Conveyor chain having a roller housing cylindrical rollers there

Details Conveyor chain having a roller housing cylindrical rollers there Conveyor chain having a roller housing cylindrical rollers there

1998-03-09

2000-06-06

Terrell, William E.

Conveyors: power-driven

Conveyor section

Load-supporting rolls moved about endless path

198838, 198845, 198712, 384565, B65G 1700

Patent

active

060707119

ABSTRACT:
A conveyor chain having a hollow roller housing (15), an annular series of cylindrical rollers (14A and 14B) therein providing rotation of the hollow roller on an internal bushing (13). Alternate cylindrical rollers (14A) have a pair of cylindrical roller separating retaining rings (17) rotatably fitted over both ends. Intermediate cylindrical rollers (14B) have no cylindrical roller separating retaining rings (17). The retaining rings (17) on the alternate rollers (14A) engage the intermediate cylindrical rollers (14B). The cylindrical bearing surfaces (13A, 15A) are sandwiched between the retaining rings at each end of the rollers (14A) and project toward the outer circumferential surfaces of the cylindrical rollers (14A and 14B). The roller (15) and the bushing (13) have recessed surfaces (15A and 13A) which are spaced from the outer and inner circumferential surfaces of the retaining rings (17).

REFERENCES:
patent: 1245147 (1917-10-01), Harris et al.
patent: 2244422 (1941-06-01), Guba
patent: 3701413 (1972-10-01), Leahy et al.
patent: 4049308 (1977-09-01), Martin
patent: 5143205 (1992-09-01), Fujimoto

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