Camera bellows

Claim 1

A collapsible bellows for providing a light-tight enclosure between a bellows support element of a camera housing and a lens support door, the door having one end mounting the lens and an opposite end pivotally coupled to the housing for movement between a closed position generally parallel to the housing and an open position in oblique relation to the housing, said bellows comprising: a. a pair of substantially rectangular frames defined by relatively rigid rectangularly disposed ribs establishing four edges in each of said frames, said frames being adapted respectively to be attached to said door and said bellows support element; b. a light-tight bendable and relatively short first bellows wall joining the ribs of said frames at one edge adapted to be positioned adjacent the pivotally supported end of the door; c. a light-tight foldable and relatively long second bellows wall joining the ribs of said frames at an edge opposite the one edge; d. a pair of light-tight foldable and generally triangular third bellows walls disposed in confronting relation to each other, each of said third bellows walls being joined to the ribs of said frames at the remaining edges, respectively, and extending between said first and second walls; and, e. means defining folding regions within and between said second and third walls along which said walls are adapted to fold to permit said bellows to be collapsed and extended to accommodate closing and opening movement of said door.