Device for resisting lifting of a gangway and gangway fitted with such device
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United States of America Patent
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Jan 17, 2017
Grant Date -
N/A
app pub date -
May 2, 2016
filing date -
Jun 12, 2015
priority date (Note) -
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Abstract
A sprung gangway that is counterbalanced to remain in a given degree of extension or retraction includes a lifting resistance device that includes a linear index rail that slides selectively into and out of a hollow sheath unless engaged by a locking paw that is pivotally mounted to the sheath via a pivot bar, which when pivoted by tugging on a release cord effects disengagement of the locking paw and thereby permits raising of the gangway from the lowered working orientation to a storage orientation.
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