Machine element or mechanism – Rotary member or shaft indexing – e.g. – tool or work turret – Preselected indexed position
Patent
1988-03-25
1989-08-08
Diehl, Dwight G.
Machine element or mechanism
Rotary member or shaft indexing, e.g., tool or work turret
Preselected indexed position
70248, G05G 916
Patent
active
048541931
ABSTRACT:
A key interlock system for an automatic floor mounted transmission shifter adapted to be used with an ignition key located in the steering column and adapted to translate a key slide actuator upon rotation of the key through a pinion acting on a gear rack on the slide actuator includes a cable assembly with a conduit fixed at one end adjacent the ignition key and at the other end adjacent the automatic floor mounted transmission shifter. A strand is connected at one end to a spring loaded pawl adjacent the actuator and at the opposite end to a shifter cam plate adjacent the shifter. In the key out position, the pawl engages the key actuator placing the strand in tension so that the shifter is prevented from movement from a park position. When the key is advanced to the start, run or off position, the pawl engages a groove in the key actuator allowing the shifter cam plate to be moved from park position to the desired drive gear position. When the shifter is advanced to a drive position, the shifter cam plate is held in a position so that the pawl cannot return to a position which will permit the key actuator to move to a key out position due to the engagement of the pawl with the edge of the groove in the key actuator. Upon return of the shifter to park position, the cam plate relieves the tension on the strand so thar the pawl will move out of engagement with the groove edge on the key actuator, permitting the key to be turned to the key out or accessory positions.
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Gilmore William J.
Newman Gordon A.
Babcock Industries Inc.
Diehl Dwight G.
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