JP2781085B2 - 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 reader for reading a mark, a hole, or a magnetic record recorded on a card as a signal, and more particularly to a card reader for reading a long card mark or the like. is there.

[0002]

2. Description of the Related Art As a data input device such as a control device such as a program timer, a card reader described in Japanese Patent Application Laid-Open No. 57-45686 and a Japanese Utility Model Application Laid-Open No.
No. 8820 discloses a card reader. However, these are divided into a card insertion slot and a card slot provided in the main body of the apparatus and a card guide formed in the card reader block, and the card insertion slot and the card slot and an entrance of the card guide of the card reader block. Misalignment may occur at the fitting portion between the portion and the outlet portion, which may cause problems such as the inability to insert the card and the stoppage of the card being conveyed.

In addition, the card guide of the card reader block between the insertion slot on the front surface of the main body to be a card guide and the outlet on the front surface of the main body, and the misalignment of the card insertion portion provided on the main body and the card guide portion of the card extraction opening. In order to provide a means to prevent the card from being inserted, and to ensure that the card can be inserted without any problem even if a misalignment occurs, and to prevent the card from being stopped during transportation, the entrances of the respective guides are located in front of each other. And the guide width of each guide must be wider than the guide width of each preceding guide.

[0004] However, increasing the guide width increases the deflection in the direction parallel to the axial direction of the feed roller shaft.
Poor reading occurs. Further, guides are provided vertically so as to guide the mark writing surface side and the back side of the card, or substantially U-shaped grooves are provided on the left and right to guide.

[0005]

As described above, in the conventional card reader, the occurrence of misalignment between the card insertion slot and the card ejection slot on the front face of the main body, the card guide entrance and exit of the card reader block, and the guide. There is a problem that the width becomes wider than necessary. The present invention has been provided in view of the above points, and eliminates a card displacement at a card insertion slot and a card takeout slot, and also eliminates a card displacement.
One side piece that functions as a regulating plate to eliminate
The number of parts can be reduced to simplify the structure.
The present invention provides a card reader aiming to greatly improve the assemblability .

[0006]

According to the present invention, a card insertion slot for inserting a card and a card exit for taking out the inserted card are formed in a card reader panel, and a flat surface attached to the back side of the card reader panel. A substantially U-shaped card reader base is formed, and positioning grooves into which the front ends of the side pieces of the card reader base are inserted are formed on both sides of the back of the card reader panel. A card transport path between the base and the card is used.
Both side pieces of the card reader base formed in the mold is obtained by the regulating plate to eliminate lateral displacement of the card.

Further, a bearing for supporting one of the feed roller shafts of the feed roller block is formed on one side piece of the card reader base, and a relief hole through which a part of the feed roller block passes through the other side piece. A feed roller is provided on the wheel train substrate of the wheel train substrate block which has a plane wider than the relief hole, transmits rotation from the motor to the feed roller block, and is fixed to the other side piece of the card reader base. A bearing for supporting the other shaft is formed.

Further, a positioning portion for fixing the train wheel substrate is provided on the card reader base and the train wheel substrate so that the feed roller shaft is always perpendicular to both side pieces of the card reader base.

[0009]

A positioning groove into which the front end of the side piece of the card reader base is inserted is formed on both sides of the back of the card reader panel, and the card is inserted between the card reader panel and the card reader base. It is formed in a U-shape in plan view as a transport path
By both side pieces of the card reader base in which a regulation plate to eliminate lateral displacement of the card, it is possible to position restriction in the lateral direction of the card over substantially the entire length of the card transport path, Ya card insertion slot It is possible to eliminate misalignment at the card removal slot and to eliminate misalignment of the card in the horizontal direction.
The two pieces that function as a control plate can be composed of one part
Simplification of the structure by reducing the number of parts
Can be .

