Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements
Patent
1995-06-05
1996-10-01
Bonck, Rodney H.
Machine element or mechanism
Control lever and linkage systems
Multiple controlled elements
74335, 74473R, F16H 6110, G05G 900
Patent
active
055602550
ABSTRACT:
A transmission includes a plurality of shift rails, each of which is axially movable forwardly and rearwardly from a center neutral position to respective gear engaging positions. The lower shift rails are provided for manual shifting among the lower gear ratios of the transmission. The highest shift rail is provided for selective manual or automatic shifting among the highest two gear ratios of the transmission. An electronic controller is provided for controlling the automatic shifting of the transmission in response to sensed operating conditions of the vehicle. A circuit is provided for sensing the rotational position of the automatic shift shaft and for generating an electrical signal which is representative of the actual position thereof, which is also representative of the actual position of the highest shift rail, to the electronic controller. The transmission also includes a shift lever having an end which extends through an opening formed in a case. The end of the shift lever is movable in a first direction which is generally perpendicular to the shift rail so as to selectively cooperate with the shift rail. The shift lever is also movable in a second direction which is generally parallel to the shift rail so as to cause movement of the shift rail between first and second shift rail positions. A restraining plate is mounted on the case adjacent to the opening. The restraining plate has a portion formed thereon which limits movement of the end of the shift lever in the first direction. An interlock bracket is connected to the shift lever for movement therewith in the first direction. The interlock bracket engages the portion of the restraining plate to limit movement of the shift lever in the first direction.
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Baer Kurt R.
Loeffler John M.
Schwaiger Dennis D.
Willford George A.
Bonck Rodney H.
Dana Corporation
Grabow Troy
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