Title:
POWER TRANSMISSION DEVICE
Document Type and Number:
Japanese Patent JP2017020535
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To suppress the lowering of the durability of a displacement device which makes a rolling bearing for rotatably supporting an idler pulley and the idler pulley contact with or separate from a drive pulley and a driven pulley.SOLUTION: An idler pulley 13 which is rotatably supported by a rolling bearing 17 is arranged between a drive pulley 12 and a driven pulley 15, and an elastic member layer 18 is formed at an outside diameter face of the idler pulley 13. A pair of flanges 22 are arranged on outside diameter faces of the drive pulley 12 and the driven pulley 15, the elastic member layer 18 and one flange 22 are made to abut on each other when an axial force is applied to a direction opposing a pulley contact part at the contact of the idler pulley 13 with both the drive pulley 12 and the driven pulley 15, the axial force is supported by both the drive pulley 12 and the driven pulley 15, and the application of the large rotation moment to the rolling bearing 17 which rotatably supports the idler pulley 13 is prevented.SELECTED DRAWING: Figure 3
Inventors:
NAKAO GORO
Application Number:
JP2015136756A
Publication Date:
January 26, 2017
Filing Date:
July 08, 2015
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16H13/04
Attorney, Agent or Firm:
Naoya Kamata
Bunji Kamada
Yaichiro Nakatani
Takashi Shimizu
Bunji Kamada
Yaichiro Nakatani
Takashi Shimizu