Patent ID: 7096782

Claim:
A driving apparatus in a printing press, including: a first driven device driven by a driving source; a second driven device drive-coupled to said first driven device; and a driving connecting/disconnecting mechanism which connects and disconnects transmission of driving from said first driven device to said second driven device, said driving connecting/disconnecting mechanism including a first engaging member supported rotatably and constantly drive-coupled to one of said first and second driven devices, said first engaging member having a plurality of teeth formed on an outer surface thereof and drive-coupled to one of said first and second driven devices, and a plurality of first engaging portions which rotate together with said teeth, and a second engaging member supported rotatably, constantly drive-coupled to the remaining one of said first and second driven devices, and engageable with said first engaging member, said second engaging member having a second engaging portion engageable with said first engaging portions, wherein said first engaging portions have the same shape and are equidistantly arranged in a rotational direction of said first engaging member, when said first and second engaging portions engage, said first and second driven devices are drive-coupled, and when said first and second engaging portions disengage, drive coupling of said first and second driven devices is disconnected, and the number of said first engaging portions is set to a multiple integer of the number of said teeth.