Explosively-separable fastener with umbilical cord cutter

Details Explosively-separable fastener with umbilical cord cutter Explosively-separable fastener with umbilical cord cutter

1993-07-19

1994-11-08

Brown, David H.

Ordnance

Explosive operated apparatus

102378, B64D 100

Patent

active

053616766

ABSTRACT:
An explosively-separable fastener that consists of two units held together in spring-loaded fashion by a hollow retaining bolt and adapted for mounting between two joined stages of a rocket. The rocket stages are connected by means of electrical contacts between the units and an umbilical line passed through the retaining bolt. An explosively-actuated cutter operable to sever the retaining bolt and the umbilical line threaded therethrough is mounted on a chamber disposed transversely to the retaining bolt. Upon actuation of the cutter, the hollow bolt and the umbilical line are severed releasing the spring-loaded assembly, thus also interrupting all electrical contacts between the two rocket stages.

REFERENCES:
patent: 3080815 (1963-03-01), Simshauser
patent: 3108540 (1963-10-01), Fletcher
patent: 3119298 (1964-01-01), Brown
patent: 3185090 (1965-05-01), Weber
patent: 3393605 (1968-07-01), Parnell
patent: 3420470 (1969-01-01), Meyer
patent: 3975981 (1976-08-01), Seifert
patent: 3991649 (1976-11-01), Patrichi
patent: 4062112 (1977-12-01), Lake
patent: 4205697 (1980-06-01), Gebelius
patent: 5177317 (1993-01-01), Walker et al.

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