JP3129031B2 - Bill validator with pull-out prevention function - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bill discriminating apparatus with a pull-out preventing function which improves the function of preventing the pull-out of bills and reduces the cost.

[0002]

2. Description of the Related Art Conventionally, as one of criminal acts against a bill discriminating related device, there is a fraudulent act of "pulling out bills". After the inserted bill is discriminated as normal by the discriminating unit, it is intentionally pulled out. Generally, when a bill is discriminated as normal, even if the bill is subsequently withdrawn, the bill is accepted as a signal, and subsequent transactions can be executed. For example, in the case of an automatic exchange machine, it is possible to throw out currency exchange for the inserted exchanged bills, and in the case of an automatic vending machine, it is possible to sell goods for the inserted currency. A criminal act of receiving exchange money or merchandise may be performed in such a state that payment is not substantially made.

[0003] As a countermeasure against this bill withdrawal, a conventional method has been to provide a lever capable of blocking a transport path and block a bill that is pulled out after discrimination. More specifically, it differs slightly depending on the bill processing method. One of them is to temporarily hold the bill at a predetermined place when the bill is discriminated as normal, and then re-transfer it to the receiving side or return it to the receiving side based on the customer's decision to continue or cancel the transaction. This is a so-called escrow system. In the case of this method, a lever-shaped protrusion is operated by a solenoid, so that the transport path is opened for passing bills or cut off to prevent pulling out. Another processing method is a method in which, when discriminated from normal, the sheet is conveyed to the storage side as it is. In the case of this method, the lever is automatically protruded to the blocking position via a spring so as to prevent the banknote that has passed through the discriminating section and has been discriminated from being normal from being pulled out, thereby cutting off the retreat.

[0004]

In the conventional method using a shut-off lever, the drive is performed by a solenoid,
Despite the biasing of the spring, the bill can be pulled out by forcibly opening the lever with a pulling force exceeding the breaking force or by slightly removing the timing of the breaking. On the other hand, increasing the number of levers, increasing the breaking force, or making the timing of the breaking strict become mechanically complicated, increases the cost, or causes a failure. There has been a demand for a method of reliably removing bills with a relatively simple configuration.

SUMMARY OF THE INVENTION An object of the present invention is to provide a bill validating apparatus with a pull-out preventing function which solves the above problems of the prior art, improves the function of preventing bills from being pulled out, and reduces costs. .

[0006]

A bill discriminating apparatus with a pull-out preventing function according to claim 1 is provided on a transport path,
Forward and reverse rotation is possible so that the bills are conveyed in the forward and backward directions.
A toothed roller having teeth having a tooth surface capable of guiding the toothed roller in the center direction, and a cylindrical roller having an elastic surface portion on the outer circumference; And;

A bill discriminating apparatus with a pull-out preventing function according to a second aspect is provided on a transport path, and can rotate forward and reverse so as to transport bills in forward and reverse directions, and move in reverse direction when stopped. And a toothed roller having teeth on its entire outer circumference which abut against the leading end of the bill to be guided and can guide the same in the center direction; A cylindrical roller having an elastic surface layer portion; a triangular prism-shaped projection provided at a stage subsequent to the toothed roller in the forward direction of bill transport on the transport path and having an axis parallel to the transport path surface and perpendicular to the transport direction; Is provided.

[0008] A bill discriminating apparatus with a pull-out preventing function according to claim 3 is the apparatus according to claim 1 or 2,
A plurality of toothed rollers are juxtaposed at a plurality of positions on a common shaft so that the phases of the teeth are different.

[0009]

In the bill discriminating apparatus with the pull-out preventing function according to claim 1 or 3, when the bill is intentionally pulled out after passing through the toothed roller, the bill moves in the opposite direction to move the bill tip in the moving direction. It comes into contact with the tooth surface of the stopped toothed roller, is guided along the central direction along the tooth surface, and is brought into contact with the tooth bottom to be stopped. The normal transported and returned banknotes receive a feed force at a peripheral speed equal to or slightly larger than the banknote transport speed due to forward and reverse rotation of the driving-side toothed roller and the driven-side roller, and are transported and returned without any trouble.

