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1. 发明授权

US11311952B2 Reciprocating saw 有权
公开(公告)号：US11311952B2
公开(公告)日：2022-04-26
申请号：US16260670
申请日：2019-01-29
申请人： MILWAUKEE ELECTRIC TOOL CORPORATION
发明人： James Wekwert , Logan M. Hietpas
IPC分类号： B23D49/16 , B23D51/10 , B23D51/16 , B23D51/01 , B23D51/20
摘要： A reciprocating saw includes a housing defining a motor housing portion, and a motor positioned in the motor housing portion, the motor having a motor output shaft defining a rotational axis, and a motor activation switch within the motor housing portion and adjacent the motor. The reciprocating saw also includes a transmission is positioned downstream of the motor and has a sawbar connectable to a saw blade. The transmission converts a rotational input provided by the motor shaft to a reciprocating output of the sawbar along a reciprocating axis that is either coaxial or parallel with the rotational axis.

2. 发明申请

US20050262708A1 Saber saw tool 有权
标题翻译：军刀锯工具
公开(公告)号：US20050262708A1
公开(公告)日：2005-12-01
申请号：US11122861
申请日：2005-05-05
申请人： Guenter Haas , Louis Widmer
发明人： Guenter Haas , Louis Widmer
IPC分类号： B23D49/04 , B23D49/16 , B23D51/16 , B23D51/20 , B27B3/12 , B27B11/00 , B27B19/02 , B27B19/09
CPC分类号： B23D51/16 , B23D49/165
摘要： The present invention relates to a reciprocating saw tool (10) having a motor drive (17) with a reciprocating driver (21) for a tool (15) and having a mass equilibrating body (22). In addition, a device (20) is provided, which serves to convert a rotary movement of the motor drive (17) into a reciprocating movement of the reciprocating driver (21) along a first movement axis (41) and an opposite reciprocating movement of the mass equilibrating body (22) along a second movement axis (42). For improving the sawing performance, the mass equilibrating body (22) is guided at an angle α to the reciprocating driver (21) so that its movement axis (42) is constantly at an angle to the movement axis (41) of the reciprocating driver (21).
摘要翻译：本发明涉及一种具有电动机驱动器（17）的往复锯工具（10），该马达驱动器具有用于工具（15）的往复式驱动器（21）并具有质量平衡体（22）。另外，提供了一种装置（20），其用于将马达驱动器（17）的旋转运动转换成往复运动驱动器（21）沿着第一运动轴线（41）的往复运动，并且相反的往复运动质量平衡体（22）沿着第二运动轴线（42）。为了提高锯切性能，质量平衡体（22）以往复式驱动器（21）的角度α被引导，使得其移动轴线（42）与往复式驱动器（21）的运动轴线（41）成一定角度（21）。

3. 发明授权

US5063807A Saw such as a jig saw or scroll saw 失效
标题翻译：锯如曲锯或卷锯
公开(公告)号：US5063807A
公开(公告)日：1991-11-12
申请号：US557760
申请日：1990-07-26
申请人： Helmut Abel
发明人： Helmut Abel
IPC分类号： B23D49/16 , B23D51/20
CPC分类号： B23D49/165 , B23D51/20 , Y10T74/18176 , Y10T83/6875 , Y10T83/705 , Y10T83/8876
摘要： The invention pertains to a saw, in particular to a jig saw or scroll saw, with a saw blade which is driven by a force acting on a parallelogram of rods. A saw blade is attached to a connecting shank which joins two longitudinal side arms. The two longitudinal side arms are designed to move in their longitudinal direction. On at least one of the two longitudinal side arms a guide element in the form of, for example, a turning roller, is positively guided against a stationary guide surface which is at an angle, preferablye an acute angle, to the connecting shank. As a result of this positive guidance, the backward movement of the saw blade from the cut edge during the return stroke is reduced to a desired value. Thus a jig saw of small size, but with a large stroke, can be realized in which the saw blade is guided parallel to the cut edge at all times but is moved back by a small amount from the cut edge during the return stroke.
摘要翻译：本发明涉及一种锯，特别涉及一种夹具锯或蜗杆锯，其锯锯具由作用在平行四边形杆上的力驱动。锯片连接到连接两个纵向侧臂的连接柄上。两个纵向侧臂被设计成沿其纵向方向移动。在两个纵向侧臂中的至少一个上，例如转向辊形式的引导元件被主动地引导到与连接柄成一角度，优选为锐角的固定引导表面。作为这种积极引导的结果，在返回冲程期间锯片从切割边缘的向后运动被减小到期望值。因此，可以实现小尺寸的夹具锯，但是具有大的行程，其中锯片始终平行于切割边缘被引导，但是在返回冲程期间从切割边缘向后移动少量。

