Safety ignition interlock switch for vehicle transmission

Details Safety ignition interlock switch for vehicle transmission Safety ignition interlock switch for vehicle transmission

1982-11-02

1985-01-01

Krizmanich, George H.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

74878, B60K 4104

Patent

active

044910398

ABSTRACT:
A device detects when both of a pair of selector rods of a transmission are in neutral and actuates a switch part fixed in the top of a housing of the transmission to enable the engine ignition circuit. One of the rods carries a bracket on which is pivotally mounted a lever which has a lower arm which cooperates with a cam track on the other rod. When either selector rod moves in either direction out of neutral, a tip of the lower arm drops into one or the other of two recesses of the cam track and the lever drops. An upper arm of the lever then releases pressure on an operating button of the switch part.

REFERENCES:
patent: 2624211 (1953-01-01), Dunn
patent: 3242280 (1966-03-01), Krieger
patent: 3534637 (1970-10-01), Tomlinson
patent: 3540313 (1970-11-01), Maurice et al.
patent: 3587351 (1971-06-01), Keller
patent: 3780602 (1973-12-01), Thornley
patent: 4277983 (1981-07-01), Izumi et al.
patent: 4355549 (1982-10-01), Reinhard et al.

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