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公开(公告)号：US4276526A
公开(公告)日：1981-06-30
申请号：US115636
申请日：1980-01-23
申请人： Ronald D. Ciarcia , Robert L. Owens
发明人： Ronald D. Ciarcia , Robert L. Owens
摘要： A miniature current limiting circuit breaker incorporates double break circuit interrupting contacts capable of being abruptly separated by a high fault current responsive solenoid acting to first trip the breaker mechanism and then forcibly effect contact separation. The arc chamber is constructed to achieve enhanced blowout of the arc into the arc chute and to develop gas pressures acting to accelerate contact separation. The circuit breaker is trip-free and includes both thermal tripping and internal common tripping capabilities.
摘要翻译： 微型限流断路器包括双断路电路中断触点，其能够被高故障电流响应螺线管突然分开，以首先跳闸断路器机构，然后强制地实现接触分离。 电弧室被构造成实现电弧进入电弧槽的增强的喷射并且产生用于加速接触分离的气体压力。 断路器无跳闸，包括热跳闸和内部公共跳闸功能。
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公开(公告)号：US5878501A
公开(公告)日：1999-03-09
申请号：US907688
申请日：1997-08-08
摘要： A fixed blade utility knife has a housing provided by a lower handle portion, an upper lever portion, and a nosepiece at one end thereof which seats one end of the handle and lever. The lever is pivotably supported on the nosepiece, and a blade holder in the nosepiece is pivotably supported on the handle. The blade is seated in the holder and extends outwardly of the nosepiece, and a blade guard of generally U-shaped cross section extends about the cutting edge and is slidable in the nosepiece to extend outwardly to sheathe the cutting edge and to be withdrawn into the nosepiece to expose the cutting edge. A manipulatable element slidably seated in the nosepiece is engaged with the blade guard to effect its sliding movement. Pivoting of the lever into an open position releases the blade from engagement in the holder so that it may be easily replaced.
摘要翻译： 固定刀片实用刀具有一个由一个下手柄部分，一个上杠杆部分和一个位于手柄和杠杆的一端的鼻梁构成的壳体。 杠杆可枢转地支撑在喷嘴上，并且喷嘴中的刀片保持器可枢转地支撑在手柄上。 叶片位于支架中并且延伸到喷嘴的外侧，并且大致U形横截面的叶片防护件围绕切割边缘延伸，并且可在喷嘴中滑动以向外延伸以覆盖切割边缘并且被拉出到 鼻梁露出刀刃。 可滑动地安置在鼻梁中的可操纵元件与刀片护罩接合以实现其滑动运动。 将杠杆转动到打开位置将刀片释放在保持器中以使其可以容易地更换。
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公开(公告)号：US5406707A
公开(公告)日：1995-04-18
申请号：US258331
申请日：1994-06-10
申请人： Robert L. Owens , W. Gregory Sawyer
发明人： Robert L. Owens , W. Gregory Sawyer
CPC分类号： B26B5/001
摘要： A utility knife has a handle providing a cavity and an opening at one end, and a slide seated in the cavity for sliding movement relative to the opening. Supported on the slide is a knife blade which moves therewith between a position within the cavity and a position projecting outwardly of the opening. The blade has a cutting edge extending along its lower edge, and the slide has a side wall against which the blade is disposed and a base wall upon which a portion of the cutting edge is disposed. The slide has a cam portion configured to produce a horizontal force component on the cutting edge portion of the blade when the cutting edge cuts into the base wall as a result of the cutting force applied by the user on the outwardly projecting blade.
摘要翻译： 实用刀具有在一端提供空腔和开口的手柄，以及安置在空腔中的滑块，用于相对于开口滑动。 在滑块上支撑的是刀片，其在腔内的位置和从开口向外突出的位置之间随之移动。 刀片具有沿其下边缘延伸的切割边缘，并且滑动件具有侧壁，刀片设置在该侧壁上，底壁设置有切割边缘的一部分。 滑动件具有凸轮部分，该凸轮部分构造成当刀片由于使用者施加在向外突出的刀片上的切割力而在切割刃切入基壁时在刀片的切割边缘部分上产生水平力分量。
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公开(公告)号：USD399720S
公开(公告)日：1998-10-20
申请号：US74813
申请日：1997-08-08
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公开(公告)号：USD356047S
公开(公告)日：1995-03-07
申请号：US17847
申请日：1994-01-24
申请人： Robert L. Owens , Robert D. Zuraski
设计人： Robert L. Owens , Robert D. Zuraski
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6.发明授权
公开(公告)号：US5983767A
公开(公告)日：1999-11-16
申请号：US48979
申请日：1998-03-27
CPC分类号： B23Q9/0085 , Y10T83/68 , Y10T83/863 , Y10T83/8773
摘要： The present invention is a saw guiding device for guiding a power saw when cutting a workpiece in the form of either a flat board or an I-beam. The saw guiding device comprises a base member which is to be disposed across end caps of an I-beam. A straight saw guiding surface of the base member is configured such that a power saw can be engaged therewith and slidably moved therealong to thereby guide the power saw in a straight line as it cuts the I-beam. The base member includes an upwardly facing saw supporting surface disposed adjacent the straight saw guiding surface. The upwardly facing saw supporting surface is constructed and arranged to support the power saw as it is engaged with and slidably moved along the straight saw guiding surface between the end caps of the I-beam. The base member has a workpiece edge engaging structure extending downwardly therefrom. A movable workpiece edge engaging structure is constructed and arranged to be moved through a range of operative positions. The movable workpiece engaging structure is fixable at various locations within the operative range. Both the workpiece edge engaging structure and the movable workpiece edge engaging structure are simultaneously engageable with one edge of an I-beam end cap when the base member is disposed across the end caps and the workpiece engaging structure is fixed at one of the various locations of the range of operative positions to set a desired cutting angle at which the straight saw guiding surface is disposed.
