JP2750022B2 - 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, in the structure of these rollers, particularly in the feed roller, both ends of a thick round bar are machined to form a rotating shaft serving as a thin center of rotation, and an O-ring between them having a relatively large friction coefficient with respect to paper. Etc. are formed.

[0003] However, forming a thin rotary shaft from a thick round bar requires a long shaving process, and the shaft itself is heavy and the weight of the entire card reader is heavy.

[0004]

As described above, the conventional card reader requires a great deal of time to process the rollers,
In addition, the card reader becomes very heavy, and in the case of a feed roller, there is a problem that a large amount of energy is required for rotation. The present invention has been made in view of the above points, and has as its object to provide a lightweight feed roller that facilitates processing.

[0005]

The present invention SUMMARY OF] includes a card slot for inserting the card, a feed roller block for transporting the inserted card, and a card outlet of the card is taken out, the center of rotation on both sides the axis of the polygon in the thin shaft has an axis of rotation which is a has a square hole to partially mating polygon of the shaft, and the outer periphery is a rotation center coaxial with the shaft circular 且
The feed roller is divided into a plurality of feed rollers divided in the axial direction.
And a feed roller at the end of the rotation shaft of the above shaft.
Roller retaining means and the feed rollers
A groove is provided on the outer circumference, and the coefficient of friction with the card is compared in this groove
A large O-ring is attached .

According to a second aspect of the present invention, each feed roller is mounted.
The O-ring is used to read the mark on the card.
Between the sensor .

[0007]

[0008]

Thus, both sides have a rotating shaft serving as a center of rotation, a thin shaft and a polygonal shaft, a square hole to be fitted with the polygonal portion of this shaft, and a circular outer periphery. A plurality of feed rollers coaxial with the rotation center of the shaft and divided in the axial direction.
Configure the feed roller block, and ease of processing, lightweight 且
A feed roller that fits well with the polygon of the shaft can be easily formed . Also, feed roller at the end of the rotating shaft of the shaft
Of the feed during assembly
The roller is easy to assemble without slipping out.
The feed roller does not move in the axial direction.
Can be prevented. Furthermore, on the outer circumference of each feed roller
A groove is provided around the groove, and the coefficient of friction with the card is relatively large in this groove.
By installing a new O-ring, a lightweight feed roller
Can be configured.

According to the second aspect of the present invention, after being mounted on each feed roller,
Mark sensor that reads the mark on the card with the O-ring
And the same shape feed row
The feed roller block can be constituted by the roller .

[0010]

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 5 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 fitting 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. 2 is an exploded perspective view of the 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. 4) 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,
As shown in FIGS. 2 and 4, a large number of guide ribs 20 having a curved shape facing the curved surface of the card guide 16 are integrally arranged. 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. The card guide 16, the wheel train substrate block 28, and the card pressing spring 2 are provided on the card reader base 13 formed in a substantially U-shape.
4. Sensor cap 23, printed circuit board block 29
Is fixed. 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.

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. Also, the card holding spring 24 is positioned so that the position of the card holding spring 24 is determined.
And a card reader base 13 are provided with a positioning portion (not shown).

The printed board block 27 includes a printed board 41, a mark sensor base 42, a mark sensor 43,
It is composed of an electronic circuit for performing signal processing. 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 will be described later.

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.

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. 3 is 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. 4 is a perspective view of the card reader, and is a perspective view of the 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.

FIG. 1 is a sectional view of a card reader. Although the number of guide ribs 20 of the card reader panel 3 and the number of mark sensors 43 of the printed circuit board block 29 in FIG. 1 and other figures are different, the intention of the invention is the same. FIG. 1 is a sectional view taken along a plane perpendicular to the card reader panel 3 passing through the center line of the feed roller shaft 30. However, the card guide 16 is not shown. Although a plurality of feed rollers 46 are used in FIG. 2, one feed roller 46 is used in FIG. still,
The feed roller 46 may be composed of a plurality of rollers.

