Title:
CONSTRUCTION MACHINE
Document Type and Number:
WIPO Patent Application WO/2011/155495
Kind Code:
A1
Abstract:
Disclosed is a construction machine capable of securing a turning radius less than the vehicle width, capable of securing a good field of view of an operator seated in the driver's seat, and making possible a decreased the number of components. A mini-shovel is provided with an operating cabin (6) with a door (5) capable of opening and closing an opening surface (16) forming a boarding port (20). The door (5) comprises a single-layer door, and has a flexing portion (5b) which, when the door (5) is in a closed state, is closer to a front pillar (15) than the central portion (21) of said door (5). Said flexing portion (5b) is formed to have: a first area (5b1) formed such that, when the door (5) is in a closed state, said first area (5b1) approaches the opening surface (16) as said first area (5b1) approaches the front pillar (15); and a second area (5b2) which is arranged continuously with said first area (5b1) and nearer the front pillar (15) than the first area (5b1) and which is formed such that said second area (5b2) draws away from the opening surface (16) as said second area (5b2) approaches the forward pillar (15).
Inventors:
TANAKA Tomoyuki (Hitachi Construction Machinery Co. Ltd., Tsuchiura Works, 650, Kandatsumachi, Tsuchiura-sh, Ibaraki 13, 〒3000013, JP)
田中 友幸 (〒13 茨城県土浦市神立町６５０番地 日立建機株式会社 土浦工場 知的財産部内 Ibaraki, 〒3000013, JP)
ISHII Hajime (Hitachi Construction Machinery Co. Ltd., Tsuchiura Works, 650, Kandatsumachi, Tsuchiura-sh, Ibaraki 13, 〒3000013, JP)
田中 友幸 (〒13 茨城県土浦市神立町６５０番地 日立建機株式会社 土浦工場 知的財産部内 Ibaraki, 〒3000013, JP)
ISHII Hajime (Hitachi Construction Machinery Co. Ltd., Tsuchiura Works, 650, Kandatsumachi, Tsuchiura-sh, Ibaraki 13, 〒3000013, JP)
Application Number:
JP2011/063066
Publication Date:
December 15, 2011
Filing Date:
June 07, 2011
Export Citation:
Assignee:
Hitachi Construction Machinery Co., Ltd. (5-1 Koraku 2-chome, Bunkyo-ku Tokyo, 63, 〒1128563, JP)
日立建機株式会社 (〒63 東京都文京区後楽二丁目５番１号 Tokyo, 〒1128563, JP)
TANAKA Tomoyuki (Hitachi Construction Machinery Co. Ltd., Tsuchiura Works, 650, Kandatsumachi, Tsuchiura-sh, Ibaraki 13, 〒3000013, JP)
田中 友幸 (〒13 茨城県土浦市神立町６５０番地 日立建機株式会社 土浦工場 知的財産部内 Ibaraki, 〒3000013, JP)
日立建機株式会社 (〒63 東京都文京区後楽二丁目５番１号 Tokyo, 〒1128563, JP)
TANAKA Tomoyuki (Hitachi Construction Machinery Co. Ltd., Tsuchiura Works, 650, Kandatsumachi, Tsuchiura-sh, Ibaraki 13, 〒3000013, JP)
田中 友幸 (〒13 茨城県土浦市神立町６５０番地 日立建機株式会社 土浦工場 知的財産部内 Ibaraki, 〒3000013, JP)
International Classes:
E02F9/16; B60J5/00; B62D25/08; B62D33/06
Attorney, Agent or Firm:
The Patent Body Corporate TAKEWA INTERNATIONAL PATENT OFFICE (Kashiwaya Bldg, 6-13 Nishishinbashi 1-chome, Minato-k, Tokyo 03, 〒1050003, JP)
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