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Patent Searching and Data


Title:
AUGER HEAD FOR SOIL CEMENT MIXING
Document Type and Number:
Japanese Patent JP2013133626
Kind Code:
A
Abstract:

To solve the problem of early depletion of a rotary slidable contact part at an attaching part of a corotation restraining blade.

In an auger head 20 for soil cement mixing provided with drilling blades 24, 24 for drilling soil, corotation restraining blades 25, 25 assembled to a head spindle 21 through an annular bracket 26 and agitation blades 29... and formed by making the corotation restraining blades 25, 25 among them freely rotatable through the annular bracket 26, the annular bracket 26 is formed so as to be divided and detached and assembled from/to the head spindle 21, an anti-friction sleeve 27 divided along an axial direction of the head spindle 21 is interposed at the rotary slidable contact part of the head spindle 21 and the annular bracket 26, and direct contact of the head spindle 21 and the annular bracket 26 is blocked. The anti-friction sleeve 27 can be easily replaced by detaching the annular bracket 26.


Inventors:
KOBAYASHI AKIRA
ICHIMURA MASAHARU
Application Number:
JP2011000283856
Publication Date:
July 08, 2013
Filing Date:
December 26, 2011
Export Citation:
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Assignee:
KOBAYASHI AKIRA
ICHIMURA MASAHARU
International Classes:
E21B10/00; E02D5/46
Attorney, Agent or Firm:
木森 有平
浅香 小百合