JPH021297Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a card transport device that can be used in a card reader device or the like having means for reading signals from a card or writing signals to a card.

Configuration of Conventional Example and Its Problems The card conveyance device and reading mechanism of a conventional card reader will be explained using FIGS. 2 to 4. Worm gear 1 attached to motor 12
3 transmits power to the worm wheel 14, and a one-way clutch 1 transmits power to the card transport device 10 to a shaft 15 to which the worm wheel 14 is attached.
6 and a pulley 17 are attached, and a one-way clutch 18 and a pulley 19 for transmitting power to the reading mechanism 11 are also attached. When the magnetic card is inserted into the card reader, the one-way clutch 16
power is transmitted, the pulley 17 rotates, and the card conveying belt pulley 21a is transferred via the belt 20.
Rotate the card conveyor belt pulleys 21a, 2.
A card conveying belt 22a stretched over 1b rotates. The card is conveyed by sandwiching the card between card conveyance belts 22a and 22b. A detection section (not shown) detects that the card has come to the home position, and the one-way clutch 16 is switched to the one-way clutch 18. Conventionally, the magnetic card transport device, power transmission mechanism, etc. are often provided independently in this way, and the volume of these mechanisms is large compared to the overall volume of the magnetic card reader, making it possible to miniaturize and simplify the magnetic card reader. This could easily become a hindrance to development. In addition, the large number of parts was one of the causes of increased costs, and the assembly work efficiency was also poor.

Purpose of the Invention The present invention is intended to eliminate the above-mentioned conventional drawbacks, and aims to provide a card transport device that can simplify the configuration, improve reliability, and reduce the number of parts.

Structure of the Invention In order to achieve the above object, the card conveyance device of the present invention includes a worm gear attached to the output shaft of the drive motor, a worm wheel that meshes with the worm gear and can come into contact with the card, and a worm wheel that is arranged in the card conveyance direction. A plurality of pressing rollers are rotatably arranged at predetermined intervals shorter than the length of the card in the card transporting direction along the worm wheel to form a card transporting path between the worm wheels; This configuration includes a drive belt made of an elastic body.

DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

In Fig. 1, 1 is a drive motor that can rotate in forward and reverse directions, 2 is a worm gear, 3 is a worm wheel,
4a, 4b are pressure rollers, 5 is a drive belt made of an elastic body, 6 is a feed roller, 7 is a magnetic card, 8
9 is a card insertion slot, 9a and 9b are rotatable pressure roller mounting members that rotatably support the pressure roller, and the rotation axes of the pressure rollers 4a and 4b are aligned with the pressure roller support members 9a and 9b. It is located closer to the magnetic card transport path than the rotation axis. The pressing rollers 4a and 4b are rotatably arranged at a predetermined interval (distance l) shorter than the length of the magnetic card 7 in the card conveying direction along the conveying direction of the arrow A of the magnetic card 7, so that the pressing roller 4a is placed in a worm direction. A card conveying path is formed between the wheel 3 and a worm wheel, and a pressing roller 4
Due to the tensile force of the drive belt 5 stretched between a and 4b, the pressure roller 4a is pressed against the worm wheel 3.
The pressure roller 4b is urged to come into contact with the feed roller 6.

When the magnetic card 7 is inserted from the card insertion slot 8, power is supplied to the drive motor 1 by a detection switch (not shown), and the worm gear 2 attached to the drive motor 1 drives the worm wheel 3 which also serves as a drive feed roller. Decrease the magnetic card transport speed and rotate it. Since the pressing roller 4a is provided at a position facing the worm wheel 3 across the magnetic card transport path, the magnetic card 7 is transported by the worm wheel 3 and the pressing roller 4a. Since the pressure rollers 4a and 4b arranged along the magnetic card conveying direction are interlocked by a drive belt 5 made of an elastic body, one of the pressure rollers 4a
Power is transmitted from there to the other pressing roller 4b.
Since the pressure rollers 4a, 4b are interlocked by a drive belt 5 made of an elastic body, the pressure rollers 4a, 4b
A tensile force is generated between them, and the pressing rollers 4a, 4b have a magnetic card pressing force, so that there is no need for pressing with another elastic member. When the magnetic card 7 is transported to a predetermined position, the power to the drive motor 1 is stopped by a detection switch (not shown). In this manner, when the drive motor 1 stops, the worm wheel 3 does not rotate due to its relationship with the worm gear 2, which is utilized to position the magnetic card 7 and prevent positional displacement.

