Title: Swimmer protective helmet

Abstract: A swimmer protective helmet designed to protect the cranium of a swimmer m impacts with hard or sharp surfaces, thereby preventing lacerations and concussions of the skull or other physical disablement arising from being struck on the head while engaged in activities on the surface, underwater, or while taking entry into or leaving a body of water. The protective helmet is particularly designed to prevent injuries while engaging in search and rescue operations during over water flights, in helicopters wherein an air crewman may be required to descend from a helicopter either by free jump or by rescue hoist to the water's surface to aid in recovery of an injured or disabled survivor and subsequently re-enter the hovering helicopter.

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Inventors: Robertson, Douglas G. (Oxnard, CA, US)

Application Number: 615264
Filing Date: 1975-09-22
Publication_date: 1979-01-16
Assignee: The United States of America as represented by the Secretary of the Navy (Washington, DC)
Primary Class(es): 2/412 2/7, 2/900
Other Classes:
US Patent Ref:

296438	Apr, 1884	Newto, Jr.	2/7.
2709667	May, 1955	Grubb	2/5.
2869133	Jan, 1959	Garbellano	2/68.
2893014	Jul, 1959	Mabry	2/7.
2926356	Mar, 1960	Taylor	2/3.
3274612	Sep, 1966	Merriam	2/68.
3296582	Jan, 1967	Ide	2/68.
3479666	Nov, 1969	Webb	2/3.
3686689	Aug, 1972	Berlinski	2/68.
3885246	May, 1975	Tung	2/3.

Other Refs:
Primary Examiner: Nerbun, Peter
Assistant Examiner:
Attorney: Sciascia; Richard S., St.Amand; Joseph M., Cochran; William W.