Spectrophotometer sample holder with improved sample viewing app

Details Spectrophotometer sample holder with improved sample viewing app Spectrophotometer sample holder with improved sample viewing app

1976-12-23

1978-07-18

McGraw, Vincent P.

Optics: measuring and testing

Sample, specimen, or standard holder or support

350287, 356 96, 356173, 356210, G01N 2116, G01J 342

Patent

active

041012224

ABSTRACT:
An improved sample holder for a spectrophotometer includes a stationary base that forms a cylindrical cavity and supports a fiber optic head assembly over the cavity for analyzing the color of a sample that is positioned adjacent the base and under the cavity. The fiber optic head assembly covers the top of the cavity and the area of the sample that is to be color analyzed is not visible to an operator of the spectrophotometer. A shutter mechanism is arranged to be moved in an opening in the base between a closed position in which the shutter forms part of the cylindrical wall of the aperture and an open position in which the opening in the base permits an operator to view the sample. A prism is provided to raise the viewing position of the operator to the normal position of the operator.

REFERENCES:
patent: 3887791 (1975-06-01), Kitchens
patent: 3986778 (1976-10-01), Mathisen et al.

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