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41. 发明授权

US4979306A Power working machine 失效
标题翻译：电动工作机
公开(公告)号：US4979306A
公开(公告)日：1990-12-25
申请号：US461219
申请日：1990-01-05
申请人： Hiroaki Koga , Akira Nagashima
发明人： Hiroaki Koga , Akira Nagashima
IPC分类号： B27B17/00 , F02B63/02 , F02B75/02
CPC分类号： B27B17/0008 , B27B17/00 , F02B63/02 , F02B2063/046 , F02B2075/025
摘要： A power working machine having a main body case in which a prime mover is housed, a front handle and a rear handle which handles are gripped by the operator. The front handle has a flat cross-sectional shape reduced in thickness in a direction in which the front handle faces the main body case while being increased in width generally in the longitudinal direction of the machine body.
摘要翻译：一种动力工作机械，其具有容纳原动机的主体壳体，前手柄和手柄的后手柄由操作者抓握。前把手的长度方向平均地沿着前把手面向主体壳体的方向减小，同时在机体的纵向方向上宽度增大。

42. 发明授权

US4871381A Air filter housing assembly for gasoline engine power tools 失效
标题翻译：汽油发动机电动工具空气过滤器外壳组件
公开(公告)号：US4871381A
公开(公告)日：1989-10-03
申请号：US212567
申请日：1988-06-28
申请人： George C. Smith
发明人： George C. Smith
IPC分类号： B01D46/00 , B01D46/24 , B27B17/00 , F02B1/04 , F02M35/024 , F02M35/16
CPC分类号： B01D46/0005 , B01D46/2411 , B27B17/00 , F02M35/024 , F02M35/10196 , B01D2279/60 , F02B1/04
摘要： An air filter assembly for a power tool such as a chain saw is provided. The assembly includes a housing with upper and lower components sandwiched about a filter element. The lower housing component includes a plurality of apertures arranged about its periphery for uniformly introducing air into the filter and through an outlet. The outlet is connected to a flexible coupling element adapted to be secured to the carburetor of an internal combustion engine which drives the tool. The upper and lower housing components are easily separated to permit access to the filter element.
摘要翻译：提供了一种用于诸如链锯的电动工具的空气过滤器组件。组件包括具有夹在过滤元件周围的上部和下部部件的壳体。下壳体部件包括围绕其周边布置的多个孔，用于将空气均匀地引入过滤器并通过出口。出口连接到适于固定到驱动工具的内燃机的化油器的柔性联接元件。上部和下部壳体部件容易分离以允许接近过滤元件。

43. 发明授权

US4475487A Joint-pipe for carburetor 失效
标题翻译：化油器接头管
公开(公告)号：US4475487A
公开(公告)日：1984-10-09
申请号：US445407
申请日：1982-11-30
申请人： Takashi Fukuoka , Yoshiaki Nagao
发明人： Takashi Fukuoka , Yoshiaki Nagao
IPC分类号： F02M35/10 , B27B17/00 , F01L3/20 , F02B63/02 , F02B75/02 , F02B75/18 , F02B75/24 , F02M35/104 , F02B33/04 , F02M9/10
CPC分类号： F02M35/1019 , B27B17/00 , F01L3/205 , F02M35/10032 , F02M35/1017 , F02M35/10281 , F02M35/1165 , F02B2075/025 , F02B2075/1808 , F02B63/02 , F02B75/243 , Y10S261/68
摘要： A crank-case pre-compression type 2-cycle engine internal combustion has an intake opening formed in the wall of a crank case and provided with a reed valve therein, and a carburetor disposed at a rearward offset from the intake port. The carburetor is connected to the inlet port through a joint-pipe. The joint-pipe has a mixture passage formed therein, an intermediate contracted portion and a partition plate extending along the axis of the mixture passage. The portion of the mixture passage near the outlet opening thereof is curved to cross the intake port substantially at a right angle to the latter.
摘要翻译：曲轴箱预压缩型2循环发动机内燃具有形成在曲轴箱的壁上并在其中设置有簧片阀的进气口，以及设置在从进气口向后偏移的化油器。化油器通过连接管连接到进气口。连接管具有形成在其中的混合通道，中间收缩部分和沿着混合物通道的轴线延伸的隔板。混合物通道在其出口开口附近的部分弯曲成大致与后者成直角相交。

