Knife scraper for drums, particularly the drums of a cylinder mill
Patent 4434522 Issued on March 6, 1984. Estimated Expiration Date: 
December 11, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 11, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 743955 1411907 2399538 3040442 3378876 InventorAssigneeApplicationNo. 06/330312 filed on 12/11/1981US Classes:15/256.51, Roll cleaners101/157ScraperExaminersPrimary: Roberts, Edward L.Attorney, Agent or FirmInternational ClassesB02C 4/40 (20060101)B02C 4/00 (20060101) Foreign Application Priority Data1980-05-10 CHAbstractA knife scraper for rotating drums, particularly for the drums of a cylinder mill, which exhibits a knife beam (5) in which the knife (3) is mounted as well as a counterweight (12) for pressing the knife (3) on the associated drum (1, 1'). In order to make it especially simple and quick to adjust the knife (5) while simultaneously keeping the installation costs and manufacturing costs low and to make the knife (3) essentially self-adjusting in normal operation according to the invention, several mechanical tension elements (11-15) are provided along the length of the knife (3) by means of which by slightly elastically bending the knife surface (F) extending beyond the knife beam (5) the cutting edge (4) of the knife (3) can be pressed against the drum (1, 1'). | |