4. 发明授权

US4253365A Hack sawing machine 失效
标题翻译：劈锯机
公开(公告)号：US4253365A
公开(公告)日：1981-03-03
申请号：US64284
申请日：1979-08-06
申请人： Mario Ragazzini
发明人： Mario Ragazzini
IPC分类号： B23D51/20
CPC分类号： B23D51/20 , Y10T83/6915 , Y10T83/692 , Y10T83/6925 , Y10T83/6935 , Y10T83/70 , Y10T83/8876
摘要： A hack sawing machine is disclosed, which comprises a base, a case, a shaft rotated by a motor, a saw blade bow guided in a sliding movement in the case, a drum cam which causes the blade to have an active forward stroke and a passive return stroke, a two-armed lever (bracket), eleastic means which, rotating the case, bring the blade back into the cut after the passive stroke and a hydraulic system. This system comprises a hydraulic cylinder, a hydraulic circuit having a hydraulic pump to pump oil to the cylinder. The hydraulic circuit acts to maintain a predetermined pressure of the saw blade bow on the workpiece during the active stroke and camming means cause the bow to be raised during the passive stroke.
摘要翻译：公开了一种黑色锯切机，其包括基座，壳体，由马达旋转的轴，在壳体中以滑动运动引导的锯条弓形，使得叶片具有主动向前冲程的滚筒凸轮和被动返回行程，双臂杠杆（支架），旋转壳体的主要装置，在被动行程和液压系统后将刀片带回切口。该系统包括液压缸，液压回路，其具有用于将油泵送到气缸的液压泵。液压回路用于在主动行程期间保持锯片在工件上的预定压力，并且凸轮装置在被动冲程期间使弓抬升。

5. 发明授权

US2239681A Power driven hack saw 失效
标题翻译：动力黑客锯
公开(公告)号：US2239681A
公开(公告)日：1941-04-29
申请号：US30127239
申请日：1939-10-25
申请人： PAUL MARSHALL
发明人： PAUL MARSHALL
IPC分类号： B23D49/16 , B23D51/16 , B23D51/20
CPC分类号： B23D49/16 , B23D51/16 , B23D51/20 , Y10T83/7025

6. 发明申请

US20120096721A1 RECIPROCATING SAW 有权
标题翻译：再生声波
公开(公告)号：US20120096721A1
公开(公告)日：2012-04-26
申请号：US13279910
申请日：2011-10-24
申请人： Robert A. Sinur
发明人： Robert A. Sinur
IPC分类号： B23D51/20
CPC分类号： B23D51/16
摘要： A reciprocating saw includes a motor and a drive shaft driven by the motor. The drive shaft defines a longitudinal axis. The reciprocating saw also includes a wobble plate coupled to the drive shaft. The wobble plate extends from the drive shaft at an oblique angle relative to the longitudinal axis. The reciprocating saw further includes a spindle coupled to and reciprocated by the wobble plate. The spindle has a stroke length. The reciprocating saw also includes an adjustment mechanism coupled to the wobble plate. The adjustment mechanism is operable to adjust the stroke length of the spindle.
摘要翻译：往复锯包括马达和由马达驱动的驱动轴。驱动轴限定纵向轴线。往复锯还包括联接到驱动轴的摆动板。摆盘从驱动轴以相对于纵向轴线倾斜的角度延伸。往复锯进一步包括与摆动板连接并往复运动的主轴。主轴具有行程长度。往复锯还包括联接到摆盘的调节机构。调节机构可操作以调节主轴的行程长度。

