Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements
Patent
1979-09-17
1981-11-03
Herrmann, Allan D.
Machine element or mechanism
Control lever and linkage systems
Multiple controlled elements
74526, G05G 912, G05G 502
Patent
active
042979102
ABSTRACT:
The gear selector shaft of a manually operated transmission has shift mechanisms secured thereto for producing driving engagement between the engine and the vehicle wheels at the speed ratio selected by the vehicle operator. By moving the selector shaft along shifting planes that are defined by a control plate, the shift mechanisms actuate the selected gear into engagement with the gears of the input shaft. The control plate has a system of interconnected slots into which a gear selector pin, which is secured to the gear selector shaft, is fitted. The slot system corresponds to the conventional shifting pattern over which the vehicle operator exercises control. The control plate serves to positively restrain erratic movement of the selector shaft that could cause damage to the transmission. A second embodiment provides for the gear selector shift control pattern to be secured to the selector shaft and its movement to be controlled by the movement of that pattern about the position of the selector pin. In this instance the pin is fixed to the transmission housing and similarly engages the slots that define the shifting pattern.
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patent: 4068540 (1978-01-01), Beckerman
patent: 4193316 (1980-03-01), Kelbel
Ford Motor Company
Harrington Donald J.
Herrmann Allan D.
McKenzie Frank G.
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