Automatic power line disconnect apparatus

Details Automatic power line disconnect apparatus Automatic power line disconnect apparatus

2006-12-18

2008-10-07

Ta, Tho D (Department: 2833)

Electrical connectors

Having circuit interrupting provision effected by mating or...

C439S181000, C200S051100

Reexamination Certificate

active

07431601

ABSTRACT:
An automatic power line disconnect apparatus has a sensor pin for signaling the separation of the plug from the disconnect apparatus. The operative movement of the sensor pin is shorter than the length of the male electrical connectors on the apparatus, thereby insuring that the apparatus is disconnected from the power line before the electrical connectors' contact is broken to reduce electrical connector erosion from arcing. A motor driving a rack and pinion gear combination responds to an engine starter signal by driving the rack in a direction that disconnects the power line plug from the automatic disconnect apparatus. Further circuits are provided to lock out low voltage starter signals, photoelectric detectors to control movement of the rack, and timer circuits to limit the duration of the motor operation and to lock out starter signals when the disconnect apparatus is being separated from the power line plug.

REFERENCES:
patent: 4911650 (1990-03-01), Garcia Ramos
patent: 2003/0060069 (2003-03-01), Duquerroy et al.

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