Ignition switch with starter lockout

Details Ignition switch with starter lockout Ignition switch with starter lockout

1980-02-27

1981-09-29

Shepperd, John W.

Electricity: circuit makers and breakers

Plural switches control single circuit

200 44, H01H 2706

Patent

active

042924839

ABSTRACT:
An ignition switch having a starter lockout to prevent attempted restarting of a running engine. The starter lockout includes a slide-mounted orthogonally movable plunger which engages a depression formed in the switch housing upon completion of a movement of the switch rotor to the "START" position and its return to the "ON" position. Repeated movement of the switch rotor directly from the "ON" position to the "START" position is prevented by the engagement of the plunger by the depression in the housing. Disengagement of the plunger from the depression when the rotor is turned in a reverse direction from the "ON" position to the "OFF" position is made possible by a sloped camming surface on either the plunger or the depression which cooperate to urge the plunger back to a normally retracted position.

REFERENCES:
patent: 2121671 (1934-08-01), Schwarze
patent: 3172968 (1965-03-01), Arendt
patent: 3539737 (1970-11-01), Schupp
patent: 3632916 (1972-01-01), Schaad
patent: 3643044 (1972-02-01), Batcheller

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