1990-06-20
1991-07-30
Arnold, Bruce Y.
350607, G02B 718
Patent
active
050354973
ABSTRACT:
In a mirror supporting apparatus, a lever pivots the center of gravity of the mirror, whereby performing exactly the same motion with respect to a mirror provided with a universal joint at the center of gravity of the mirror. Therefore, the same effect as that of conventional mechanism is obtained without provision of a hole in the mirror. Furthermore, a counter weight is secured to the mirror so as to position a substantial center of gravity of the mirror outside of the mirror, whereby obtaining a similar effect.
REFERENCES:
patent: 4500170 (1985-02-01), Montesanto
patent: 4664488 (1987-05-01), Sawicki et al.
Knohl, "A New Discrete Lateral Support for Thin Monolithic Mirrors of the 8m Class", ESO Conference on Very Large Telescopes and Their Instrumentation, Garching, Mar. 21-24, 1988, pp. 505-514.
Arnold Bruce Y.
Mitsubishi Denki & Kabushiki Kaisha
Ryan J. P.
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