Patent ID: 6216747
Filing Date: 2001-04-17
Classification: B65H,D03D

Abstract:
A beam let-off apparatus for elastomeric filaments comprising:a frame;a driven roll and an idler roll rotatably mounted on the frame for rotatably supporting a beam on and between the driven roll and the idler roll;a dancer roll rotatably mounted between arms mounted on the frame, for passing the filaments under and around the dancer roll through a wrap angle in the range of 140.degree. to 180.degree.;drive means for rotating the driven roll;a switch for activating and deactivating the drive means; andmeans for signalling dancer roll position to the switch so that when the dancer roll is in a raised position the switch activates the drive means, and when the dancer roll is in a lowered position the switch deactivates the drive means.