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Title:
BUCKET, AND WORK VEHICLE PROVIDED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2015/167026
Kind Code:
A1
Abstract:
 A bucket (32), a lower front edge (43F) of which is provided in a blade shape, is equipped with: a first linear part (43) that extends horizontally from the lower front edge (43F) towards the back of the bucket; a curved part (45) that is continuous with a back edge (43B) of the first linear part (43) at a lower edge (45L), and is formed at a prescribed bucket radius (R); a second linear part (46) that is continuous with an upper edge (45U) of the curved part (45), and is inclined upwards towards the bucket opening; a third linear part (48) that is bent towards the bucket opening by a bend part (47) at a front edge (46F) of the second linear part (46), and extends further towards the bucket opening; a reinforcing member (54) that is provided to the upper part of the third linear part (48), and reinforces said upper part; and a coupling member (57) that is provided to the back of the curved part (45).

Inventors:
BANDOU NORIHITO (JP)
SAOYAMA TAKESHI (JP)
WADA MINORU (JP)
OHTA TOSHIYUKI (JP)
HONDA TOSHIMITSU (JP)
TSUTSUMI KATSUHIRO (JP)
KOBAYASHI TAKAYA (JP)
WAKAMOTO TAKAYASU (JP)
Application Number:
PCT/JP2015/070325
Publication Date:
November 05, 2015
Filing Date:
July 15, 2015
Export Citation:
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Assignee:
KOMATSU MFG CO LTD (JP)
International Classes:
E02F3/40
Domestic Patent References:
WO2011049061A12011-04-28
Foreign References:
JP2007186929A2007-07-26
US20110289803A12011-12-01
JPH04117046U1992-10-20
JP2013526664A2013-06-24
Other References:
KUNIAKI NAKADA ET AL.: "Research and Development of Low-noise Bucket for Construction Machinery", KOMATSU TECHNICAL REPORT, vol. 51, no. 156, 28 February 2006 (2006-02-28), pages 5, XP055234527
Attorney, Agent or Firm:
KINOSHITA & ASSOCIATES (JP)
Bottom intellectual property office of patent business corporation Tatsuyuki (JP)
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