Optics: measuring and testing – By dispersed light spectroscopy – With monochromator structure
Patent
1983-08-22
1985-12-24
Evans, F. L.
Optics: measuring and testing
By dispersed light spectroscopy
With monochromator structure
G01J 306, G01J 318
Patent
active
045602760
ABSTRACT:
A diffraction grating mounting device for a scanning monochromator comprising: a base member; a diffraction grating; a diffraction grating supporting axle which integrally supports the diffraction grating and is rotatably supported by the base member; a first arm fixed to the diffraction grating supporting axle at right angles thereto; a second arm which is swingably supported on the base member in uniplanar relation with the first arm; a link member which connects the first and the second arms at points equally apart from the rotational centers of the first and second arms, respectively, the distance between the points being equal to that between the rotational centers of the first and second arms; a cam follower axle fixed to the link member at right angles thereto; a cam having a linear driving portion and being provided at one end of a right circular cylinder; a motor for driving the cam; and means for biasing the link member of the first and second arms so as to make the cam follower axle contact the cam.
REFERENCES:
patent: 2948185 (1960-08-01), Ward et al.
patent: 3418051 (1968-12-01), Staunton
Atago Bussan Co. Ltd.
Evans F. L.
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