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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0108658 (1979-12-31) |
우선권정보 | DE-2901923 (1979-01-18) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 5 인용 특허 : 0 |
In an excavator, crane or the like comprising a base structure, a swivel arm connected to said base structure and a boom attachment releasably locked to said swivel arm, releasable locking means for said boom attachment comprising at least two locking pins passing therethrough and through said swive
A hydraulic device for locking the boom to the swivel arm of an excavator, crane or the like by means of locking pins, characterized in that two non-coaxial locking pins (6 and 7) can be guided transversely through the swivel arm (1) and boom by two levers (8 or 9) which are pivoted to the pins and
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