In addition, since the feed roller shaft is held by the bearing of one side piece of the card reader base and the bearing formed on the other side piece, the mark readability is improved with a simple structure.
A card reader with good assemblability can be provided. Furthermore, by providing a positioning portion on the card reader base and the train wheel substrate to which the train wheel substrate is fixed so that the feed roller shaft is always perpendicular to both side pieces of the card reader base, the rotation shaft of the feed roller shaft is provided. Can be easily determined, the feed roller shaft rotates smoothly, and a card reader with good assemblability can be provided.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 4 is a perspective view of a card-type program timer using the card reader of the present invention. The main body 1 of the card-type program timer can be attached to a rack by attaching a rack mount 2.

An opening is provided on the front surface of the main body 1 so that the card reader panel 3 is fitted therein.
The card reader panel 3 may be formed integrally with a panel on the front of the main body 1. The card 4 is inserted through a card insertion slot 5 provided at an upper part of the card reader panel 3 and comes out from a card outlet 6 at a lower part. As will be described later, when the card 4 is inserted from the card slot 5, the program timer of this embodiment detects the card 4 by a sensor, the motor starts rotating, the card 4 starts to be fed, and the mark written on the card 4 Is read and stored as a program.

The sensor detects that the card 4 has passed, stops the rotation of the motor, and stops the card 4. The stopped card 4 is curved by a guide formed on the card reader panel 3 and a curved guide provided on the card reader block, and is held without being ejected by the elasticity of the card 4. After the card reading is completed, the card 4 is stored in the card storage drawer 7 and stored. On the front panel 8 of the main body 1, a time display section 9,
There are other operation buttons, switch knob openings,
The display can be visually recognized and switches can be operated.

FIG. 1 is an exploded perspective view of a card reader.
As described above, the card insertion slot 5 is provided in the upper part of the card reader panel 3, and the card outlet 6 is provided in the lower part. A fixing piece 10 is integrally provided on the upper surface of the card reader panel 3 and is screwed and fixed to the main body 1 by a fixing screw 11. Bosses 1 are provided on both sides of the card reader panel 3.
2, the boss 12 has a screw hole 12a.
(FIG. 3) is provided. The card reader base 13 mounted on the back side of the card reader panel 3 is formed in a U-shape, and mounting pieces 14 are provided above and below the side pieces 13a and 13b.
Are cut and raised. The card reader base 13 is attached to the card reader panel 3 by screwing the screw 15 into the screw hole 12a of the boss 12 through the hole of the attachment piece 14.

The card guide 16 screwed to the inner surface of the card reader base 13 is bent in a substantially semicircular shape, and the mounting piece 17 is cut and raised. Then, the fixing screw 18 is inserted into the hole of the mounting piece 17 to insert the card reader base 1.
The card guide 16 is attached to the card reader base 13 by being screwed into the third screw hole 19. Although the card reader panel 3 is a separate component from the front panel 8 of the main body 1, the front panel 8 of the main body 1 may be provided with a card insertion slot 5 provided in the card reader panel 3.

On the back of the card reader panel 3,
A large number of guide ribs 20 having a curved shape facing the curved surface of the card guide 16 are integrally arranged as shown in FIGS. The card insertion slot 5 is located above the guide rib 20, and the card ejection slot 6 is located below the guide rib 20. Further, a notch portion 22 for escape of the feed roller block 21 is formed in a central portion of each guide rib 20.

The card guide 16 has a smooth curved surface so as to form a card transport path from the card insertion slot 5 of the card reader panel 3 to the card outlet 6. Also, the sensor cap 23 and the card holding spring 2
A plurality of openings 25 are provided in the card guide 16 so that the card 4 can directly face or contact the card 4. Further, a groove 2 is formed on the inner surface of the card guide 16 along the transport direction so that the mark written on the card 4 does not contact the card guide surface.
6 are formed in a plurality of lines. The groove 26 minimizes the contact between the mark and the card guide 16 as much as possible.

