Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements
Patent
1983-04-25
1985-11-12
Herrmann, Allan D.
Machine element or mechanism
Control lever and linkage systems
Multiple controlled elements
74476, 74491, 74526, G05G 504, G05G 700
Patent
active
045520313
ABSTRACT:
A transmission shifting apparatus for controlling the speed and direction of movement of a vehicle. The transmission shifting apparatus utilizes an operating shift lever movable in a first direction through a plurality of successive positions in each of which it controls the forward movement of the vehicle at a predetermined speed, and a second opposed direction through a plurality of successive positions in each of which it controls the reverse travel of the vehicle at predetermined speeds. The shift lever is movable in a transverse direction between the first and second paths of movement to define a neutral or idle position in which no motion is imparted to the vehicle through the transmission. Movement of the transmission shift lever through the neutral position effects engagement of limit stops to retain the shift lever in the idle or neutral position. A bypass system is provided to disengage the shift lever from the limit stops by a predetermined movement of the shift lever against a biasing force which enables the shift lever to pass directly between the first and second directional controlling paths of movement bypassing the idle or neutral locking position.
REFERENCES:
patent: 2477589 (1949-08-01), Du Shane
patent: 4137792 (1979-02-01), Cellano
patent: 4228879 (1980-10-01), Woodburry
patent: 4267745 (1981-05-01), Edwards
Fiatallis Europe S.p.A.
Herrmann Allan D.
Roehrig, Jr. August E.
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