Pair of binoculars

Details Pair of binoculars Pair of binoculars

2007-07-31

2007-07-31

Allen, Stephone B. (Department: 2872)

Optical: systems and elements

Compound lens system

Telescope

C359S416000, C359S417000, C359S418000, C359S426000

Reexamination Certificate

active

10975997

ABSTRACT:
The invention aims at providing a pair of binoculars making it possible to easily perform a focusing operation and a diopter adjustment, and efficiently perform an assembling operation. The present invention provides a pair of binoculars having a pair of supporters for supporting adjustment lenses provided between a pair of ocular optical systems and a pair of objective optical systems so as to be capable of moving forward and backward along the optical axis, a focusing gear for performing a focusing operation by moving said pair of supporters forward or backward at the same time in the direction of optical axis, a diopter adjuster for performing a diopter adjustment by moving one supporter forward or backward in the direction of optical axis as keeping the other supporter stationary, and a focusing and diopter adjusting unit having a changeover gear for changing over the focusing gear and the diopter adjuster to each other.

REFERENCES:
patent: 6335825 (2002-01-01), Funatsu
patent: 2003/0095330 (2003-05-01), Aikawa
patent: 2000-56237 (2000-02-01), None

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