Buckles – buttons – clasps – etc. – Bale and package ties – hose clamps – With tighteners
Patent
1980-01-24
1981-07-14
Sakran, Victor N.
Buckles, buttons, clasps, etc.
Bale and package ties, hose clamps
With tighteners
24230R, 24230AK, 242305R, 292175, 24326, 24374, A44B 1900
Patent
active
042778662
ABSTRACT:
A small, strong jewelry clasp which requires fewer manufacturing steps to produce is disclosed. A generally flat, rectangular, elongate pin body is formed having a finger element extending from one end thereof. The other end of the pin body typically has a hole formed therethrough to capture a link of a chain. The upper surface of the pin body has a notch formed therein for receipt of a compression spring. This notch is bounded on one end by a spring stop portion of the pin body. The other end of the notch is open. A box-like enclosure member is formed by folding a flat piece of malleable material to fit around both the pin body and the notch formed in the pin body. A portion of the enclosure which is near the open end of the notch is folded inwardly so that when the enclosure is slid over the pin body, a spring is captured between the spring stop portion of the pin body and inwardly folded portion of the enclosure. The finger element is then bent into a generally J-shaped configuration so that the end of the free end of the finger element abuts the inwardly folded portion of the enclosure. The enclosure is typically provided with a protuberance or handle by which the enclosure can be urged against the biasing force of the compression spring to create a gap between the inwardly folded portion of the enclosure and the free end of the finger element. A link of a jewelry chain is placed into and secured within the aperture formed by the finger element, the pin body and the enclosure.
REFERENCES:
patent: 370918 (1887-10-01), Armstrong
patent: 1093945 (1914-04-01), Ohlsson
patent: 1114289 (1914-10-01), Rittenhouse
patent: 1758337 (1930-05-01), Sheller
patent: 1771427 (1930-07-01), Waterhouse
patent: 2499077 (1950-02-01), Roysher
patent: 2884672 (1959-05-01), Tracy
patent: 2902738 (1959-09-01), Owens
patent: 2986788 (1961-06-01), Hasek
patent: 3988813 (1976-11-01), Korcey, Jr.
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