Rapid shutter mechanism

Details Rapid shutter mechanism Rapid shutter mechanism

1975-09-09

1977-05-31

Smith, Alfred E.

Radiant energy

Radiation controlling means

Shields

G21F 504

Patent

active

040271684

ABSTRACT:
An electromagnetic beam propagator includes a shutter device having a mem with an aperture for passage therethrough of a high energy beam. A pair of plates are slidably disposed on the member and oppositely secured to respective pistons with a link secured therebetween to restrain the plates in overlapped relation while a control applies an initial pressure to the pistons to retain the plates in position covering the aperture.
The control increases the piston pressure to apply to the link a stress approaching the yield strength thereof as the energy of the beam arrives at normal value and subsequently further increases the piston pressure for rupture of the link and rapid operation of the pistons to provide substantially step function exit of the beam from the propagator and to avoid disintegration of the plates by accumulated energy of the beam.

REFERENCES:
patent: 3346737 (1967-10-01), Neuhaus
patent: 3487218 (1969-12-01), Krebs et al.

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