Machine element or mechanism – Gearing – Toothed gear and recirculated unconnected elements
Patent
1975-06-12
1977-07-19
Scott, Samuel
Machine element or mechanism
Gearing
Toothed gear and recirculated unconnected elements
74251R, 59 8, 59 35CP, F16G 1302, F16G 1306
Patent
active
040360725
ABSTRACT:
A roller chain that includes a series of alternately arranged roller links and pin links is manufactured by welding side bars to separately formed bushings and pins. Each roller link has a pair of laterally spaced side bars extending in a direction longitudinally of the chain. A pair of bushings extend transversely of the chain between the side bars and a pair of rollers are rotatably mounted on the bushings. Welds fuse each end portion of each bushing to an adjacent side bar end portion. Each pin link has a pair of laterally spaced side bars extending in a direction longitudinally of the chain, with one side bar being located on one side of an adjacent pair of roller links and the other side bar being located on the opposite side of the roller links. A pair of pins extend transversely between the side bars, through bore openings in the bushings of each roller link. Welds fuse each end portion of each pin to an adjacent side bar end portion.
REFERENCES:
patent: 2159396 (1936-05-01), Miller et al.
patent: 2319979 (1943-05-01), Collins et al.
patent: 2444812 (1948-07-01), Crowley, Jr. et al.
patent: 2498788 (1950-02-01), Bremer
patent: 2512429 (1950-06-01), Jones
patent: 2568650 (1951-09-01), McIntosh et al.
patent: 2844042 (1958-07-01), Mercier
patent: 2983158 (1961-05-01), Hodlewsky
patent: 3246734 (1966-04-01), Carvallo
patent: 3325991 (1967-06-01), Glendenning
patent: 3595011 (1971-06-01), Nicholson
Lambert Roy E.
McKeon John F.
Burke Allan R.
Edwards J. W.
FMC Corporation
Scott Samuel
Tripp C. E.
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