Earless clamp structure
Patent 4492004 Issued on January 8, 1985. Estimated Expiration Date: 
December 3, 2002. 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 3, 2002. 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 ReferencesInventorApplicationNo. 06/446503 filed on 12/03/1982US Classes:24/20R, Metal bands24/20EE, End-to-end integral band end connection24/20TT, Ratchet and tool tightened band clamp24/20W, Swedged to lock band ends24/23WSwedged sheet metal band connectionExaminersPrimary: Sakran, Victor N.Attorney, Agent or FirmInternational ClassesF16B 2/02 (20060101)F16B 2/08 (20060101) F16L 33/02 (20060101) F16L 33/035 (20060101) AbstractA clamp structure especially for use in applications in which space conditions do not permit any projecting parts such as plastically deformable ears, and in which outwardly extending hooks adapted to engage in apertures are used to mechanically interconnect the clamp structure; to enable tightening of the band about an object to be fastened, cold-deformed pressed-out embossments are provided in inner and outer band portions, which extend generally in the circumferential direction so that each pressed-out embossment remains integral at least on both sides thereof, where the tool-engaging surfaces thereof are able to withstand very large tightening forces in the circumferential direction which permit a secure tightening of the clamp structure. | |
