Patent ID: 6347556
Filing Date: 2002-02-19
Classification: F16H,Y10T

Abstract:
A 2Ã—3Ã—2-style 12-speed transmission for a utility vehicle, the 12-speed transmission having one of a pneumatically operated front group and a split group, a 3-speed main gear and one of a pneumatically operated downstream group and a range group (GP), the 12-speed transmission having a device comprising a plurality of shift rails (8) which are used to control a plurality of shift levers (1) for accessing synchronizing assemblies (P1, P2) of the 12-speed transmission;wherein each of the plurality of shift levers (1) is a universal joint comprising a shift fork (2) and a reversing lever (3), and each of the plurality of shift levers (1) is controlled by a separate shift rail (8), each of the separate shift forks (2) is capable of swinging between an axle (4) of the universal joint and the shift rail about a fixed housing axle (5), a first end of each of the plurality of shift forks (2) communicates with one of the shift rails (8) via a stud (7) and a second end of each one of the shift forks (2) communicates with a synchronizing assembly (P1, P2) of the transmission, and a first end (9) of each one of the reversing levers (3) is controlled by one of the plurality of shift rails (8) and, a second end of each one of the reversing levers (3) is capable of swivelling about a fixed housing support point (11) and is rotatably supported against one of the plurality of shift fork (2) between the second end and the housing-fixed axle (5).