JP3027207B2 - Prevention device for pulling out bills - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for preventing withdrawal of bills and the like, and more particularly to a device for preventing withdrawal of bills and the like in a bill processing device such as a vending machine or a money changing machine.

[0002]

2. Description of the Related Art Generally, vending machines and money changing machines are provided with a bill discriminating device for discriminating the authenticity of inserted bills, and a bill accumulating device for storing only accepted bills. The bill is sent from the bill insertion slot to the bill accumulation box along the bill passage by means such as a conveyor belt, and during this time, whether the bill is a regular bill or a counterfeit bill is identified. By the way, in this type of vending machine, an illegal act of pulling out a regular banknote that has passed through an identification device to an entrance side of the banknote by an illegal means is sometimes performed. In order to prevent this, a shutter plate is provided in the bill passage so as to block the bill passage.

[0003]

However, in the above-mentioned conventional apparatus, a wrongdoer uses a tape or the like attached to the rear end of a regular bill, and the regular bill is moved along with the tape along the bill passage. There is a risk that the bill will be pulled out by inserting a long plastic thin plate or the like into the bill passage from the bill insertion slot after the bill has been inserted and discrimination of the bill is performed, and the shutter plate will be artificially retracted. . Therefore, an object of the present invention is to provide a bill withdrawal prevention device in which a regular bill stored in a bill accumulation box is inserted from a bill insertion slot by inserting a thin plate of plastic or the like along a bill passage to prevent the bill from being pulled out. It is in.

[0004]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention discriminates the authenticity of a bill inserted from a bill insertion slot, and accumulates only the true bills in a bill accumulation box through a bill passage. In the banknote handling machine, a pull-out prevention device is provided on a banknote passage. The pull-out prevention device includes a bracket formed by integrally connecting a pair of mounting flanges and a side bearing with a bottom plate, and a side of the bracket. A pivot shaft supported between the bearings, a pull-out prevention lever pivotally supported about the pivot shaft and having a pair of claws projecting obliquely forward and the maximum projecting position regulated by the bottom plate; A first spring that spring-biases in a direction in which the claw of the pullout prevention lever projects, a drip prevention lever having a standing claw pivotally supported rotatably about the pivot shaft to prevent the bill from drooping; The prevention lever sag is characterized in that comprising a second spring for spring biasing in the same direction as the withdrawal prevention lever.

[0005]

According to the present invention, even if a thin sheet of plastic or the like is inserted into the bill passage from the bill insertion slot and the toe of the pull-out lever is retracted from the bill passage to attempt to pull out the bill in the bill stacking box, it does not hang down. The upright claws of the lever prevent the bill from being pulled out, and can prevent the bill from being pulled out to the outside.

[0006]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a paper currency withdrawal prevention device according to the present invention. FIG. 1 shows a side cross section of an embodiment of a banknote handling machine to which the present invention is applied. A bill insertion slot 2 is provided on a front surface of a housing 1 of the banknote handling machine, and a cover 3 is provided. The bill can be lifted up and inserted into the insertion slot 2. Inside the housing 1, a horizontal bill passage 4 and a vertical bill passage 5 which are substantially L-shaped and continuous to communicate with the insertion slot 2 are formed. Above the bill passage 4, a magnetic head 6 is provided as means for discriminating the authenticity of the bill, and a head pressing roller 7 is disposed on the side opposite to the magnetic head 6. Pulleys 8 and 9 are arranged before and after the head pressing roller 7, and a belt 10 is hung between these pulleys in parallel. The pinch roller 11 presses the pulley 8 from above the belt 10.

