Appeal 2007-1330
Application 10/451,725
Appellants’ claimed invention is directed to a belt drive device
including two continuous drive belts driven by drive rollers and arranged to
travel around stretching rollers and be pressed by press rolls against opposite
surfaces of a cable or the like drawn by the belt drive device (Specification
1). Independent claims 1 and 11 are illustrative of the claimed invention and
read as follows:
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.
11. 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
gear systems each gear system having a driven,
fixed and planetary gear, the gear systems
2
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Last modified: September 9, 2013