44. 发明授权

US4393589A Construction for a motor-driven chain saw 失效
标题翻译：电动链锯的施工
公开(公告)号：US4393589A
公开(公告)日：1983-07-19
申请号：US270793
申请日：1981-06-05
申请人： Bengt A. Barkhult
发明人： Bengt A. Barkhult
IPC分类号： F02M37/22 , B27B17/00
CPC分类号： B27B17/00
摘要： A motor-driven chain saw having a plurality of units including an engine-saw unit, a casing, a multiplicity of fuel tanks, and filter elements for fuel and lubricant. The filter-tank unit is provided with a top portion and a bottom portion which restricts spacings for a direct location of the filter elements. The filter-tank unit is provided with a fixed pipe system for the fuel and lubricant between the spacings and the auxiliary apparatus constituting a carburetor and lubricant pump.
摘要翻译：一种具有多个单元的电动链锯，包括发动机单元，壳体，多个燃料箱和用于燃料和润滑剂的过滤元件。过滤罐单元设置有顶部和底部，其限制用于过滤元件的直接位置的间隔。过滤罐单元设置有用于构成化油器和润滑剂泵的间隔和辅助设备之间的燃料和润滑剂的固定管道系统。

45. 发明授权

US4389779A Ribbed handle and guard construction for chain saw 失效
标题翻译：链锯的罗纹手柄和防护结构
公开(公告)号：US4389779A
公开(公告)日：1983-06-28
申请号：US251721
申请日：1980-11-18
申请人： Douglas G. Overbury , Robert J. McDougall
发明人： Douglas G. Overbury , Robert J. McDougall
IPC分类号： B27B17/00 , B27B17/02
CPC分类号： B27B17/00 , B27B17/0008
摘要： A housing for a chain saw which is a clamshell type having a support section and a cover section. The cover section has a lower section which is at least three times wider than the width of the support section. The cover section has stiffening ribs formed on the underside of the wide lower section. Fastening means enterconnect the support section and the cover section.
摘要翻译：一种用于链锯的壳体，其为蛤壳式，具有支撑部分和盖部分。盖部具有比支撑部的宽度至少三倍的下部。盖部分具有形成在宽下部的下侧上的加强肋。紧固意味着连接支撑部分和盖板部分。

