Foldable binocular assembly

Details Foldable binocular assembly Foldable binocular assembly

1983-03-07

1984-10-23

Henry, Jon W.

350145, 350250, G02B 2318, G02B 702

Patent

active

044784988

ABSTRACT:
A foldable binocular which comprises two rectangular members, three trapezoidal members and three pairs of trapezoidal flaps for geometrically special formation and is assembled into hexahedral frustum of a pyramid. This geometrically specific construction ensures durability and accurate parallelism of optical axes. The binocular can be easily folded and stored in a case when not used.

REFERENCES:
patent: 4239328 (1980-12-01), Justice et al.
patent: 4443071 (1984-04-01), Ueda

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