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公开(公告)号：US5488337A
公开(公告)日：1996-01-30
申请号：US102190
申请日：1993-08-05
申请人： Dean A. Hubbard , Donald A. Link , David S. Hunter
发明人： Dean A. Hubbard , Donald A. Link , David S. Hunter
CPC分类号： H01H9/0264
摘要： A molded insulator has a bottom wall, opposed sidewalls, and a transverse end wall extending between the sidewalls but spaced from the end of the bottom wall to define an opening in the bottom. A distribution lug is inserted from an open end of the insulator against the end wall, and under projections on inner surfaces of the sidewalls to trap the insulator against the end wall, and under projections on inner surfaces of the sidewalls to trap the insulator against up and down movement. The lug is attached to a circuit breaker terminal at the opening in the bottom to trap the end wall between the lug and the circuit breaker, blocking withdrawal of the insulator. A depending rib provides distal end support, while lateral ribs abut edges of barriers in the breaker housing to maintain the assembly properly aligned for electrical spacing.
摘要翻译： 模制绝缘体具有底壁，相对的侧壁和在侧壁之间延伸但与底壁的端部间隔开的横向端壁，以限定底部的开口。 分配凸耳从绝缘体的开口端插入端壁，并且在侧壁的内表面上的突起下方，以将绝缘体捕获在端壁上，并且在侧壁的内表面上的突起下方，以将绝缘体向上捕获 和下移。 接线片连接到底部开口处的断路器端子，以将端壁捕获在凸耳和断路器之间，阻止绝缘体的抽出。 悬垂的肋提供远端支撑，而横向肋抵靠断路器壳体中的阻挡层的边缘，以使组件适当地对准电气间隔。
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公开(公告)号：US4825338A
公开(公告)日：1989-04-25
申请号：US192997
申请日：1988-05-12
摘要： A flat plastic retainer having a loop at one end rotatably receiving a threaded fastener and a tongue and outboard fingers unidirectionally extending from the loop to engage an essentially upright leg of a terminal of a circuit breaker, has lateral projections on the tongue which are compressed when the tongue is inserted through an opening in the leg of the terminal and expand when the projections pass beyond the opposite side of the terminal to resist pull-out of the retainer from the terminal. The outboard fingers are deflected along the terminal to bias the fastener into engagement with an associated leg of the terminal having an opening through which one portion of a threaded fastener pair projects to engage the other portion.
摘要翻译： 平坦的塑料保持器，其一端具有可旋转地接收螺纹紧固件的环，以及从环路单向延伸以接合断路器的端子的基本上直立的腿部的舌形和外侧手指，在舌头上具有被压缩的侧向突起， 舌片通过端子腿部的开口插入，并且当突起超出端子的相对侧时膨胀，以阻止保持器从端子拉出。 外侧指状物沿着端子偏转，以将紧固件偏置成与具有开口的端子的相关腿接合，通过该开口，螺纹紧固件对的一部分穿过该开口突出以与另一部分接合。
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公开(公告)号：US4937704A
公开(公告)日：1990-06-26
申请号：US263317
申请日：1988-10-27
IPC分类号： H02B1/056
CPC分类号： H02B1/056
摘要： Rejection of a twin circuit breaker at panelboard mounting positions not designated to receive a twin breaker is achieved by extending the hook of the twin breaker outwardly beyond the panelboard rail to prevent anchoring the outboard end of the twin breaker at non-designated positions, thereby indicating obviously improper installation. The rail is provided with outward extensions at designated mounting positions which do engage with the twin breaker hook to anchor the outboard end, such extension in a preferred embodiment being part of an adapter attached to the panelboard.
摘要翻译： 通过将双断路器的钩子向外延伸超过电路板导轨来实现不指定接收双断路器的电路板安装位置处的双电路断路器的阻挡，以防止将双断路器的外侧端锚定在非指定位置，从而指示 显然安装不当 导轨在指定的安装位置处设有向外的延伸部，其与双断路器钩接合以锚定外侧端，在优选实施例中，该延伸部是连接到电路板的适配器的一部分。
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公开(公告)号：US4929919A
公开(公告)日：1990-05-29
申请号：US211739
申请日：1988-06-27
IPC分类号： H01H71/24
CPC分类号： H01H71/2472
摘要： A twin unit circuit breaker has a V-shaped stainless steel combination armature pivot and bias spring, a central offset portion on the armature to increase the armature surface area that is substantially uniformly spaced to pole faces of a pole piece, a thin profile connection of an operating spring with a latch lever, and a preformed U-shaped conductor attachable in circuit between a bimetal and a flexible conductor and insertable over a pole piece from one end thereof.
