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|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||F16H-057/08 F16H-057/00 F16H-055/17|
|발명자 / 주소||
|출원인 / 주소||
|대리인 / 주소||
|인용정보||피인용 횟수 : 1 인용 특허 : 10|
In a gear mechanism, inner gear teeth and outer gear teeth are formed of high-tooth. An engagement ratio of the inner and outer gear teeth is configured so as to be 2.0 or more, whereby a load can be transferred between the inner and outer teeth via a continuous gear engagement of at least two pairs of gear teeth thereof. Accordingly, a contact face pressure and a bending stress occurring to inner and outer gear teeth can be reduced, the limitation of the durability of the gear mechanism due to the large difference of durability between the inner and out...
What is claimed is: 1. A reduction planetary gear comprising: an input shaft driveably connected to an output shaft of a motor; a sun gear driveably connected to said input shaft; a planetary gear mechanism including two or more stages of planetary gears which are driveably engaged with said sun gear; a ring gear including inner gear teeth which are formed inside thereof and driveably engaged with first stage planetary gears and final stage planetary gears of said planetary gear mechanism; and a case rotatably supporting said ring gear, wherein gear tee...