Waterproof bodytube for binoculars and the like

Details Waterproof bodytube for binoculars and the like Waterproof bodytube for binoculars and the like

1982-08-10

1985-03-05

Corbin, John K.

350589, G02B 2322

Patent

active

045027633

ABSTRACT:
A waterproof bodytube having a division in its intermediate portion to be used to insert a Porro prism into the binoculars. The construction of this invention is such that a male bodytube having a projection portion is fitted to a female bodytube by means of a packing, and a screw is tightened from its outer surface by means of a packing. For this arrangement, the head of the screw is positioned at the side surface of the bodytube, and this portion is normally covered with a film so that the exposure of the screw can be prevented.

REFERENCES:
patent: 2454859 (1948-11-01), Case
patent: 3246563 (1966-04-01), Quammen et al.
patent: 3412661 (1968-11-01), Soumar
patent: 4415235 (1983-11-01), Coates

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