Cutlery
Patent
1980-05-23
1981-12-15
Stearns, Richard R.
Cutlery
180 20, 184 11A, F16C 3366, F16N 726
Patent
active
043056270
ABSTRACT:
An earth compacting machine includes a hollow drum rotatably mounted at each end to the machine frame to rotate on a horizontal axis, and a concentric vibratory shaft rotatably mounted at each end in a bearing which is mounted in a bearing housing fixedly mounted to the drum. A cylindrical oil sump mounted to rotate with the drum, surrounds the vibratory shaft and shaft bearings and encompasses the bearing housings. Lubrication oil in the sump covers a lower portion of the bearing housings but is below the lowest level reached by the vibratory shaft and its offset weight. Each bearing housing has a plurality of pockets provided therein open through oil access ports to the oil sump and through oil delivery ports to its associated bearing. Oil flows into a pocket when its oil access port is below the level of oil in the sump; and flows out of the pocket as the oil delivery port approaches and pass over the axis of horizontal rotation.
REFERENCES:
patent: 1787428 (1931-01-01), Fekete et al.
patent: 2645535 (1953-07-01), Bartch et al.
patent: 3741343 (1973-06-01), Lindenfeld et al.
patent: 3987873 (1976-10-01), Ruberte
patent: 4201493 (1980-05-01), Braum
patent: 4230379 (1980-10-01), Edstrom
American Hoist & Derrick Company
Stearns Richard R.
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