In the bill discriminating apparatus with a pull-out preventing function according to claim 2 or 3, when the bill is intentionally pulled out after passing through the toothed roller, the bill moves in the opposite direction to stop the bill tip in the moving direction. It comes into contact with the tooth surface of the middle toothed roller, is guided in the center direction along the tooth surface, and is stopped by contacting the tooth bottom. Furthermore, the tip of the bill that moves in the opposite direction is raised by a triangular prism in front of the toothed roller, supporting the toothed roller in contact with the tooth surface and guiding in the center direction along the tooth surface. Is done. The normal transported and returned banknotes receive a feed force at a peripheral speed equal to or slightly larger than the banknote transport speed due to forward and reverse rotation of the driving-side toothed roller and the driven-side roller, and are transported and returned without any trouble.

In the bill discriminating apparatus with the pull-out preventing function according to the third aspect of the present invention, the plurality of toothed rollers are arranged side by side so that the phases of the respective teeth are different. The possibility of the passage of the withdrawn bill, which may occur due to a gap between the outer periphery of the roller and the teeth of the toothed roller, is ensured by the contact between the tip of any of the toothed rollers and the outer periphery of the roller. Will be blocked.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a bill discriminating apparatus with a pull-out preventing function according to the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a main part of the first embodiment. In the figure, a bill 9 is conveyed in the direction of the arrow along the conveyance path 1 while being discriminated through a discrimination sensor (not shown) provided on the front side of the toothed roller 2.
At the time when the rear end has passed through the protrusion 4, a genuine note signal is output and temporarily held. More specifically, the transport path 1 is configured as a narrow opposing space between the upper transport plate 1a and the lower transport plate 1b. The bill 9 receives the frictional force from the lower surface of the toothed belt 6, and is conveyed on the surface of the lower conveying plate 1b. A shaft 5 is provided in parallel with the road surface of the transport path 1 and at right angles to the transport direction.
The toothed roller 2, which is one of the main parts of the present invention, is fixed to the center of the shaft 5. A cylindrical roller rotatable around another axis is provided below the toothed roller 2 so as to make pressure contact with the tooth tip portion through holes formed in the upper and lower transport plates 1a and 1b. 3 are provided. A projection 4 is located near the right side of the toothed roller 2 so as to be attached to the lower transport plate 1b. The toothed roller 2, the cylindrical roller 3, and the protrusion 4 have important functions, and will be described later in detail. Now, a toothed wheel 7 that meshes with the upper surface of the toothed belt 6 is fixed to the front end of the shaft 5. Therefore, axis 5
Rotates counterclockwise when the bill 9 is conveyed in the normal forward direction and clockwise when conveyed in the reverse direction. Note that the cylindrical roller 3 is driven to rotate by the toothed roller 2, and the peripheral speed at the contact portion between the two is designed to be equal to or slightly higher than the bill conveying speed. Therefore, the bill to be transported or returned takes a form in which the feeding is supported while sliding slightly with the toothed roller 2 and the cylindrical roller 3.

[0013] Toothed roller 2, cylindrical roller 3, projection 4
Will be described with reference to FIGS. FIG.
FIG. 3 is a side view of a main part of the first embodiment, and FIG. 3 is a partially enlarged side view of the main part of the first embodiment. In FIG.
So that the pressing contact portion is located at
And the cylindrical roller 3 are installed. The toothed roller 2 is a plastic molded product, and has teeth 2a all around. The shape of the tooth 2a is
The right tooth surface is formed so as to come into contact with the leading end of the bill moving from the right to the left and guide the bill toward the center. The cylindrical roller 3 is made of an elastic material such as rubber (at least the outer peripheral surface has elasticity). Therefore,
The toothed roller 2 has a tip portion of a tooth 2a and a cylindrical roller 3
(See FIG. 3).
The toothed roller 2 and the cylindrical roller 3 drive the toothed roller 2 such that the peripheral speed of the pressed contact portion is equal to or slightly higher than the banknote transport speed when the banknotes are transported in the normal forward and reverse directions. , The cylindrical roller 3 is driven and rotated. That is, if only the toothed roller 2 is rotated in the counterclockwise direction and the clockwise direction, the bill can be transported in each of the forward and reverse directions. The protrusion 4
It is formed integrally with the lower conveying plate 1b so as to protrude in a triangular prism shape and is located near the right side of the toothed roller 2, that is, when the bill moves in the reverse direction, the toothed roller 2
It is located near the front side of.

