Conveyors: power-driven – Conveyor having impinging fluid to feed – shift or discharge... – Having lubricating means
Patent
1978-03-27
1979-11-13
Brown, David H.
Conveyors: power-driven
Conveyor having impinging fluid to feed, shift or discharge...
Having lubricating means
184 6, 308 20, B65G 4502, F16N 724
Patent
active
041740319
ABSTRACT:
A series of conveyor idler roll shafts in end-to-end relation supported by bearings provides a pressurized chamber for the flow of grease or oil to the bearings from a reservoir, which is capable of pumping the lubricant into the axial bore of each shaft. Small, radially directed holes connect the shaft bores to the bearings by providing a restricted passage having across it a suitable pressure drop capable of allowing lubricant to flow in sufficient quantities to each bearing regardless of its distance from the reservoir pressure source. Adjacent shaft ends are connected with a resilient cylindrical tubular coupler to provide the requisite flow passage continuity. A labyrinth seal provides a continuous path for lubricant to flow through the bearings, the seal and ultimately to the exterior of the system, where its appearance is visible and indicative of adequate lubricant flow to each bearing along the shaft assembly.
REFERENCES:
patent: 1958412 (1934-05-01), Andrada et al.
patent: 2728415 (1955-12-01), LeClair
patent: 3334727 (1967-08-01), Rieser
patent: 3338381 (1967-08-01), Imse
patent: 3797609 (1974-03-01), Bertaud
patent: 3892306 (1975-07-01), Bertaud
patent: 3960243 (1976-06-01), DiAntonio
patent: 4051921 (1977-10-01), Sheldon
Brown David H.
Fritz, Jr. Raymond E.
Rexnord Inc.
Schultz Ernst W.
Smith Vance A.
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