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1. 发明申请

US20170274463A1 CONVERTIBLE ZERO-CLEARANCE CIRCULAR SAW 审中-公开
公开(公告)号：US20170274463A1
公开(公告)日：2017-09-28
申请号：US15377760
申请日：2016-12-13
申请人： Cuz-D Manufacturing, Inc., dba Cuzdey R&D
发明人： Jacob Cuzdey
IPC分类号： B23D45/16 , B27B9/02 , B23D61/02
CPC分类号： B23D45/16 , B23D61/025 , B27B5/08 , B27B9/02 , Y10T83/9319
摘要： A portable zero clearance circular saw including a motor frame portion with a transverse oriented drive shaft and arbor coupled to the drive shaft, a handle portion with a hand grip coupled to the motor frame portion aft end, a planar blade deck on a first lateral side, a movable blade shield rotatably mounted coaxial with the drive shaft and having a sidewall with a edge face coplanar with the blade deck, a trigger proximate the hand grip to move the blade shield, and a blade couplable to the drive shaft against the arbor, such that the blade outer surface is flush with the blade deck and blade shield sidewall. The handle portion may be rotatably coupled to the motor frame portion, and may include two laterally disposed blade shield triggers operably coupled to the blade shield via a dual pulley system.

2. 发明申请

US20100299944A1 CUTTING OR SAWING MACHINE 有权
标题翻译：切割机械
公开(公告)号：US20100299944A1
公开(公告)日：2010-12-02
申请号：US12747634
申请日：2007-12-13
申请人： Tommy Hellberg
发明人： Tommy Hellberg
IPC分类号： B23D45/16 , B28D1/04
CPC分类号： B28D1/048 , B23D45/003 , B23D45/16 , B23D45/165 , B27B5/08
摘要： A preferred embodiment of a hand-operated flush cutting machine (1) comprises a front section (3) with a first and a second disc shaped cutter blade (7, 8) which are rotary about an axis of rotation (26) and mounted in the front end of an elongated tool carrier (11) having the substantial shape of a flat bar. The tool carrier is mounted to a rear section (2) of the machine. The rear section (2) is provided with a number of components, including a motor (17) for driving the cutter blades via a power transmission as well as handles (13, 16) and a control (25) for operating the machine. The first, right hand side cutter blade (7) has a first side, which does not face the second cutter blade. Said first side defines a first plane (21) which does not intersect any component in said front or rear sections.
摘要翻译：手动冲切机（1）的优选实施例包括具有第一和第二盘形切割刀片（7,8）的前部分（3），其围绕旋转轴线（26）旋转并安装在具有扁平杆的基本形状的细长工具架（11）的前端。工具架安装在机器的后部（2）上。后部（2）设置有多个部件，包括用于通过动力传动驱动切割刀片的马达（17）以及用于操作机器的手柄（13,16）和控制器（25）。第一右手侧刀片（7）具有不与第二刀片相对的第一侧。所述第一侧限定不与所述前部或后部中的任何部件相交的第一平面（21）。

3. 发明申请

US20070131212A1 METHOD FOR REMOVING TRIP HAZARDS IN CONCRETE SIDEWALKS 有权
标题翻译：解决混凝土边坡危害的方法
公开(公告)号：US20070131212A1
公开(公告)日：2007-06-14
申请号：US11613638
申请日：2006-12-20
申请人： M. Gardner
发明人： M. Gardner
IPC分类号： B28D1/04 , B24B1/00
CPC分类号： B24B23/028 , B23D45/16 , B24D5/123 , B24D5/16 , B27B5/08 , B27B5/32 , B28D1/04
摘要： A method for cutting a chamfer on an edge of a concrete slab, the method comprising the steps of: making a generally planar cut, beginning a distance from the edge, with a generally circular, generally laminar concrete saw blade rotatably powered by a right-angle grinder motor, the generally planar cut being made at a desired angle and creating a cantilevered ledge above the generally planar cut; fracturing and removing at least a portion of the cantilevered ledge from the slab whenever an edge of the cantilevered ledge is proximate the hub; and continuing the generally planar cut until the cantilevered ledge is severed from the slab.
摘要翻译：一种用于在混凝土板的边缘上切割倒角的方法，所述方法包括以下步骤：通过大致圆形的，大体上层状的混凝土锯片制成从边缘开始一段距离的大致平面的切口，角磨机马达，大致平面的切口以所需的角度制成，并在大致平面的切口上方形成悬臂式突出部; 每当悬臂梁的边缘靠近轮毂时，从板上破碎和去除悬臂梁的至少一部分; 并且继续大致平面切割，直到悬臂梁从板上切断。

