Abstract: A control device includes an elongated mechanical transmission member (10; 110) interposed between the gearbox and a control member (100) for transmitting to the gearbox the commands imparted through the control member, in such a manner that the gear engaged by means of the gearbox is linked to the linear position of the transmission member (10; 110). The device is provided with a position sensor (26; 126) including a movable reference element (28; 128), the movement of which is univocally determined by the movement of a rigid end portion (14; 114) of the transmission member (10; 110), and a stationary detection element (30) for detecting the position of the reference element (28; 128).

Abstract: A control device includes an elongated mechanical transmission member (10; 110) interposed between the gearbox and a control member (100) for transmitting to the gearbox the commands imparted through the control member, in such a manner that the gear engaged by means of the gearbox is linked to the linear position of the transmission member (10; 110). The device is provided with a position sensor (26; 126) including a movable reference element (28; 128), the movement of which is univocally determined by the movement of a rigid end portion (14; 114) of the transmission member (10; 110), and a stationary detection element (30) for detecting the position of the reference element (28; 128).

Abstract: The control device comprises an elongated mechanical transmission member (10; 110) interposed between the gearbox and a control member (100) for transmitting to the gearbox the commands imparted through the control member, in such a manner that the gear engaged by means of the gearbox is linked to the linear position of the transmission member (10; 110). The device is provided with a position sensor (26; 126) comprising a movable reference element (28; 128), the movement of which is univocally determined by the movement of a rigid end portion (14; 114) of the transmission member (10; 110), and a stationary detection element (30) for detecting the position of the reference element (28; 128). The reference element (28; 128) is mechanically connected to the rigid end portion (14; 114) and spaced apart from it.

Abstract: The control device comprises an elongated mechanical transmission member (10; 110) interposed between the gearbox and a control member (100) for transmitting to the gearbox the commands imparted through the control member, in such a manner that the gear engaged by means of the gearbox is linked to the linear position of the transmission member (10; 110). The device is provided with a position sensor (26; 126) comprising a movable reference element (28; 128), the movement of which is univocally determined by the movement of a rigid end portion (14; 114) of the transmission member (10; 110), and a stationary detection element (30) for detecting the position of the reference element (28; 128). The reference element (28; 128) is mechanically connected to the rigid end portion (14; 114) and spaced apart from it.

Abstract: The device (10) comprises an electric motor (12), a reduction gear (14), a shaft (16) operable by the motor (12) via the reduction gear (14), and a drum (18) mounted on the shaft (16) so as to be connected for rotation therewith but free to slide axially relative thereto. The drum (18) has on its cylindrical lateral surface a first groove (20) in which first studs (22) drivingly connected for translation each with a respective shift fork (24) are guided, whereby the rotational movement of the drum (18) is converted into a translational movement of the studs (22), and hence of the forks (24), to bring about the engagement of the gears. The drum (18) also has a second groove (40) in which a second, axially stationary stud (42) engages.

Abstract: The control device comprises an electric motor, a reduction gear, a shaft operable by the electric motor via the reduction gear, and a drum mounted on the shaft so as to be connected for rotation therewith but free to slide axially relative thereto. The drum has on its cylindrical lateral surface a guide groove in which a plurality of studs are guided, each of the studs being drivingly connected for translation with a respective shift finger in such a manner that the rotary motion of the drum is converted into the translational motion of the shift fingers to control the engagement of the gears according to predetermined modes of operation. The control device further comprises a locking device arranged to lock the translational motion of the drum during the synchronization and gear engagement phases and to unlock the translational motion of the drum upon completion of the engagement of the gear.