Speed reducer box for driving a pump jack

Details Speed reducer box for driving a pump jack Speed reducer box for driving a pump jack

1976-01-14

1977-06-14

Scott, Samuel

Machine element or mechanism

Elements

Gear casings

742165, 74219, 74226, 742421R, F16H 5702, F16H 706, F16H 712

Patent

active

040289648

ABSTRACT:
An improved light weight speed reducer box for driving an oil pump jack and reducing the speed from a drive motor or the like to the pump jack. The speed reducer box includes reversible chain driven sprockets mounted on an input shaft, idle shaft, and output shaft. By mounting the shafts between a separate upper and lower housing, maintenance can be quickly performed on the speed reducer box.

REFERENCES:
patent: 646467 (1900-04-01), Short
patent: 1360032 (1920-11-01), Schiffner
patent: 1988421 (1935-01-01), McCann et al.
patent: 2121080 (1938-06-01), Galkin
patent: 2155108 (1939-04-01), Wave
patent: 2171158 (1939-08-01), McCann
patent: 2196479 (1940-04-01), Sloan
patent: 3563110 (1971-02-01), Hauser
patent: 3572147 (1971-03-01), Obenshain

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