Vertical dancer with constant torque

Details Vertical dancer with constant torque Vertical dancer with constant torque

B - Operations, Transporting

65

B

156/21

B65B 41/16 (2006.01) B65B 9/10 (2006.01) B65B 9/20 (2006.01) B65B 41/18 (2006.01) B65H 23/16 (2006.01)

Patent

CA 2033094

2033094 9014272 PCTABS00002 A dancer assembly (10) for feeding a web of film (12) having ports extending therefrom to a former (16) for folding the web of film (12). The apparatus includes a dancer (20) having a roller (26) located between two tracks (51, 53) that allow the roller (26) to move vertically along the tracks (51, 53). The web of film (12) is fed around the roller (26) and vertically upwards toward the former (16). A quarter turn member (18) is further provided for changing the flow path of the film (12) from a substantially horizontal flow path to a substantially vertical flow path. And a member for moving horizontally, as a unit, the dancer (20) and quarter turn member (18) while maintaining a fixed spacial orientation of the dancer (20) and the quarter turn member (18) is provided. A method of feeding a web of film (12) to a former (16) is also provided.

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