Chain – staple – and horseshoe making – Chains – Ornamental
Patent
1988-12-19
1990-06-19
Jones, David
Chain, staple, and horseshoe making
Chains
Ornamental
59 16, 59 20, F16G 1300
Patent
active
049341359
ABSTRACT:
A rope chain made from precious metals, having tightly interfitting rings of a given cross-section diameter, each ring having a small gap slightly larger than its cross-section diameter to permit one ring to pass through the gap of a second ring, each of said rings having an inner diameter equal to just over X times greater than the ring cross-section diameter, where X is a number equal to or greater than 3, said rope chain being formed by a plurality of assemblies of said rings, in series, each assembly comprising X+1 rings, each ring of said assembly being angularly intertwined with an adjacent ring, each said assembly of rings comprising at least one ring oriented with its gap about 180.degree. removed with respect of the gap of at least one other ring within said assembly, characterized in that each assembly of rings comprises at least one group of two or more adjacent rings having their gaps in the same orientation, said at least two or more adjacent rings being fixedly attached to each other, each of said at least one group of two or more adjacent rings being also fixedly attached to another ring having a gap orientation about 180.degree. removed with respect of the gaps of the rings of said group of two or more adjacent rings, and the end ring of each assembly in the series envelops the other rings of said assembly.
REFERENCES:
patent: 2300624 (1942-11-01), Keene
patent: 2617250 (1952-11-01), Kunzmann et al.
patent: 4493183 (1985-01-01), Bucefari et al.
patent: 4503664 (1985-03-01), Allazzetta et al.
patent: 4651517 (1987-03-01), Benhamou et al.
Jodziewicz Matthew F.
Jones David
Kleinberg Marvin H.
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