Key-operated ignition device

Details Key-operated ignition device Key-operated ignition device

1989-11-01

1990-11-27

Wolfe, Robert L.

Locks

Special application

For control and machine elements

70252, B60R 2502

Patent

active

049726927

ABSTRACT:
A key-operated ignition device which prevents an engine starter from being driven while the engine is already running, so to protect the starter and engine from damage. The device comprises a key-operated rotor disposed in the device for turning a locking cam via a coupling plate to shift an ignition switch between off, on and start positions. A sliding member is selectively movable between first and second positions by a restriction plate, wherein when the sliding member is in the first position the rotor may be turned from the on position to the start position and when the member is in the second position, the rotor is prevented from again turning from the on position to the start position, without first turning to the off position. The restriction plate also prevents the rotor from being directly turned from the off position to a lock position.

REFERENCES:
patent: 3172968 (1965-03-01), Arendt
patent: 3622718 (1971-11-01), Lipschutz
patent: 3632916 (1972-01-01), Schaad
patent: 3643044 (1972-02-01), Batcheller
patent: 4292483 (1981-09-01), Roytberg
patent: 4659883 (1987-04-01), Poschet

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