Multiple function image switching attachment for a telescope or similar article

Description

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

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a cross-sectional view thereof, taken alone line 4--4 of FIG. 1;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a perspective view thereof, showing the top component raised.

Referenced Cited
U.S. Patent Documents
D194129 November 1962 Baab et al.
D253476 November 20, 1979 Schneck et al.
D265482 July 20, 1982 Bressler
D268768 April 26, 1983 Melsheimer et al.
D271698 December 6, 1983 Shishido
D275496 September 11, 1984 Condon
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.
4749271 June 7, 1988 Nagler
Other references
  • Sky and Telescope Magazine, Feb. 1983, bottom of p. 106, Questar Telescope and Diagonal. Clave Beamsplitter.
Patent History
Patent number: D310676
Type: Grant
Filed: Feb 10, 1988
Date of Patent: Sep 18, 1990
Inventor: Jeffrey R. Charles (Camp Verde, AZ)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris V. Coles
Application Number: 7/155,003
Classifications