Patent ID: 6085497
Filing Date: 2000-07-11
Classification: B65B

Abstract:
Lifting device for a working station of a packaging machine, said packaging machine having a frame and means for conveying a material web therealong, and said working station having a base, a first tool member rigidly connected to said base and disposed on one side of said material web, and a second tool member disposed on the opposite side of said material web,said lifting device comprisinga first lifting member for lowering said second tool member into a lowered position relative to said first tool member and for raising said second tool member into a raised position relative to said first tool member, said first lifting member being arranged between said base and said second tool member, anda second lifting member coupled to said second tool member and said first tool member for moving said first tool member away from said material web when lowering said second tool member into said lowered position, said second lifting member comprising at least one lever having a fulcrum linked to said frame via a first connection rod, one outer end pivotally connected to said base and another outer end linked to said second tool member via a second connection rod.