JP2694411B2 - Card reader - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a card carrier path of a card reader for reading magnetic information recorded on a magnetic card such as a telephone card, writing information on the magnetic card, and confirming the information.

[0002]

2. Description of the Related Art In recent years, many card carrier paths of this type of card reader have started to be made of synthetic resin because they are lightweight and have the advantage of mass productivity. For example, as shown in FIG. 6, a bottom plate 7 formed in a flat plate shape
1 and both card guide walls 7 standing on both ends of the bottom plate 71
The lower frame 70 composed of 2, 73 is made of synthetic resin. The lower frame 70 has a bottom plate 71.
A card transport path is formed by an upper frame made of synthetic resin (not shown) which is disposed so as to face the above. At the front of the card transport path, a card slot 74
However, in the card insertion direction of the insertion port 74, a shutter mechanism 75 for preventing card erroneous insertion and a punch mechanism 76 are provided, respectively.

Reference numeral 77 denotes a guide wall 7 via a bracket 78.
3 is a drive motor mounted on a rotary shaft having a worm 79 mounted on a rotary shaft. A worm wheel 80 meshes with the worm 79 and is fixed to a shaft 81 rotatably supported by bearings 82, 82. Shaft 81
, A touch roller 84 and a drive roller 85, which are in close contact with the head 83, are fixed and rotate integrally. The transport roller 86 rotatably supported by the bearing 87 and the drive roller 8
A conveyor belt 88 is stretched between the belts 5 and 5. In such a configuration, the card 90 inserted from the card insertion port 74 to the carrying roller 86 is carried into the card carrying path by the carrying belt 88 driven by the rotation drive of the motor 77, and is required by the head 83. Magnetic information is read or written.

[0004]

However, in the conventional card reader in which the card conveying path is formed of the synthetic resin described above, since the thermal expansion coefficient of the synthetic resin is high, high dimensional accuracy is maintained due to changes in temperature and humidity. It is difficult to do, and distortion due to molding distortion is likely to occur, which causes a problem that the reading and writing of magnetic information in the head is adversely affected. Therefore, the present invention has been made in view of the above conventional problems,
The purpose thereof is to provide a card transport path of a card reader in which accurate reading and writing of magnetic information are performed.

[0005]

In order to achieve this object, the card reader according to the present invention is formed in a flat plate shape.
The card carrier wall and both ends of this card carrier wall face each other.
A synthetic tree consisting of a pair of guide walls standing upright
The lower case made of fat and this lower case
Lower case to form a card transport path together with
It is made of synthetic resin and is placed facing the card carrier wall.
Upper case and the motor that is the drive source for card transportation.
And a head that processes the information recorded on the card.
Is installed so as to face the head of
The touch roller that is transmitted and the rotation of the motor are transmitted.
Card composed of a transport roller for transporting the card
In the leader, a pair of guide walls of the lower case
One having a pair of opposed facing portions forming a part
Provide a metal bracket and attach the bracket to the
The positioning of the head roller and head.
The touch roller, head, motor and
And transport rollers are attached to make a unit.
The head, touch roller and transport roller are
It is attached to the lower case so as to face the card transport path .

[0006]

According to the present invention, the motor and the conveyor belt, which are the driving section, the head and the touch roller, which are the reading section, are unitized, and the bracket to which they are attached is made of metal , and the card is attached to the bracket. Since a pair of facing surface parts that constitute a part of both side walls of the transport path are provided, the shrinkage due to thermal expansion is small even when the temperature and humidity change, so that the shape change of the card transport path is small and the reading section and the card are small. The positional relationship of is accurate.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 is a perspective view of a card transport path of a card reader according to the present invention, FIG. 2 is a plan sectional view of the same, and FIG. 3 is III-II of FIG.
A sectional view taken along the line I, FIG. 4 is an exploded perspective view of the same main portion, and FIG. 5 is a front sectional view of the same main portion. In these figures, reference numeral 2 is a lower frame entirely made of synthetic resin, and is a card carrier wall 3 formed in a flat plate shape and elongated in front and rear, and standing on both sides of the card carrier wall 3. Two pairs of front and rear card guide walls 4, 4 and 5, 5 provided, and a mounting base portion 6 formed on the front surface of the front card guide walls 4, 4.
6 and a mounting table 7, 8 projectingly formed in the center of the side surface of the card transport wall 3, a plurality of bosses 2a, 2b having different heights are projectingly formed on the upper and lower surfaces of the lower frame 2. Has been done. The mounting table portions 7 and 8 are provided with positioning dowels 7a and 8a and screw holes (not shown).

