| 摘要 |
The invention relates to a diving system for several persons in which, without using any type of motors and being self-contained, the cylinder used is attached to a mobile float which is pulled along by the users by means of air-carrying hoses of an adjustable size, which are floating and flexible and fitted with rotary terminals, the components thereof including an automatic underwater alarm actuated by the compressed air from the actual cylinder and having a quick-release pin which releases the belt from the user without interrupting the flow of air. |
