Multiple function image switching attachment for a telescope or similar article

Description

FIG. 1 is a perspective view of a multiple function image switching attachment for a telescope or similar article showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof; and,

FIG. 5 is a cross-sectional view thereof, taken along line 5--5 of FIG. 2.

Referenced Cited
U.S. Patent Documents
D253476 November 20, 1979 Schneck et al.
D265482 July 20, 1982 Bressler
D268768 April 26, 1983 Melsheimer et al.
D275496 September 11, 1984 Condon
D295871 May 24, 1988 Charles
D310381 September 4, 1990 Charles
D310676 September 18, 1990 Charles
2753760 July 1956 Braymer
2948189 August 1961 Fischer
3468597 September 1969 Jones
3645602 February 1972 Clave et al.
3871741 March 1975 Clave et al.
3898678 August 1975 Walworth
3900858 August 1975 McCann et al.
4143938 March 13, 1979 Feinbloom
4448500 May 15, 1984 Marling et al.
4600277 July 15, 1986 Murray
Other references
  • Sky and Telescope magazine, Feb. 1983, bottom of p. 106, Questar telescope and diagonal. Clave, Beamsplitter. 1981 Celestron Catalog, center of p. 43, Off-Axis Guider Body. 1968 Leica Catalog No. 41, p. 11, Visoflex III Reflex Housing. 1976 Questar Instruction Book II, p. 10, Quick-Change Filter Holder. 1976 Questar Instruction Book II, p. 12, Off-Axis Tracker. Sky and Telescope magazine, Oct. 1985, back cover, diagonal mirror attachment on Celestrom Telescope. Photonics Spectra magazine, Aug. 1988, center of p. 29, EG&G Reticon, flip mirror attachment.
Patent History
Patent number: D319450
Type: Grant
Filed: Sep 17, 1990
Date of Patent: Aug 27, 1991
Inventor: Jeffrey R. Charles (Sun City, AZ)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris V. Coles
Application Number: 7/583,714
Classifications