Title:
BIT DEVICE FOR SOIL INVESTIGATION ROD, AND SOIL INVESTIGATION METHOD
Document Type and Number:
Japanese Patent JP2015140543
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a bit device for a soil investigation rod, which can improve a working environment by enabling a reduction in generation of noises.SOLUTION: A bit device 30 for a soil investigation rod includes a bit body 34 that is connected to a tool holder 33 of an electric hammer 32 via one end, and a rod connection part 36 that is attached to the other end side of the bit body 34 in such a manner as to be freely rotatable around an axis line and to which the soil investigation rod can be connected.
Inventors:
MIYAZAKI HIROSHI
Application Number:
JP2014013003A
Publication Date:
August 03, 2015
Filing Date:
January 28, 2014
Export Citation:
Assignee:
MIRAI GIJUTSU KENKYUSHO KK
International Classes:
E02D1/02; G01N3/40
Attorney, Agent or Firm:
Watanuki International Patent and Trademark Office
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