Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements
Patent
1980-03-07
1982-06-22
Herrmann, Allan D.
Machine element or mechanism
Control lever and linkage systems
Multiple controlled elements
74473R, 74475, G05G 510, G05G 912
Patent
active
043356230
ABSTRACT:
A mechanical shift control system, for use on manual transmissions, employing a number of shifter forks mounted on a single stationary rail. The shifter forks engage sleeves, clutches or other similar elements of a transmission to shift the transmission between selected gear shift ratios. A set of stacked levers movable in parallel planes drive respective gear shift forks reciprocally along the stationary rail. For actuation of a lever, a selector shaft is employed extending in a plane perpendicular to the movement of the levers. The selector shaft reciprocates laterally through the various planes of lever movement to positions corresponding to a particular lever actuation and rotates in each plane to move a selected lever in a direction corresponding to a selected gear ratio.
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patent: 3431791 (1969-03-01), Labat
patent: 3468180 (1969-09-01), Mays et al.
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patent: 3554047 (1969-03-01), Stott
patent: 3857299 (1974-12-01), Morrison
patent: 4132125 (1979-01-01), Janiszewski
Herrmann Allan D.
Mack Trucks, Inc.
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