Lens focusing adjustment mechanism

Details Lens focusing adjustment mechanism Lens focusing adjustment mechanism

1992-12-08

1993-11-23

Ben, Loha

Optical: systems and elements

Lens

With support

359826, 359384, 359425, G02B 702

Patent

active

052649679

ABSTRACT:
A focusing mechanism for telescopes, microscopes and the like uses a tensioned strap circumscribing a pair of wheels in a generally S-shape whereby rotation of the wheels moves the eye piece of the scope to proper focus location.

REFERENCES:
patent: 1120014 (1914-12-01), Bishop
patent: 1521067 (1924-12-01), Bean
patent: 1576340 (1926-03-01), LeProvost
patent: 2051050 (1936-08-01), Langsner
patent: 2843013 (1957-07-01), Keuffel et al.
patent: 3051045 (1962-08-01), Misuraca
patent: 3768885 (1973-10-01), Boughton et al.
patent: 4204732 (1980-05-01), Maeda et al.
patent: 4591245 (1986-05-01), Schreiter
patent: 4684225 (1987-08-01), Klark et al.
Sky & Telescope, May 1986, pp. 511-513.
Sky & Telescope, Jan. 1987, pp. 95-96.
Machine Design, Dec. 21, 1967 "ROLAMITE" four pages.

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