Ram winch
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United States of America Patent
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Jun 8, 1999
Grant Date -
N/A
app pub date -
Sep 12, 1997
filing date -
Sep 18, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A device for heaving in chain (2,3) vertically by means of a locking device for the chain comprises one or more pawls (14,14') which engage the chain (2,3) in a combined hydraulic lifting (8) and gripping device (12) with an equivalent pawl system and an approximately 180.degree. guide device (1) for the chain. The guide device (1) and the lifting (8) and gripping device (12) are integrated in one unit in that the semicircular guide device (1) is hinged in the area which is furthest away from the incoming part of the chain, and that the gripping device consists of one or more pawls (12) which can hold the chain while it lies in its track (4,5) in the guide device (1). A hydraulic lifting cylinder (8) is hinged to the guide device (1) close to the incoming part of the chain.
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