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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0033739 (1979-04-26) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 15 인용 특허 : 0 |
A straddle type mobile crane includes a steering system which allows two-wheel or four-wheel steering. A first steering cylinder is associated with each wheel for four-wheel operation and an additional cylinder is associated with each of a first pair of wheels for two-wheel steering. An interlock sy
A mobile crane having spaced apart first and second front wheel means and spaced apart first and second rear wheel means which are also spaced from said front wheel means, first and second steering means, first and second coupling means for coupling said first and second steering means to said first
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