Planetary gear apparatus

Details Planetary gear apparatus Planetary gear apparatus

2005-05-17

2005-05-17

Wright, Dirk (Department: 3681)

Planetary gear transmission systems or components

Planetary gearing or element

Reexamination Certificate

active

06893374

ABSTRACT:
Five receiving holes2eextending along the axis of a circular cylindrical portion2bof a housing are formed in the circular cylindrical portion2b. Those five receiving holes2eare arranged at equal intervals in the peripheral direction of the circular cylindrical portion2b. Each receiving hole2erotatably receives therein a planetary gear5. The respective planetary gears5are in engagement with an inner gear3and a sun gear4. The teeth of the inner gear3, the sun gear4and the planetary gears5are helical teeth. The numbers of teeth of the inner gear3, the sun gear4and the planetary gears5are set to 36, 24 and 6, respectively. As a result, the numbers of teeth of the inner gear3and the sun gear4located between adjacent two planetary gears5in the peripheral direction become 7.2 and 4.8, respectively, which are values each having a fraction below the decimal point.

REFERENCES:
patent: 1644222 (1927-10-01), Baker
patent: H04-312247 (1992-04-01), None
patent: H09-112657 (1997-02-01), None
patent: H09-144844 (1997-03-01), None

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