Chain – staple – and horseshoe making – Chain making – Combined machines
Patent
1995-02-14
1997-01-14
Jones, David
Chain, staple, and horseshoe making
Chain making
Combined machines
59 16, 59 24, 59 27, B21L 102
Patent
active
055928099
ABSTRACT:
Apparatus is disclosed for forming a single wire link which can be joined to a preformed jewelry article. The apparatus includes an electric motor-driven cam assembly that provides for sequential operation of the wire feeding and link forming devices. A single wire section is severed from a wire stock, bent into a U-shaped configuration and fed to a link forming station within a common working plane where the U-shaped wire element can be formed into a link and joined to a jewelry article. The link forming apparatus avoids the use of a magazine for storing a plurality of U-shaped wire element thus eliminating unused U-shaped wire elements in the magazine when switching wire stock. The apparatus is constructed in a manner which readily permits quick and easy changing of the feeding and forming dies when switching to different size wire stock. The apparatus further provides a simple adjustment mechanism for adjusting the length of the wire section severed from the wire stock.
REFERENCES:
patent: 1478808 (1923-12-01), Weber
patent: 1478814 (1923-12-01), Bittrolf
patent: 2680344 (1954-06-01), Capellazzi et al.
patent: 2713765 (1955-07-01), Capellazzi et al.
patent: 3004383 (1961-10-01), Crafford
patent: 3354633 (1967-11-01), Crafford
patent: 3841088 (1974-10-01), Crafford et al.
patent: 5412933 (1995-05-01), Mallett et al.
Marcotrigiano Anthony
Pepper James T.
Crafford Precision Products Co.
Jones David
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