Title:
動力工具および先端工具
Document Type and Number:
Japanese Patent JP5343963
Kind Code:
B2
Abstract:
The present invention provides a power tool in which the permanent set of an elastic member is suppressed and the vibration reduction effect is maintained over a long period of time. A rubber ring is disposed as the elastic member between a wheel washer mounted on a spindle and a substrate of a diamond wheel, and these are secured by a locknut screwed to a tip of the spindle. This rubber ring absorbs the vibrations applied to the diamond wheel at grinding work. A mounting hole of the substrate is mounted on a boss portion of the wheel washer with a clearance fit, and spring pins whose both ends are supported by the wheel washer and a portion of a holding plate in the locknut are inserted into insertion holes of the substrate and insertion holes of the rubber ring with a clearance fit.
Inventors:
Takashi Kawamata
Kobayashi Shigekichi
Kobayashi Shigekichi
Application Number:
JP2010291813A
Publication Date:
November 13, 2013
Filing Date:
December 28, 2010
Export Citation:
Assignee:
Hitachi Koki Co., Ltd.
International Classes:
B24B45/00; B24B23/00; B24D7/00; B25F5/00
Domestic Patent References:
| JP51153893U | ||||
| JP2010069604A |
Attorney, Agent or Firm:
Yamato Tsutsui