4. 发明授权

US07143760B2 Method for removing trip hazards in concrete sidewalks 有权
标题翻译：去除混凝土人行道上的行车危险的方法
公开(公告)号：US07143760B2
公开(公告)日：2006-12-05
申请号：US11358755
申请日：2006-02-21
申请人： M. Ballard Gardner
发明人： M. Ballard Gardner
IPC分类号： B26D3/00
CPC分类号： B24B23/028 , B23D45/16 , B24D5/123 , B24D5/16 , B27B5/08 , B27B5/32 , B28D1/04
摘要： A method for cutting a chamfer on an edge of a concrete slab, comprising the steps of: providing a generally circular, rotatable concrete saw blade that is coupled to a right-angle grinder motor with a blade-mounting hub having no blade attachment hardware projecting below a lower major surface of the blade; making an initial planar cut at a desired angle beginning a distance from the edge, thereby creating an initial cantilevered ledge above the initial cut; if the initial cantilevered ledge is not severed from the slab by a cutting action of the blade before the hub is proximate an edge of the initial cantilevered ledge, then fracturing and removing the initial cantilevered ledge from the slab; and making at least one subsequent planar cut continuous with the initial cut and any necessary fracturings and removals of subsequent cantilevered ledges until the chamfer is complete.
摘要翻译：一种用于在混凝土板的边缘上切割倒角的方法，包括以下步骤：提供大致圆形的可旋转的混凝土锯片，其与直角磨床电动机相连接，叶片安装毂没有叶片附接硬件突出在叶片的下主表面下方; 在与边缘开始一定距离的期望角度处进行初始平面切割，从而在初始切割之上产生初始悬臂突起; 如果在轮毂靠近初始悬臂梁的边缘之前，通过叶片的切割作用，初始悬臂梁不会从板块上切断，则从板坯上压裂和移除初始悬臂梁; 并且进行至少一个随后的平面切割与初始切割连续，以及随后的悬臂梁的任何必要的压裂和移除，直到倒角完成。

5. 发明授权

US07047650B2 Hand-operated circular saw having blade cutting depth adjustment device 失效
标题翻译：手动圆锯具有刀片切割深度调节装置
公开(公告)号：US07047650B2
公开(公告)日：2006-05-23
申请号：US10791724
申请日：2004-03-04
申请人： Yuehting Chen
发明人： Yuehting Chen
IPC分类号： B27B9/02
CPC分类号： B27F5/023 , B27B5/08 , B27B9/02
摘要： A hand-operated circular saw having blade cutting depth the adjustment device includes a hollow interior tubular body having a hand grasp portion, a head portion, a motor disposed in the head portion to operate a threaded axis protrude from a threaded circular protrusion on an outer side of head portion, an upper plate secured to the outer side including a circular hole engaged with the circular protrusions, a pair of pivotal tubes and a pair of horizontal arc protrusions on the top, a guard plate, a pad ring, an internally thread tube and a saw blade sequentially secured to the axis, a lower plate connected to a pair of cylinder rods inside the pivotal tubes, a pair of quickly operated bolts in the top of the pivotal tubes for adjusting the vertical positions of the lower plate and the saw blade, and a cutting depth adjustment device.
摘要翻译：一种具有刀片切割深度的手动圆锯，该调节装置包括具有手握部分的中空内部管状体，头部部分，设置在头部部分中的马达，用于操作螺纹轴线，该螺纹轴线从外部的螺纹圆形突起突出头部的一侧，固定到外侧的上板，包括与圆形突起接合的圆形孔，一对枢转管和顶部上的一对水平弧形突起，保护板，衬垫环，内螺纹管和锯片顺序地固定到轴线上，下板连接到枢转管内的一对气缸杆，在枢转管的顶部的一对快速操作的螺栓，用于调节下板的垂直位置和锯片和切割深度调节装置。

6. 发明申请

US20020166244A1 Undercut saw with central height adjustment 失效
标题翻译：底切锯具有中心高度调节
公开(公告)号：US20020166244A1
公开(公告)日：2002-11-14
申请号：US09852170
申请日：2001-05-10
发明人： Dan Williams
IPC分类号： B23D019/00 , B27B009/00
CPC分类号： B27B9/02 , B27B5/08
摘要： An undercut saw (10) having a central axis (11) generally comprises a cutting assembly (20) and a base (60). Cutting assembly (20) comprises case (30) housing electric motor (24) that drives shaft (40), upon which saw blade (50) is mounted. Base (60) supports cutting assembly (20) above a support surface and comprises cylindrical sleeve (63) supporting case (30) such that central axis (11) is vertical, horizontal portion (94), and vertical leg portion (96) extending down from the periphery of horizontal portion (94) and terminating in foot (98) for resting on a support surface. Case (30) and sleeve (63) are cooperatively adapted such that case (30) may be selectively moved vertically within sleeve (63) and retained in the selected position so as to adjust the height of blade (50) relative to foot (98). In a first preferred embodiment, case (30) and sleeve (63) include cooperating screwing means for adjusting blade (50) height. Line cord (26) departs motor assembly (22) along central axis (11).
摘要翻译：具有中心轴线（11）的底切锯（10）通常包括切割组件（20）和基座（60）。切割组件（20）包括壳体（30），其容纳驱动轴（40）的电动机（24），锯片（50）安装在所述壳体上。基座（60）支撑在支撑表面上方的切割组件（20），并且包括圆柱形套筒（63）支撑壳体（30），使得中心轴线（11）是垂直的水平部分（94）和垂直的支脚部分（96）从水平部分（94）的周边向下并且终止于脚（98），用于搁置在支撑表面上。壳体（30）和套管（63）共同适应，使得壳体（30）可以选择性地在套筒（63）内垂直移动并保持在选定位置，以便调节刀片（50）相对于脚部（98）的高度）。在第一优选实施例中，壳体（30）和套筒（63）包括用于调节叶片（50）高度的协作螺纹装置。线路线（26）沿着中心轴线（11）离开马达组件（22）。

