Accession Number : ADD000265
Title : Safety Cut-off for Propellers.
Descriptive Note : Patent,
Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C
Personal Author(s) : Bernaerts,Henry J
Report Date : 23 Apr 1974
Pagination or Media Count : 5
Abstract : The patent relates to a device to impact on an obstruction and stop a propeller before its moving blades can impact thereon. The device has extensions beyond the path of the propeller blades which extensions are attached to micro switches to cut-off power to the propellers.
Descriptors : *Propellers(Marine), *Electric switches, *Patents, Marine safety equipment, Microcircuits, Probes, Propeller blades, Protective equipment
Subject Categories : Electrical and Electronic Equipment
Distribution Statement : APPROVED FOR PUBLIC RELEASE