7. 发明授权

US07958808B2 Vibration-reducing device for a scroll saw 有权
标题翻译：滚动锯减振装置
公开(公告)号：US07958808B2
公开(公告)日：2011-06-14
申请号：US12213888
申请日：2008-06-26
申请人： Jung-Huo Chen
发明人： Jung-Huo Chen
IPC分类号： B23D49/00 , B23D51/00 , B23D51/20
CPC分类号： B23D49/007 , B23D51/00 , B23D51/16 , B26D1/06 , B26D7/00 , B26D7/08 , Y10T83/688 , Y10T83/705 , Y10T83/9481
摘要： A vibration-reducing device is applied to a scroll saw. The scroll saw includes a body, a U-frame, a block and an actuating device. The U-frame is coupled to the body, and the block and a shaft of the actuating device are eccentrically fastened to each other, and the actuating device is mounted to the body. The vibration-reducing device includes a connector and a pivot arm pivotally coupled to the body. The connector includes a third end rotatably connected to the block, and a fourth end rotatably connected to the pivot arm. When the shaft is rotated, the motion of the center of gravity of the pivot arm in a vertical direction is opposite to the motion of the center of gravity of the U-frame.
摘要翻译：减振装置被应用于涡旋锯。蜗形锯包括主体，U形框架，块体和致动装置。 U形框架联接到主体，并且致动装置的块和轴偏心地彼此紧固，并且致动装置安装到主体。减振装置包括连接器和枢轴连接到主体的枢转臂。连接器包括可旋转地连接到块的第三端和可旋转地连接到枢转臂的第四端。当轴旋转时，枢转臂的重心在垂直方向上的运动与U形框架的重心的运动相反。

8. 发明授权

US4359921A Double-acting cylinder-piston unit for a mechanical frame saw 失效
标题翻译：用于机械框架锯的双作用缸 - 活塞单元
公开(公告)号：US4359921A
公开(公告)日：1982-11-23
申请号：US245031
申请日：1981-03-18
申请人： Paul Stolzer
发明人： Paul Stolzer
IPC分类号： B23D51/18 , B23D51/16 , B23D51/20 , B23D49/04
CPC分类号： B23D51/20 , Y10T83/692 , Y10T83/6935
摘要： A double-acting cylinder piston unit for controlling the feed motion of a saw blade relative to a workpiece in a mechanical frame saw having a stationary machine frame, a housing part pivotally mounted on the machine frame and a saw frame guide movably mounted in the housing part and carrying a saw blade. The piston of the cylinder piston unit is pivotally connected to the machine frame, while the cylinder thereof is pivotally connected to the pivotally mounted housing part. The cylinder includes a cylinder head in the form of a block, and the unit includes a reservoir delimited by one face of the block, a first wall extending from, and substantially perpendicular to, the one face and a second wall spaced from, and substantially parallel to, the face. The block is provided with two bores each defining a portion of a flow path between a respective cylinder chamber and the reservoir; each bore communicates with its associated valve and forms the seat for a throttle valve communicating with its associated chamber. A flow path between the reservoir and one cylinder chamber includes a tube extending within the cylinder and along the axis thereof from that bore in the block which forms a part of the same flow path. The piston is provided with an axially extending bore communicating with the one cylinder chamber and into which said tube extends, and the piston bore is sealed in a manner to permit relative movement, in the axial direction of the cylinder, between the tube and the piston.
摘要翻译：一种双作用圆筒活塞单元，用于在具有固定机架的机械框架锯中控制锯片相对于工件的进给运动，可枢转地安装在机架上的壳体部分和可移动地安装在壳体中的锯框架引导件部分并携带锯片。气缸活塞单元的活塞枢转地连接到机架上，同时其气缸枢转地连接到枢转安装的壳体部分。圆柱体包括块形式的气缸盖，并且该单元包括由该块的一个面限定的储存器，从该一个面延伸并基本上垂直于该一个面的第一壁和与之相隔的第二壁，平行，面对。该块设置有两个孔，每个孔限定相应气缸室和储存器之间的流动路径的一部分; 每个孔与其相关联的阀连通并形成与其相关联的室连通的节流阀的座。储存器和一个气缸室之间的流动路径包括在气缸内延伸并沿其轴线的管中的管，该管形成一个相同流路的一部分。活塞设置有与一个气缸室连通并且所述管延伸的轴向延伸的孔，并且活塞孔以允许在气缸的轴向方向上在管与活塞之间的相对运动的方式被密封。

