Bushing link chain

Details Bushing link chain Bushing link chain

1975-06-19

1977-05-03

Scott, Samuel

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

74255R, 59 4, 59 15, F16G 1306, B21L 902

Patent

active

040207129

ABSTRACT:
A blank, having a pair of parallel bushing forming strips that are intermediately connected by a web, is formed from stock. The blank is bent and curled in a progressive die to form a bushing link that includes a pair of cylindrical bushings integral with the web. Rollers can be slipped longitudinally over the bushing ends opposite from the web and an inside plate is welded to the bushing ends to form a roller link. Such roller links are alternately arranged with pin-links to form a roller chain. A bushing chain can be formed in essentially the same manner as the roller chain by omitting the rollers from the bushing links.

REFERENCES:
patent: 1689556 (1928-10-01), Nichols
patent: 2272837 (1942-02-01), Getz et al.
patent: 2291182 (1942-07-01), Blalack
patent: 2645133 (1953-07-01), David
patent: 2793536 (1957-05-01), Onulak
patent: 3119276 (1964-01-01), Pearson
patent: 3141347 (1964-07-01), Onulak et al.
patent: 3192785 (1965-07-01), Pearson
patent: 3514941 (1970-06-01), Mueller

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