Patent ID: 9289808
Filing Date: 2016-03-22
CPC Classification: B21C

Claim Text:
1. A coil laying head comprising a rotor defining a longitudinal rotation axis and comprising two or more conduits and a mandrel having a cylindrical symmetry according to said longitudinal axis, a selector tube, coaxially arranged with respect to the rotor, configured to guide a rolled product into one of the conduits, a main control connected to said mandrel to feed the rotor in rotation, a phase shifter system having gears comprising two nonmoving components with respect to a base, an input component coaxially connected to the mandrel to receive the rotary motion thereof, an output component connected to the selector tube, a first group of side pinions engaging on the input component and on one of the nonmoving components, and a second group of side pinions engaging on the output component and on the other of the nonmoving components, connecting means for connecting said first group of side pinions with said second group of side pinions to feed them in rotation according to said longitudinal axis, adjusting means for adjusting an angular phase shift between said two nonmoving components.