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Totally synchronized manual transmission unit for use in a vehicle

Patent ·
OSTI ID:5430715
; ;
A gear-shift mechanism is described for a manual transmission unit for use in a motor vehicle, comprising: a housing assembly; an input shaft for connection to an engine; an output shaft supported in a parallel relationship to the input shaft within the housing assembly; a forward input gear integrally attached to the input shaft; a forward output gear mounted on the output shaft and constantly meshing with the forward input gear; synchronizing means which are slidably mounted on one of the input and output shafts and rotatable therewith; first actuating means for shifting the synchronizing means toward or away from one of the forward input or output gears; a reverse input gear integral with the input shaft; an idler shaft supported in a parallel relationship with the input and output shafts within the housing assembly; a reverse sliding gear mounted on the idler shaft; a reverse output gear mounted on the output shaft; second actuating means for shifting the reverse sliding gear into meshing engagement with the reverse input and output gears; a manual shift lever for changing gearing ratios between the input shaft and the output shaft; a shift-and-select shaft supported in a parallel relationship with the input and output shafts within the housing assembly and operatively connected to the manual shift lever; a fork shaft slidably supported in a parallel relationship with the idler shaft within the housing assembly and operatively connected to the manual shift lever for being selectively shifted by the operation between its neutral, forward and reverse positions; a detent mechanism mounted in the housing assembly to retain selectively the fork shaft in its neutral or shifted positions when subjected to a resilient load acting thereon.
Assignee:
Toyota Jidosha Kabushiki Kaisha, Aichi
Patent Number(s):
US 4605109
OSTI ID:
5430715
Country of Publication:
United States
Language:
English

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Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330602* -- Vehicle Design Factors-- Engine-Transmission Matching
ACTUATORS
CONTROL EQUIPMENT
DESIGN
ENGINES
EQUIPMENT
GEARS
MACHINE PARTS
MECHANICAL TRANSMISSIONS
MOTION
OPERATION
POSITIONING
ROTATION
SHAFTS
SPEED REGULATORS
SYNCHRONIZATION
VEHICLES
VELOCITY