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US 5,177,638 AGranted
Zoom lens-barrel
AssigneeKonica Corporation
InventorsTetsuji Emura, Tohru Horikoshi, Kazuhiko Futagawa
Life of this patent
Estimating the term…
Abstract
A main body of a zoom lens barrel, which accommodates a zoom lens system having lens components movable in the direction of the optical axis, is composed of a housing having an opening on one side wall in parallel with the optical axis. At least the movable lens components of the zoom lens system can be assembled in the housing through the opening. The housing, accommodating movable lens components of the zoom lens system, is composed of a single element.
Claims14
A zoom lens barrel comprising:
- (a) a zoom lens system including lens components movable in the direction of the optical axis;
- (b) a housing having portions defining an opening on one side wall thereof, through which at least said movable lens components can be assembled in said housing;
- and
- (c) a main body of said zoom lens barrel being composed of said housing.
1 more element
Dependencies are inferred from the claim text.