Title:
POWER TRANSMISSION DEVICE
Document Type and Number:
Japanese Patent JP2014185776
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an inexpensive power transmission device which has a pulley provided with a female screw portion on a disc portion.SOLUTION: A power transmission device is equipped with a pulley 6, and an elastic member 21 coupled to a disc portion 8 of the pulley 6. A fastening portion for coupling the disc portion 8 and the elastic member 21, is equipped with a plurality of fixing screws 11, a nut 62, and a nut holder 63. The nut holder 63 is equipped with a nut holder body 66, a nut holding portion 64, and an installing portion 29. The nut 62 is equipped with a cylindrical portion 62a, and a projecting portion 62b for regulating rotations. The nut holding portion 64 has an inner wall surface for regulating rotations of the nut 62, and a bottom surface formed with a predetermined interval between the projecting portion 62b and the nut holding portion 64; and is composed of a recessed portion 71 having size which does not contact with the nut 62 and opening toward the disc portion 8, a hole 74 formed on a bottom portion of the recessed portion 71 and in which a jig for holding the nut is inserted, and a damper rubber 65 penetrated by the cylindrical portion 62a of the nut 62 and fitted in the recessed portion 71.
Inventors:
HARA YUKIHIRO
YOSHIDA SUSUMU
KANZAWA TAKAHIRO
YOSHIDA SUSUMU
KANZAWA TAKAHIRO
Application Number:
JP2014102076A
Publication Date:
October 02, 2014
Filing Date:
May 16, 2014
Export Citation:
Assignee:
OGURA CLUTCH CO LTD
International Classes:
F16H55/36; F16B37/14; F16B41/00; F16F15/12; F16F15/124
Domestic Patent References:
| JP2007040403A | 2007-02-15 |
Attorney, Agent or Firm:
Masaki Yamakawa
Shigeki Yamakawa
Shigeki Yamakawa