Gear selector having reverse inhibitor and backup light switch

Details Gear selector having reverse inhibitor and backup light switch Gear selector having reverse inhibitor and backup light switch

1979-11-05

1981-11-24

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

74477, 200 6191, G05G 510, H01H 316

Patent

active

043016928

ABSTRACT:
A gear selector inhibitor and warning signal switch for the power transmission gear selector mechanism of an automotive vehicle having primary torque drive gears and an idler pinion selectively engageable with a drive gear. The inhibitor and switch unit includes a spring biased plunger that urges engagement of the plunger with a bellcrank, which is adapted to move the idler into meshing engagement with the drive gear when the gear shift mechanism transmits shifting motion to the bellcrank. In this condition, the plunger is forced by the shift mechanism out of engagement with the bellcrank and this action operates to make a connection between electrical terminals on the plunger and electrical receptacles for the terminals thereby completing an electrical circuit that produces a sensible warning indication that the shift mechanism has engaged the bellcrank. When the shift mechanism is disposed for drive by other than the idler-engaging drive gear, the shift inhibitor positively locks the bellcrank against errant movement and the warning lamp circuit is opened.

REFERENCES:
patent: 1116575 (1914-11-01), Waters
patent: 1131291 (1915-03-01), Thomas
patent: 1231655 (1917-07-01), Schmidt
patent: 1536953 (1925-05-01), Waters
patent: 3418866 (1968-12-01), Hetmann et al.
patent: 3866488 (1975-02-01), Nakata et al.
patent: 3962930 (1976-06-01), Frazee
patent: 3987878 (1976-10-01), Hansen

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