Fully redundant mechanical release actuator

Details Fully redundant mechanical release actuator Fully redundant mechanical release actuator

1985-05-02

1987-06-02

Schmidt, Frederick R.

Ordnance

Explosive operated apparatus

60634, 60638, F02N 1300

Patent

active

046693548

ABSTRACT:
A system is disclosed for performing a mechanical release function exhibiting low shock and includes two pyrotechnic detents fixed mounted in opposing axial alignment within a cylindrical housing having two mechanical bellows, each bellows having one end hermetically bonded to the housing and the other to the respective actuator pin extending from either end of the housing so that all outgassing and contamination from the operation of the pyrotechnic devices will be contained within the housing and bellows. The pin on one end of the assembly is fixed mounted and supported, via a bolt (FIGS. 1-3) or ball and socket joint (FIG. 4), so that when the charge corresponding to that pin ignites, the entire assembly will exhibit rectilinear movement, including the opposing pin providing the unlatching motion. The release detent pin is supported by a linear bearing and when its corresponding pyrotechnic charge ignites the pin is retracted within the housing producing the same unlatching motion without movement of the entire assembly, thus providing complete mechanical, electrical and pyrotechnic redundancy for the unlatching pin.

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