Rotary drive mechanisms
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United States of America Patent
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-
Nov 5, 1991
Grant Date -
N/A
app pub date -
May 21, 1990
filing date -
Apr 4, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rotary drive mechanism comprises an hydraulic motor, a shaft rotatable by the hydraulic motor, a cutting blade (or fan impeller) connected to the shaft, and a bearing assembly supporting the shaft. The bearing assembly comprises a bearing housing, a plain journal bearing mounted in the housing, and a plain thrust bearing integral with the journal bearing also mounted in the housing.
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