A plurality of ribs 3a are provided on the carrying wall surface of the card carrying wall 3, and a punch mechanism 9 is provided on one side of the front surface of the card carrying wall 3. The mounting part 6
A front upper frame 13 and a loading port cover 14 are fastened together above and below, and a card transport path 17 is formed by the front upper frame 13, the card transport wall 3, and the front guide walls 4 and 4. There is. The card transport path 17 has a card insertion slot 16 at the front end, and the rear part has a rear upper frame 15, a card transport wall 3, and the rear guide wall 5,
5 and 5. 22 and 22 are a pair of printed circuit boards, and 23 and 23 are covers, which are the bosses 2a and 2a, respectively.
b. A driven roller 25 having an upper portion protruding into the card transport path 17 is rotatably supported by a bearing portion 3b provided on the lower surface of the card transport wall 3 and a plate spring 26.

The transport unit 30 shown in FIG. 4 comprises a shaft 40, a transport belt 45, a drive motor 50, a head 54, and a bracket 31 for integrally mounting these. Bracket 3 1 cross section has the shape of a shape substantially U, motor mounting plate 37 and a pair of side plates 32, 33 and spacers 34, and the pair of mounting plate 35 and the side plate 33 and right angle bent form Consists of. This bracket 30
Is made of a metal whose coefficient of thermal expansion is extremely lower than that of synthetic resin, and the distance L between the side plates 32 and 33 is
The width of the card 20 is substantially the same as that of the card 20.

One side plate 32 has a key-shaped bearing hole 32a.
However, bearing grooves 33a are provided in the other side plate 33 so as to face the bearing holes 32a. Also,
The side plate 33 has a positioning long hole 33b and a mounting hole 33b.
c and are provided. The mounting plate 3 has a mounting hole 3
5a and a slotted elongated slot 35b for positioning are provided. The other mounting plate 36 is provided with a mounting hole (not shown) and a perfect circular positioning hole 36b shown in FIG.

A drive roller 41, touch rollers 42, 42 and a worm wheel 43 are fixed to the shaft 40 so as to rotate integrally, and are rotatably supported in the bearing hole 32a and the bearing groove 33a. Drive roller 4
A conveyor belt 45 is stretched around a conveyor roller 46 that is rotatably supported with respect to 1 and the side plate 32. The drive motor 50 is a motor that rotates in forward and reverse directions and has a worm 51 attached to a rotating shaft. The worm 51 is engaged with the worm wheel 43, and is attached to the attachment plate 37 of the bracket 31 by a screw 52. Fixed.

Reference numeral 54 denotes a magnetic head, which is attached to the bracket 55 by screws 57 which are screwed to both side plates 56, 56 of the magnetic head bracket 55.
While adjusting the position by fitting the dowel 59a of the bottom plate 58 to the
Insert the screw 60 into the mounting hole 33c, and screw hole 59b.
By screwing on, to the head 54, the touch roller 42 is mounted on the bracket 31 so as to Taise'.

The transport unit 30 assembled in this way
Inserts the positioning long holes 35b and the positioning holes 36b of the mounting plates 35 and 36 of the bracket 31 into the dowels 7a and 8a of the mounting table portions 7 and 8 of the lower frame 2, and the side plates 32,
The inner surface of 33 and the front and rear guide walls 4, 4 and 5, 5
And the inner surface of
The two side plates 32 and 33 are fixed to the mounting table portions 7 and 8 by means of 2, so that both side plates 32 and 33 form a part of the guide wall of the card transport path 17. The fixed transport belt 45 of the transport unit 30
Comes into close contact with the driven rollers 25, 25. At the same time, the upper end surface of the head 54 is flush with the surface of the card transport wall 3.

In such a structure, when the card 20 is inserted from the card insertion port 16 and the leading end reaches the conveyor belt 45, a card detection mechanism (not shown) detects the card and sends a signal for rotating the motor 50 in the forward direction. To do. The rotation of the motor 50 is transmitted to the worm 51, the worm wheel 43, and the shaft 40 to rotate the drive roller 41 and drive the conveyor belt 45. The card 20 is taken into the card transport path 17 by the transport belt 45.

At this time, the end portion of one card guide wall 4 and the end portion 3 of one side plate 32 of the adjacent bracket 31.
2b and 2b are adjacent to each other on the same plane, the card 20
Even when the guide of (1) is switched from the card guide wall 4 to the side plate 32, the card 20 is stably transferred without sideways swinging. When the transferred card 20 is positioned on the head 54, the card 20 is attached to the bracket 31 as shown in FIG.
It is guided by the inner surfaces of both side plates 32, 33. When the magnetic information is read, written, and confirmed by the head 54, a signal for reverse rotation is again sent to the motor 50, the card 20 is sent backward in the card transport path 17, and the punch mechanism 9 outputs the required amount of the required information. It is punched and returned from the card entrance 16.

