Patent
1979-02-07
1981-07-28
Corbin, John K.
350 40, 350 41, 350 46, G02B 706
Patent
active
042807506
ABSTRACT:
This invention relates to a binocular's focus or zoom adjusting knob having a pair of generally flattened platforms and a pair of upwardly projected members adjacent the flattened platforms so as to be easily contacted by a user's fingertips. The above adjusting knob motion is driven in a seesaw motion. Thus, a smooth focus or zoom adjustment is obtained.
REFERENCES:
patent: 4066329 (1978-01-01), Van Exel
patent: 4126374 (1978-11-01), Maguire
patent: 4171865 (1979-10-01), Kamakura
Corbin John K.
Hilka International Co., Ltd.
Koren Matthew W.
Morrison Thomas R.
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