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    • 3. 发明申请
    • KICKBACK DETECTION METHOD AND APPARATUS
    • KICKBACK检测方法和装置
    • WO2012021752A2
    • 2012-02-16
    • PCT/US2011/047488
    • 2011-08-11
    • BLOUNT, INC.OSBORNE, IanARNOLD, DrewHALL, Gale
    • OSBORNE, IanARNOLD, DrewHALL, Gale
    • B27B17/08B27B17/14B27B17/04B27B33/14B27B31/00
    • B27B17/083B27G19/003Y10T83/089
    • In various embodiments, a cutting tool such as a chainsaw may include a cutting member that is movable by an engine, one or more sensors configured to detect one or more of acceleration in a direction parallel to one or more axes of the cutting tool and rotational velocity about one or more axes of the cutting tool, and a microprocessor configured to cause movement of the cutting member to stop in response to receiving one or more signals from the one or more sensors. In various embodiments, a method may include receiving, by a microprocessor of a chainsaw, a signal from a gyroscope configured to detect rotational velocity about one or more axes of the cutting tool, and actuating, by the microprocessor, a braking system of the chainsaw to stop movement of a cutting chain around a perimeter of a guide bar in response to the signal.
    • 在各种实施例中,诸如链锯之类的切割工具可以包括可由发动机移动的切割构件,一个或多个传感器,所述一个或多个传感器构造成检测一个或多个平行于一个方向的加速度或 切割工具的更多轴线以及围绕切割工具的一个或多个轴线的旋转速度;以及微处理器,其被配置为响应于从一个或多个传感器接收到一个或多个信号而引起切割构件的移动停止。 在各种实施例中,一种方法可以包括由链锯的微处理器接收来自陀螺仪的信号,该陀螺仪被配置为检测关于切割工具的一个或多个轴线的旋转速度,并且由微处理器致动链锯的制动系统 以响应信号停止切割链围绕导杆的周边移动。
    • 4. 发明申请
    • 链锯导板
    • WO2009030089A1
    • 2009-03-12
    • PCT/CN2007/070630
    • 2007-09-05
    • 张丽雪蔡宜桦蔡宜峰
    • 张丽雪蔡宜桦蔡宜峰
    • B27B17/02B27B17/04
    • B27B17/025
    • A chain saw guide plate includes a rectangular metal plate which is consisted of a body of chain saw guide plate shape and a removable part extending around said body, both surfaces revealed in the front end of body extend to a boundary between the removable part and the body, and each of arc channels is provided respectively on the both surfaces revealed in the front end of body, the bowed parts of said arc channels are frontward, a weld powder is molten and solidified in the channels to form powder structures, thus the top surface and the bottom surface of metal plate form a flat surface respectively, then the removable part is separated from the body so that said powder structures are revealed, a guide channel is provided toward inside of body between both powder structures. Thus the invention uses a powder structure of lower price, and first the powder structure is molten in the places which bear high temperature and high abrasion, then to form a guide plate of chain saw by general machining, the invention is convenient for machining of required shape, and can avoid waste for material.
    • 5. 发明申请
    • CHAIN SAW
    • 链锯
    • WO2016095945A1
    • 2016-06-23
    • PCT/EP2014/077728
    • 2014-12-15
    • HUSQVARNA AB
    • JOHANSSON, Jörgen
    • B27B17/04B27B17/12
    • B27B17/04B27B17/12
    • The invention relates to a chain saw comprising a guide bar (1) for guiding a saw chain, wherein the guide bar (1) comprises two side plates (2, 3) between which a sprocket wheel (4) is rotatable arranged, wherein the sprocket wheel (4) is supported in the guide bar (1) by means of a bearing (5) and wherein the bearing (5) is supplied by a lubricant by means of a lubrication system (6). To improve the lubrication of the bearing the invention proposes that the lubrication system (6) comprises a lubrication reservoir (7) which is in fluidic connection (8) with the bearing (5), wherein the lubrication reservoir (7) is sealed against the environment by at least one valve element (9).
    • 本发明涉及一种链锯,其包括用于引导锯链的引导杆(1),其中所述导杆(1)包括两个侧板(2,3),链轮(4)可旋转地布置在所述两个侧板(2,3)之间, 链轮(4)通过轴承(5)支撑在导杆(1)中,并且其中轴承(5)由润滑系统(6)由润滑剂供应。 为了改善轴承的润滑,本发明提出,润滑系统(6)包括与轴承(5)流体连接(8)的润滑油箱(7),其中润滑油箱(7)被密封 至少一个阀元件(9)的环境。
    • 6. 发明申请
    • KICKBACK DETECTION METHOD AND APPARATUS
    • KICKBACK检测方法和装置
    • WO2012021752A3
    • 2012-05-24
    • PCT/US2011047488
    • 2011-08-11
    • BLOUNT INCOSBORNE IANARNOLD DREWHALL GALE
    • OSBORNE IANARNOLD DREWHALL GALE
    • B27B17/08B27B17/04B27B17/14B27B31/00B27B33/14
    • B27B17/083B27G19/003Y10T83/089
    • In various embodiments, a cutting tool such as a chainsaw may include a cutting member that is movable by an engine, one or more sensors configured to detect one or more of acceleration in a direction parallel to one or more axes of the cutting tool and rotational velocity about one or more axes of the cutting tool, and a microprocessor configured to cause movement of the cutting member to stop in response to receiving one or more signals from the one or more sensors. In various embodiments, a method may include receiving, by a microprocessor of a chainsaw, a signal from a gyroscope configured to detect rotational velocity about one or more axes of the cutting tool, and actuating, by the microprocessor, a braking system of the chainsaw to stop movement of a cutting chain around a perimeter of a guide bar in response to the signal.
