Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements
Patent
1996-09-09
1998-03-17
Herrmann, Allan D.
Machine element or mechanism
Control lever and linkage systems
Multiple controlled elements
180336, 403344, F16H 5904
Patent
active
057274240
ABSTRACT:
A counterweight is proposed for engagement to a lower end of a truck transmission shift lever in a manner to extend forwardly therefrom, relative to the vehicle. The counterweight maintains a center of gravity of the shift lever vertically aligned over a pivot point of the shift lever regardless of the rearward degree of pivoting of the lever from a neutral, vertically oriented equilibrium position thereof. Such maintained vertical alignment of the lever center of gravity relative to the pivot point significantly decreases the tendency of the lever to return to vertical orientation, such return causing a disengagement of the transmission gears, particularly in high gear and during periods when power is not being transferred through the transmission while the truck is traveling over uneven terrain.
REFERENCES:
patent: 2561632 (1951-07-01), Nejezchleb
patent: 3693467 (1972-09-01), Oehl
patent: 3990535 (1976-11-01), Bruce
patent: 4507980 (1985-04-01), Nishiyama et al.
Brandewie Kenneth R.
Fegley Floyd E.
Herrmann Allan D.
Navistar International Transportation Corp.
Sullivan Dennis K.
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