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shutter revolves, will pass across the axis of the lens. When the shutter is adjusted in the other position, the projecting openings 23 will pass across said axis. In order to obtain a uniform action for the shutter, the shutter disk is provided with a weighted rim 24, which causes the shutter to act as a flywheel.
Fig. 6
Fig. 5
Fig. 7
A diaphram with a fixed opening is attached to the movable support 17 whereby, when the handle 18 is raised to the upward position bringing the camera shutter opening before the lens, the diaphram is, at the same instant brought before the lens. It is removed when the handle is lowered, bringing the projecting openings of the shutter in position and allowing full use of the lens when projecting.
Film Feed Mechanism
The camera is provided with a new and improved film feed mechanism of simple construction. Its purpose and object, in which the element engaging the film shall at the moment at first engagement have a substantially rectilineal movement at right angles to the film and further to provide a feed which in its film disengaging movement has a substantially rectilineal movement at right angles to the film. In other words, in order to feed the film, a disk 16 (Fig. 8) is fastened to shaft 10 the disk having a crank pin 17 thus forming a crank upon which is pivoted a finger 18. This finger is provided with an arm 19 whose other end is pivoted to a supporting arm 20, the free end of arm 20 is mounted on frame of camera. In operating the feed, the disk 16 is caused to move clockwise, with the result that the finger 18 is first caused to enter one of the perforations in the film. As the disk 16 is further revolved, the finger 18 moves downward, dragging the film with it. After the axis of the pin 17 has passed below the axis of the shaft 10, the finger 18 is withdrawn from the perforation by a substantially rectilineal movement at right angles to the plane of the film and finally entirely disengages the film after one step of the movement of the film has been fully completed.
As the disk continues to revolve the finger is then moved upward and toward the film, re-engaging another perforation in the film and
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