Cargo handling apparatus with a cargo boom which can be swung in a swivel bearing between two kingposts
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United States of America Patent
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Jan 21, 1986
Issued Date -
N/A
app pub date -
Feb 12, 1985
filing date -
Jan 24, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In cargo handling apparatus with a cargo boom which can be swung between two kingposts, in which the cargo boom is provided at its upper end with an extension 1 which projects beyond the fittings of the main hoist, with a block fitting 2 for an auxiliary hoist being attached to the extension and with the auxiliary hoist being so rotatably arranged around the cargo boom axis that the lower edge of the auxiliary hoist cargo hook is free of the fittings of the main hoist with an approximately vertical position of the cargo boom, a block fitting 12 connected, fixedly or for only limited rotational movement, by means of a second extension 11 of the cargo boom with the block fitting of the first auxiliary hoist and is so arranged that, with the lower cargo block 15 in the raised position and with an approximately vertical position of the cargo boom, the lower side of the cargo hook of the second auxiliary hoist is also free of the block fitting of the first auxiliary hoist.
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