Latch devices

Details Latch devices Latch devices

1979-05-31

1981-09-01

Brown, David H.

Ammunition and explosives

Igniting devices and systems

Arming devices

102222, F42C 1534

Patent

active

042865220

ABSTRACT:
A latch device in which movement of a shutter from a first to a second position is controlled by two latches in turn controlled by separate timers, the arrangement being such as to prevent the shutter reaching the second position unless the latches are operated in the correct sequence and the time between operation is above a nominal small value.

REFERENCES:
patent: 2789508 (1957-04-01), Rove et al.
patent: 3285177 (1966-11-01), Lohmann
patent: 3313236 (1967-04-01), Lohmann
patent: 4090450 (1978-05-01), Nygards

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