Speed reducer

Details Speed reducer Speed reducer

2007-08-09

2011-10-11

Estremsky, Sherry L (Department: 3655)

Planetary gear transmission systems or components

With lubricaton

Reexamination Certificate

active

08033940

ABSTRACT:
A speed reducer that can fundamentally eliminate the cause of lubricant leakage is provided. A speed reducer that reduces the speed of input rotation includes at least a first space and a second space separated by an oil seal, and the first space and the second space are each put with lubricant. A level of the lubricant put in the first space is set to be higher than a level of the lubricant put in the second space, and the level of the lubricant put in the second space is set to be at or lower the level of a lowermost oil seal among oil seals that separate the second space and the exterior of the speed reducer.

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patent: 2001-323972 (2001-11-01), None
patent: 2002-302233 (2002-10-01), None

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