On the other hand, on one side of the vertical bill passage 5,
A pair of drive pulleys 12, 12 are arranged at a distance,
The driven pulleys 14, 14 corresponding to these drive pulleys are arranged below the housing 1. The storage belt 1 is provided between each of the driving pulleys 12 and the driven pulleys 14.
5 are hung in parallel. A bill pushing device 16 is provided inside these storage belts 15, and the pushing device 16 presses the bills B sent along the bill passage 5 by the storage belt 15 to the side. One end is pivotally attached to the push plate 17 and the back surface of the push plate 17, and the other end is fixed to the fixed shaft 18 through the elongated holes 19A and 20A.
A, a pair of link rods 19, 20 attached to 18B
And an eccentric cam 21 driven by a motor around the rotation center 0
It is composed of The push plate 17 is spring-biased toward the pushing device 16 by coil springs 22 and 22. A stacking box 23 for stacking the bills B pressed by the pushing device 16 is provided on the other side of the bill passage 5. A compression plate 24 is disposed in the accumulation box 23 and is urged to the left in the figure by a spring bar 25.

In the connection area of the bill passages 4, 5, a shutter plate 26 rotatable about a shaft 26B is provided.
The shutter plate 26 has one end 26A protruding into the bill passage 5. Although the shutter plate 26 is pushed by the bill B traveling in the bill receiving direction and automatically retreats to the outside of the passage, the shutter plate 26 functions as a stopper for the bill moving in the opposite direction, and functions as a stopper. Prevent pulling.

Thus, according to the present invention, a bill withdrawal prevention device 28 is provided below the inner end of the bottom plate 27 of the stacking box 23. As shown in FIGS. 2 to 4, the pull-out preventing device 28 includes a bracket plate 29, a pull-out preventing lever 30, and a droop preventing lever 31, and the pull-out preventing lever 30 and the droop preventing lever 3
1 is pivotally attached to the bracket plate 29 via a common pivot shaft 32. The bracket plate 29 includes a pair of mounting flanges 29a, 29a and side bearings 29b, 29.
b and a bottom plate 29c for integrally connecting them. A part of both sides of the bottom plate 29c is cut out to form stop grooves 29d.

On the other hand, the pull-out prevention lever 30 has a pair of claw members 33 whose toes 33a extend obliquely upward away from the bill insertion slot 2, and a hook groove 34 is formed above the claw members 33. Have been. These pawl members 33 are integrally connected by a connecting plate 35, and a part thereof is
6 are erected. The first spring 37 is the pivot 3
2, one end of the spring 37 is locked by a spring receiver 36, and the other end is a spring receiving hole 38 formed in the bottom plate 29c of the bracket plate.
Has been inserted. Therefore, the pullout prevention lever 30
The spring is biased in the direction in which the toe 33a protrudes forward, but the maximum protrusion position is such that a part of the stop surface 33b of the claw member 33 is engaged with the stop groove 29d on the bracket plate side. I have.

On the other hand, the hanging prevention lever 31 is
As shown in FIGS. 2 and 6, the bearing eye portions 31a,
31b, which are connected by a connecting plate 31c,
A standing claw 39 having a V-shaped groove 39a protrudes from the connecting plate 31c. The standing claw 39 effectively prevents the lower end of the bill stored in the stacking box 23 from hanging down into the bill passage 5. Further, the second spring 40 is connected to the pivot shaft 3.
2, one end of which is attached to the bottom plate 2 of the bracket plate.
It is inserted into a spring receiving hole 41 formed in 9c, and the other end is hooked on the side surface of the connecting plate 31c. Therefore, the hanging-down prevention lever 31 is spring-biased in the direction in which the standing claw 39 always rises. Further, the eye part 31b
A stopper 42 protrudes from the lower side, and holds the upright position of the upright claw 39.