46. 发明授权

US4286675A Narrow profile power handle for line trimmer and the like 失效
公开(公告)号：US4286675A
公开(公告)日：1981-09-01
申请号：US51950
申请日：1979-06-25
申请人： Lloyd H. Tuggle
发明人： Lloyd H. Tuggle
IPC分类号： B24B23/00 , A01D34/68 , A01D34/90 , A01G3/00 , A01G3/08 , B25F3/00 , B25F5/00 , B27B9/00 , B27B17/00 , E21B1/34 , F01N3/06 , F01N13/14 , F02B63/02 , F02B75/02 , E21B7/22 , E21B3/00
CPC分类号： F02B63/02 , A01D34/90 , A01G3/00 , A01G3/053 , B25F3/00 , B27B17/00 , F01N13/14 , F01N2230/06 , F01N2590/06 , F01N3/06 , F02B2075/025 , F02N3/02 , Y10S173/02
摘要： A narrow profile power handle uniquely adapted for use as a flexible line trimmer having improved handling and safety features is disclosed. The power handle is also equipped with a quick connect and disconnect coupling and is useful for driving attachments to produce hand held rotary implements and tools such as brush cutters, edgers, cultivators, drills, etc., hand held reciprocating implements and tools such as hedge clippers, saws, etc., as well as portable water pumps, air compressors, generators, etc.The crankshaft of a two-stroke internal combustion engine is disposed along the longitudinal axis of a narrow profile housing which includes a rear handle having a hand grip portion disposed above and projecting rearwardly parallel to the axis of the housing. The cylinder extends upwardly from the crankcase, the carburetor is disposed below the crankcase, the flywheel, ignition system and starter to the rear, and the gas tank is disposed below the rear handle. The muffler is disposed along the forward face of the housing for discharging products of combustion forwardly of the housing and away from the operator, thereby permitting the assembly to be rotated for various trimming operations without exposing the operator to the risk of burn injury. A recoil starter handle, a choke control, throttle control and ignition kill switch are conveniently clustered around and near the hand grip portion of the rear handle which allows the operator to observe and exercise positive control over both the power handle and the cutter head while starting and operating the engine. The power handle includes a quick disconnect coupling for attaching the portable power unit to drive various attachments. As a result of this arrangement, the power handle is generally symmetrical about the longitudinal vertical plane and is of minimum width.The drive shaft of the line trimmer assembly is aligned with the crankshaft of the engine and a forward handle is disposed above the drive shaft ahead of the engine housing. As a result, the center of gravity of the overall line trimmer assembly is below and between the forward and rearward handles, thereby providing improved balance and maneuverability.

47. 发明授权

US4174744A Container closure with compartment 失效
标题翻译：集装箱封闭与隔间
公开(公告)号：US4174744A
公开(公告)日：1979-11-20
申请号：US899978
申请日：1978-04-25
申请人： James R. Houghton
发明人： James R. Houghton
IPC分类号： B27B17/00 , F02B63/02 , B65B3/06
CPC分类号： B27B17/00 , F02B63/02
摘要： A container closure for a container having an opening and thread means formed thereon; the closure having an externally threaded skirt portion mating with the thread means and depending from a wide-mouthed flared body portion forming a compartment for a substance to be added to the container. The flared body has a threaded upper portion above its mouth closed by a screw cap and an open bottom. In one version of the invention, a cup is supported by its rim between the flanged top of the body portion and the bottom of the screw cap. In another embodiment, a spring-biased valve liftable by means of knob at the upper end of a stem extending through the screw normally closes the bottom of the compartment until its contents are required in the container. The present closure is particularly useful as a reserve fuel supply for a power saw. The wide mouth of the closure serves also as a funnel for pouring fuel into the container or tank.
摘要翻译：一种用于容器的容器盖，其具有形成在其上的开口和螺纹装置; 所述封闭件具有与所述螺纹装置配合的外螺纹裙部，并且从形成用于待添加到所述容器的物质的隔室的宽口膨胀的主体部分延伸。喇叭形的主体在其口部上方具有螺纹上部，该螺纹上部由螺帽和开口底部封闭。在本发明的一个实施例中，杯体由其边缘支撑在本体部分的带凸缘的顶部和螺旋盖的底部之间。在另一个实施例中，通过在延伸穿过螺钉的杆的上端处的旋钮可提升的弹簧偏压阀通常关闭隔室的底部，直到其容器中需要其内容物。本封闭装置特别适用于电锯的备用燃料供应。封闭物的宽口也用作将燃料倒入容器或罐中的漏斗。

48. 发明授权

US3968821A Tree felling device 失效
标题翻译：树木砍伐装置
公开(公告)号：US3968821A
公开(公告)日：1976-07-13
申请号：US579727
申请日：1975-05-21
申请人： Karl-Erik Arnold Jonsson
发明人： Karl-Erik Arnold Jonsson
IPC分类号： A01G23/091 , B27B17/00 , A01G23/08
CPC分类号： B27B17/00 , A01G23/091 , Y10S83/928 , Y10T83/7788 , Y10T83/9362
摘要： A tree felling device comprising a spherical bowl carrying an endless saw chain along its peripheral edge and mounted to be moved a limited angle around the center of an imagined sphere in which it is included.
摘要翻译：一种树木砍伐装置，包括：球形碗，沿着其周边边缘承载环形锯链，并安装成围绕其包括的想象球的中心有限的角度移动。

