Patent ID: 8152706
Filing Date: 2012-04-10
Classification: B26D,B26F,B31B,B65B,B65D,Y10T

Abstract:
1. A rolling mechanism for having an opening perforation line on a plastic packaging film, comprising: a carriage frame; a pressure bearing unit, comprising: an impact cushioning mechanism, which is coupled between the carriage frame and the pressure bearing seat of the pressure bearing unit; and an opening cutter assembly, which is arranged adjacent to the anvil roll of the pressure bearing unit and comprises a rotatable opening cutter shaft and at least one opening cutter blade mounted to the opening cutter shaft; wherein when the opening cutter assembly is driven to rotate so as to have the opening cutter blade rolling on the anvil roll of the pressure bearing unit, an impact is applied to the anvil roll and absorbed by the impact cushioning mechanism, whereby the anvil roll can endure the impact applied thereto.