Next, referring to FIGS. 7 to 10, a description will be given of a mode of preventing fraud in a case where a bill having a tape T stuck to the rear end of a regular bill B is once received and then pulled out due to fraud. In FIG. 7, a regular banknote B having a tape T connected to the rear end of the banknote is inserted in the insertion slot 2 in the same manner as usual.
The bill B is inserted into the bill passage 4 and the bill B is
Is identified as true or false. Then, after the front banknote B advances the inside of the banknote passage 5 by retreating the front end 26A of the shutter plate 26 to the outside of the passage, the claw member 33 of the pullout prevention lever 30 is pressed against the spring force of the first spring 37. It is retracted and introduced into the bill passage 5. Immediately after the trailing end of the bill B has passed the claw member 33 of the pull-out preventing lever 30, and when the bill B reaches the stack position corresponding to the push plate 17, the bill is stopped, and the eccentric cam 21 rotates twice to push. Board 1
7 is reciprocated two times. The push plate 17 compresses the bill B into the compression plate 24.
Is pushed into the collecting box 23. FIG. 8 shows the pushed-in state, and the standing claw 39 is located immediately before the bill B.

Here, as shown in FIG. 9, the wrongdoer inserts the celluloid plate 43 from the insertion slot 2 into the bill passage 4, moves the tip 26A of the shutter plate 26 out of the passage, and further enters. Claw member 33 of lever 30
Is pulled back against the spring force of the first spring 37 to pull out the banknote B, the lower end of the banknote B is caught by the standing claw 39 of the hanging-down prevention lever 31, and the banknote B is reliably prevented from being pulled out. If the wrongdoer tries to forcefully pull out the tape, the tape T will be torn at the pointed tip of the standing nail 39. In addition, even if the bill B tries to get over the standing claw 39 of the hanging prevention lever 31 and be pulled back into the bill passage 5, the end of the bill B is inserted into the hook groove 34 of the pullout prevention lever 30 as shown in FIG. 10. The bill B is prevented from being caught and pulled out.

[0014]

As is apparent from the above description, according to the present invention, a pull-out preventing lever and a hanging preventing lever which moves independently of the bill passage are provided in the bill passage, so that a tape inserted from the insertion slot is provided. Even after the normal banknotes are once stored in the stacking box, even if a thin plastic plate is inserted to pull out the banknotes and the claw member of the pullout prevention lever retreats, the vertical claws of the hanging prevention lever will catch on the end of the banknote. In addition, the bill can be reliably prevented from being pulled out to the outside.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing one embodiment of a bill processing apparatus to which the present invention is applied.

FIG. 2 is a perspective view showing a pull-out preventing device which is a main part of the present invention.

FIG. 3 is a front view of the pull-out preventing device.

FIG. 4 is a plan view of the pull-out preventing device.

FIG. 5 is a transverse sectional view taken along the line EE in FIG. 3;

FIG. 6 is a perspective view showing a hanging prevention lever.

FIG. 7 is a sectional view in which a bill with a tape is inserted.

FIG. 8 is a cross-sectional view showing a state immediately after a bill is stored in a bill storage box.

FIG. 9 is a sectional view showing a state where a celluloid plate is inserted.

FIG. 10 is a sectional view showing a state immediately after a bill is pulled out.

[Explanation of symbols]

 28 Anti-extraction device 30 Anti-extraction lever 31 Anti-hanging lever 32 Pivot shaft 33 Claw member 37 First spring 40 Second spring

Claims (1)

(57) [Claims] 1. A bill processing device for discriminating whether a bill inserted from an insertion slot is true or false and stacking only a true bill through a bill passage in a bill accumulation box, wherein a pull-out preventing device is installed on the bill passage. The pull-out preventing device includes a bracket formed by integrally connecting a pair of mounting flanges and a side bearing with a bottom plate, a pivot shaft supported between the side bearings of the bracket, and a pivot shaft. A pull-out prevention lever pivotally supported so as to be rotatable about an axis and projecting a pair of claws obliquely forward and the maximum protruding position of which is regulated by the bottom plate, and a pull-out prevention lever in a direction in which the claws of the pull-out prevention lever protrude. A first spring that is biased, a hanging prevention lever having a standing claw pivotally supported around the pivot to prevent the bill from hanging, and preventing the hanging prevention lever from being pulled out Second to spring biasing in the same direction as the bar
A device for preventing the withdrawal of bills and the like comprising a spring.