9. 发明授权

US4359820A Pipe casing cutter 失效
标题翻译：管套管切割机
公开(公告)号：US4359820A
公开(公告)日：1982-11-23
申请号：US203787
申请日：1980-11-03
申请人： Lionel H. Wheeler , James P. Adair
发明人： Lionel H. Wheeler , James P. Adair
IPC分类号： B23D21/04 , B23D49/00 , B23D51/20 , B26D3/16
CPC分类号： B23D49/002 , B23D21/04 , B23D51/20
摘要： An apparatus for cutting pipe and casing. An apparatus for cutting pipe and casing having a hinged frame and using the revolution of the device about the workpiece to simultaneously effect cutting of the workpiece.
摘要翻译：一种用于切割管道和套管的设备。一种用于切割具有铰链框架的管和壳体的设备，并且使用围绕工件的设备的转动来同时实现工件的切割。

10. 发明授权

US4305318A Power frame saw 失效
标题翻译：动力框锯
公开(公告)号：US4305318A
公开(公告)日：1981-12-15
申请号：US148173
申请日：1980-05-08
申请人： Paul Stolzer
发明人： Paul Stolzer
IPC分类号： B23D51/18 , B23D49/04 , B23D51/20
CPC分类号： B23D51/20 , B23D49/04 , Y10T83/5669 , Y10T83/692 , Y10T83/6925 , Y10T83/6935 , Y10T83/7487 , Y10T83/8876
摘要： In a power frame saw having a machine frame, workpiece clamping jaws mounted on the machine frame and relatively movable for clamping a workpiece in a fixed position, a guide member pivotally mounted with weight balancing on the machine frame, a saw bow mounted on the guide member to undergo reciprocating movement in a given direction relative to the guide member, a saw blade held in the bow to extend at an oblique angle to the direction of movement, a drive system connected for imparting such reciprocating movement to the bow to cause the saw blade to perform successive cutting and return strokes, and components for controlling pivotal movement of the guide means relative to the machine frame and including a source of hydraulic pressure fluid, and an adjustment device responsive to the spacing between the clamping jaws to control the advance of the saw blade into the workpiece during each successive cutting stroke.
摘要翻译：在具有机架的动力框架锯中，安装在机架上的工件夹紧爪可相对移动以将工件夹紧在固定位置，在机架上以重量平衡枢轴安装的导向件，安装在导轨上的锯头构件相对于引导构件沿给定的方向进行往复运动，保持在弓中的锯条以与运动方向成倾斜的角度延伸;驱动系统，连接成用于将这种往复运动施加到弓形件以使锯刀片以执行连续的切割和返回冲程，以及用于控制引导装置相对于机架的枢转运动并包括液压流体源的部件，以及响应于夹爪之间的间隔的调节装置，以控制在每个连续的切割行程期间，锯片进入工件。

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