The card 4 bends when the tip of the card 4 reaches the opening 25 at the card outlet side of the opening 25 for the sensor cap 23 and the card pressing spring 24. A card rake portion 27 is formed by bending a part of the card guide 16 so that the end of the card 4 is scooped up at the end on the side. A card guide 16, a train wheel block 28, a card pressing spring 24, a sensor cap 23, and a printed circuit board block 29 are fixed to a card reader base 13 formed in a substantially U-shape in plan view . A bearing 31 of a feed roller shaft 30 of the feed roller block 21 is formed on one side piece 13a of the card reader base 13, and an opening 32 for mounting the feed roller block 21 is formed on the other side piece 13b. It is set up.

The card guide 16 is provided on the card reader base 1.
3 is fixed inside. Therefore, the transport path of the card 4 is
A card insertion slot 5 formed in the card reader panel 3,
Guide rib 2 formed on the back side of card reader panel 3
0, the curved surface of the card guide 16 and the card reader base 1
3 is formed by the inner surfaces of both side pieces 13a and 13b and the card outlet 6 of the card reader panel 3. Therefore, the position of the card 4 in the horizontal direction is regulated by the inner surfaces of the both side pieces 13a and 13b of the card reader base 13, and the displacement at the card insertion slot 5 and the card ejection slot 6 can be eliminated.
Incidentally, both side pieces 13a and 13b of the card reader base 13 constitute a regulating plate for eliminating the lateral displacement of the card 4.

The card pressing spring 24 is fixed to the back of the card reader base 13 with screws 33, and the spring piece 24a of the pressing spring 24 bent in a substantially rectangular shape is used as the card reader base 1.
3, the opening 25 of the card guide 16 through the opening 34
It is located in. The sensor cap 23 is also fixed to the back of the card reader base 13. Wheel train board block 2 arranged and fixed on side piece 13b of card reader base 13
Reference numeral 8 denotes a train wheel substrate 35, a motor 36 fixed to the train wheel substrate 35, a gear train 37, and the like. A gear train 38 that supports the gear train 37 and a bearing 40 of the feed roller shaft 30 of the feed roller block 21 are formed on the wheel train substrate 35.

One side piece 13a of the card reader base 13
Bearing 31 of the feed roller shaft 30 formed in the
Positioning portions (not shown) are provided on the card reader base 13 and the train wheel substrate 35 so that the bearings 40 of the fifth feed roller shaft 30 are arranged on the same straight line. In other words, the feed roller shaft 30 must be positioned on both sides 13a, 1a of the card reader base 13.
In order to attach the train wheel substrate 35 to the side piece 13b so as to be perpendicular to 3b, a positioning projection is protruded from the side piece 13b, and a hole is formed in the train wheel substrate 35 to fit the projection. Is what it is.

The card holding spring 24 and the card reader base 1 are positioned so that the position of the card holding spring 24 is determined.
3 are provided with positioning portions (not shown). The printed board block 27 includes a printed board 41, a mark sensor base 42, a mark sensor 43, an electronic circuit for performing signal processing, and the like. A mark sensor base 42 is provided on one surface of the printed circuit board 41 in order to make the distance between the mark sensor 43 and the card 4 appropriate. Electronic components constituting an electronic circuit are mounted on the other surface of the printed board 41.

The mounting pieces 4 are provided above and below the card reader base 13.
4 is formed by cutting and raising, and a screw 45 is screwed into a screw hole of the mounting piece 44 so that the printed circuit board block 29 is formed.
Is fixed. Feed roller block 2
Reference numeral 1 denotes a feed roller shaft 30, a plurality of feed rollers 46 mounted on the feed roller shaft 30, a retaining ring 47 including an E-ring mounted on an end of the feed roller shaft 30 and stopping the feed roller 46, and the like. It is configured. Also, the feed roller 4
A groove is formed on the peripheral surface of the O-ring 4.
8 is attached.

The feed roller block 21 is disposed inside the card guide 16. Also, feed roller block 2
To mount the card reader base 13, the card guide 16 is fixed to the card reader base 13, and then the gear mounting side of the feed roller block 21 is inserted into the opening 32 of the card reader base 13 from the inside. Bearing 31 of side piece 13a
, One end of the feed roller shaft 30 is inserted. The opening 32 forms a relief hole when the feed roller block 21 is assembled.