摘要翻译： 双单元断路器具有V形不锈钢组合电枢枢转和偏置弹簧，电枢上的中心偏移部分，以增加与极片的极面基本上均匀间隔的电枢表面积，薄型轮廓连接 具有闩锁杆的操作弹簧和可连接在双金属和柔性导体之间的电路中的预成型的U形导体，并且可从其一端插入到极片上。
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5.发明授权Molded case circuit breaker having movable contact finger releasably locked to an operating mechanism 失效具有可移动接触指状物的可拆卸地锁定到操作机构的塑壳断路器
公开(公告)号：US5517164A
公开(公告)日：1996-05-14
申请号：US491772
申请日：1995-06-19
申请人： Walter M. Zoller , Donald A. Link , Michael R. Larsen , David S. Hunter , Edward L. Wellner , Peter J. Theisen
发明人： Walter M. Zoller , Donald A. Link , Michael R. Larsen , David S. Hunter , Edward L. Wellner , Peter J. Theisen
CPC分类号： H01H77/105 , H01H1/226
摘要： A subframe is coaxially pivotally mounted with a movable frame of the operating mechanism of a molded case circuit breaker and is locked to the frame by a bell crank pawl which is pivotally mounted on the subframe. A leaf spring assembly rigidly attached to the subframe overlies the movable contact finger to engage the same in the circuit ON condition of the circuit breaker to provide desired contact force. The bell crank pawl is released upon an incrementally small amount of initial movement of the movable contact arm in response to blow-open magnetic repulsion forces to release the movable contact finger for pivotal opening movement relative to the movable frame of the circuit breaker operating mechanism.
摘要翻译： 子框架同轴地安装有模制外壳断路器的操作机构的可移动框架，并且通过可枢转地安装在子框架上的钟形曲柄爪而锁定到框架。 刚性地附接到子车架的板簧组件覆盖着可动接触指，以将其与断路器的电路接通状态接合，以提供所需的接触力。 响应于吹出的磁性排斥力，可动接触臂的初始移动递增地少量释放钟形曲柄爪以释放可动接触指以相对于断路器操作机构的可移动框架的枢转打开运动。
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6.发明授权Molded case circuit breaker with interchangeable trip unit having bimetal assembly which registers with permanent heater transformer airgap 失效具有可互换跳闸单元的塑壳式断路器，具有双金属组件，其与永久性加热器变压器气隙配准
公开(公告)号：US5608367A
公开(公告)日：1997-03-04
申请号：US565764
申请日：1995-11-30
申请人： Walter M. Zoller , David S. Hunter, Jr. , Edward L. Wellner , Michael R. Larsen , Peter J. Theisen , Donald A. Link
发明人： Walter M. Zoller , David S. Hunter, Jr. , Edward L. Wellner , Michael R. Larsen , Peter J. Theisen , Donald A. Link
CPC分类号： H01H71/7418 , H01H71/7409 , H01H2071/165
摘要： In a molded case circuit breaker with an interchangeable thermalmagnetic trip unit, the C-shaped heater transformer core is permanently held in place in the casing by a load bus strap with the gap in the core facing the trip unit. When the interchangeable trip unit is inserted into the molded casing, a magnetically permeable member mounted in the trip unit is aligned in the gap in the heater transformer core. The bimetal of the trip unit is fixed at one end to an electrically conductive sleeve surrounding the magnetically permeable member and forming the secondary of the heater transformer. The length of the magnetically permeable member is selected to establish the current conditions at which the bimetal trips the circuit breaker. The bus strap has an off-set section forming a first shoulder against which one wall of the housing of the interchangeable trip unit seats, and a second shoulder against which a pole piece backed by the heater transformer core seats to fix a gap between the pole piece and the armature in the interchangeable trip unit providing the instantaneous magnetic trip function.
