1982-05-21
1985-01-08
Punter, William H.
G02B 702
Patent
active
044924291
ABSTRACT:
As improved mounting device for an optical unit consists of two optical components, one of which is mounted on the other, or else demounted therefrom, by relative rotation of the two with sliding contact of mating seating and mounting faces thereof, wherein in the seating face of the one optical component is formed a positioning recess which is engaged by a positioning member of the other optical component. The positioning member is constantly urged to project beyond the associated mounting face when the other optical component is properly mounted on the one optical component. Along a circular path on the seating face adjacent to the positioning recess is provided an accommodation groove which accommodates the positioning member when the one optical component is turned relative to the other optical component.
REFERENCES:
patent: 2083637 (1937-06-01), Colaiace
patent: 3620149 (1971-11-01), Ogihara
Egawa Takeshi
Miki Yukio
Minolta Camera Kabushiki Kaisha
Punter William H.
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