Then, the other end of the feed roller shaft 30 is inserted into the bearing 40 of the train wheel substrate 35, and the train wheel substrate block 28 is fixed to the card reader base 13 to complete the process. Here, the O-ring 48 of the feed roller block 21 and the spring piece 24a of the card pressing spring 24 are arranged to face each other. FIG. 2 shows a sectional view of the card reader. The program card 4 is inserted from the card insertion slot 5 with the mark entry side facing up. Card 4 is card guide 1
6 and guide rib 2 formed on card reader panel 3
While being curved by 0, the O-ring 48 of the feed roller block 21 and the spring piece 24a of the card pressing spring 24 reach near the part where they face each other.

Further, when the card 4 is inserted, the card pressing spring 24 is pushed up and moves toward the card outlet 6. The detection of the card 4 is performed by arranging a sensor (not shown) for detecting the card 4 at a position slightly closer to the card insertion slot 5 than the position of the normal mark sensor 43. Therefore, when the card 4 reaches near the portion where the O-ring 48 and the spring piece 24a of the card pressing spring 24 face each other, the motor 36 starts rotating and the card 4 is conveyed. A point where the O-ring 48 of the feed roller block 21 and the spring piece 24a of the card pressing spring 24 come into contact with each other;
The mark reading opening of the sensor cap 23 is arranged on a plane including the center line of the feed roller shaft 30.

Therefore, the card 4 at the mark reading position
And the readability of the mark is greatly improved. In particular, the deflection near the front end and the rear end of the card 4 is small. Furthermore, the tip of the sensor cap 23 (the portion including the mark reading opening) is positioned closer to the mark sensor 43 than the surface on which the card pressing spring 24 has pressed the card 4. The tip of the sensor cap 23 does not come into contact.

The card 36 detects the motor 36
Rotates and the card 4 is conveyed, and when the rear end of the card 4 passes the position of the card detection sensor, the rotation of the motor 36 stops. The card 4 has a guide rib 20 of the card reader panel 3 and a card guide 16 due to the elasticity of the card 4.
Stop at the curved transport path. FIG. 3 is a perspective view of the card reader, and is a perspective view of a block in which the printed circuit board block 29 is attached to the card reader base 13 as viewed from the printed circuit board block 29 side before being incorporated into the card reader panel 3.

The side pieces 13 on both sides of the card reader base 13
The inner surfaces of the card reader base 13 are formed in parallel, and the tip portions of the side pieces 13a and 13b of the card reader base 13 are fitted into grooves 49 formed on both sides of the card reader panel 3. . The groove 49 is opened at the positions of the card insertion slot 5 and the card outlet 6, and the inside of the parallel surface of the side pieces 13a and 13b of the card reader base 13 is exposed to form a card guide surface. . Except for the width of the card insertion slot 5 and the card slot 6, the width of the card guide 16 is
It is determined by the dimension of the root of the parallel surface of the groove 49 and the side pieces 13a and 13b.

As described above, the card insertion slot 5 and the card 4
Roller shaft 30 of the feed roller block 21 for transporting
Planes parallel to each other, that is, the card reader base 13
Surface of both side pieces 13a, 13b of the guide rib 20
A card conveying path is formed by the card guide 16 curved to face the guide rib 20 and the card outlet 6, so that the guide rib 20 serves as an inner guide, and the curved surface of the card guide 16 serves as an outer guide. Roller block 2
Card reader bases 1 parallel to each other
By guiding both sides of the card 4 with the surfaces of the both side pieces 13a and 13b, it is possible to prevent the card from being unable to be inserted or to stop the card during transportation, and to configure the transportation path of the card 4 with a small number of parts. As a result, deviation of the card guide entrance and exit can be eliminated, and the guide width can be minimized. Except for the train wheel board block 28,
Since it is assembled in a direction perpendicular to the surface of the printed board 41, the assemblability is greatly improved.

