Diving helmet

Details Diving helmet Diving helmet

1990-11-19

1992-01-14

Schroeder, Werner H.

Apparel

Guard or protector

Body cover

12820029, 12820127, B63C 1106

Patent

active

050797751

ABSTRACT:
A diving helmet comprises a head and a body-contacting portion which is provided under the head. The body-contacting portion comprises a chamber in which the inner wall has a plurality of exhaust guide holes and the outer wall has a plurality of exhaust holes. Excess air which is discharged with breathing of a user is discharged from the helmet into the water through the exhaust guide holes and the exhaust holes, thereby providing stable exhaustion without unexpected sound or vibration.

REFERENCES:
patent: 1195793 (1916-08-01), Dunn et al.
patent: 1209224 (1916-12-01), Stelzner
patent: 1935132 (1933-11-01), Scrimgeour
patent: 2693180 (1954-11-01), Galeazzi
patent: 2988749 (1961-06-01), Crouzet
patent: 3172126 (1965-03-01), Spano et al.
patent: 3364616 (1968-01-01), Speers
patent: 3568672 (1971-03-01), Cupp
patent: 4527658 (1985-07-01), Payne
Hartley's Undersea Walk, Copyright 1987, Created by Michael Hannau Enterprises, Inc.

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