The operation of the first embodiment will be described with reference to FIG. FIG. 4 relates to the operation of the first embodiment.
(d) is a side view of a main part in each operation step. FIG.
1A shows a state in which the banknote 9 is conveyed in the forward direction (rightward in the figure) by the toothed belt 6 of FIG. 1 and is located on the front side of the toothed roller 2 and the cylindrical roller 3. In FIG. 4 (b),
The bill 9 passes through this portion in such a manner as to be conveyed by the toothed roller 2 and the cylindrical roller 3, and the leading end portion passes over the protrusion 4. In FIG. 4C, the banknote 9 enters an escrow state, that is, a temporary holding state at a position completely separated from the toothed roller 2, the cylindrical roller 3, and the protrusion 4. Therefore, the toothed roller 2 and the cylindrical roller 3 are stopped.
Now, assuming that the bill 9 has been pulled out at this time, the bill 9 moves to the left as shown in FIG.
After the left end of the toothed roller has passed over the projection 4, the toothed roller 2
Abuts against the right tooth surface of the tooth 2a located inside the conveyance path 1, is guided in the center direction along this tooth surface, is blocked at the tooth bottom, and is prevented from being pulled out. In addition, by the projection 4,
The leading end of the bill 9 that moves in the opposite direction rises in front of the toothed roller 2, and comes into contact with the tooth surface of the toothed roller 2.
Guidance in the center direction along the tooth surface is supported, and pull-out prevention is more reliably performed.

Incidentally, the tooth tip of the toothed roller 2 and the outer periphery of the cylindrical roller 3 intermittently come into pressure contact with each other, and depending on the angular position of the toothed roller 2, the outer periphery of the cylindrical roller 3 may face the outer periphery of the cylindrical roller 3. As shown in FIG. 5, there may be a gap between the toothed roller 2 and the teeth of the toothed roller 2. Therefore, the bill 9 may be pulled out through this gap. FIG.
FIG. 4 is a side view of a main part showing a failure example of the first embodiment.
Therefore, as a second embodiment, as shown in the rear view of the main part of FIG. 6, a method is adopted in which three toothed rollers 8 are juxtaposed on the shaft 5 so that the phases of the teeth are different. . According to the second embodiment, the tip of one of the three toothed rollers 8 always comes into contact with the outer circumference of the cylindrical roller 3 (not shown), so that the bill 9 is pulled out. It becomes impossible.

Note that the positional relationship between the toothed roller and the discrimination sensor is not limited as long as the true bill signal is transmitted after passing through the toothed roller.

[0017]

According to the bill discriminating apparatus with a pull-out preventing function according to the first or third aspect, when the bill is intentionally pulled out after passing through the toothed roller, the bill moves in the opposite direction to move the bill tip in the moving direction. , Abuts against the tooth surface of the stopped toothed roller, is guided in the center direction along the tooth surface, and is stopped by abutting the tooth bottom. The regular transported bills and returned bills receive a feed force at a peripheral speed equal to or slightly larger than the bill transport speed due to the normal rotation and reverse rotation of the toothed rollers and rollers, and are transported and returned without any trouble. Therefore, the function of preventing bills from being pulled out is improved. In addition, only the addition of the toothed roller and the roller significantly reduces the cost increase as compared with the conventional method.

