Web cutting device

Abstract

A web cutting device, which achieves cost reduction by a simplified structure, ensures operational stability, and enhances the reliability of the device, is provided. The web cutting device is equipped with a knife for cutting a web, and comprises: a cutting blade support member supporting the knife and supported to be pivotable between a standby position and a cutting position; a return spring for urging the cutting blade support member toward the standby position; a stopper pin and an engaging groove for stopping the cutting blade support member at least at the standby position; a cutting blade bearing member provided with a slit for receiving the knife, and a knock bolt for pivoting the cutting blade support member to the cutting position; and drive means, composed of an L-shaped lever and an air cylinder, for moving the cutting blade bearing member toward and away from the cutting blade support member.

Dependencies are inferred from the claim text.