Title:
建設機械の排土装置
Document Type and Number:
Japanese Patent JP6908566
Kind Code:
B2
Abstract:
To enhance workability when displacing an additional blade between an extended position and a retracted position.SOLUTION: A left main blade side bracket 26 is provided with a left main blade side shaft insertion hole 27 formed of a square hole, and a left additional blade side bracket 31 is provided with a left additional blade side shaft insertion hole 32 formed of a square hole. A left connecting shaft 36 is provided with upper and lower quadrangular prism shaft portions 36A, 36B non-rotatably fitted into the left main blade side shaft insertion hole 27 and the left additional blade side shaft insertion hole 32, and upper and lower cylindrical shaft portions 36C, 36D rotatably inserted into the left main blade side shaft insertion hole 27 and the left additional blade side shaft insertion hole 32. Similarly, a right main blade side bracket 28 is provided with a right main blade side shaft insertion hole 29, a right additional blade side bracket 34 is provided with a right additional blade side shaft insertion hole 35, and a right connecting shaft 39 is provided with upper and lower quadrangular prism shaft portions 39A, 39B and upper and lower cylindrical shaft portions 39C, 39D.SELECTED DRAWING: Figure 6
Inventors:
Tomoaki Ashida
Kenji Iwasaki
Kenji Iwasaki
Application Number:
JP2018160554A
Publication Date:
July 28, 2021
Filing Date:
August 29, 2018
Export Citation:
Assignee:
Hitachi Construction Machinery Tierra Co., Ltd.
International Classes:
E02F3/815
Domestic Patent References:
| JP2014177855A | ||||
| JP51078612U | ||||
| JP2008280798A | ||||
| JP2004068958A | ||||
| JP2007009598A | ||||
| JP55177517U |
Foreign References:
| EP1452650A1 | ||||
| US5241763 | ||||
| US2601732 | ||||
| US4081092 |
Attorney, Agent or Firm:
Hirowa Patent Office