Patent ID: 7793562

Claim:
A gearshift arrangement comprising: a first shift member including a first shift rail and a first shift fork connected to the first shift rail; a second shift member including a second shift rail and a second shift fork connected to the second shift rail; a single hydraulic piston located at a first end of the first shift rail and being configured to move the first shift member in only a first direction; a single hydraulic piston located at a second end of the first shift rail and being configured to move the first shift member in only a second direction; a sensing arrangement adapted to monitor the position of the first shift member relative to a neutral position, the sensing arrangement including a non-contact position sensor and a ferrous activator; a mechanical arrangement operable to prevent movement of the second shift member if the first shift member is not in the neutral position, and operable to prevent movement of the first shift member if the second shift member is not in the neutral position, wherein the ferrous activator is integrally formed as an extension of the shift fork.