Binoculars with double hinge bridge and resilient biasing

Details Binoculars with double hinge bridge and resilient biasing Binoculars with double hinge bridge and resilient biasing

1975-04-28

1978-05-02

Henry, Jon W.

350 36, G02B 706, G02B 2300

Patent

active

040871533

ABSTRACT:
The focussing elements in the telescopes of a pair of binoculars are shifted in unison by a transverse which rides threadedly on a central adjusting spindle and is biased against that spindle as well as against transfer rods which are coupled to the focussing elements.

REFERENCES:
patent: 539006 (1895-05-01), Murphy et al.
patent: 1428478 (1922-09-01), Dunne
patent: 2534776 (1950-12-01), Kershaw et al.
patent: 2901942 (1959-09-01), Tackaberry
patent: 3484149 (1969-12-01), Becker et al.
patent: 3604779 (1971-09-01), Reinhold

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