As described above, the drive motor 50, the drive roller 41, the carry roller 46 and the carry belt 45 which form the carrying section are attached to the bracket 31, and the head 54 and the touch roller 42 which form the reading section are also the same bracket. Since it is attached to 31 and unitized,
The number of parts can be significantly reduced, and since the transport unit 30 does not require adjustment after the lower frame 2 is assembled, it is possible to omit the complicated and complicated adjustment after assembly as in the related art. .

The card 20 when positioned on the head 54 is guided by the inner side surfaces of the side plates 32 and 33 of the bracket 31, and the head 54 is also positioned and fixed to the bracket 31. 54 and card 2
Since it is positioned through the same bracket 31 as 0, the card 20 is accurately positioned with respect to the head 54, and reading and writing defects of magnetic information do not occur.

Further, since the bracket 31 is made of a metal and the coefficient of thermal expansion of the metal is extremely low as compared with the synthetic resin forming the lower frame 3 and the upper frames 13 and 15, the change of temperature and humidity is caused. Even with respect to the above, there is little change in shape, the accuracy of accurate positioning of the card 20 and the head 54 is maintained, and since molding distortion does not occur during processing, highly accurate part processing is achieved.

[0019]

According to the present invention as described above, according to the present invention, the conveying rollers for conveying a motor as a drive source of the card transport, the Tatchiro La Contact and card rotation is Taise' the head is transmitted to the motor If, because a unit by attaching a head to one bracket, without requiring a respective mounting bracket or the like, Therefore with a can greatly reduce the number of parts, the unit is set Tatsugo the card transport path Since no adjustment is required, it is possible to omit the complicated and complicated adjustment after the assembly as in the past.

Further, the unitized bracket is provided with a pair of facing surface portions facing each other, which constitutes a part of both side walls which are guide walls of the card, and the bracket is provided with a touch roller and a head roller.
The head and head are mounted so that they are positioned relative to each other.
As a result , the head and the card are positioned through the same bracket, so that the card is accurately positioned with respect to the head, and reading and writing of magnetic information does not occur.

Further, since the bracket is made of metal and the coefficient of thermal expansion of metal is extremely lower than that of synthetic resin, the shape of the bracket does not change much even when the temperature and humidity change, and the shape of the card and head is small. Accurate positioning accuracy is maintained, and since molding distortion does not occur during processing,
Highly accurate part processing is achieved.

[Brief description of the drawings]

FIG. 1 is a perspective view of a card transport path of a card reader according to the present invention.

FIG. 2 is a plan sectional view of a card transport path of a card reader according to the present invention.

FIG. 3 is a sectional view taken along line III-III of FIG. 2;

FIG. 4 is an exploded perspective view of a main part of a card carrying path of the card reader according to the present invention.

FIG. 5 is a front sectional view of a main part of a card transport path of a card reader according to the present invention.

FIG. 6 is a plan view of a card transport path of a conventional card reader.

[Explanation of symbols]

 1 Lower Frame 3 Card Conveying Wall 4 Card Guide Wall 5 Card Guide Wall 7 Mounting Platform 8 Mounting Platform 13 Upper Frame 15 Upper Frame 17 Card Conveying Path 20 Card 30 Conveying Unit 31 Bracket 32 Side Plate 33 Side Plate 35 Placing Plate 36 Placing Mounting plate 41 Drive roller 42 Touch roller 45 Conveyor belt 46 Conveyor roller 50 Drive motor 54 Head 55 Head mounting bracket

Claims (1)

(57) [Claims] 1. A card-carrying wall formed in a flat plate shape and this
Standing upright at opposite ends of the card carrier wall
Made of synthetic resin consisting of a pair of guide walls
The lower case and the card carrying with this lower case
Pair it with the card carrier wall of the lower case to form a feeding path.
Upper case that is placed facing and is made of synthetic resin
And the motor that is the drive source for card transportation and the recording on the card
Contact the head that processes the processed information and this head
And a touch roller for transmitting the rotation of the motor.
And the rotation of the motor is transmitted to carry the card.
In a card reader that is composed of
A pair that forms a part of the pair of guide walls of the lower case
Metal bracket having opposite facing surfaces of
The bracket is provided with the touch roller and the head.
And touch each other so that they are aligned with each other.
Attach the chill roller, head, the motor and the transport roller
To make a unit.
The Chiller and Conveyor Rollers face the card conveyance path.
Car attached to the lower case
Dreader.