Lubrication means for swing gear drive

Details Lubrication means for swing gear drive Lubrication means for swing gear drive

1975-01-23

1976-11-09

Pinkham, Richard C.

Lubrication

Systems

Gearing

74467, 212 69, F16N 2900

Patent

active

039905390

ABSTRACT:
An excavator comprises an upper unit rotatably mounted on an undercarriage by selectively driving a swing pinion against a reaction ring gear secured to the undercarriage. A semi-cylindrical grease retainer is secured to the upper unit to substantially enclose the swing pinion to continuously supply grease to meshing teeth of the respective gears. A fill-tube is secured to the retainer to communicate grease therein via a fitting disposed in an operator's cab of the excavator.

REFERENCES:
patent: 2796148 (1957-06-01), Banks
patent: 3662623 (1972-05-01), Lorence
patent: 3811577 (1974-05-01), Yancey
patent: 3851731 (1974-12-01), Jorgensen
patent: 3854553 (1974-12-01), Miller

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