Title:
REDUCTION GEAR
Document Type and Number:
Japanese Patent JP2019011798
Kind Code:
A
Abstract:
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
Inventors:
ISHIKAWA SHINTARO
MATTO TAKUSHI
MATTO TAKUSHI
Application Number:
JP2017127801A
Publication Date:
January 24, 2019
Filing Date:
June 29, 2017
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16H13/08
Attorney, Agent or Firm:
Kunihiko Shiromura
Tsuyoshi Kumano
Hideaki Nomura
Tsuyoshi Kumano
Hideaki Nomura