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US 4,062,030 AGranted
Interchangeable lens retaining means for photographic cameras
AssigneeCarl-Zeiss-Stiftung
InventorFranz Starp
Life of this patent
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AssigneeCarl-Zeiss-Stiftung
InventorFranz Starp
Estimating the term…
Interchangeable lens retaining means for photographic cameras, so designed that the interchangeable lens may be placed on or removed from the camera by a simple axial movement in the direction of the optical axis, without requiring the rotational or twisting movement required when a conventional bayonet type mount is used. Shoulders on the interchangeable lens are engaged by a plurality of pivoted latches on the camera, the parts being beveled so that the latches are automatically thrust aside as the interchangeable lens is brought toward its seated position on the camera, and then snap behind the retaining shoulders on the lens. The latches are coupled to each other so that all move in unison. A radially movable button on the lens operates a lever to disengage all of the latches on the camera, so that the lens may be removed axially from the camera.
Retaining means for detachably coupling a lens to a camera upon axial movement without rotary movement of the lens relative to the camera, said retaining means comprising radially extending flange means on said lens, said flange means having a front face and a rear face, latch means mounted on said camera for movement having a radial component between a latching position engaging said front face when said lens is seated on said camera to hold said lens against removal therefrom and an unlatching position disengaged from said front face, spring means tending to move said latching means toward its latching position, and latch releasing means mounted on said lens for shifting said latch means from its latching position to its unlatching position to permit removal of said lens from said camera.
Dependencies are inferred from the claim text.