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Patent Searching and Data


Title:
EXCAVATOR
Document Type and Number:
Japanese Patent JP2005226280
Kind Code:
A
Abstract:

To provide an excavator capable of easily constructing a bent digged hole by changing the direction of digging arbitrarily in the ground.

This excavator 1 is provided with a rotary means 10 for excavation composed of a fixed shaft 11, a hydraulic motor 14 in which an output part 13 having an earth removal member 12 around it can rotate around the fixed shaft 11, and a rotary shaft 17 having a digging blade 15 in a front end part and connected with an output part 13 of the hydraulic motor 14 to rotate around the concentrical axis with the fixed shaft 11. A plurality of fixed shafts 30 for extension arranged on the same axial line as the fixed shaft 11 are sequentially attached to a rear end part of the fixed shaft 11, and the fixed shaft 11 and each fixed shaft 30 for extension are connected so as to bend freely.


Inventors:
KANEKO KENICHI
TAKASE YOSHIYUKI
SUZUKI KURAO
FUJITANI TOSHIMI
HASHIMOTO SATOSHI
OYA HIROSHI
KADOTA KATSUMI
SUGIMORI MAKOTO
OZAKI MASAYA
SAKAGAMI YOSHIHARU
Application Number:
JP2004034601A
Publication Date:
August 25, 2005
Filing Date:
February 12, 2004
Export Citation:
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Assignee:
TAISEI CORP
ISHIKAWAJIMA HARIMA HEAVY IND
SEIWA KIKO KK
International Classes:
E21B7/04; E21D9/08; (IPC1-7): E21B7/04; E21D9/08
Attorney, Agent or Firm:
Isono Dozo