초록 ▼

A signal for indicating the location of one or more people in distress comprising a rectangular tank containing helium, an inflatable balloon enclosed by a casing of aluminum foil and tubular connections between the tank and the balloon and which include valves. A radio transmitter is connected to t

A signal for indicating the location of one or more people in distress comprising a rectangular tank containing helium, an inflatable balloon enclosed by a casing of aluminum foil and tubular connections between the tank and the balloon and which include valves. A radio transmitter is connected to the balloon by a short cable and a nylon cord which functions as a tether is connected to the transmitter. The other end of this tether is taken up on a reel. A trigger on the transmitter is tripped when the tether is payed out a predetermined distance to activate the transmitter. The balloon, the transmitter, and the reel are all mounted on the top of the tank together with a first aid survival kit and a cover which is hinged at one end to the tank encloses these elements. A clip is provided for securing the entire unit to the person of a user.

대표청구항 ▼

In apparatus for identifying the location of a person in distress: a. a gas-tight tank comprising rectangular top and bottom walls, side walls and end walls, and a lighter than air nonflammable gas in the tank, b. a neck protruding from one of said end walls having a conduit section communicating th

In apparatus for identifying the location of a person in distress: a. a gas-tight tank comprising rectangular top and bottom walls, side walls and end walls, and a lighter than air nonflammable gas in the tank, b. a neck protruding from one of said end walls having a conduit section communicating therewith, c. valve in said neck held in closed position by a locking device and spring forced to open position when said locking device is rendered ineffective, d. a balloon package comprising a collapsed balloon enclosed in a casing of metallic foil, said package being positioned on the top wall of said tank adjacent to the end wall having the neck protruding therefrom, e. said balloon having a neck with a one way check valve therein and a conduit section extending therefrom and communicating with the conduit section on the tank neck by way of a breakable connection, f. a radio transmitter resting on and releasably clamped to the top wall of said tank adjacent to said balloon package and includes a trigger, which activates the transmitter when it pulls free of said top wall, g. a cable having one end secured to the neck of said balloon and its other end to said transmitter, h. a reel secured to the top wall of said tank adjacent to said transmitter, i. a tether taken up on said reel and having one end anchored thereto and its other end secured to said transmitter, and j. a cover hinged to the upper edge of a tank wall and in closed position covering the elements on the top wall of said tank.