摘要翻译： 在具有可互换热磁脱扣单元的模制外壳断路器中，C形加热器变压器芯通过负载总线带永久地保持在壳体中的适当位置，其中芯的间隙面向跳闸单元。 当可互换跳闸单元插入模制壳体中时，安装在跳闸单元中的导磁构件在加热器变压器芯的间隙中对准。 跳闸单元的双金属一端固定在导电套筒周围，该导电套管围绕导磁部件并形成加热变压器的次级。 选择导磁构件的长度以确定双金属片跳闸断路器的电流条件。 总线带具有形成第一肩部的偏移部分，可互换跳闸单元的壳体的一个壁可抵靠第一肩部，第二肩部，由加热器变压器芯部支撑的极靴座抵靠在该第二肩部以固定杆之间的间隙 并且可互换跳闸单元中的电枢提供瞬时磁脱扣功能。
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7.发明授权Molded case circuit breaker with improved high fault current interruption capability 失效具有改进的高故障电流中断能力的塑壳断路器
公开(公告)号：US4527027A
公开(公告)日：1985-07-02
申请号：US602293
申请日：1984-04-20
CPC分类号： H01H77/108 , H01H1/5822 , H01H71/0257 , H01H71/504 , H01H9/041
摘要： A contact structure (40, 44; 62, 63) is arranged to provide oppositely directed parallel current paths within a closed loop magnetic flux amplifier (46) to be directly separable under high overload current conditions, the flux amplifier (46) functioning to arrest the movable contact (62, 63) momentum. Manufacturing economies are realized by subassembling the stationary contact structure (40, 42, 44) and flux amplifier (46) and subsequently trapping one end (42a) of that assembly within the base (4a) and securing the other end with a single screw (68). The movable contact arm (62) comprises a plurality of blanked laminations assembled to provide improved contact (63) mounting and bearing (62d) surfaces. The molded case sidewalls are strengthened in the contact separation area by offsetting the parting line (PL) between cover (6) and base (4) closer to the bottom of base (4) and overlapping the thinner base sidewalls with thicker cover sidewalls at the offset (4e, 6e).
摘要翻译： 接触结构（40,44; 62,63）被布置成在闭环磁通量放大器（46）内提供相反方向的平行电流路径，以在高过载电流条件下直接分离，所述磁通放大器（46）用于阻止 活动触点（62,63）动量。 制造经济体通过将固定接触结构（40,42,44）和通量放大器（46）分组并随后将该组件的一端（42a）捕获在基座（4a）内并且用另一端固定在单个螺钉 68）。 可移动接触臂（62）包括多个冲切的叠片，组装成提供改进的接触（63）安装和轴承（62d）表面。 通过使盖（6）和基部（4）之间的分离线（PL）偏离靠近底座（4）的底部，模制壳体侧壁在接触分离区域中被增强，并且在较薄的基部侧壁与较厚的侧壁重叠 偏移（4e，6e）。
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8.发明授权Molded case circuit breaker with improved high fault current interruption capability 失效具有改进的高故障电流中断能力的塑壳断路器
公开(公告)号：US4470027A
公开(公告)日：1984-09-04
申请号：US399086
申请日：1982-07-16
CPC分类号： H01H77/108 , H01H1/5822 , H01H71/0257 , H01H71/504 , H01H9/041
摘要： A contact structure (40, 44; 62, 63) is arranged to provide oppositely directed parallel current paths within a closed loop magnetic flux amplifier (46) to be directly separable under high overload current conditions, the flux amplifier (46) functioning to arrest the movable contact (62, 63) momentum. Manufacturing economies are realized by subassembling the stationary contact structure (40, 42, 44) and flux amplifier (46) and subsequently trapping one end (42a) of that assembly within the base (4a) and securing the other end with a single screw (68). The movable contact arm (62) comprises a plurality of blanked laminations assembled to provide improved contact (63) mounting and bearing (62d) surfaces. The molded case sidewalls are strengthened in the contact separation area by offsetting the parting line (PL) between cover (6) and base (4) closer to the bottom of base (4) and overlapping the thinner base sidewalls with thicker cover sidewalls at the offset (4e, 6e).
摘要翻译： 接触结构（40,44; 62,63）被布置成在闭环磁通量放大器（46）内提供相反方向的平行电流路径，以在高过载电流条件下直接分离，所述磁通放大器（46）用于阻止 活动触点（62,63）动量。 制造经济体通过将固定接触结构（40,42,44）和通量放大器（46）分组并随后将该组件的一端（42a）捕获在基座（4a）内并且用另一端固定在单个螺钉 68）。 可移动接触臂（62）包括多个冲切的叠片，组装成提供改进的接触（63）安装和轴承（62d）表面。 通过使盖（6）和基部（4）之间的分离线（PL）偏离靠近底座（4）的底部，模制壳体侧壁在接触分离区域中被增强，并且在较薄的基部侧壁与较厚的侧壁重叠 偏移（4e，6e）。
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公开(公告)号：US5302788A
公开(公告)日：1994-04-12
申请号：US98992
申请日：1993-07-29
CPC分类号： H01H71/501 , H01H71/0257 , H01H71/504 , H01H73/04 , H01H77/108 , H01H1/5833 , H01H2001/5838 , H01H2071/7481 , Y10T403/32114 , Y10T74/18856 , Y10T74/18864 , Y10T74/20588
摘要： Molded case circuit breaker having collapsible toggle linkage with rectangular cross section knee pin non-rotatably held within open rectangular slots in upper link, bifurcated movable contact fingers loosely guided for pivotal movement about fixed pin to break contact welds, helical compression springs biasing bifurcations against faces of a stationary connector, trapezoidal cross section shaft biasing shaft against a fixed corner of clamping strap and frame, increasing clamping force and increasing tool clearance, operating handle which changes pivot point moving to RESET position, reducing lateral force component of operating springs for reliable return of handle to OFF position, dual stops for movable contact fingers to spread impact forces along fingers, greater contact separation in poles not containing operating mechanism, slot motor laminations providing metal reinforcement to separate arc chamber housing which is cooperatively interlocked with base to distribute structural strength, terminal cover with arc vent extension angled downwardly, extended lug cover with second arc vent extension interlocked to terminal cover and arc chamber housing for no-fastener securement, trip unit armature pivoted in crested surface of molded pocket and connected to trip bar by wire bail for space-efficient location of parts, and accessory devices supported on and secured to trip unit housing have throw-away pin locking.