49. 发明授权

US3637029A Hand-held power tool with antivibration mount 失效
标题翻译：手持式电动工具，带有反作用力
公开(公告)号：US3637029A
公开(公告)日：1972-01-25
申请号：US3637029D
申请日：1970-09-14
申请人： TEXTRON INC
发明人： SHERWOOD NOBLE P JR , STRICKLAND JAMES P
IPC分类号： B27B17/00 , F16F1/373 , B27B17/02
CPC分类号： B27B17/00 , B27B17/0033 , F16F1/3732
摘要： A hand-held power tool comprises an internal combustion engine on which a power tool is mounted and by which it is driven. The engine is mounted by vibration isolators on an essentially rigid supporting structure comprising a base portion, a front handle and a rear handle. Four vibration isolators are so arranged as to isolate the supporting structure from vibration of the engine while providing effective control of the tool by an operator holding the supporting structure by the front and rear handles. The vibration isolators are shown in the form of hollow barrelshaped bodies of elastomeric material.
摘要翻译：手持式电动工具包括内燃机，电动工具安装在该内燃机上并被驱动。发动机由隔振器安装在基本上刚性的支撑结构上，该支撑结构包括基部，前手柄和后手柄。四个隔振器被布置成将支撑结构与发动机的振动隔离，同时通过由前后手柄支撑支撑结构的操作者提供对工具的有效控制。振动隔离器以弹性体材料的中空筒状体的形式示出。

50. 发明授权

US3636996A Chain saw antipinch guard arm 失效
标题翻译：链锯防护罩ARM
公开(公告)号：US3636996A
公开(公告)日：1972-01-25
申请号：US3636996D
申请日：1969-12-12
申请人： DONALD D LANZ
发明人： LANZ DONALD D
IPC分类号： B27B17/00 , B27B17/02 , B27G19/06
CPC分类号： B27B17/00
摘要： An antipinch guard arm for chain saw blades comprises a stiff, strong arm and pivotal mounting means mounting one end of the arm on the saw in a plane parallel to the plane of the saw blade. The arm is pivotal between a first position, downwardly divergent from the blade, a second position substantially parallel and adjacent to the blade, and a third position, upwardly divergent from the blade. At the beginning of the saw operation, the blade is placed on one side of a log or other object to be sawn and the arm in its downwardly divergent position on the opposite side. The free end of the arm is braced against the ground or other support. The chain saw then is applied to the log in the usual manner. As the cut progresses, the blade moves in the direction of the arm, which supports the object from the opposite side and thus prevents pinching. At the conclusion of the cut, the arm lies in its second position immediately adjacent the blade, where it protects the saw chain from damage by contacting the ground. When desired, the saw may be shifted to the third position, where it serves as an auxiliary handle when felling and limbing.
摘要翻译：用于链锯叶片的防坠落保护臂包括坚硬的强力臂和枢轴安装装置，该平台臂与平行于锯片平面的平面将臂的一端安装在锯上。臂在从叶片向下发散的第一位置和基本上平行并相邻于叶片的第二位置和从叶片向上发散的第三位置之间枢转。在锯操作开始时，叶片被放置在木材或其他物体的一侧上以被锯切，并且臂在相对侧的向下发散位置。手臂的自由端支撑在地面或其他支撑上。然后，链锯以通常的方式应用于日志。当切割进行时，叶片沿着臂的方向移动，从而支撑来自相对侧的物体，从而防止夹持。在切割结束时，手臂处于紧邻刀片的第二位置，在那里它通过接触地面来保护锯链免受损坏。当需要时，锯可以移动到第三位置，当其被砍伐和劈裂时，其用作辅助手柄。

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