Title:
GRINDER FOR NARROW PART
Document Type and Number:
Japanese Patent JP2018103344
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To improve convenience of a grinder for narrow part used for mending of narrow parts such as expansion gap of toe-to-toe part of road base.SOLUTION: A grinder comprises: a flat plate-like tip tool 13 to polish or cut a mending target part of a narrow part; a rotary spindle 15 supporting the tip tool 13 by the spindle; and a motor 16 which is a rotary driving force of the rotary spindle 15. A bar-type arm 12 whose length can be adjusted to an extending direction in an appointed range is provided to a tip 21 of a main body trunk 11 which is a gripper. The rotary spindle 15 is provided to the peripheral surface of the tip 22 of the arm 12. The rotary power of the motor 16 is transmitted to the rotary spindle 15 via a drive belt 30 provided to the arm 12.SELECTED DRAWING: Figure 3
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Inventors:
YAMANE KENJI
MARUTA MITSUMASA
MARUTA MITSUMASA
Application Number:
JP2016255782A
Publication Date:
July 05, 2018
Filing Date:
December 28, 2016
Export Citation:
Assignee:
NAKAI SHOKO KK
International Classes:
B24B23/02
Attorney, Agent or Firm:
Eiji Miyazaki
Tomohiro Harada
Tomohiro Harada