摘要翻译： 具有可折叠肘节连接器的模制断路器，其具有矩形横截面膝盖销，其不可旋转地保持在上连杆中的开放矩形槽中，分叉可动接触指松动地被引导以围绕固定销枢转运动以断开接触焊缝，螺旋压缩弹簧偏置分叉到面 固定连接器，梯形横截面轴偏置轴抵靠夹紧带和框架的固定角，增加夹紧力和增加刀具间隙，操作手柄，使枢轴点移动到复位位置，减少操作弹簧的横向力分量，以获得可靠的回报 的手柄到OFF位置，双止动器可移动接触指以沿手指传播冲击力，在不包含操作机构的杆中具有更大的接触间隔，槽电机叠片提供金属加强件以与基座协作地互锁以分配结构结构 带有弧形通风口的端子盖向下倾斜，延伸的凸缘盖与第二弧形通气延伸部互锁到端子盖和电弧室外壳，用于无紧固件固定，跳闸单元电枢枢转在模制口袋的顶部表面，并通过线连接到跳闸杆 吊环空间高效的部件位置，以及支撑在并固定在跳闸单元外壳上的附件装置可以抛出销钉锁定。
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10.发明授权Case circuit breaker having improved attachment means for accessory devices and accessory devices therefor 失效壳体断路器具有用于附件装置和附件装置的改进的附接装置
公开(公告)号：US5258729A
公开(公告)日：1993-11-02
申请号：US927026
申请日：1992-08-06
CPC分类号： H01H71/0228 , H01H1/5833 , H01H2071/7481
摘要： Molded case circuit breaker having collapsible toggle linkage with rectangular cross section knee pin non-rotatably held within open rectangular slots in upper link, bifurcated movable contact fingers loosely guided for pivotal movement about fixed pin to break contact welds, helical compression springs biasing bifurcations against faces of a stationary connector, trapezoidal cross section shaft biasing shaft against a fixed corner of clamping strap and frame, increasing clamping force and increasing tool clearance, operating handle which changes pivot point moving to RESET position, reducing lateral force component of operating springs for reliable return of handle to OFF position, dual stops for movable contact fingers to spread impact forces along fingers, greater contact separation in poles not containing operating mechanism, slot motor laminations providing metal reinforcement to separate arc chamber housing which is cooperatively interlocked with base to distribute structural strength, terminal cover with arc vent extension angled downwardly, extended lug cover with second arc vent extension interlocked to terminal cover and arc chamber housing for no-fastener securement, trip unit armature pivoted in crested surface of molded pocket and connected to trip bar by wire bail for space-efficient location of parts, and accessory devices supported on and secured to trip unit housing have throw-away pin locking operator lever in correct position during installation.
摘要翻译： 具有可折叠肘节连接器的模制断路器，其具有矩形横截面膝盖销，其不可旋转地保持在上连杆中的开放矩形槽中，分叉可动接触指松动地被引导以围绕固定销枢转运动以断开接触焊缝，螺旋压缩弹簧偏置分叉到面 固定连接器，梯形横截面轴偏置轴抵靠夹紧带和框架的固定角，增加夹紧力和增加刀具间隙，操作手柄，使枢轴点移动到复位位置，减少操作弹簧的横向力分量，以获得可靠的回报 的手柄到OFF位置，双止动器可移动接触指以沿手指传播冲击力，在不包含操作机构的杆中具有更大的接触间隔，槽电机叠片提供金属加强件以与基座协作地互锁以分配结构结构 带有弧形通风口的端子盖向下倾斜，延伸的凸缘盖与第二弧形通气延伸部互锁到端子盖和电弧室外壳，用于无紧固件固定，跳闸单元电枢枢转在模制口袋的顶部表面，并通过线连接到跳闸杆 吊环空间高效的部件位置以及支撑在脱扣单元外壳上的附件装置，在安装过程中将操作杆锁定在正确的位置。
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