Shutter mechanism

Details Shutter mechanism Shutter mechanism

1983-11-09

1986-08-05

Focarino, Margaret A.

Valves and valve actuation

Mechanical movement actuator

Plural motions of valve

251187, 251229, 251300, 49 41, 74 96, F16K 3144

Patent

active

046038353

ABSTRACT:
A shutter mechanism which includes simultaneous translation of a shutter in two planes of motion prolongs the life of the sealing material of the shutter as well as ensures that, when open, an optical beam passes through a sample compartment without interference or disruption. A further advantage of such a mechanism lies in the positive sealing of a port with sufficient pressure applied via the shutter plate to prevent vapor or fluid communication across the port.

REFERENCES:
patent: 521832 (1894-06-01), Stone
patent: 3343562 (1967-09-01), Combes
patent: 3521665 (1970-07-01), Poulsen
patent: 4062515 (1977-12-01), Bobo

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