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    CIRCUIT BREAKER HAVING DOUBLE BREAK MECHANISM
    1.
    发明申请
    CIRCUIT BREAKER HAVING DOUBLE BREAK MECHANISM 审中-公开
    具有双重断开机构的断路器

    公开(公告)号：WO9519634A3

    公开(公告)日：1995-08-31

    申请号：PCT/US9500623

    申请日：1995-01-13

    Applicant: SQUARE D CO

    Inventor： SCHEEL JERRY L ,  BENNETT DALE W ,  SIEBELS RANDALL L ,  SORTLAND MATTHEW D ,  WINTER JOHN M

    IPC: H01H73/22 ,  H01H71/12 ,  H01H71/24 ,  H01H73/36 ,  H01H77/10

    CPC classification number: H01H71/2418 ,  H01H71/128

    Abstract: A circuit breaker includes a first section and a second section with independently operating pairs of contact assemblies in each respective section. In the first section, at least one of the contact assemblies is constructed and arranged to interrupt the current by moving from a normally closed position to a blown-open position and latching with the contact assemblies separated. The second section has a biasing extension spring for biasing the contact assemblies of the second section so as to permit interruption of the current in response to a blow-open force, which causes the contacts to separate only momentarily and then return to a normally closed position. The first and second pairs of contact assemblies separate substantially simultaneously in response to the blow-open force, and only the first section reacts to lower-level over-current conditions. In addition to the contact assemblies, the second section of the circuit breaker is designed to operate using only a spring which is 'Z-axis' mountable. Other aspects of the invention include one-piece tripping actuator, a screw retainer assembly for securing the line or load terminal, a bimetal arrangement involving an improved calibration process and an associated stress-reducing line terminal.

    AUTOMATIC MINIATURE CIRCUIT BREAKER WITH Z-AXIS ASSEMBLABLE TRIP MECHANISM.
    2.
    发明公开
    AUTOMATIC MINIATURE CIRCUIT BREAKER WITH Z-AXIS ASSEMBLABLE TRIP MECHANISM. 失效
    KLEINSELBSTSCHALTER MITAUSLÖSEMECHANISMUS，ZUSMAENSETZBAR在Z-ACHSENRICHTUNG。

    公开(公告)号：EP0593688A4

    公开(公告)日：1994-11-23

    申请号：EP93902672

    申请日：1992-12-11

    Applicant: SQUARE D CO

    Inventor： BRUNE RODNEY J ,  EDDS THOMAS A ,  FIXEMER JAMES V ,  WAGNER CHARLES H ,  SORTLAND MATTHEW D ,  TURNER DUANE L ,  WINTER JOHN M

    IPC: H01H73/06 ,  H01H71/02 ,  H01H71/40 ,  H01H83/02 ,  H01H75/12 ,  H01H73/48 ,  H01H75/00 ,  H01H75/10 ,  H01H77/00 ,  H01H81/00

    CPC classification number: H01H71/0207 ,  H01H71/405

    Abstract: An improved miniature circuit breaker (1, 2) is adapted to improved automatic assembly of all components thereof. Key components of the breaker are individually and collectively designed to be susceptible to total Z-axis assembly. In particular, the trip mechanism (6) including the trip lever (31), and the associated activation means (75), tension means (43) and reset means (35) are defined by elements designed to interact in a Z-axis assemblable fashion. The trip mechanism components (6) are also designed for improved trip action and enhanced breaker performance in repeated CLOSED, and TRIP operations.

    Abstract translation: 改进的微型断路器（1,2）适于改进其所有部件的自动组装。 断路器的关键部件单独和集体设计为易受Z轴总装配影响。 特别地，包括解扣杆31和相关联的激活装置75，张紧装置43和复位装置35的跳闸机构6由设计成在Z轴可组装的相互作用的元件限定 时尚。 跳闸机构部件（6）还设计用于改进跳闸动作并增强断路器在重复闭合和TRIP操作中的性能。

    DOUBLE BREAK CIRCUIT BREAKER HAVING IMPROVED SECONDARY SECTION
    3.
    发明专利
    DOUBLE BREAK CIRCUIT BREAKER HAVING IMPROVED SECONDARY SECTION 未知

    公开(公告)号：CA2156414C

    公开(公告)日：2000-06-27

    申请号：CA2156414

    申请日：1995-01-13

    Applicant: SQUARE D CO

    Inventor： BENNETT DALE W ,  SORTLAND MATTHEW D ,  SIEBELS RANDALL L ,  WINTER JOHN M ,  SCHEEL JERRY L

    IPC: H01H73/02 ,  H01H71/12 ,  H01H71/24 ,  H01H71/10

    Abstract: A circuit breaker includes a first section and a second section with substantially independently operating pairs of contact assemblies in each respective section. In the first section, at least one of the contact assemblies is constructed and arranged to interrupt the current by moving from a normally closed position to a blown-open position and latching with the contact assemblies separated. The second section has a biasing extension spring for biasing the contact assemblies of the second section so as to permit interruption of the current in response to a blow-open force, which causes the contacts to separate only momentarily and then return to a normally closed position. The first and second pairs of contact assemblies separate substantially simultaneously in response to the blow-open force, and only the first section reacts to lower-level over-current conditions. To prevent welding or sticking of the contacts in the second section, a kicker is interposed between the pairs of contact assemblies so as to slightly open the contact assemblies in the second section in response to the contact assemblies of the first section reacting to the lower-level over-current conditions. The circuit breaker is designed to operate using "Z-axis" mountable components.

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