Title:
POWER TRANSMISSION DEVICE
Document Type and Number:
Japanese Patent JP2019074197
Kind Code:
A
Abstract:
To provide a power transmission device capable of suppressing backlash efficiently.SOLUTION: A power transmission device comprises a first taper gear rotating around a first shaft, and a second taper gear engaged to the first taper gear and rotating around a second shaft. Teeth of the first taper gear take on such a shape that the larger a diameter of the first taper gear becomes, the larger transition to a plus side becomes stepwisely, and teeth of the second taper gear take on such a shape that the larger a diameter of the second taper gear becomes, the larger transition to a plus side becomes stepwisely.SELECTED DRAWING: Figure 1
Inventors:
MOMOSE YOSUKE
Application Number:
JP2017202870A
Publication Date:
May 16, 2019
Filing Date:
October 19, 2017
Export Citation:
Assignee:
NIDEC COPAL CORP
International Classes:
F16H55/24; F16H55/08
Domestic Patent References:
| JPH06257660A | 1994-09-16 | |||
| JP2007285327A | 2007-11-01 | |||
| JP2009085331A | 2009-04-23 | |||
| JP2006226509A | 2006-08-31 |
Foreign References:
| WO1999032800A1 | 1999-07-01 | |||
| WO2017110840A1 | 2017-06-29 | |||
| US20090133521A1 | 2009-05-28 | |||
| WO2017046767A1 | 2017-03-23 |
Attorney, Agent or Firm:
Takafumi Ishii