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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0005769 (1979-01-23) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 6 인용 특허 : 2 |
A releasable boom lock located between a swing tower that pivotally supports a boom consists of a latch pivoted on the swing tower and a pin located on the boom. The pin and latch are designed to automatically interlock the boom and swing tower when the boom is moved to a transport position and are
In an earthworking implement having one end of a boom pivoted on a swing tower between transport and working positions and a dipper assembly including a member having an intermediate portion pivoted on said boom at a location spaced from the swing tower and boom pivot, said dipper assembly being piv
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