Camera with light shielding barrel and stepped film chamber defi

Details Camera with light shielding barrel and stepped film chamber defi Camera with light shielding barrel and stepped film chamber defi

1994-12-02

1997-09-16

Metjahic, Safet

Photography

Camera detail

Body structure or housing

396539, G03B 1702

Patent

active

056690274

ABSTRACT:
A camera with a built-in flash light unit has a light shielding barrel of truncated cone shape and a stepped film cartridge chamber. The light shielding barrel is disposed to shield an optical path between a photographic lens at a front of the camera and a film plane at a rear of the camera, the smaller end of the truncated cone residing at the photographic lens. The cartridge chamber is provided at one side of the light shielding barrel and encloses a film cartridge having a cylinder for including a film wound therein and a feed step tangentially projecting out from a circumference of the cylinder for film feed therefrom. The cartridge chamber has a predetermined rear-to-front dimension and comprises a first room defined by a curved wall shaped to fit the cylinder and a second room connected to the first room and defined by a wall shaped to fit the feed step. The light shielding barrel and both of the cartridge chamber walls define a space between the cartridge chamber and the light shielding barrel. A power source condenser, that provides power to the flash light unit, and a film feed transmission member are disposed in the space between the cartridge chamber and the light shielding barrel within a rear-to-front dimension of the space that is within the predetermined rear-to-front dimension of the cartridge chamber.

REFERENCES:
patent: 3703129 (1972-11-01), Goshima et al.
patent: 4579435 (1986-04-01), Haraguchi
patent: 4811041 (1989-03-01), Tsuboi
patent: 4841319 (1989-06-01), Hansen
patent: 5001505 (1991-03-01), Tosaka et al.
patent: 5079584 (1992-01-01), Nakamura
patent: 5150140 (1992-09-01), Kitazawa

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