Automatic safety flag for boats and water recreational vehicles

Details Automatic safety flag for boats and water recreational vehicles Automatic safety flag for boats and water recreational vehicles

1997-12-02

2000-05-02

Swarthout, Brent A.

Communications: electrical

Watercraft alarm or indicating systems

114343, 116173, G08B 2300

Patent

active

060577878

ABSTRACT:
This Automatic Safety Flag for Boats and Water Recreational Vehicles relates to a system that automatically raises and lowers a flag mast, which may be telescoping, and with a safety flag located at or near the terminal end of said mast, located on said boat or water vehicle. The flag mast automatically raises the flag when the velocity of the boat or vehicle is traveling below approximately 5 miles per hour or is traveling at a wakeless velocity, and the mast automatically lowers when the boat or water vehicle velocity is above approximately 5 miles per hour. There are two sets of embodiments disclosed. The electromechanical embodiment utilizes an electric motor to automatically raise and to lower the flag mast at said desired water vehicle velocities, and said motor is controlled electrically by a speed transducer, speedometer, or the like. The fluidic embodiment utilizes fluidic or water pressure in the system to keep the flag mast in the lowered position when the water vehicle velocity is approximately 5 miles per hour or greater, and when said velocity drops below approximately 5 miles per hour or when the vehicle is travelling at a wakeless velocity, a loaded band spring will cause the flag mast to raise.

REFERENCES:
patent: 3602188 (1971-08-01), Penaflor
patent: 3664189 (1972-05-01), Weinstein
patent: 4856452 (1989-08-01), Pingel et al.
patent: 4914946 (1990-04-01), Nakamura et al.
patent: 4962720 (1990-10-01), Leffel
patent: 5304993 (1994-04-01), Handsaker

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