Transmission shift control system

Machine element or mechanism – Rotary member or shaft indexing – e.g. – tool or work turret – Preselected indexed position

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Details

74745, 74336R, B60K 4104

Patent

active

047222484

ABSTRACT:
A vehicular transmission shift control system is provided for effecting automatic shifting between a group of sequentially related forward gear ratios provided by the transmission that includes a logic member (16) operative to receive and process an engine speed signal (22) and a gear ratio position signal (30) and to provide an output control signal (33) to a shift actuator (34) that is operative to enable automatic shifting between the sequentially related forward gear ratios whenever the lowest sequentially related forward gear ratios of the group is manually engaged by an operator of the vehicle.

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