SU15225A1 - Adaptation for automatic gramophone sound box permutation - Google Patents

Description

The present invention relates to a device already known for automatically rearranging a gramophone sound box with a guide chute for a needle, and consists in that the groove is arranged on the front side of a disc freely attached to the spindle of the gramophone and resting on the gramophone plate by means of elastic pads.

In the drawing of FIG. 1, a top view of the fixture is shown, and FIG. 2 - view from the bottom.

The spindle of gramophone 5 is wearing a disc A with a groove 1, initially fitted with a slot D for the needle. The slot at the point of contact between the needle and the disk is bounded by a cylindrical 2 with a mounting rod 3 that is movable in it. On the back of the disk (Fig. 2) there is a series of elastic pads B, which serve to reduce friction noise on the plate.

The disk A is superimposed on the gramophone record and the sound box is set so that its needle enters slot D and rests against cylinder 2.

Rod 3 extends out of cylinder 2: so that, at the end of the game, the needle does not rest on it and cylinder 2, and consequently, release disk A, as a result of which the latter rotates the sound box needle with the phonograph 1, and leads her to the notch D. The needle is again pressed into the cylinder 2 and will again begin its movement along the sound recording to the center.

The subject of the patent.

Device for the automatic permutation gramophone zvukovoykorobki using guide yuschegozheloba the needle, characterized in that the chute 1 arranged on the front side of the disc A pivot on a spindle gramophone and opirayuschegos on the gramophone record by means of elastic pads B, which disc j4 is provided at the beginning of the chute 1 for a gramophone needle, slot A, bounded at the point where the needle touches the disk, is cylindrical 2 with a movable mounting rod 3 in it.

FIG. I

FIG. 2