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1. 发明申请

US20130081837A1 System and Method for Easy Removal of Hydraulic Hammer Bushing 有权
标题翻译：易拆卸液压锤套的系统和方法
公开(公告)号：US20130081837A1
公开(公告)日：2013-04-04
申请号：US13248563
申请日：2011-09-29
申请人： Rakesh Dushyantrao Jagdale , Lauritz P. Pillers, II
发明人： Rakesh Dushyantrao Jagdale , Lauritz P. Pillers, II
IPC分类号： B25D17/28 , B23P11/00 , B25D9/00
CPC分类号： B25D17/08 , B25D17/088 , B25D17/26 , B25D2250/105 , B25D2250/331 , E02D7/18 , Y10T29/49815
摘要： A hydraulic hammer having a front head and a lower bushing is disclosed. Also disclosed is a system and method for easily removing the lower bushing from the front head. The front head of the hydraulic hammer may define a bore therein and an inner surface of the bore may have a first taper. The lower bushing of the hydraulic hammer may be capable of being positioned within the bore of the front head and an outer surface of the lower bushing may have a second taper, with the first taper substantially following the second taper.
摘要翻译：公开了一种具有前头和下衬套的液压锤。还公开了一种用于从前头容易地移除下衬套的系统和方法。液压锤的前头可以在其中限定孔，并且孔的内表面可以具有第一锥形。液压锤的下套管可以能够定位在前头的孔内，并且下衬套的外表面可以具有第二锥形，其中第一锥度基本上在第二锥度之后。

2. 发明申请

US20120037389A1 Composite Seal for a Hydraulic Hammer 有权
标题翻译：液压锤复合密封
公开(公告)号：US20120037389A1
公开(公告)日：2012-02-16
申请号：US12854661
申请日：2010-08-11
申请人： Rakesh Dushyantrao Jagdale , Lauritz Phillip Pillers, II
发明人： Rakesh Dushyantrao Jagdale , Lauritz Phillip Pillers, II
IPC分类号： E21B1/26 , F16J15/32
CPC分类号： F16J15/3252 , B25D17/20 , B25D2217/0069 , B25D2250/365 , E02F3/966
摘要： A hydraulic hammer (14) may include a housing (30) having a distal end defining an opening (38), a bushing (54) positioned adjacent the housing distal end, the bushing (54) having an inner guide surface (58) and a distal end (56), and a tool (22) having a proximal section (60) slidably disposed in the bushing inner guide surface (58) and a distal section (62) projecting from the housing (30) through the opening (38). The hydraulic hammer (14) may further include a composite seal (70) having an exterior cover (72) with a proximal end (76) releasably coupled to the bushing (54) and a distal end (77) projecting from the distal end (56) of the bushing (54), the exterior cover distal end (77) defining a recess (90) opening toward the tool (22), and an interior seal (74) having a base (92) disposed in the exterior cover recess (90) and a sealing arm (94) projecting inwardly from the base (92), the sealing arm (94) being configured to sealingly engage the tool (22).
摘要翻译：液压锤（14）可以包括具有限定开口（38）的远端的壳体（30），邻近壳体远端定位的衬套（54），衬套（54）具有内引导表面（58）和远端（56）和工具（22），其具有可滑动地设置在衬套内引导表面（58）中的近端部分（60）和从壳体（30）穿过开口（38）突出的远端部分）。液压锤（14）还可以包括具有外部盖（72）的复合密封件（70），其具有可释放地联接到衬套（54）的近端（76）和从远端突出的远端（77）衬套（54）的外表面远端（77）限定了朝向工具（22）开口的凹部（90）和内部密封件（74），内部密封件（74）（90）和从基部（92）向内突出的密封臂（94），密封臂（94）构造成密封地接合工具（22）。

3. 发明授权

US09102045B2 System and method for easy removal of hydraulic hammer bushing 有权
标题翻译：液压锤套管拆卸的系统和方法
公开(公告)号：US09102045B2
公开(公告)日：2015-08-11
申请号：US13248563
申请日：2011-09-29
申请人： Rakesh Dushyantrao Jagdale , Lauritz P. Pillers, II
发明人： Rakesh Dushyantrao Jagdale , Lauritz P. Pillers, II
IPC分类号： B25D17/08 , B25D17/26 , E02D7/18
CPC分类号： B25D17/08 , B25D17/088 , B25D17/26 , B25D2250/105 , B25D2250/331 , E02D7/18 , Y10T29/49815
摘要： A hydraulic hammer having a front head and a lower bushing is disclosed. Also disclosed is a system and method for easily removing the lower bushing from the front head. The front head of the hydraulic hammer may define a bore therein and an inner surface of the bore may have a first taper. The lower bushing of the hydraulic hammer may be capable of being positioned within the bore of the front head and an outer surface of the lower bushing may have a second taper, with the first taper substantially following the second taper.
摘要翻译：公开了一种具有前头和下衬套的液压锤。还公开了一种用于从前头容易地移除下衬套的系统和方法。液压锤的前头可以在其中限定孔，并且孔的内表面可以具有第一锥形。液压锤的下套管可以能够定位在前头的孔内，并且下衬套的外表面可以具有第二锥形，其中第一锥度基本上在第二锥度之后。

4. 发明授权

US08360167B2 Composite seal for a hydraulic hammer 有权
标题翻译：液压锤复合密封
公开(公告)号：US08360167B2
公开(公告)日：2013-01-29
申请号：US12854661
申请日：2010-08-11
申请人： Rakesh Dushyantrao Jagdale , Lauritz Phillip Pillers, II
发明人： Rakesh Dushyantrao Jagdale , Lauritz Phillip Pillers, II
IPC分类号： E21B12/04
CPC分类号： F16J15/3252 , B25D17/20 , B25D2217/0069 , B25D2250/365 , E02F3/966
摘要： A hydraulic hammer (14) may include a housing (30) having a distal end defining an opening (38), a bushing (54) positioned adjacent the housing distal end, the bushing (54) having an inner guide surface (58) and a distal end (56), and a tool (22) having a proximal section (60) slidably disposed in the bushing inner guide surface (58) and a distal section (62) projecting from the housing (30) through the opening (38). The hydraulic hammer (14) may further include a composite seal (70) having an exterior cover (72) with a proximal end (76) releasably coupled to the bushing (54) and a distal end (77) projecting from the distal end (56) of the bushing (54), the exterior cover distal end (77) defining a recess (90) opening toward the tool (22), and an interior seal (74) having a base (92) disposed in the exterior cover recess (90) and a sealing arm (94) projecting inwardly from the base (92), the sealing arm (94) being configured to sealingly engage the tool (22).
摘要翻译：液压锤（14）可以包括具有限定开口（38）的远端的壳体（30），邻近壳体远端定位的衬套（54），衬套（54）具有内引导表面（58）和远端（56）和工具（22），其具有可滑动地设置在衬套内引导表面（58）中的近端部分（60）和从壳体（30）穿过开口（38）突出的远端部分）。液压锤（14）还可以包括具有外部盖（72）的复合密封件（70），其具有可释放地联接到衬套（54）的近端（76）和从远端突出的远端（77）衬套（54）的外表面远端（77）限定了朝向工具（22）开口的凹部（90）和内部密封件（74），内部密封件（74）（90）和从基部（92）向内突出的密封臂（94），密封臂（94）构造成密封地接合工具（22）。

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