SU29987A1 - Device for automatic permutation of gramophone and gramophone membrane boxes - Google Patents

Description

The proposed device is intended for automatic rearrangement of gramophone and gramophone membrane boxes by using a tubular sliding lever, inside of which is placed a rod with a head gripped by a flange of a screw trough with which a cylinder mounted on a gramophone plate. In the drawing of FIG. 1 is a side view of the proposed device; FIG. 2- cylinder with screw zholob; FIG. 3- tubular sliding arm; FIG. 4- B1 Modification of a cylinder with a screw chute; FIG. 5 is a side view of a modified device; FIG. b is a detail of the mechanism of FIG. five.

On the flock / pivotally, the tubular sliding arm 5, 9, which has a rod 4 inside, is fixed, in various places of which screws 7 and 8 can be fixed, arranged in the slots of the tube 3. The other end of the lever 3, 9 is also hingedly fastened with a fitted notch, which includes a l2 rod 4, a ring // freely enclosing a cylinder 13 mounted on a gramophone plate, having a broad base 14. The cylinder is equipped with a screw chute / 7, having a bottom 27, and a freak (237)

The keypad is associated with a gramophone pin. When installing the membrane box 20 before starting the gramophone (or the background), screw 8 is fixed on the rod so that it touches the membrane installed in the initial position, and at the same time 12 rod 4 must tightly abut the end of tube 9. The screw is fixed on rod 4 depending on the length of the record of the plate in such a way that by the time the recording ends, the membrane 20 comes into contact with it and moves it toward the center screw 7. a thus, the rod 4. When the latter moves to the center, the head 12 will come into contact with the cylinder 13, will fall into the lower part of the chute 17 and will be raised with the rotation of the cylinder 13. When this composite lever 3, 9 will take an inclined position due to which will be raised upwards ring 11, having a lever swivel, and the membrane 20 (see the dotted line in Fig. 1). As the flange 21 in the upper part of the trough 17 is absent, the head 12 in the upper position will come out of this trough and slide into the cutout of the ring 11, ъ the membrane box, abutting the screw 8 6 1 1 гт move along the lever 3, 9 downwards with the rod 4 until his / 2 head rests on the end of the tube I. Thus, the rod 4 and the membrane will return to their original position.

The cylinder 13 can be equipped (Fig. 4) with a screw thread and an eccentric 22 located in its upper part and used for pressing the rod 4 into the tubular lever 3, the various positions of which are 4) ig. 4 are shown by a dotted line. The cylinder 13 is closed by means of a knife // equipped with a slot 2 for the rod 4 of the lever 3 and a lid 6. The screw 3 is rotated by the pin of the phonograph disk, and the rod 4 is moved along its cut until it reaches the eccentric. The eccentric will press the rod 4 into the lever 3 and all parts will come to the initial position.

It is also possible to modify the described device, in which on the rack 7 (Fig. 5) a lever is pivotally fixed, made as a whole tube 5, the end of which freely goes in the slot 2 of the jacket // surrounding the cone / J, with the base facing upwards and equipped with a screw thread . Cone 13 is mounted on disc 5, which is mounted on a gramophone record. The shirt 11 has a cover 6 and is in contact with the disk .5 and the cone 13 by means of balls 18. On the lever 3 there is a protruding part with a slot / 7, ® of which is mounted on the axis a cranked lever 27; a part of it, which is inside the lever 3, ends (fig. 6) with a hook 26, for which a cone / b, which sits on the rod 4, can freely jump in the sleeves 19 and is provided with a roller designed to walk along the screw thread 13; A spring 25 is fastened on the rod 4, reinforced by one end on the sleeve 19 and the other hook on the cone 16. At the end of the lever 27 there is a tube 28 in which the rod 29 moves, secured with a screw 23. At any place of the tube 5 there can be a fixed stop 14 with the clamping screw 24.

The pin 29 on the lever 27 is strengthened in such a way that during the end of the recording of the record the membrane 2i comes

, in contact with it, pushes the hook .26 down, as a result of which the latter releases the cone 16, and the roller of the rod 4 under the action of the spring 25 enters the lower part of the screw thread of the cone 13. The roller, due to the rotation of the cone along the thread, moves to its upper part. and the lever 3 rises, and comes in contact with the membrane 20. Lastly, it slides over the lever 3 to its initial position, which is controlled by the stop 14. When the rod 4 reaches the top of the cone 13 and comes out of its cutting, it will thereby squeeze the cone 16 which will be hooked by hook 26 (hook 26 is shaped by lever 27). After that, the rod- / together with the lever 3 goes down and also takes up its initial position. The needle of the membrane will come in contact with the plate, and the movement of the membrane to the center will begin again.

The subject matter of the invention.

Claims (3)

1. Device for automatic rearrangement of gramophone and gramophone membrane boxes, characterized by the use of a composite, tubular, sliding lever 5, 9, one end hinged on the rack / and the other end hingedly attached to the ring // freely enclosing the cylinder 13 mounted on the gramophone plate, having a screw groove / 7 in the lower part with a flange 2 /, which serves to grip the head 12 located in the tubes 3, 9 of the rod 4, while pressing the membrane box that runs along the tube Zg on the reinforced pin 4 of adjustable BINT 7, in order to lift the ring // and roll along the inclined tube 3 of the membrane box to its original position and subsequent uncoupling of the head 72 and the cylinder 75 by pressing the diaphragm box positioned on the stem 4 screw 8. 2. Change the device pop. 1, characterized in that the lever pivotally connected to the pillar 7 is arranged in the form of a single -pubka 3 with the end running in the slot 2 of the shirt 77, surrounding it (taper 7J, facing the base upwards and fitted with a screw thread, converging, at the top to no, inside which tubular lever 3 a rod 4 moves along the sleeve 79, carrying a roller at the end that can enter the screw thread of a 75 "cone and fitted with a non-cone 76 by the action of the spring 25, and held by the hook 26 of the crank lever 27, which in the part 3 projecting from the pipe carries a rod 29 that is adjustable in the tube 28, with an emphasis on which the membrane box 20 releases the cone 76, in order to crush the roller 4 with the thread on the cone / J (Fig. 5 and 6). 3. Modification of the device according to claim 1, characterized in that the cylinder / 5, having a screw thread on the surface, which includes the rod 4 of the lever 5, is provided in its upper part with an eccentric 22 serving as dg. push rods. in the lever 5 along the raising of the rod 4 to the upper part of the cylinder 73 (Fig. 1-4). Bx 42 .З. sii FIG 4 .2 : -, .- .. 3-2 fig b