JP2829484B2 - 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 and writing magnetic information by carrying various magnetic cards, and more particularly to a method for replacing a magnetic head.

[0002]

2. Description of the Related Art As is well known, this type of card reader includes a magnetic head for reading and writing magnetic information on the card, a pinch roller for pressing the card against the magnetic head in contact with the magnetic head, and conveying the card. There are provided components such as a transport roller, a transport belt, and a motor, which are transport means. These components are mounted on a frame having a U-shaped cross section having a pair of opposed side plates forming both side surfaces of the card transport path with the respective components being positioned and mounted to constitute a card reader unit. I have.

[0003]

However, the conventional card reader described above has a structure in which each component is mounted on one frame. However, there has been a problem that the other components become obstacles, and it is not easy to remove and assemble the magnetic head, and the work of adjusting the magnetic head that has been replaced and attached is extremely troublesome because the other components hinder the adjustment work. Therefore, conventionally, every card reader unit is frequently replaced, but there is a disadvantage that the cost is increased from the viewpoint of economy.

Accordingly, the present invention has been made in view of the above-mentioned conventional problems or disadvantages, and it is an object of the present invention to provide a card reader which is easy to maintain and is excellent in economy. .

[0005]

In order to achieve the above object, a card reader according to the present invention comprises a card reader, comprising a pair of side plates which are opposed to each other and form the card transport path for guiding both side edges of the card. One side plate, which abuts one side edge and serves as a reference surface for the magnetic head, is detachably attached to the other side plate, and a magnetic head unit and a pinch roller are attached to the one side plate. The head unit is detachable from the one side plate via positioning means.

[0006]

According to the present invention, one side plate is detached from the other side plate, the magnetic head unit is detached from the one side plate, and the pre-adjusted magnetic head unit is attached to the one side plate via the positioning means. Be replaced.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. 1 is a perspective view of a main part of a card reader according to the present invention to which a magnetic head is attached, FIG. 2 is a rear view, FIG. 3 is a plan view, and FIG. 4 is a plan view of the card reader according to the present invention. is there. In these figures, a card reader indicated by reference numeral 1 is provided with a base 2 made of a synthetic resin, and opposed to side plates 3, 4, and 5 with a space substantially equal to the width of the card C. Is erected.
The side plate 3 and the side plate 5 are both fixed from the back side of the base 2 by screws (not shown), and it is difficult to remove the card reader 1 from the base 2 when the card reader 1 is mounted as a card reader unit in another apparatus main body. Becomes

On the other hand, the side plate 4 is fixed to the base 2 by screws 10.
Of the stud 6 implanted in the side plate 3 and fixed by screws 8. By loosening these screws 8 and 10, the side plate 3
Is configured so that the card reader 1 can be removed from the base 2 while the card reader 1 is attached to the apparatus main body. The side plate 4 is also fixed to the side plate 3 with screws 9 via studs 7. These side plates 3, 4, and 5 constitute both end portions of a card transport path 28, which will be described later, and are not shown. However, a card C is pressed against the side plate 3 toward the side plates 4 and 5. A side force mechanism is provided, and the side plates 4 and 5 constitute a reference surface in the width direction of the card C. Reference numeral 11 denotes a card insertion member, which is attached to the distal ends of the side plates 3 and 4 by screws 12.

Reference numeral 14 denotes a card conveying means, which rotates the motor (not shown) by rotating the motor pulley 1.
5, shaft 18 via belt 16 and pulley 17
Is transmitted to a driving side belt (not shown) which is in contact with a driven side conveyance belt 20 stretched between pulleys 19 supported on the side plate 3, and the card C is sandwiched by these two belts. Conveyed. Reference numeral 22 denotes a conventionally known punch mechanism, which punches a small hole in the card C in accordance with magnetic information written on the card C by a magnetic head 41 described later. The rotation of the motor described above is performed by the shaft 18, the gear 2,
It is also transmitted to the rubber roller 25 via 3 and 24.

A pair of guide plates 26 and 27 are disposed on the side plate 4 with a slight gap therebetween in opposition to the screws 8 (the screws for mounting the guide plates 27 are not shown).
A card transport path 28 is formed by the gaps 6 and 27. A window 26a is formed in the guide plate 26, and a pinch roller 30 is rotatably supported by the side plate 4 in the window 26a. A magnetic head (not shown) that is in contact with the pinch roller 30 across the card transport path 28 is provided on the guide plate 27 side. Reference numerals 32 and 32 denote other pinch rollers. The pinch roller 32 is rotatably supported directly on the side plate 4, and the pinch roller 33 is rotatably supported on a support plate 34 attached to the side plate 4 via studs.

