Patent
1989-06-30
1991-07-02
Arnold, Bruce Y.
350552, G02B 2300
Patent
active
050281232
ABSTRACT:
The present invention relates to a focal-length adjusting assembly for a pair of binoculars which adjusts the eyepieces relative to the optics and which can hold the adjusting screw or rod in a click-stopped position which automatically positions the eyepieces in a position for viewing an object at an infinite distance.
REFERENCES:
patent: 4428651 (1984-01-01), Calcutt
patent: 4818086 (1989-04-01), Moore
Shimofuruta Akihiro
Watanabe Naomi
Arnold Bruce Y.
Greigg Edwin E.
Greigg Ronald E.
Kamakura Koki Co., Ltd.
Phan James
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