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.
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.
KOARAI AKIRA
OKAMOTO KUNIO
ARITA MASUJIRO
MATSUSHIMA TAMOTSU
MOGURA KENKYUSHO KK
SPEEDER RENTAL KK
NOATECH CORP
KOYO KK
| JP2008214859A | 2008-09-18 | |||
| JP2007177488A | 2007-07-12 | |||
| JP2006125032A | 2006-05-18 | |||
| JPS4928303A | 1974-03-13 |
Hirofumi Ikawa
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