Chain links

Details Chain links Chain links

1987-04-09

1988-06-14

Jones, David

Chain, staple, and horseshoe making

Chains

Conduit

59 91, 59 5, 59 6, 59901, 59 84, 198731, 198851, 474230, 474233, 474234, 474236, F16G 1308

Patent

active

047503254

ABSTRACT:
A chain link having a pair of curved extremities and being generally in the shape of an elongated loop. The loop defines two sides which converge towards the middle of the link where the two sides are rigidly jointed together, as by a weld, thereby forming a pair of interior spaces progressively narrowing towards the middle. Such link is adapted for use in alternation with pin links in a chain designed to remove waste material in a livestock enclosure. A method of making the link is further disclosed.

REFERENCES:
patent: 543356 (1895-07-01), Schmidt
patent: 1260065 (1918-03-01), Ryan
patent: 1430834 (1922-10-01), Nichols
patent: 1485520 (1924-03-01), Nichols
patent: 2398898 (1943-10-01), St. Pierre
patent: 2451254 (1944-05-01), St. Pierre
patent: 2738643 (1956-03-01), Money et al.
patent: 3961702 (1976-06-01), Blok
patent: 4570436 (1986-02-01), Wilkie
patent: 4679392 (1987-07-01), Nakagawa

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