Device for controlling the outward movement of the cutting blade of a drum in a wiping material dispenser
US-7373864-B2Abstract
A device for controlling outward movement of a cutting blade of a drum in wiping material dispensing equipment is distinctive in that one of the flanges of the casing is designed with rings having a fixed position and formed during molding of an inner side of the flange facing the drum and being applied against a facing edge of the drum. The end flange of the drum on its lateral edge has a projecting profile forming a bar arranged for the fixing and pivoting of the blade holder and having a cutout to receive a locking member formed on a lever mounted to pivot with the blade holder. Each of a first central ring and the lever located on the flange and the drum, respectively has two shaped protuberances which interact at certain stages of operation. One of the other rings formed on the flange is designed to interact with the locking member formed on said lever at certain stages of operation when the drum rotates.
Patent figures（8）
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