Moving contact unit for a contact arrangement in a circuit...

Details Moving contact unit for a contact arrangement in a circuit... Moving contact unit for a contact arrangement in a circuit...

2006-11-07

2006-11-07

Barrera, Ramon M. (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

C335S010000, C335S021000, C335S022000, C335S167000, C335S171000

Reexamination Certificate

active

07132912

ABSTRACT:
The moving contact unit (10) is intended for a contact arrangement in a circuit breaker and contains a contact mount (13) and a contact piece (11, 111, 112), which is held by the contact mount (13). The contact mount (13) is arranged on a pivoting shaft (12), which can be mounted in the switch, and is fitted with a catch (135) which can pivot, and with a tripping lever (14) which can pivot and, together with the catch (135), forms a latching point.A simple configuration for the contact unit and for the contact arrangement which holds this contact unit is made possible, despite stringent requirements for maintenance of the circuit breaker and despite a high disconnection rating in that the tripping lever (14) is also arranged on the pivoting shaft (12) alongside the contact mount (13), and in that the contact piece (11) is placed on the contact mount (13) and is held by at least one prestressed bending spring (51), which is mounted on the pivoting shaft (12).

REFERENCES:
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patent: 5539167 (1996-07-01), Hood et al.
patent: 6492607 (2002-12-01), Bruckert et al.
patent: 0577586 (1992-06-01), None
patent: 0 570 647 (1993-11-01), None
patent: 0570647 (1993-11-01), None
patent: 0 616 350 (1994-09-01), None
patent: 0 696 041 (1996-02-01), None
patent: 02/052597 (2002-07-01), None

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