1979-03-30
1980-11-25
Henry, Jon W.
350 67, G02B 706, G02B 2318
Patent
active
042355109
ABSTRACT:
In binoculars, a plastic cover contains therein substantially all of the portions of the binoculars except the openings of holding cylinders and the operating knob. The cover comprises left and right cover members rotatable about a central shaft integrally with the left and right holding cylinders, respectively.
REFERENCES:
patent: 1967738 (1934-07-01), Boydston
patent: 2372479 (1945-03-01), French
patent: 2393339 (1946-01-01), Russell
patent: 3020802 (1962-02-01), Rantsch et al.
patent: 3033079 (1962-05-01), Haupt et al.
patent: 3829194 (1974-08-01), Van Exel et al.
Henry Jon W.
Nippon Kogaku K.K.
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