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
      Marine Engineering

Distribution Statement : APPROVED FOR PUBLIC RELEASE