As shown in FIG. 1, O-rings 48 are attached to the feed roller 46 at a plurality of positions. The O-rings 48 are opposed to the O-rings 48 and are located between the mark sensors 43 constituting the mark reading section. Further, a spring piece 24a of the presser spring 24 is arranged on the feed roller 46 side from the reading surface of the mark sensor 43. Therefore, the mark sensor 43
The card 4 can be conveyed without soiling the reading surface of the
In this case, the card 4 can be prevented from swinging at the position, and the mark readability can be improved.

Here, on both sides of the feed roller shaft 30, a small-diameter rotary shaft 30a serving as a center of rotation is formed, and a portion for fitting the feed roller 46 is formed in a polygonal shape as shown in FIG. I have. Therefore, the feed roller 46 having a circular outer periphery also has a square hole that can be fitted into the polygon of the feed roller shaft 30.
When the feed roller 46 is fitted to the feed roller shaft 30, the feed roller 46 is coaxial with the rotation center of the rotating shaft 30a.

O-ring 48 mounted on the feed roller 46
Has a relatively large coefficient of friction with respect to the card 4, and has a groove 50 for fitting the retaining ring 47 on the rotating shaft 30a. The groove 50 and the retaining ring 47 composed of the E-ring constitute a retaining means.

[0035]

According to the present invention as described above, includes a card insertion slot for inserting the card, a feed roller block for transporting the inserted card, and a card outlet of the card is taken out, the center of rotation on both sides A polygonal shaft with a thin shaft having a rotating shaft, and a square hole fitted with the polygonal portion of the shaft, and having a circular outer periphery and being coaxial with the rotation center of the shaft; and
The feed roller is divided by a plurality of feed rollers divided in the axial direction.
Constructs a rubber lock, facilitates processing , is lightweight and has many shafts.
A feed roller that fits well with a square shape can be easily formed, and the feed roller is prevented from falling off at the end of the rotating shaft.
Means, the feed roller can be pulled out during assembly.
Easy to assemble without feed rollers during feed roller rotation
The card does not move in the axial direction to prevent the card from shifting in the horizontal direction.
In addition, grooves are provided around the outer circumference of each feed roller,
In this groove, insert an O-ring with a relatively large coefficient of friction with the card.
The mounting has an effect that a lightweight feed roller can be configured.

According to the second aspect of the present invention, after being mounted on each feed roller,
Mark sensor that reads the mark on the card with the O-ring
And the same shape feed row
The feed roller block can be constituted by the roller .

[0037]

[Brief description of the drawings]

FIG. 1 is a sectional view of a card reader according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the entire card reader.

FIG. 3 is a sectional view of a card reader.

FIG. 4 is a perspective view before a card reader base is incorporated into a card reader panel.

FIG. 5 is a perspective view of a program timer.

[Explanation of symbols]

 4 Card 5 Card insertion slot 6 Card removal slot 21 Feed roller block 30 Feed roller shaft 30a Rotating shaft 43 Mark sensor 46 Feed roller 48 O-ring

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) G06K 7/015 G11B 17/00 G11B 19/20

Claims (2)

(57) [Claims] And 1. A card insertion slot for inserting the card, a feed roller block for transporting the inserted card, and a card outlet of the card is taken out, fine has an axis of rotation as the center of rotation on both sides A plurality of shafts each having a polygonal shaft and a square hole fitted with the polygonal portion of the shaft, having a circular outer periphery, being coaxial with the rotation center of the shaft, and divided in the axial direction.
The feed roller block is composed of
Provide a feed roller retaining means at the end of the rotating shaft
And a groove is provided around the outer circumference of each feed roller.
With an O-ring with a relatively large coefficient of friction with the card
A card reader. 2. The O-ring attached to each feed roller is
Position between the mark sensor that reads the mark on the card
Card reader according to claim 1, characterized in that it is.