Patent ID: 7293682
Filing Date: 2007-11-13
Classification: B65H,H01B

Abstract:
1. An arrangement for a belt drive device, which comprises two continuous drive belts, which are arranged to be operated by means of drive rollers, and which are arranged to travel around stretching rollers as continuous loops spaced apart, and which are arranged to be pressed by means of press rolls against the opposite surfaces of a cable to be drawn, wherein the drive rollers are arranged to be rotated by a single power source by driving two planetary gears connected in parallel and provided with angular front transmission, each planetary gear having an independently rotatable primary axle, and the rotary motion generated by the power source is arranged to be transmitted in the same direction to the primary axles of both planetary gears with angular front transmission in order to rotate secondary axles and the drive rollers connected thereto in opposite directions.