Lens barrel

Details Lens barrel Lens barrel

1986-04-02

1989-03-14

Corbin, John K.

350255, 350257, G02B 702

Patent

active

048120154

ABSTRACT:
A holding member for holding an optical member is made of plastic material, and provided with at least two fit portions on the inner diameter surface thereof in such a way as to project toward the optical axis and also to determine the holding position of the optical member. The holding member further includes a resilient portion at a position of almost equal distance to both fit portions to hold the optical member by pressing it against the fit portions.

REFERENCES:
patent: 2388587 (1945-11-01), Wilson
patent: 2465083 (1949-03-01), Gradisar
patent: 3441339 (1969-04-01), Rederer et al.
patent: 3749479 (1973-07-01), Kempf
patent: 3817601 (1974-06-01), Colaiace et al.
patent: 4575133 (1986-03-01), Nattel
patent: 4647155 (1987-03-01), Bjorklund et al.

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