[0031]

As described above, according to the present invention, a card insertion slot for inserting a card and a card exit for taking out the inserted card are formed in a card reader panel, and a flat surface attached to the back side of the card reader panel. A substantially U-shaped card reader base is formed, and positioning grooves into which the front ends of the side pieces of the card reader base are inserted are formed on both sides of the back of the card reader panel. Card transport path between base and approximately U-shape in plan view
Both side pieces of the card reader base being formed from those obtained by the regulating plate to eliminate the lateral deviation of the card, a groove for positioning the front end portion of the card reader base side pieces are inserted Formed on both sides of the back of the card reader panel, the card transport path between the card reader panel and the card reader base, and the side piece of the card reader base as a regulating plate that eliminates the lateral displacement of the card In addition, the position of the card in the horizontal direction can be regulated over substantially the entire length of the card transport path, and the displacement at the card insertion slot and the card takeout slot can be eliminated . In addition, the card reader base is
The horizontal misalignment of the card
One side part that functions as a regulating plate
To simplify the structure by reducing the number of parts.
And thus greatly improve the assemblability.
It has an effect that can be done .

Further, a bearing for supporting one of the feed roller shafts of the feed roller block is formed on one side piece of the card reader base, and a relief hole through which a part of the feed roller block passes through the other side piece. A feed roller is provided on the wheel train substrate of the wheel train substrate block which has a plane wider than the relief hole, transmits rotation from the motor to the feed roller block, and is fixed to the other side piece of the card reader base. Since the bearing for supporting the other of the shafts is formed, the feed roller shaft can be easily held by holding the bearing of one side piece of the card reader base and the bearing formed on the other side piece. It is possible to provide a card reader having a good mark readability and a good assemblability due to its structure.

Further, a positioning portion for fixing the train wheel substrate to the card reader base and the train wheel substrate so that the feed roller shaft is always perpendicular to both side pieces of the card reader base is provided. Can be easily determined, the feed roller shaft rotates smoothly, and a card reader with good assemblability can be provided.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of an entire card reader according to an embodiment of the present invention.

FIG. 2 is a sectional view of a card reader.

FIG. 3 is a perspective view before a card reader base is incorporated into a card reader panel.

FIG. 4 is a perspective view of a program timer.

[Explanation of symbols]

 3 Card Reader Panel 4 Card 5 Card Insertion Slot 6 Card Removal 13 Card Reader Base 13a Side Piece 13b Side Piece 16 Card Guide 20 Guide Rib 21 Feed Roller Block 29 Printed Circuit Board Block 30 Feed Roller Shaft 31 Bearing 35 Wheel Train Board 36 Motor 40 bearing

Claims (3)

(57) [Claims] 1. A form a card outlet of card inserted to the card insertion slot for inserting the card is taken out to the card reader panel, in plan view substantially C-shaped attached to the back side of the card reader panel card reader A base is formed, and positioning grooves for inserting the front ends of the side pieces of the card reader base are formed on both sides of the back of the card reader panel, and the card is conveyed between the card reader panel and the card reader base. and road, a card reader, characterized in that the regulating plate to eliminate the car <br/> Dorida base of deviation in the lateral direction of the both side pieces card which is formed in plan view substantially C-shaped. 2. A relief hole formed on one side of the card reader base to support one of the feed roller shafts of the feed roller block, and a relief hole through which a part of the feed roller block passes through the other side. A feed roller is provided on the wheel train substrate of the wheel train substrate block which has a plane wider than the relief hole, transmits rotation from the motor to the feed roller block, and is fixed to the other side piece of the card reader base. The card reader according to claim 1, wherein a bearing for supporting the other of the shafts is formed. 3. The card reader base and the wheel train substrate are provided with positioning portions for fixing the train wheel substrate so that the feed roller shaft is always perpendicular to both side pieces of the card reader base. Item 2. The card reader according to Item 2.