Automatic breathing mask release mechanism

Details Automatic breathing mask release mechanism Automatic breathing mask release mechanism

1986-10-20

1989-02-14

Reynolds, Wm. Carter

Surgery

Respiratory method or device

Including body or head supported means covering user's scalp

2 6, 2422, 24602, 12820227, A62B 1704, B63C 1102, A42B 300

Patent

active

048039802

ABSTRACT:
Apparatus for separating a breathing mask from a helmet automatically upon the occurrence of a predetermined event, the mask having a bayonet connection to a bayonet receiver carried by the helmet. A piston and an explosive cartridge are arranged in an actuator body associated with the bayonet receiver. Upon the occurrence of the predetermined event, as sensed by an activating circuit associated with the receiver, the explosive cartridge generates a shock wave driving the piston against the bayonet in generally right angular relation to the bayonet, thereby forcibly separating the bayonet from the receiver.

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patent: 4488546 (1984-12-01), Bernhardt et al.
patent: 4513248 (1985-04-01), Miller
patent: 4637101 (1987-01-01), Fiedler
patent: 4689834 (1987-09-01), McCarthy et al.

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