NASA NTRS · 19930000162
Mechanism Guides Hatch Through Hatchway
Abstract
Elliptical hatch designed to move through hatchway to make pressure-assisted seal with either side of bulkhead. Compact three-degree-of-freedom mechanism guides hatch through hatchway or holds hatch off to one side to facilitate passage of crew and/or equipment. Hatches and mechanisms used in submarines, pressure chambers (including hyperbaric treatment chambers), vacuum chambers, and vacuum-or-pressure test chambers.
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Barron, Daniel R., Kennedy, Steven E.. 1993-03-01. Mechanism Guides Hatch Through Hatchway. https://ntrs.nasa.gov/citations/19930000162
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