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    • 3. 发明授权
    • Electric switching device and method of making a magnetic angle piece
for same
    • 电开关装置及制作磁角片的方法相同
    • US5892423A
    • 1999-04-06
    • US10068
    • 1998-01-21
    • Lothar HaasJoachim NaserHans SchrumpfSonja Reitenspiess
    • Lothar HaasJoachim NaserHans SchrumpfSonja Reitenspiess
    • H01H49/00H01H50/36H01H67/02
    • H01H49/00H01H50/36H01H2050/362H01H2050/365
    • The electrical switching apparatus includes a housing (10), a coil (20) arranged in the housing (10), at least two switch terminals (35,50,60) arranged in the housing (10), a magnetic angle piece (30) in the housing (10) including a core (32) for the coil (20) and an armature (42) resiliently mounted on the magnetic angle piece (30) for making electrical contact between two switch terminals (35,50,60). The magnetic angle piece is preferably made by a method including punching or stamping a nearly rectangular piece (39) from sheet metal, forming a U-shaped opening around a separately bendable tongue (32a) in a central region of the nearly rectangular piece (39) so that side pieces (30a) are formed on opposite sides of the U-shaped opening (38) and a connecting piece (31a) connects the side pieces (30a) on another end of the rectangular piece (39) opposite from one switch terminal; bending the separately bendable tongue (32a) at right angles to a remaining portion of the nearly rectangular piece (39) including the side pieces (30a) to form the core (32) of the coil (20) and bending the connecting piece (31a) at substantially right angles to form an upper portion (31) of the magnetic angle piece arranged substantially parallel to the core (32).
    • 电气开关装置包括壳体(10),布置在壳体(10)中的线圈(20),布置在壳体(10)中的至少两个开关端子(35,50,60),磁性角件 )包括用于线圈(20)的芯(32)和弹性地安装在磁性角件(30)上的用于在两个开关端子(35,50,60)之间进行电接触的电枢(42)的壳体(10) 。 磁性角件优选通过以下方法制成:包括从金属板冲压或冲压近似矩形件(39)的方法,在近似矩形件(39)的中心区域中围绕单独可弯曲的舌片(32a)形成U形开口 ),使得侧片(30a)形成在U形开口(38)的相对侧上,并且连接件(31a)将矩形件(39)的与一个开关相对的另一端上的侧片(30a) 终奌站; 使单独弯曲的舌部32a与包括侧片(30a)的近似矩形片(39)的剩余部分成直角,以形成线圈(20)的芯部(32)并弯曲连接片(31a) ),以形成基本上平行于芯(32)布置的磁角件的上部(31)。