Equatorial mounting system and drive therefor

Details Equatorial mounting system and drive therefor Equatorial mounting system and drive therefor

1988-10-18

1990-02-27

Arnold, Bruce Y.

G02B 2316

Patent

active

049040715

ABSTRACT:
An equatorial mount for optical instruments that affords quick setup. A safety trunnion which receives any of a plurality of pairs of declination studs on the telescope or camera is provided with a safety access channel that has a first vertical segment and a second angulated segment forming a crook therebetween. In the event the trunnion assumes an inverted position, the declination studs will slide into the crook between the two segments and be retained in the equatorial mount by the angulated segment. The plurality of pairs of studs permit the instrument to be rotated about its longitudinal axis and reinserted should the eyepiece or viewing lens be positioned at an inconvenient angle. A guided sector drive provides an inexpensive device for driving the equatorial mount in right ascension to track a celestial body.

REFERENCES:
patent: 2003171 (1935-05-01), Burrell
patent: 4277132 (1981-07-01), Hansen
patent: 4317612 (1982-03-01), Horvath
patent: 4400066 (1983-08-01), Byers
patent: 4541294 (1985-09-01), Byers
patent: 4709178 (1987-11-01), Burr
Gray et al., "The 45 cm Telescope at Wollongone University College", Journal of the British Astronomical Association, vol. 81, No. 3 (1971), pp. 211-214.

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