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특허 상세정보

Construction machine

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62D-055/00    E02F-009/02    E02F-009/16    E02F-009/20    B62D-055/06    B62D-055/084   
출원번호 US-0213011 (2016-07-18)
등록번호 US-9534354 (2017-01-03)
우선권정보 JP-2014-011775 (2014-01-24); JP-2014-011777 (2014-01-24)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Crowell & Moring LLP
인용정보 피인용 횟수 : 0  인용 특허 : 36
초록

Disclosed is a construction machine that enables an operator to operate a vehicle width changing control lever while visually confirming positions of crawlers. The construction machine includes a lower track structure 1 whose left and right crawler track devices 11A and 11B are adapted to change in spatial interval, and an upper swing structure 2 swingably mounted above the lower track structure. The construction machine further includes a hydraulically actuated cylinder for changing vehicle width, disposed between the left and right crawler track device...

대표
청구항

1. A construction machine comprising: a lower track structure whose left and right crawler track devices are adapted to change in spatial interval;an upper swing structure swingably mounted above the lower track structure, the upper swing structure including; a swing frame that forms a support structure,a counterweight disposed at a rear section of the swing frame,a seat base supported by the swing frame, disposed at a front side of the counterweight, and forming a swing body support structure in combination with the swing frame,an operator's seat placed...

이 특허에 인용된 특허 (36)

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