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Document Type and Number:
Japanese Patent JP2019011798
Kind Code:
To provide a reduction gear excellent in mountability.SOLUTION: This reduction gear 1 comprises: an output shaft 2 in which a plurality of teeth 2a are formed at an external peripheral face; an eccentric member 3 arranged at an outside-diameter side with respect to the output shaft 2, and having an internal peripheral face which is decentered to the output shaft 2; a plurality of rollers 6 arranged between the output shaft 2 and the eccentric member 3; and a cage 7 for rotatably holding the rollers 6. Everytime the eccentric member 3 rotates one round, the rollers 6 push output shaft 2, the output shaft 2 is rotated to a peripheral direction by an amount of one tooth, and the output shaft 2 is thereby decelerated in speed with respect to the eccentric member 3, and rotates.SELECTED DRAWING: Figure 1

石川 慎太朗
松任 卓志
Application Number:
Publication Date:
January 24, 2019
Filing Date:
June 29, 2017
Export Citation:
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International Classes:
Attorney, Agent or Firm:
城村 邦彦
熊野 剛
野村 英明

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