Failure Proof Gantry Crane and Chain Jack Hoist Assembly
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United States of America Patent
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Issued Date -
Jul 3, 2008
app pub date -
Dec 31, 2006
filing date -
Dec 31, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
This patent discloses embodiments of a crane system that provide for high-capacity failure proof operation. For example, an overheard crane system may include a trolley configured to translate between a first position and a second position. The crane system may further include a lift mechanism carried by the trolley or a support span portion of the trolley and be configured to releasably translate a chain between a support position and a lift position. The lift mechanism, in turn, could include a fixed latch configured to engage a first link of the chain, the fixed latch having an open position and a closed position, and a traveling latch movably aligned relative to the fixed latch and configured to engage a second link of the chain, the traveling latch having an open position and a closed position.
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