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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0205219 (1994-03-03) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 15 인용 특허 : 0 |
The present invention features a method and an apparatus for preventing lift chains from becoming slack in a lift truck with a “man-up”feature installed. Lift trucks are generally those vehicles that feature hydraulically controlled lift masts with a chain supported fork carriage. Operators of these
A hydraulic circuit for controlling chain slackness in a lift mast, comprising: a fluid reservoir; a lift mast and a chain, said lift mast being capable of being raised or lowered hydraulically; a lift cylinder operatively connected to said lift mast for raising and lowering said lift mast; at least
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