Lens holding device

Details Lens holding device Lens holding device

1995-06-30

1998-05-26

Ben, Loha

Optical: systems and elements

Lens

With support

359820, 359811, G02B 702

Patent

active

057575592

ABSTRACT:
A glass lens and a plastic lens are secured such that the glass lens is retained in a predetermined position with reference to a lens barrel and against a reference surface provided in the lens barrel. The plastic lens is held by a resilient ring-shaped portion of the lens barrel against the glass lens, thus locating the plastic lens in a predetermined position with reference to both the lens barrel and the glass lens. The glass lens is retained against the reference surface by a retaining member positioned opposite the reference surface.

REFERENCES:
patent: 3904276 (1975-09-01), Whitaker et al.
patent: 4668047 (1987-05-01), Okura
patent: 4737017 (1988-04-01), Nagasaka
patent: 5117311 (1992-05-01), Nomura
patent: 5177641 (1993-01-01), Kobayashi et al.
patent: 5225928 (1993-07-01), Dugan
Japanese Utility Model Provisional Publication No. HEI 4-13908.

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