Adjustable object lens device

Details Adjustable object lens device Adjustable object lens device

2007-08-21

2007-08-21

Harrington, Alicia M (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C359S819000, C359S694000

Reexamination Certificate

active

11271832

ABSTRACT:
An adjustable object lens device includes an outer barrel, a rotary component coupled movably to the outer barrel, an object lens unit disposed movably in the outer barrel, a decorative unit coupled to the rotary component, and a limiting unit. The limiting unit includes a press ring that is movably retained in the decorative ring, and that abuts against one end of the object lens unit, and a biasing member disposed in the outer barrel and abutting against the other end of the object lens unit, thereby securing the object lens unit between the biasing member and the press ring.

REFERENCES:
patent: 3161716 (1964-12-01), Burris et al.

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