Chain – staple – and horseshoe making – Chain making – Sprocket chain
Patent
1982-02-25
1984-02-07
Crosby, Gene P.
Chain, staple, and horseshoe making
Chain making
Sprocket chain
B21L 2100
Patent
active
044295251
ABSTRACT:
A device is disclosed for connecting and disconnecting links in a multi-strand roller chain by exerting on the roller link plates discrete, laterally-spaced, longitudinal forces in one direction on a first row of roller links, and simultaneously exerting equal forces but in an opposite direction on a longitudinally-spaced apart second row of roller links, thereby relaxing the intervening chain links disposed between the first and second rows of roller links which are being drawn together by the application of the equal but opposite forces. The apparatus includes yokes having a first and a second two-prong fork operable for the prongs to become mounted transversely on both sides of the pin plates, at their narrow waists, and to bear against the rounded heads of their adjacent, interconnecting roller plates. The prongs have end portions which project outwardly of both sides of the chain. The apparatus further includes a four-jaw vise for pulling the forks of each yoke toward each other to relax the links of the chain located between the yokes.
REFERENCES:
patent: 2332607 (1943-10-01), Schroeder
patent: 2361971 (1944-11-01), Shipman
patent: 2382447 (1945-08-01), Schaeufele
patent: 2440512 (1948-04-01), Jakoubek
patent: 2895289 (1959-07-01), Wognum
patent: 3364674 (1968-01-01), Banker
patent: 3379005 (1968-04-01), Jones
patent: 4030286 (1977-06-01), Gibilaro
Breston Michael P.
Crosby Gene P.
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