    • 在各种实施例中,诸如链锯的切割工具可以包括可由发动机移动的切割构件,一个或多个传感器被配置为检测沿平行于切削工具的一个或多个轴线的方向的加速度和旋转 围绕切削工具的一个或多个轴的速度以及微处理器,该微处理器被配置为响应于从一个或多个传感器接收到一个或多个信号而导致切割构件的运动停止。 在各种实施例中,一种方法可包括由链锯的微处理器接收来自陀螺仪的信号,该陀螺仪被配置为检测围绕切割工具的一个或多个轴线的旋转速度,并且由微处理器致动链锯的制动系统 以响应于信号停止切割链围绕导杆的周边的移动。
    • 8. 发明申请
    • CHAINSAW GUIDE BAR WITH HYBRID BEARING ASSEMBLY
    • 链条指导杆与混合轴承组件
    • WO2016139622A1
    • 2016-09-09
    • PCT/IB2016/051211
    • 2016-03-03
    • HUSQVARNA AB
    • JOHANSSON, Jörgen
    • B27B17/04B27B17/12F16C33/34
    • B27B17/04B27B17/12F16C19/26F16C33/34F16C33/6614F16C33/6651F16C2206/40F16C2322/34
    • A chainsaw (100) includes a power unit and a working assembly powered responsive to operation of the power unit. The working assembly includes a guide bar (120) around which a chain is rotatable. The guide bar (120) includes first and second side plates (200 and 210), a sprocket wheel (220), first and second shims (240 and 242), and a bearing assembly (230). The first and second side plates (200 and 210) face each other and extend away from a housing (110) to a nose. The sprocket wheel (230) is provided at the nose between the first and second side plates (200 and 210) and is rotatable about a hub (300). The first and second shims (240 and 242) are disposed between the first and second side plates (200 and 210), respectively, and corresponding ones of first and second sides of the sprocket wheel (220). The bearing assembly (230) is disposed between the hub (300) and the sprocket wheel (220) and includes a plurality of roller elements (320) made of a first material and at least one roller element (325) made of a second material that is different than the first material.
    • 电锯(100)包括动力单元和响应于动力单元的操作供电的工作组件。 工作组件包括导杆(120),链条可绕其旋转。 引导杆(120)包括第一和第二侧板(200和210),链轮(220),第一和第二垫片(240和242)以及轴承组件(230)。 第一和第二侧板(200和210)彼此面对并且远离壳体(110)延伸到鼻部。 链轮(230)设置在第一和第二侧板(200和210)之间的鼻部处,并且可绕轮毂(300)旋转。 第一和第二垫片(240和242)分别设置在第一和第二侧板(200和210)之间,以及链轮(220)的第一和第二侧中的相应的一个。 轴承组件(230)设置在轮毂(300)和链轮(220)之间,并且包括由第一材料制成的多个辊元件(320)和由第二材料制成的至少一个辊元件(325) 这与第一种材料不同。
    • 10. 发明申请
    • CHAINSAW GUIDE BAR ROLLER BEARING SEAL
    • 链条指导棒滚子轴承密封
    • WO2016139634A1
    • 2016-09-09
    • PCT/IB2016/051234
    • 2016-03-04
    • HUSQVARNA AB
    • JOHANSSON, JörgenLILIEGÅRD, Christian
    • B27B17/04B27B17/12
    • B27B17/04B27B17/0008B27B17/025B27B17/12
    • A chainsaw (100) includes a power unit and a working assembly powered responsive to operation of the power unit. The working assembly includes a guide bar (120) around which a chain is rotatable. The guide bar (120) includes first and second side plates (200 and 210), a sprocket wheel (220), first and second shims (240 and 242), and first and second sealing members (244 and 245). The first and second side plates (200 and 210) each face other and extend away from a housing (110) to a nose. The sprocket wheel (220) is provided at the nose between the first and second side plates (200 and 210). The first and second shims (240 and 242) are disposed between the first and second side plates (200 and 210), respectively, and corresponding ones of first and second sides of the sprocket wheel (220). The first sealing member (244) is disposed between the first shim (240) and the first side of the sprocket wheel (220). The second sealing member (245) is disposed between the second shim (242) and the second side of the sprocket wheel (220).
    • 电锯(100)包括动力单元和响应于动力单元的操作供电的工作组件。 工作组件包括导杆(120),链条可绕其旋转。 引导杆(120)包括第一和第二侧板(200和210),链轮(220),第一和第二垫片(240和242)以及第一和第二密封构件(244和245)。 第一和第二侧板(200和210)各自面向其它并且远离壳体(110)延伸到鼻部。 链轮(220)设置在第一和第二侧板(200和210)之间的鼻部处。 第一和第二垫片(240和242)分别设置在第一和第二侧板(200和210)之间,以及链轮(220)的第一和第二侧中的相应的一个。 第一密封构件(244)设置在第一垫片(240)和链轮(220)的第一侧之间。 第二密封构件(245)设置在第二垫片(242)和链轮(220)的第二侧之间。