7. 发明授权

US5967013A Corner undercut jamb saw 失效
标题翻译：角落底切边框锯
公开(公告)号：US5967013A
公开(公告)日：1999-10-19
申请号：US915879
申请日：1997-08-21
申请人： Ray W. McKenzie , Andrew N. Hegdahl
发明人： Ray W. McKenzie , Andrew N. Hegdahl
IPC分类号： B27B5/08 , B27B9/02 , B27F5/02 , B23D19/00
CPC分类号： B27B9/02 , B27B5/08 , B27F5/023 , Y10T83/667 , Y10T83/7755 , Y10T83/7763 , Y10T83/7784
摘要： A powered circular saw blade on a vertical shaft is supported on a slide which is slideably mounted on a guideway having feet to enable moving the assembly around on a building sub-floor. The feet are adjustable to enable raising or lowering the guideway base and, thereby, the saw blade. A blade guard is affixed to the guideway base and shaped to admit the saw assembly to an inside corner of a building room. The blade is normally retracted behind the blade guard but can be advanced to position ahead of the guard as the guard is braced against a door jamb or the like and the slide is pushed toward the door jamb to advance the blade into cutting position. Immediately upon release of the advancing force manually applied, a return spring returns the blade to retracted protected position.
摘要翻译：在垂直轴上的动力圆锯片支撑在滑动件上，滑块可滑动地安装在具有脚的导轨上，以使组件能够在建筑物底层上移动。脚是可调节的，以便能够升高或降低导轨底座，从而使锯片成为可能。刀片防护罩固定在导轨基座上并成形为允许锯组件接纳到建筑房间的内角。刀片通常在刀片防护罩后方缩回，但是当防护件支撑在门框等上时，可以将其推进到防护罩的前方，并将滑块推向门侧柱以将刀片推入切割位置。手动施加的推进力释放后，复位弹簧将刀片返回到缩回保护位置。

8. 发明授权

US5784789A Rotary trim saw 失效
标题翻译：旋转装饰锯
公开(公告)号：US5784789A
公开(公告)日：1998-07-28
申请号：US715443
申请日：1996-09-18
申请人： Joseph J. Vargas
发明人： Joseph J. Vargas
IPC分类号： B27B5/08 , B27B9/04
CPC分类号： B27B5/08 , Y10T409/306608
摘要： According to the present invention, a rotary trim saw includes a rotary drive shaft coupled to a source of rotary power, while a sleeve is disposed about the drive shaft. The drive shaft is arranged for rotation relative to the sleeve. Also, a rack is disposed on an outer surface of the sleeve and parallel to the drive shaft, and a circular cutting blade is disposed at an end of the drive shaft. A base is attached and has a pinion for engaging the rack and an adjustment knob coupled to the pinion for controlling the position of the blade relative to the base. The rotary trim saw may also have a base having surface engaging wheels attached to the base such as ball bearings although other types of wheels would also suffice such as coaster wheels. The base may also include a set screw for locking the base to the sleeve, so as to lock the cutting blade relative to the base or may also include a level attached to aid in determining a cutting angle. Retractable safety shields may also be attached to the base. The shields extend outwardly from the base so as to shield the cutting blade when not being used to cut. In addition, the base may further include an adjustable element for tilting the base so as to set a cutting angle relative to a surface on which the base is disposed. The rotary trim saw may also include a toe-kick attachment having a safety cover for making vertical plunge cuts, the cover removably connecting in two positions to the sleeve and having a locking screw.
摘要翻译：根据本发明，旋转修剪锯包括连接到旋转动力源的旋转驱动轴，同时围绕驱动轴设置套筒。驱动轴布置成相对于套筒旋转。此外，在套筒的外表面上设置有平行于驱动轴的齿条，并且在驱动轴的端部设有圆形切割刀片。基座被连接并且具有用于接合齿条的小齿轮和联接到小齿轮的调节旋钮，用于控制叶片相对于基座的位置。旋转修剪锯还可以具有底座，其具有附接到基座的表面接合轮，例如球轴承，尽管其他类型的车轮也足以例如过山车轮。基座还可以包括用于将基座锁定到套筒上的固定螺钉，以便相对于基座锁定切割刀片，或者还可以包括附接的水平面以有助于确定切割角度。可伸缩的安全防护罩也可以附着在基座上。屏蔽件从基座向外延伸，以便在不用于切割时屏蔽切割刀片。此外，底座还可以包括用于使底座倾斜的可调节元件，以便相对于设置有底座的表面设定切割角度。旋转修剪锯还可以包括脚趾附件，其具有用于制造垂直插入切口的安全盖，所述盖可拆卸地连接到两个位置到套筒并具有锁定螺钉。

