Perry Oceanographics, Inc.

Frederic L Hettinger

Joel Rizzo

Diving apparatus which includes a bell assembly normally negatively buoyant and including a bell. There is a frame movable vertically beneath the sea surface and having a portion defining a path. Such frame is movable between an upper position and a lower position above the subsea surface at which the frame can be made temporarily stationary. Bell moving apparatus is disposed between the bell assembly and the frame for moving the bell between a lower position adjacent the subsea surface and an upper position adjacent the frame. Apparatus is provided for mounting the bell assembly for movement along such path.

Submersible chamber arrangement

Diving apparatus which includes a bell assembly normally negatively buoyant and including a bell. There are frame means movable vertically beneath the sea surface. Such frame means are movable between an upper position and a lower position above the subsea surface and at which the frame means can be made temporarily stationary. Bell moving means are connected between the bell assembly and the frame means for moving the bell between a lower position adjacent the subsea surface and an upper position adjacent the frame means.

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Jupiter, FL, United States of America

Frederic L Hettinger