SU27825A1 - Photographic Camera Shutter - Google Patents

Description

The proposed device is designed to release the shutter of a photographic camera after a certain, predetermined time.

Pa drawing FIG. i depicts the type of device — above; FIG. 2 - the same side, with a partial section; FIG. same in front.

The proposed fixture, attached by the clip 5 to the objective board 17, consists of a disk 5 with a slit 2 and a lever 4 supported on the disk and connected by thread 24 to an apparatus shutter. After determining the time to prepare for the shooting, the disk 5 is set against the arrow 8, and the roller 20 with the lever 12 and the disk 1 with the scale on it, which is set against the arrow 25, is used to set the shutter speed. lush; it is with a ngsternay 28 on the “alik 20. If you push the latch 26, then the roller. 20 will start the stroke, and then the disk 3, until the lever 4 drops into the notch 2, as a result of which the shutter is released for nipha 24; at the same time: lever a1. 4 will hit the latch 15, which will separate the disc 3 from the roller 50 and will

rotate and rotate the lever, 12, mounted on the roller 22 and equipped with the protrusion 13, until it presses the latch 23, and the action of the gun 21, the lever J2 returns to its original position and the shutter closes.

The subject matter of the invention.

1. A device for releasing the shutter of a photographic camera, characterized by the use of a disk 5 rotating on a roller 20, provided with a slot 2 for a lever 4, connected with thread 24 to a photo camera shutter and its upper end resting on the disk 3, the quality dial has a time scale with a pointer Strash 8, and to bring the roller 20 into rotation, serves a gear 28, which engages the gear 14 on the winding wheel.

2. When adjusting item 1, a device for adjusting the satus. a shutter consisting of a lever 12 mounted on a roller 20 and provided with a protrusion 13 for a latch 23, and a disk 1 with a scale mounted against a pointer arrow 25.