Measuring and testing – Sampler – sample handling – etc. – Sample holder
Patent
1991-06-05
1992-12-01
Noland, Tom
Measuring and testing
Sampler, sample handling, etc.
Sample holder
119 17, 138119, 138122, 356244, G01N 128
Patent
active
051671603
ABSTRACT:
Positioning apparatus for presenting a sample for electromagnetic analysis comprises a flexible, resilient, generally cylindrical, open-ended inner sleeve member having a lengthwise through slit, such that the effective diameter thereof is adjustable over a predetermined range in response to radially inward compression thereof. An elongate constricting assembly surroundingly engages and selectively applies radially inward compression to the inner sleeve member. The constricting assembly comprises a pair of generally rigid, cylindrical axially spaced gripping members and a plurality of resilient, helical members coupled intermediate the gripping members. The helical members are responsive to relative rotation of the gripping members in a first direction for applying radially inward compression to the inner sleeve member, and responsive to relative rotation of the gripping members in an opposite direction for releasing radially inward compression on the inner sleeve member.
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Agmed, Inc.
Noland Tom
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