Patent ID: 8358223
Filing Date: 2013-01-22
Classification: B63C

Abstract:
1. A system for a man overboard self-activated electrical switch device, comprising: a towed line pull cable installed on a vessel; an electrical switch device, the device comprising: said structural channel section having a front wall and a back wall, each of said walls have a hole, inside surface of each front and back walls are being tapered, the back wall further includes a retention channel connected at exterior of said back wall; said release mechanism structure includes a spring-loaded eyebolt release pin which connected to the pull cable at one end and protruding through the holes of the structure channel section at other end, a portion of the spring-loaded eyebolt release pin is positioned within the structural channel section with a compress spring secured on the spring-loaded eyebolt release pin, the compress spring secured by a first flat washer and a lock nut at one end of the release pin, and against the front wall held by a second flat washer at other end of the release pin; said electrical switch includes a contact spring arranged within the structural channel section and mounted to be held against the spring-loaded eyebolt release pin at the back wall; the electrical switch is held in open contact position when said release pin is protruded completely through said front wall, said back wall and the retention channel, and the electrical switch is closed contact position when release pin is freely withdraw from the retention channel and the back wall, the contact spring no longer depressed by the release pin; a combination of said release mechanism and said electrical switch configured to activate the electrical switch device; said electrical switch is activated in response to a man overboard event, when said towed line pull cable is pulled, the release mechanism structure withdraws the spring-loaded eyebolt release pin from the back wall, causes the electrical switch device to be in a closed position; and in response to the activation of the electrical switch device activates an audible alarm and at least one of shut-down an engine and move a rudder fully to one side.