US PATENT SUBCLASS 114 / 296
.~ Suction type
Current as of: June, 1999
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DEFINITION
Classification: 114/296
(under subclass 294) Device wherein the engaging means is so configured that a zone of reduced pressure is formed between the sea bed and the engaging means either (a) when an attempt is made to extract the engaging means from the sea bed, or (b) by additional means provided for the purpose of evacuating fluid from the zone, whereby an imbalance of forces is created tending to hold the engaging means in contact with the sea bed.
SEE OR SEARCH CLASS
269, Work Holders,
21+, for vacuum-type holding means.
294, Handling: Hand and Hoist-Line Implements,
64.1+, for vacuum cup elements, per se, as well as other vacuum-operated load engagers.
