储油器。 阀组件通过节流杆和螺栓连接到后工具壳体的后端板的组合保持在适当位置。
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5.发明授权
公开(公告)号：US5524714A
公开(公告)日：1996-06-11
申请号：US282356
申请日：1994-07-29
摘要： A system for lubricating and reciprocating a piston in a fluid-activated, percussive paving breaker includes a unitary valve assembly positioned within a bore of a rear portion of a tool housing, the valve assembly having an oil reservoir for lubricating the piston. The valve assembly is retained in place by a combination of a throttle lever and a backhead plate bolted to the rear tool housing.
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