9. 发明授权

US4463636A Holding fixture and trimmer for PC boards 失效
标题翻译：保持PC板的夹具和修剪器
公开(公告)号：US4463636A
公开(公告)日：1984-08-07
申请号：US352111
申请日：1982-02-25
申请人： Martin G. Heller , Edward Pecha , Douglas Smith , Joel Rudder
发明人： Martin G. Heller , Edward Pecha , Douglas Smith , Joel Rudder
IPC分类号： B23D45/02 , B23D45/12 , B23D47/04 , B27B5/08 , B28D1/04 , H05K13/00 , B26D1/00
CPC分类号： H05K13/0061 , B23D45/02 , B23D45/12 , B23D47/045 , B27B5/08 , B28D1/046 , Y10S83/01 , Y10S83/942 , Y10T83/04 , Y10T83/626 , Y10T83/6544 , Y10T83/6563 , Y10T83/6572 , Y10T83/6579 , Y10T83/6608 , Y10T83/74 , Y10T83/7734
摘要： The trimming apparatus and fixture for holding a PC board prior to and during trimming of an upper surface of the PC board utilizes a trimming blade rotated by a variable speed motor. This apparatus includes X and Y motion mechanism moved by hand grips that are spaced apart and cooperate with push button switches providing a safety control circuit. The X and Y motion mechanism employs linear ball bushings mounted and movable on hardened steel shafts. Removable holding fixtures are employed to hold and retain the PC boards during trimming. One holding fixture is used for PC boards that are not warped and not likely to warp. This fixture holds the PC board on three sides and a quick acting cam clamp is actuated to retain and release a PC board. Another fixture is adapted to hold and retain a PC board that is warped or likely to warp. Vacuum is used with a plurality of standoffs to establish the desired holding plane of this PC board. A quick opening aperture is uncovered to release both negative pressure and the PC board after trimming. A third fixture employs a top plate which is positioned by dowells. On this fixture and in this plate is formed a plurality of receiving openings for PC boards of small and/or irregular size. Vacuum is also employed as well as standoffs. The interior chamber of this fixture is provided with a quick opening lever plate that is manipulated to uncover an aperture and bring the interior of the fixture to atmospheric pressure.
摘要翻译：用于在PC板的上表面修剪之前和期间保持PC板的修整装置和夹具利用由变速电动机旋转的修剪刀片。该装置包括通过手柄移动的X和Y运动机构，其间隔开并与提供安全控制电路的按钮开关配合。 X和Y运动机构采用线性球轴承安装并可在硬化钢轴上移动。采用可移动的固定夹具来修整PC板。一个固定夹具用于不翘曲且不可能翘曲的PC板。该夹具将PC板保持在三面，并启动快速动作的凸轮夹，以保持和释放PC板。另一个夹具适于夹持和保持翘曲或可能翘曲的PC板。真空与多个支座一起使用以建立该PC板的期望的保持平面。未打开快速打开孔径以在修剪后释放负压和PC板。第三个装置采用通过定位销定位的顶板。在该夹具上，在该板上形成有多个用于小尺寸和/或不规则尺寸的PC板的容纳开口。也采用真空以及支座。该固定装置的内部腔室设置有快速开启杆板，其被操纵以露出孔并使夹具的内部达到大气压力。

10. 发明授权

US3331409A Slidable guard and gauge for portable power saw 失效
标题翻译：用于便携式电锯的可滑动防护罩和规格
公开(公告)号：US3331409A
公开(公告)日：1967-07-18
申请号：US46786765
申请日：1965-06-29
申请人： ANTON J ZUPANCIC DOING BUSINES
发明人： REED CHARLES E , REED HOLLIS E
IPC分类号： B23Q9/00 , B27B5/08 , B27B5/32 , B27G19/04
CPC分类号： B27G19/04 , B23Q9/0014 , B27B5/08 , B27B5/32

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