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1. 发明授权

US06474747B2 Split boom coupling structure 有权
标题翻译：分体式联轴器结构
公开(公告)号：US06474747B2
公开(公告)日：2002-11-05
申请号：US09727137
申请日：2000-11-30
申请人： Kevin F. Beaulieu , Mang Lim Ngo
发明人： Kevin F. Beaulieu , Mang Lim Ngo
IPC分类号： B26B2700
CPC分类号： F16B7/042 , F16B2200/506 , Y10T403/69 , Y10T403/7077
摘要： A coupling structure for a split boom power tool is provided. The structure permits any of a variety of lower tubular boom members with their working tools to be quickly and easily coupled to or uncoupled from an upper tubular boom member having a power source. The structure includes compatibly sized end portions on the upper and lower boom members that allow them to be quickly and easily telescopically joined and also provide a strengthened joint. A clamping member is provided with a locating tab that is receivable in a locating hole in the tube of the upper boom member to allow the clamp to be quickly and positively positioned at the joint. A plurality of tool orienting openings are provided in the end portion of the upper boom member and clamp to receive a spring loaded locking pin carried in the lower boom member to position the tool at a desired angular working orientation. The locating tab further serves to align the tool orienting openings in the clamp and upper boom member as the clamp is positioned on the upper boom member.
摘要翻译：提供了一种用于分离式动臂电动工具的联接结构。该结构允许各种下部管状悬臂构件中的任何一个，其工作工具能够快速且容易地与具有动力源的上部管状悬臂构件联接或脱离。该结构包括在上部和下部悬臂构件上具有相容尺寸的端部，使得它们能够快速且容易地伸缩连接并且还提供加强接头。夹紧构件设置有可接收在上臂架构件的管中的定位孔中的定位翼片，以允许夹具快速且正确地定位在接头处。多个工具定向开口设置在上臂架构件的端部和夹具中，以容纳承载在下悬臂构件中的弹簧加载的锁定销，以将工具定位在期望的角度工作方向。当夹具位于上臂架构件上时，定位翼片进一步用于对准夹具中的工具定向开口和上悬臂构件。

2. 发明授权

US5738064A Vibration weld chassis assembly 失效
标题翻译：振动焊接底盘总成
公开(公告)号：US5738064A
公开(公告)日：1998-04-14
申请号：US559447
申请日：1995-11-15
申请人： Jon E. Lowe , Kevin F. Beaulieu
发明人： Jon E. Lowe , Kevin F. Beaulieu
IPC分类号： B27B17/00 , F02B63/02 , F01P1/02
CPC分类号： F02B63/02 , B27B17/00
摘要： A portable power tool is provided which includes a chassis defining an integral rear handle, a first chamber for lubricating oil generally at a front end of the chassis, a second chamber for fuel generally at a rear end of the chassis, and a recess between the first and second chambers. An internal combustion engine is secured to the chassis within the recess and a front handle is secured to the front end of the chassis. A chain saw unit is also secured to the front end of the chassis and is operably connected to the engine. The chassis includes right and left nylon plastic chassis sections which are vibrationally welded together.
摘要翻译：提供了一种便携式电动工具，其包括限定一体式后把手的底架，通常在底盘前端润滑油的第一室，通常位于底盘后端的燃料的第二室，第一和第二室。内燃机在凹槽内固定在底架上，前把手固定在底盘的前端。链锯单元也固定到底盘的前端并且可操作地连接到发动机。底盘包括振动焊接在一起的左右尼龙塑料底盘部分。

3. 发明授权

US5521339A Catalyst muffler system 失效
标题翻译：催化消声器系统
公开(公告)号：US5521339A
公开(公告)日：1996-05-28
申请号：US342331
申请日：1994-11-18
申请人： Michael S. Despain , Kevin F. Beaulieu , Kim Liechty
发明人： Michael S. Despain , Kevin F. Beaulieu , Kim Liechty
IPC分类号： F01N1/08 , F01N3/06 , F01N3/24 , F01N3/28 , F01N13/00 , F01N13/14 , F01N3/02
CPC分类号： F01N13/14 , F01N1/084 , F01N13/002 , F01N3/2885 , F01N1/089 , F01N2230/06 , F01N2240/20 , F01N2270/02 , F01N2270/08 , F01N2450/20 , F01N2470/06 , F01N2470/24 , F01N2490/08 , F01N2590/06 , F01N3/06
摘要： A muffler for coupling to an exhaust port of an internal combustion engine includes a housing, a first hollow body within the housing, a catalyzer within the first hollow body, and a second hollow body within the housing. The first hollow body has an inner surface defining a first chamber and an inlet adjacent the exhaust port to admit the exhaust gas into the first chamber. The exhaust gas is exothermally treated as it flows through the catalyst in the first chamber in a direction away from the engine and passes through an outlet of the first hollow body to a second chamber. The second chamber is formed by an inner surface of the second hollow body and an outer surface of the first hollow body. The treated exhaust gas flows through the second chamber in a direction toward the engine over the outer surface of the first hollow body where a thermal reaction takes place and/or further emission reduction takes place by a catalytic coating on the outer surface of the first hollow body. The treated exhaust gas passes through an outlet of the second hollow body to a third chamber. The third chamber is formed by an outer surface of the second hollow body and an inner surface of the housing. After expanding and mixing in the third chamber, the exhaust gas is expelled from the third chamber through an outlet of the housing adjacent the engine.
摘要翻译：用于联接到内燃机的排气口的消声器包括壳体，壳体内的第一中空体，第一中空体内的催化剂，以及壳体内的第二中空体。第一中空体具有限定第一室的内表面和邻近排气口的入口，以允许废气进入第一室。废气在其沿着远离发动机的方向流过第一室中的催化剂而放热处理，并通过第一中空体的出口进入第二室。第二室由第二中空体的内表面和第一中空体的外表面形成。经处理的废气在朝向发动机的方向上流过第一中空体的外表面，其中发生热反应，和/或通过催化涂层在第一中空体的外表面上进行进一步的减少身体。经处理的废气通过第二中空体的出口进入第三室。第三室由第二中空体的外表面和壳体的内表面形成。在第三室中膨胀和混合之后，废气通过邻近发动机的壳体的出口从第三室排出。

4. 外观设计

USD365262S Chainsaw housing 失效
公开(公告)号：USD365262S
公开(公告)日：1995-12-19
申请号：US29935
申请日：1994-10-19
申请人： Kevin F. Beaulieu , Paul A. Warfel
设计人： Kevin F. Beaulieu , Paul A. Warfel

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