1917 – Diving Armor by James F. Long.
Diving Armor
Publication number US1305656 A
Publication type Grant
Publication date Jun 3, 1919
Filing date Jan 12, 1917
Inventors James F. Long
This invention relates to diving armor, and has for one of its objects to provide a device of this character especially adapted to protect the occupant from abnormal pressure when submerged in deep water, and to enable submarine operations and observations to be conducted at unusual depths.
Another object of the invention is to provide a device of this character having appliances whereby the operator may move about, and with shields or guards for the arms and hands to enable the latter to be moved so that the operator can perform tasks of various kinds while submerged.
Another object of the invention is to provide a device of this character wherein air supplied to the occupant of the device from the outside, or under ordinary atmospheric pressure.
Another object of the invention is to provide a device of this character having a tank for oxygen or the like under pressure and with means whereby the occupant of the device can release a sufficient quantity of the oxygen in event of the cutting off of the supply of air from above.
See other early Underwater Robots here.