Mechanical interlock between two electrical devices

Details Mechanical interlock between two electrical devices Mechanical interlock between two electrical devices

2008-02-04

2011-12-20

Girardi, Vanessa (Department: 2833)

Electricity: circuit makers and breakers

Interlocking

Between plural switches

C335S120000

Reexamination Certificate

active

08080747

ABSTRACT:
A low voltage electrical appliance having a mechanical interlock means comprises at least two contactors, wherein every contactor includes a base (11, 21), a support (12, 22), a top cover (4) and a contact holding sliding part (13, 23) in the base. Two contactors which are arranged in parallel both have one mechanical interlock means, which includes an interlocking element (3). The shaft of the interlocking element (3) may rotate in the slot of the base (11, 21). By the swinging of the interlocking element (3), a tang of the interlocking element (3) extends into the locking aperture of the contact holding sliding part, thereby preventing the energization action of the contact holding sliding part.

REFERENCES:
patent: 6002579 (1999-12-01), Drexler et al.

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