Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements
Patent
1987-04-13
1988-11-01
Herrmann, Allan D.
Machine element or mechanism
Control lever and linkage systems
Multiple controlled elements
74473R, G05G 912
Patent
active
047810742
ABSTRACT:
Five-speed shifter for an automotive transmission comprises an outer housing, an inner housing pivotable in the outer housing about a first axis, and a shift lever pivotable in said inner housing about a second axis which extends transversely of the first axis. The shift lever has a spring loaded extension which engages a selected one of three shift rails in the outer housing by pivoting about the second axis. A gear is then engaged by pivoting about the first axis to slide the selected rail forward or backward. A pin on the shift lever cooperates with a multilevel slot in a sidewall of the outer housing to preclude shifting into reverse unless the lever is depressed. In an externally mounted embodiment, each rail has a finger extending through a floor of the outer housing. The fingers are pivotably connected to coupling rods which effect rotation of shift control shafts which extend from the gear housing.
REFERENCES:
patent: 3052135 (1962-09-01), Hurst, Jr. et al.
patent: 3172301 (1965-03-01), Hurst, Jr. et al.
patent: 3274842 (1966-09-01), Huff
patent: 3323387 (1967-06-01), Hurst, Jr. et al.
patent: 3541879 (1970-11-01), Ravenel
patent: 3774469 (1973-11-01), Bruhn, Jr.
patent: 4567785 (1986-02-01), Reynolds et al.
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