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1. 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。

2. 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。

3. 发明申请

US20120152581A1 HAMMER SIDE BUFFER 审中-公开
标题翻译：汉姆边缓冲
公开(公告)号：US20120152581A1
公开(公告)日：2012-06-21
申请号：US12972447
申请日：2010-12-18
申请人： Lauritz P. Pillers, II , Tommie L. Craven , James G. Nickels
发明人： Lauritz P. Pillers, II , Tommie L. Craven , James G. Nickels
IPC分类号： B25D17/24 , B23P6/00
CPC分类号： E02F3/966 , B25D17/24 , Y10T29/4973
摘要： A demolition hammer may include a housing having a distal end and a proximal end, a power cell disposed in the housing along a longitudinal axis and a side buffer positioned to support the power cell in the housing, wherein the housing forms a first retaining structure that prevents axial movement of the side buffer toward the proximal end. The housing may also form a second retaining structure that prevents inward radial movement of the side buffer and a third retaining structure that prevents outward radial movement of the side buffer.
摘要翻译：拆卸锤可以包括具有远端和近端的壳体，沿着纵向轴线设置在壳体中的动力单元和定位成将动力单元支撑在壳体中的侧缓冲器，其中壳体形成第一保持结构，防止侧缓冲器朝向近端的轴向移动。壳体还可以形成防止侧缓冲器的向内径向移动的第二保持结构和防止侧缓冲器的向外径向移动的第三保持结构。

4. 发明授权

US08141655B2 Hammer having a two part body 有权
标题翻译：锤子有两个部分的身体
公开(公告)号：US08141655B2
公开(公告)日：2012-03-27
申请号：US12470402
申请日：2009-05-21
申请人： Lauritz P. Pillers, II
发明人： Lauritz P. Pillers, II
IPC分类号： B25D17/08 , B25D9/04 , B25F5/02
CPC分类号： B25D9/04 , B23B31/113 , B25D17/08 , B25D2250/121 , B25D2250/325 , Y10T29/494 , Y10T29/49826 , Y10T29/49863
摘要： A tool assembly such as a hammer assembly, includes a housing defining a chamber and a reciprocating piston arranged in the chamber for cyclical movement in a work stroke and a return stroke. The housing includes a lower housing member, an upper housing member and an engaging structure which permits the engagement of the upper housing member with the lower housing member by relative rotation of the upper and lower housing members, such that each of the lower and upper housing members defines a portion of the chamber. The upper housing member is a precision component which contains the hydraulic components or other drive components necessary to drive the piston, while the lower housing member can be manufactured separately since it does not need to be manufactured to the high tolerances required by the upper housing member. The resulting tool assembly may be more compact than a conventional tie rod tool assembly.
摘要翻译：诸如锤组件的工具组件包括限定腔室的壳体和布置在腔室中的往复活塞，用于在工作行程和返回冲程中循环运动。壳体包括下壳体构件，上壳体构件和接合结构，其允许上壳体构件与下壳体构件通过上壳体构件和下壳体构件的相对旋转而接合，使得每个下壳体和上壳体构件限定了腔室的一部分。上部壳体构件是包含驱动活塞所需的液压部件或其他驱动部件的精密部件，而下部壳体部件可以单独制造，因为不需要根据上部壳体部件所需的高公差来制造。所得到的工具组件可以比传统的拉杆工具组件更紧凑。

5. 外观设计

USD645480S1 Hammer 有权
标题翻译：锤子
公开(公告)号：USD645480S1
公开(公告)日：2011-09-20
申请号：US29350777
申请日：2009-11-23
申请人： Lauritz P. Pillers, II , Francis D. Theobalds , James G. Nickels , Tommie L. Craven
设计人： Lauritz P. Pillers, II , Francis D. Theobalds , James G. Nickels , Tommie L. Craven

6. 外观设计

USD645481S1 Hammer 有权
公开(公告)号：USD645481S1
公开(公告)日：2011-09-20
申请号：US29350780
申请日：2009-11-23
申请人： Lauritz P. Pillers, II , Francis D. Theobalds , James G. Nickels , Tommie L. Craven
设计人： Lauritz P. Pillers, II , Francis D. Theobalds , James G. Nickels , Tommie L. Craven

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