Safety ground system

Electrical transmission or interconnection systems – Vehicle mounted systems – Automobile

Patent

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Details

307 10BP, 290 38R, 290 48, 340 52R, 123179BG, F02N 1100

Patent

active

047218720

ABSTRACT:
A ground cable system for the electrical circuit of a vehicle including a battery having first and second terminals, an ignition switch electrically coupled to the first terminal and having a start contact and having a start position in which the start contact is electrically coupled to the first terminal, a ground, and a starting motor electrically coupled to the start contact of the ignition switch and to the ground. The system includes a ground cable including a first section electrically coupled to the second terminal, including a second section electrically coupled to the ground, and having a gap between the first and second sections; a solenoid electrically coupled to the start contact of the ignition switch and to the ground for movement from a first position to a second position when the ignition switch is moved to the start position, for remaining in the second position as long as the ignition switch is in the start position, and for movement back to the first position when the ignition switch is moved from the start position; and an electrical connector coupled to the solenoid for electrically closing the gap between the first and second sections of the ground cable means when the solenoid is in the second position.

REFERENCES:
patent: 2242772 (1941-05-01), Bales
patent: 3551686 (1970-12-01), Koehler
patent: 3584229 (1971-06-01), Wilson
patent: 3609383 (1971-09-01), Welsh
patent: 3778632 (1973-12-01), Sarbacher
patent: 3949236 (1976-04-01), Kurii et al.
patent: 4334255 (1982-06-01), Izumi
patent: 4488054 (1984-12-01), Ebihara
patent: 4570583 (1986-02-01), Hamano et al.
patent: 4590385 (1986-05-01), Hamano et al.
patent: 4622930 (1986-11-01), Hamano et al.

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