A screw insertion hole 35 and a pair of positioning holes 36 sandwiching the screw insertion hole 35 are formed in the side plate 4 at a position facing the pinch roller 32 with the card transport path 28 interposed therebetween. Reference numeral 40 denotes a magnetic head unit, which includes a pair of magnetic heads 41 and a bracket 42 having a U-shaped cross section for fixing the magnetic heads 41.
The magnetic head 41 is fixed to the pinch roller 3 by a plurality of adjustment screws 43.
The positions and azimuth angles of the members 2 and 33 are adjusted, and fixed to the bracket 42 via an adhesive. A screw hole 44 and a pair of dowels 45 protruding from the screw hole 44 are provided on the bottom surface of the bracket 42. Magnetic head 4
1 is that the dowel 45 of the bracket 42 is fitted into the positioning hole 36 of the side plate 4, and the screw 37 is inserted through the screw insertion hole 35 and screwed into the screw hole 44, thereby forming the pinch roller 3.
2, 33. Note that guide plates 47 and 48 are attached to the side plate 3 so as to face the guide plates 26 and 27, and together with the guide plates 26 and 27, form a card transport path 28.

In such a configuration, when the card C inserted from the insertion slot of the card insertion slot member 11 is detected, the motor is rotated, the card conveying means 14 is activated, and the belt 20 is run. The card C is taken into the apparatus and transported. On the card C, a magnetic head 41 or the like is used.
Magnetic information is written, and a small hole is formed in accordance with the magnetic information written by the punch mechanism 22.
Is returned from the card insertion port of the card insertion member 11 again.

In order to replace the magnetic head 41, which is a consumable part, the screw 12 is first loosened and the input port member 1 is replaced.
1 is removed from both side plates 3 and 4, and screws 8 and 10 are loosened to remove side plate 4 from base 2. Next, the screw 37 is loosened and the magnetic head unit 40 is removed from the side plate 4. Thereafter, the spare magnetic head unit 40, which has been previously adjusted in position with the pinch rollers 32 and 33 and azimuth adjusted with the dummy side plate configured under the same conditions as the side plate 4, is set in the dowel 45 of the bracket 42 in the positioning hole 36. The bracket 42 is fixed to the side plate 4 by the fitting screw 37 so as to be brought into contact with the pinch rollers 32 and 33. And
Again, the side plate 4 is attached to the base 2 with the screws 8 and 10 so as to face the side plate 3.

As described above, since the side plate 4 serving as the reference surface of the card C can be removed from the side plate 3, maintenance and inspection of the magnetic head 41 becomes easy, and the dowel 45 of the magnetic head unit 40 is attached to the side plate 4. Since the positioning hole 36 is provided as a positioning means for fitting with the magnetic head unit 40, if the magnetic head unit 40 which has been adjusted in advance is attached to the side plate 4, no adjustment is required after the attachment, so that maintenance work can be performed quickly and It can be performed without skill.

[0015]

As described above, according to the present invention, of a pair of side plates which are opposed to each other and form a card conveying path for guiding both side edges of the card, one side edge of the card is in contact with the side plate. One side plate serving as a reference surface for the magnetic head is detachably attached to the other side plate, and the magnetic head unit and the pinch roller are attached to this one side plate. It can be removed from the card reader unit, and the workability of maintenance work is improved. Also, since the magnetic head unit is detachably attached to the side plate via the positioning means, the spare magnetic head unit adjusted in advance by the dummy side plate or the like can be adjusted by attaching to the side plate via the positioning means. Since it is not necessary at all, the replacement work of the magnetic head can be performed in a very short time without skill, and only the magnetic head unit needs to be replaced, which is excellent in economy.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part of a card reader according to the present invention.

FIG. 2 is a rear view of a main part of the card reader according to the present invention.

FIG. 3 is a plan view of a main part of the card reader according to the present invention.

FIG. 4 is a plan view of a card reader according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Card reader 2 Base 3,4,5 Side plate 6,7 Stud 14 Conveying means 20 Conveying belt of driven side 26,27 Guide plate 28 Card conveying path 30,32,33 Pinch roller 35 Screw insertion hole 36 Positioning hole 40 Magnetic head Unit 41 Magnetic head 42 Bracket 44 Screw hole 45 Dowel

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. ⁶ , DB name) G11B 5/50 G11B 17/34 G11B 17/00

Claims (1)

(57) [Claims] 1. A card reader for reading and writing magnetic information on a card conveyed in a card conveying path by a magnetic head, comprising a pair of side plates which are opposed to each other and form the card conveying path for guiding both side edges of the card. Of the card, one side edge of which is in contact with the magnetic head and serves as a reference surface for the magnetic head is removably attached to the other side plate, and the magnetic head unit and the pinch roller are attached to the one side plate. A card reader, wherein the magnetic head unit is detachable from the one side plate via a positioning means.