Title:
雨水浸透坑掘削装置
Document Type and Number:
Japanese Patent JP4648991
Kind Code:
B1
Abstract:
PROBLEM TO BE SOLVED: To provide a rainwater permeation pit excavator which allows a rainwater permeation pit to reach the ground having permeability by small-scale construction work and also which can be easily assembled and installed at a construction site.SOLUTION: The rainwater permeation pit excavator comprises; a crawler type traveling body 1; a support arm 2 projected on the traveling body 1; a slide base 3 supported by the support arm 2; a first cylinder member 4 built in the slide base 3; a frame structure 5 supported by the first cylinder member 4 and engaged to the slide base 3; a second cylinder member 6 built in the frame structure 5; a slider 7 supported by the second cylinder member 6 and engaged to the frame structure 5; a plane part 76 projected on the surface of the slider 7; a rotational driving body 8 held by the plane part 76; and a circular pipe body holding portion 9 holding the circular pipe body to the rotational driving body 8.
Inventors:
Atsushi Okubo
Akira Koarai
Kazuo Okamoto
Masujiro Arita
Matsushima Tamotsu
Akira Koarai
Kazuo Okamoto
Masujiro Arita
Matsushima Tamotsu
Application Number:
JP2010173960A
Publication Date:
March 09, 2011
Filing Date:
August 02, 2010
Export Citation:
Assignee:
Hosho Co., Ltd. eg
Mole Research Institute Co., Ltd.
Speeder Rental Co., Ltd.
Noatech Co., Ltd.
Koyo Co., Ltd.
Mole Research Institute Co., Ltd.
Speeder Rental Co., Ltd.
Noatech Co., Ltd.
Koyo Co., Ltd.
International Classes:
E03F1/00; E21B7/00; E21B15/00
Domestic Patent References:
| JP2008214859A | ||||
| JP2007177488A | ||||
| JP5047088U | ||||
| JP2006125032A | ||||
| JP49028303U |
Attorney, Agent or Firm:
Hajime Shibata
Hirofumi Ikawa
Hirofumi Ikawa