摘要翻译： 本发明是用于在以平板或工字钢的形式切割工件时引导动力锯的锯引导装置。 锯条引导装置包括一个基本构件，该基座件将设置成横跨工字梁的端盖。 基部构件的直线导引面被构造成使得动力锯可以与其接合并且可滑动地沿其移动，从而在切割工字梁时引导电锯在直线上。 基部构件包括邻近直锯导向表面设置的面向上的锯支撑表面。 向上的锯支撑表面被构造和布置成支撑电锯，因为它与I型梁的端盖之间的直锯导向表面接合并可滑动地移动。 基部构件具有从其向下延伸的工件边缘接合结构。 可移动的工件边缘接合结构被构造和布置成移动通过一定范围的操作位置。 可动工件接合结构可固定在工作范围内的各种位置。 当基部构件跨过端盖布置时，工件边缘接合结构和可移动工件边缘接合结构都可同时与I型端盖的一个边缘接合，并且工件接合结构固定在 设置直锯引导表面所期望的切割角度的操作位置的范围。
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公开(公告)号：US4752233A
公开(公告)日：1988-06-21
申请号：US75801
申请日：1987-07-20
摘要： An adapter module allows circuit breakers and disconnect switches of varying ratings to be installed within a common power panel enclosure. The adapter consists of a plastic base member through which multiple contact jaws extend for plugging onto the individual phase buses of a multi-phase power system. The opposite ends of the jaws include means for connecting with the line terminal of both the electric circuit breakers as well as the electric disconnect switches.
摘要翻译： 适配器模块允许将不同额定值的断路器和断开开关安装在公共电源面板外壳内。 适配器由塑料基座构件组成，多个接触爪通过该基座构件延伸以插入到多相电力系统的单相相位总线上。 钳口的相对端包括用于与两个电路断路器的线路端子以及电气断开开关连接的装置。
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公开(公告)号：US06393958B1
公开(公告)日：2002-05-28
申请号：US09373730
申请日：1999-08-13
IPC分类号： B26D701
CPC分类号： B27G5/026 , B27G5/02 , Y10T83/695 , Y10T83/76 , Y10T83/8773
摘要： The present invention relates to a mitre box that is used to guide a saw through a series of cutting strokes as it cuts through a workpiece during a workpiece cutting operation. One aspect of the invention relates to a mitre box that has a pair of aligned slots that extend 90° with respect to the edge of the workpiece, a pair of aligned slots that extend 45° with respect to the edge of the workpiece, and a pair of aligned slots that extend 67½° with respect to the edge of the workpiece. Another aspect of the invention relates to a mitre box that has an open elongated well for temporarily storing a marking tool during the cutting operations. Another aspect of the invention relates to a molded plastic mitre box that has a storage space extending below the workpiece supporting surface of the base for temporarily storing the saw between cutting operations. Yet another aspect of the invention relates to a mitre box that has a storage space for temporarily storing the saw below the workpiece supporting surface and a releaseable locking member for keeping the saw in the storage space.
摘要翻译： 本发明涉及一种斜切箱，用于在切割工件期间切割锯切工件时，通过一系列切割行程来引导锯片。 本发明的一个方面涉及一种具有相对于工件边缘延伸90°的一对对准的狭槽的斜切箱，一对相对于工件的边缘延伸45°的一对排列的槽， 一对对准的槽相对于工件的边缘延伸67½°。 本发明的另一方面涉及一种斜切箱，其具有用于在切割操作期间临时存储标记工具的开放的细长井。 本发明的另一方面涉及一种模制塑料斜切箱，其具有在基座的工件支撑表面下方延伸的存储空间，用于在切割操作之间临时存储锯。 本发明的另一方面涉及一种斜切箱，其具有用于在工件支撑表面下暂时存放锯的存储空间和用于将锯保持在存储空间中的可释放的锁定构件。
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公开(公告)号：USD320385S
公开(公告)日：1991-10-01
申请号：US342762
申请日：1989-04-24
申请人： Robert L. Owens , Paul D. Carpenter
设计人： Robert L. Owens , Paul D. Carpenter
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公开(公告)号：US4902864A
公开(公告)日：1990-02-20
申请号：US281614
申请日：1988-12-09
IPC分类号： H01H21/42
CPC分类号： H01H21/42
摘要： A fast operating disconnect switch minimizes the arc that occurs when the switch contacts are opened or closed by operation of a rotor assembly while the switch is electrically energized. A powerful operating spring within the operating mechanism under the control of a handle operator assembly overcenters upon the ON-OFF as well as OFF-ON movement of the handle operator. The handle operator assembly is adapted for either left-hand or right-hand mounting to a common rotor assembly.
摘要翻译： 快速操作断开开关使开关触点通过转子组件的操作打开或关闭时发生的电弧最小化，同时开关被通电。 在手柄操作器组件的控制下，操作机构内的强大的操作弹簧在手柄操作者的ON-OFF以及OFF-ON移动时超过中心。 手柄操作器组件适用于左旋或右手安装到公共转子组件。
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