Title:
TENSIONER UNIT FOR ACCESSORY DRIVE BELT
Document Type and Number:
WIPO Patent Application WO/2016/067928
Kind Code:
A1
Abstract:
The purpose of the present invention is to prevent various parts such as a sleeve, a washer, and a bolt, which constitute a pivot support point for a pulley arm from coming off before the pulley arm is mounted in position.
A plurality of staking protrusions (21) axially facing an end of the threaded shank (17) of a bolt (14) are provided on the rear-surface inner peripheral section of the facing surface of a washer (19), which faces the a cylinder (11). The plurality of staking protrusions (21) prevent the washer (19) and the bolt (14) from coming off, and the bolt (14) is tightened in this state to mount the pulley arm (10).
Inventors:
TANAKA TADAHISA (JP)
Application Number:
PCT/JP2015/079186
Publication Date:
May 06, 2016
Filing Date:
October 15, 2015
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16H7/12
Foreign References:
| JP2005180476A | 2005-07-07 | |||
| JP2007225089A | 2007-09-06 | |||
| JP2002250326A | 2002-09-06 |
Attorney, Agent or Firm:
KAMADA Naoya et al. (JP)
Naoya Kamata (JP)
Naoya Kamata (JP)
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