In the bill discriminating apparatus with the pull-out preventing function according to claim 2 or 3, when the bill is intentionally pulled out after passing through the toothed roller, the bill moves in the opposite direction to stop the bill tip in the moving direction. It comes into contact with the tooth surface of the middle toothed roller, is guided in the center direction along the tooth surface, and is stopped by contacting the tooth bottom. Furthermore, the tip of the bill that moves in the opposite direction is raised by a triangular prism in front of the toothed roller, supporting the toothed roller in contact with the tooth surface and guiding in the center direction along the tooth surface. Is done. The regular transported bills and returned bills receive a feed force at a peripheral speed equal to or slightly larger than the bill transport speed due to the normal rotation and reverse rotation of the toothed rollers and rollers, and are transported and returned without any trouble. Therefore, the function of preventing the withdrawal of the bill is further improved than that of the previous page, and the cost increase from the preceding paragraph is very small because only the addition of the triangular prism-shaped projection is required.

In the bill discriminating apparatus with the pull-out preventing function according to the third aspect of the present invention, the plurality of toothed rollers are arranged side by side so that the phases of the teeth are different. The possibility of the passage of the withdrawn bill, which may occur due to a gap between the outer periphery of the roller and the teeth of the toothed roller, is ensured by the contact between the tip of any of the toothed rollers and the outer periphery of the roller. Will be blocked. Therefore, the improvement of the bill withdrawal prevention function is supported.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part of a first embodiment according to the present invention.

FIG. 2 is a side view of a main part of the first embodiment.

FIG. 3 is a partially enlarged side view of a main part of the first embodiment.

4 (a) to 4 (d) are side views of a main part in each operation process with respect to the operation of the first embodiment.

FIG. 5 is a side view of a main part showing a failure example of the first embodiment.

FIG. 6 is a rear view of a main part of the second embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Conveyance path 1a Upper conveyance plate 1b Lower conveyance plate 2 Toothed roller 2a Teeth 3 Cylindrical roller 4 Projection 5 Shaft 6 Toothed belt 7 Toothed wheel 8 Toothed roller 9 Banknote

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-4-71094 (JP, A) JP-A-59-172354 (JP, A) JP-A-61-195483 (JP, A) 105670 (JP, U) Japanese Utility Model 63-89181 (JP, U) Japanese Utility Model 60-57870 (JP, U) Japanese Utility Model 56-53259 (JP, U) (58) Fields surveyed (Int. G07D 9/00 B65H 11/00 G07D ^7/ 00-7/20

Claims (3)

(57) [Claims] 1. A bill is provided on a transporting path, is rotatable forward and backward so as to transport bills in forward and reverse directions, and comes into contact with a front end of the bill which moves in a reverse direction when stopped, and moves the bill toward the center. A toothed roller in which teeth having a guideable tooth surface are provided on the entire outer circumference; and a cylindrical roller having an elastic surface portion on the outer circumference, wherein the tooth tip of the toothed roller and the outer peripheral surface are in pressure contact with each other. A bill validator with a pull-out preventing function. 2. A bill is provided on a transporting path, is rotatable forward and backward so as to transport bills in forward and reverse directions, and comes into contact with the leading end of the bill which moves in the reverse direction at the time of stop, and moves the bill toward the center. A toothed roller in which teeth having a guideable tooth surface are provided on the entire outer circumference; a cylindrical roller having an elastic surface portion on the outer circumference in which the tooth tip of the toothed roller comes into pressure contact with the outer peripheral surface; A triangular prism-shaped protrusion provided at the subsequent stage of the toothed roller in the forward direction of bill conveyance and having an axis parallel to the conveyance path surface and perpendicular to the conveyance direction as an axis; apparatus. 3. The device according to claim 1, wherein
A bill discriminating apparatus with a pull-out preventing function, wherein a plurality of toothed rollers are juxtaposed at a plurality of positions on a common axis so that the phases of the teeth are different.