Title:
EARTH REMOVING DEVICE FOR CONSTRUCTION MACHINE
Document Type and Number:
Japanese Patent JP2014177855
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To enhance workability when an additional blade is moved between an extended position and a retracted position.SOLUTION: A left-main-blade-side bracket 26 is provided on a back surface 25B of a main blade 25, and a left-additional-blade-side bracket 29 is provided on a back surface 28B of a left additional blade 28. A shaft insertion hole 26D and a pin insertion hole 26E are provided in the left-main-blade-side bracket 26, and a long hole 29C is provided in the left-additional-blade-side bracket 29. A left connecting shaft 32 is integrally provided with a left positioning pin 33 to fix the left additional blade 28 to the main blade 25 by bringing the left positioning pin 33 into contact with the inner circumferential surface of the long hole 29C when the left connecting shaft 32 is inserted into the long hole 29C and the shaft insertion hole 26D. In the same manner, a right additional blade 30 is fixed to a right-main-blade-side bracket 26 provided on the back surface 25B of the main blade 25 by using a right connecting shaft 34 and a right positioning pin 35.
Inventors:
SAITO AKIRA
MATSUI TAKUYA
MATSUI TAKUYA
Application Number:
JP2013171456A
Publication Date:
September 25, 2014
Filing Date:
August 21, 2013
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACHINERY
International Classes:
E02F3/815
Attorney, Agent or Firm:
Kazuhiko Hirose
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