Film wrapping machine including film length selection

Details Film wrapping machine including film length selection Film wrapping machine including film length selection

B - Operations, Transporting

65

B

156/32

B65B 11/00 (2006.01) B65B 11/54 (2006.01) B65B 59/00 (2006.01)

Patent

CA 1228010

FILM WRAPPING MACHINE INCLUDING FILM LENGTH SELECTION Abstract of the Disclosure In a stretch film wrapping machine an improved adjustable mechanism controls the film drawing stroke of a film gripper to select the length of film pulled from a continuous roll of film. The adjustable mechanism comprises an output lever arm which is pivotally mounted to the wrapping machine and an adjustable lever arm pivotally mounted to the distal end of the output lever arm. A link is connected between the adjustable lever arm and an arcuate slot, the arc of which is centered upon the point of connection of the link to the adjustable lever arm when the film gripper is in the position to engage an end of the film roll. This arrangement adjusts the articulation of the adjustable lever arm when the output lever arm is in an extended film pulling position but returns the film gripper to the film end engaging position regardless of the adjustment of the link within the arcuate slot.

424425

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