Conveyor with a belt for transporting an object between a first end and a second end of the conveyor , the conveyor having a first belt drive transmission at the first end and a second belt drive transmission at the second end ; an intermediate transmission system arranged between the first end and the second end and having a first communication with the first belt drive transmission and having a second communication with the second belt drive transmission ; a drive system in communication with a drive shaft in the intermediate transmission system and configured to turn the drive shaft bidirectional in a first drive direction and a second drive direction ; wherein the drive shaft has an intermediate communication with the first communication through a first intermediate transmission and the second communication through a second intermediate transmission ; wherein the first intermediate transmission is configured for engagement and force transmission at a first engagement position in the first drive direction and a second engagement position in the second drive direction and in-between having a first path of un-engagement ; the second intermediate transmission is configured for engagement and force transmission at a first engagement position in the first drive direction and a second engagement position in the second drive direction and in-between having a second path of un-engagement ; the intermediate communication is arranged so that for the first drive direction : the first intermediate transmission is enabled for engagement at the first engagement position whilst the second intermediate transmission is in the second path of un-engagement ; and for the second drive direction : the second intermediate transmission is enabled for engagement at the second engagement position whilst the first intermediate transmission is in the first path of un-engagement ; characterized in that the intermediate communication comprises an intermediate chain engaging with a drive cogwheel on the driveshaft , a first intermediate drive cogwheel on the first intermediate transmission and a second intermediate drive cogwheel on the second intermediate transmission , that the first and second communications comprise respective first and second communication chains engaging respective first and second belt cogwheels in the respective first and second belt drive transmissions with respective first and second communication cogwheels in the respective first and second intermediate transmissions , that the respective first and second intermediate transmissions each has a respective first and second intermediate drive cogwheel and a respective first and second communication cogwheel sharing respective common first and second intermediate shafts , the respective first and second intermediate transmission being configured with engagement means to transmit force at least from the respective first and second drive intermediate cogwheels to the respective first and second communication cogwheels and that the respective engagement means comprise a drive coaxial projection on the intermediate drive cogwheel covering an arc and for an engagement with a coaxial projection on the communication cogwheel . <EOS>