SU10102A1 - Payphone - Google Patents

Description

l The proposed pay phone with a clock mechanism, designed for interrupting the telephone circuit after a certain time with a preliminary signal, consists of a telephone set and the automaton itself,

strengthened next to the first one and included in its chain, which is closed with a coin dipped into the slot on the cover of the stand.

. In the case when a coin other than valuables is thrown into the machine, or the conversation is over before a certain time, a special device that comes into effect - when the next machine opens the lid of the machine, causes the mechanism of the machine to return to its normal position.

In FIG. 1 and 2 depict longitudinal and transverse sections of the device being marketed.

The automat, as the ear noted, is fastened next to the telephone set, the wires of which 1 and 2 (Fig. 1), pass through the automat where the wire 2 has a break and is connected to the terminals 3 on the horizontal - bend of the side brass walls 5 rectangular tube 4. The tube is reinforced and the upper part in the ebonite plug 6, the opening of which has dimensions corresponding to the size of the coin of established value. The tube 4 in the upper part is somewhat wider for the free fall of the coin, the lower part corresponds to the size of the coin placed on the edge, so that the latter touches the walls of the tube and closes the wire 2 in the clips 3. The end of the tube is closed with an ebonite plate 7 fixed to the end of the movable the scale of the lever is 8, which has a fulcrum on the stop-9, which enters a small notch in the lever. The right shoulder of the lever 8 Hc1 comes in front of the electromagnet 11, horizontally mounted on the shelf 12.

The stop 9 rotates on the bushing 32 and is clamped by two springs 33, the resistance of which the electromagnet 11 can overcome.

A brass plate 13 is attached to the other opposite end of the ebony plate. The entire system of the connected plates 13, 7. with the lever 8 is set so that the right arm, the lever balances the plates and heats the bottom of the tube.

When a coin is lowered into the tube, it weighs the left shoulder of the system with its weight and causes the plate 13 to connect the end of the brass t with the clips of the plate 14, 14, reinforced

on shelf 15. To the clips of the plates 14 are attached the ends of the wire 16, coming from one of the poles of the battery; wire 17 comes from the other pole, whereby both wires feed a vertically positioned electromagnet 18. At the poles of the latter there is a crank lever 19, which can move between two guides 20. The right code 21 ends in a curved shape and rests on a cogwheel spring mechanism 24, and the left 22 is a VOH spring, which is in contact with the arm of the pendulum 23 when the mechanism is inactive.

The wheel 25 is fixed on the axis of the clockwork mechanism; on its rim, segments 26 are worn on the insulation pads, each with a wedge-shaped protrusion. The wheel is in contact with two vertically positioned brass plugs 27 connected separately by the ends of wire 29, which together with wire 28 feeds electromagnet 11. In the idle state of the machine, the telephone set is disconnected from the network, as wire 2 has a gap, being connected to clips 3 When a coin that fits against the walls 5 is inserted into the tube, it closes the circuit and turns on the devices of the network, making it possible to use the telephone in the usual way. At the same time putting pressure on your weight on. Ebonite plate 7, the coin, as already noted, upsets the balance of the lever 8, while plate 13, lying on plate 14, closes the wire 16. Electromagnet 18 attracts the crank lever 19, whose right knee 21 releases the gear of the clock mechanism 24, and the left (hair spring 22) gives impetus to the tandem 23. The clock mechanism starts working and drives the wheel 25 in the direction indicated by the arrow. Before movement, i.e. prior to the operation of the machine, the wheel 25, in its segments, is in contact with the brass forks 27, so that

 one of them is connected to one segment, and the other is connected to the other and the wire 29 is open. After the expiry of the time spent for the work of the phone

; Kolbs; th 25 One of the segments, touching:, the shims of both plugs, clamped the wire 29.

V. This electromagnet 11, receiving current through wires 28 and 29, draws to itself the right shoulder of the lever 8, so that plate 7, which serves as a support for the coin, goes to the side, opening the lower end of the tube 4 and the coin falls through the chute 30 into the compartment (Box) 31. The telephone circuit opens and the conversation ends. At the same time, the plate 13 moves aside, the wire 16 is disconnected, due to which the current in the electromagnet 18 stops, the latter releases the crank lever 19, which is lowered and, with its tooth, the shoulder 21 is set near the top of the gear teeth of the clock mechanism, which continues to work until the tooth lever will not enter the gap between the teeth of the wheel and will not stop it. During this period, the segment of the wheel 25 will pass a certain distance g separated from the lower fork. The current in the wire 29 is interrupted, the electromagnet 11 will stop its action and release the right shoulder of the lever 8. By the action of the springs 33 on the stop 9 the plate 7 will take its original position, i.e. closes the tube 4. To the left of the wheel 25, a bell hammer 32 is attached, which rises when you press its shoulder on the segment and, with a further rotation, release, fall, hit the kolo. The call serves as a warning to the client that the time set for talking on the phone expires and the device will now be turned off. In the machine, there is still a device so that handset 4 can be freed from a coin when one customer ends the conversation before the scheduled time, and another wants to use the phone immediately, or when a coin of a different size is thrown into the handset that does not activate the machine .

The adaptation consists of levers 33) (fig. 1) terminating at the lower end of the wheel 25 and upper at the cover 34 with hooks 41 and 42. This lever is connected to a special form by the lever 35; with the support point 36. The lever 33i is held in the upper end by the spring 37 in the slot of the box. The iron cover 34 of the automatic machine has a protrusion 38 on which the upper hook 41 of the lever Z3 rests.

In order to lower the coin, it is necessary to open the lid, which at the same time by the protrusion 38 lifts the lever 33i upward to a definite distance, after which the hook 41: jumps off vykti na 38 and step 33i lowers. During the upward movement of the lever 33i, its upper arm, lifting, deflects to the right side of the slot 39, and the lower arm leans to the left, then the lower hook, lifting up, passes the distance megger by forks 27 and the meeting on its way the gap between. segments, hooks onto it and advances the wheel 25 to the proper position of the segment with respect to the forks 27. Moreover, the arcuate. The lever 35 deflects the plate 7 and, by opening the end of the tube, causes the coin to slip into the chute 30. The indicated process will occur before the moment when the hole for lowering the coin is completely open. By this time, the lever 331 will have time to lower and take the proper position.

Back cover 34 is closed by a spring 40 and under the action of its gravity deflects the hook 41, which enters the protrusion 38. The electromagnets I, 18 are energized by the current from the phone’s battery or

from special batteries through wires 43 and 44, passing through the holes in the tires of the machine.

The subject of the patent.

A payphone characterized by the use of a two-arm lever of the first kind with a fulcrum 9, one end of which is located under the tube 4, along which the coin inserts into the machine, and the other end of which is located in the field of the electromagnet 11, into the winding circuit of which. contacts 27 are included, which are closed by segments 26 fixed on the rim of the wheel 25 driven in: rotation by a clock mechanism 24 released when the coin is inserted into plate 7 fixed on lever 8, by a cranked lever 19 controlled by an electromagnet 18, the circuit of which closes in 14 by the end 13 of the lever-8, which the clock mechanism is designed to interrupt the circuit of the automaton after a certain time has passed, and also to give a signal to the speaker by means of a bell, a hammer of 32 g which touches the projection of the wheel 25.

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