Gearshift device for electrically controlled gearboxes
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United States of America Patent
Stats
-
Feb 14, 1995
Grant Date -
N/A
app pub date -
Nov 24, 1993
filing date -
May 27, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A gearshift device for electrically controlled transmissions is provided having a shifting lever pivotable in two parallel planes and guided in slides which have a connecting link only in the area of a neutral shifting position. Such gearshift devices are used particularly in construction machines. By way of a lock, which is activated below an admissible speed, a shift to the neutral position and into the opposite direction of travel is prevented. At higher speeds, accidental faulty shifts are prevented by a step-by-step gearshift mechanism. The locks, according to the invention, require only few regulation measures since they contain two mutually independent locking systems.
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