Magnetic card 7 using a magnetic head (not shown)
After reading or writing is completed, a detection section (not shown) detects whether the magnetic card 7 is a legitimate one or an unauthorized one. If the magnetic card 7 is a regular one, it is ejected toward the card insertion slot 8. If magnetic card 7 is fraudulent, arrow A
transport in the direction. When the magnetic card 7 is sandwiched between the worm wheel 3 and the pressing roller 4a, the magnetic card 7 is conveyed by the frictional force between the magnetic card 7 and the worm wheel 3, and the magnetic card 7 is held between the worm wheel 3 and the pressing roller 4a.
When it is not sandwiched between the worm wheel 3 and the pressing roller 4a, the pressing roller 4a rotates due to the frictional force between the worm wheel 3 and the pressing roller 4a, and the driving force is transmitted to the pressing roller 4b by the drive belt 5. The magnetic card 7 is conveyed by the frictional force between the holding roller 4b and the magnetic card 7, and taken into the magnetic card reader mounting device, and thus the fraudulent magnetic card 7 is recovered.

In this way, the worm wheel 3 can be decelerated to the card transport speed without using a complicated deceleration mechanism due to its relationship with the worm gear 2, and by stopping the power to the drive motor 1, the worm wheel 3 does not rotate and the magnetic It is possible to position the card 7 and prevent it from shifting. Moreover, the pressure roller 4a,
4b are connected by a drive belt 5 made of an elastic body, so that when one pressure roller 4a rotates, rotational force can be transmitted to the other pressure roller.
Furthermore, since the belt is made of an elastic body, a tensile force is generated between the pressure rollers 4a and 4b, and the pressure roller 4
Since a and 4b have a magnetic card pressing force, there is no need to apply pressure using a separate elastic member. It also has a magnetic card retrieval mechanism, so fraudulent magnetic cards can be recovered.

Effects of the invention As explained above, according to the invention, by sharing the card transport, card holding, card fixing, and power transmission mechanisms, the configuration can be greatly simplified and reliability can be improved. This leads to the miniaturization of magnetic card readers. In addition, the number of parts can be significantly reduced, contributing to cost reduction.
It is also very easy to assemble and is advantageous in improving workability.

[Brief explanation of the drawing]

FIG. 1 is a plan view of a card conveying device according to an embodiment of the present invention, FIG. 2 is a schematic front view of a conventional device,
FIG. 3 is a schematic side view of the same, and FIG. 4 is a schematic plan view of the same. 1... Drive motor, 2... Worm gear, 3...
...Worm wheel, 4a, 4b...Press roller, 5...Drive belt, 7...Magnetic card, 9
a, 9b...Press roller support member.

Claims (1)

[Scope of utility model registration request] A worm gear attached to the output shaft of the drive motor, a worm wheel that meshes with the worm gear and can come into contact with the card, and is rotatable along the card transport direction at a predetermined interval shorter than the length of the card in the card transport direction. two pressing rollers, one of which is disposed opposite the worm wheel and forms a card conveyance path between the worm wheel and the worm wheel, and a drive belt made of an elastic body stretched between each of these pressing rollers. , a feed roller provided opposite the other pressure roller across the card conveyance path, each pressure roller being mounted with a pressure roller that is rotatable about an axis parallel to the rotation axis of the pressure roller. A card conveyance device attached to the member and biased by the tension of the drive belt so that one pressure roller abuts the worm wheel and the other pressure roller abuts the feed roller.