JPH064466B2 - Card carrier - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application] The present invention relates to a card carrier for carrying a card between two positions.

<Prior Art> Conventionally, for example, reading of a card as an information storage medium having an information storage means of optical, magnetic, electronic, physical, or other form including an IC storage card having an IC storage element built-in Alternatively, in a card reader / writer for writing, there are various types of devices for conveying a card. For example, as proposed in Japanese Patent Application No. 63-166099 by the same applicant, a round belt is wound around a drive pulley and a driven pulley, and a driven pulley and a guide roller provided at an inclination convey a card. There is one in which a card is sandwiched and conveyed between a linear portion of a belt that is guided so as to project toward a surface and an opposed driven roller that is elastically urged by a spring member.

According to the above structure, when the card is inserted, the card is conveyed toward the information transfer position by using the linear portion of the belt which is unwound from the driven pulley and wound around the drive pulley, and is read or read. After completing writing,
The drive pulley is turned over so that the card can be carried out.

However, when the card is ejected, the belt travels in the direction in which it is unwound from the drive pulley, so due to the frictional resistance of the portion held by the driven pulley and the counter driven roller,
The front side in the running direction of the sandwiched portion of the belt is displaced so as to bulge outward from the inside of the circumferential circuit of the belt. Due to this displacement, the card is conveyed obliquely with respect to the ejection direction, so that the side edge portion of the card collides with the guide portion that guides the side edge portion, the load resistance increases, and the driving efficiency deteriorates. There is a problem.

<Problems to be Solved by the Invention> In view of the problems of the conventional art, a main object of the present invention is to provide a card transport device capable of improving driving efficiency when transporting a card.

[Structure of the Invention] <Means for Solving the Problems> According to the present invention, a card transport device for transporting a card between two positions is provided. A belt that is wound around both a driving pulley and a driven pulley that are movably supported, means for driving the belt in the longitudinal direction, and a part of the linear portion of the belt that faces the conveying surface of the card. The guide means for projecting, and the opposing pressing means facing the projecting portion of the belt in cooperation with the belt to sandwich and convey the card, the linear portion in the vicinity of the driven pulley, The present invention is achieved by providing a card carrying device characterized in that means for suppressing the outward displacement of the belt from the inner side of the circuit is provided.

<Operation> With this configuration, when the belt is driven in the direction in which the belt is unwound from the driving pulley and wound around the driven pulley, the belt is driven near the driven pulley in the straight portion from the inside to the outside of the circumferential circuit of the belt. Occurs, and particularly when a part of the belt is projected by the guide means and the card is sandwiched between the projecting portion and the opposing pressing means and conveyed, the above-mentioned displacement is affected by the guide means. Acceleration can be suppressed, and the linearity of the linear portion of the belt is maintained.

<Embodiment> Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a plan view showing a casing 1 of a card carrier according to the present invention by cutting off an upper surface thereof, and FIG. 2 is a side sectional view taken along line II-II in FIG. Casing 1
Is flat and has a box shape elongated in the axial direction in the left-right direction in FIGS. 1 and 2, and the rear end surface on the left side of the figures is open. At the front end on the right side of the figure of casing 1,
For example, an insertion slot 3 for inserting the magnetic card 2 is provided. The card 2 inserted from the insertion port 3 is designed to pass between the inner surfaces of the top plate 4 and the bottom wall 5 of the casing 1 which face each other. The bottom wall 5 is provided with a guide groove 6 for receiving the card 2 and guiding both side edges of the card 2 in the transport direction.

A drive pulley 7 having the same diameter is provided at a side portion of the guide groove 6 of the bottom wall 5 at a predetermined interval in the card transport direction.
And a driven pulley 8 are provided. A bridge-shaped support plate 11 is provided between both side walls on the rear end side in the casing 1, and a shaft 7a provided on the support plate 11 so as to project downward allows the card 2 carrying surface to be conveyed. A drive pulley 7 is axially supported so as to be rotatable around an axis orthogonal to the. A bridge-shaped support plate 24 is also provided between both side walls of the casing 2 on the insertion opening side.
As shown in the figure, a shaft 8a provided so as to project downward in a portion of the support plate 24 slightly inclined with respect to the card 2 carrying surface is orthogonal to the card 2 carrying direction and A driven pulley 8 is rotatably supported around an axis inclined with respect to the transport surface. A belt 9 made of, for example, a rubber material having a circular cross-sectional shape is wound around both of these pulleys 7 and 8, and a portion 9a of one of the straight sections thereof is arranged along the guide direction of the card 2 and in a guide groove. It is designed to face within 6.

Large-diameter gear 12 coaxially and integrally fixed to the drive pulley
Is provided above the support plate 11, and the large-diameter gear 1 thereof is provided.
2, a flat type motor 14 also fixed to the support plate 11 via an idle gear 13 pivotally supported by the support plate 11.
The drive gear 15 having a small diameter is meshed.

A guide roller 17 is provided above the vicinity of the drive pulley 7 of the linear portion 9 of the belt 9 by a lower end portion of a bracket 16 fixed to the top plate 4 so as to project downward.
Is pivotally supported. The guide roller 17 and the inclination of the driven pulley 8 constitute guide means for causing a part of the straight portion 9a of the belt 9 to project toward the guide conveyance surface side. As shown in FIG. 2, the linear portion 9a of the belt 9 guided by the approaching portion and the guide roller 17 is close to and follows the bottom surface of the guide groove 6 as the conveying surface of the card 2. Has been done.

Further, in the casing 1, guide plates 20 reaching the vicinity of the bracket 16 from the insertion port 3 are fixedly provided so as to cover the upper surfaces of both side wall portions of the guide groove 6 along the transport direction. Both side edges of the card 2 inserted from the insertion slot 3 are received between the guide plates 20 and the bottom surface of the guide groove 6 and positioned in the vertical direction. In the vicinity of the drive pulley 7 side of the lower guide plate 20 in FIG.
A magnetic head 21 for reading / writing information from / to the magnetic tape portion 23 of the card 2 is fixed so as to face the guide groove 6 as shown in FIG. The bottom wall of the groove 6 is provided with a pressing pad 22 that is elastically urged toward the magnetic head 21 by a leaf spring, for example.

The bottom wall side of the guide groove 6 faces the closest part of the driven pulley 8 to the bottom surface of the guide groove 6 and the guide roller 17 so as to face the inside of the casing 1 through the opening formed in the bottom wall. The driven rollers 18 are arranged respectively. The driven roller 18 is supported by a support body 19 made of a leaf spring fixed to the lower surface of the bottom wall 5 and elastically urged toward both ends of the linear portion 9 a of the belt 9.

Further, as shown in FIGS. 1 to 3, the straight line portion 9a
In the vicinity of the driven pulley 8 of the above, a guide roller 25 pivotally supported by a fixed shaft provided so as to project downward on the support plate 24 displaces the belt 9 from the inside to the outside of the circumferential circuit. It is arranged so as to restrain the straight portion 9a.
It is designed to maintain the linearity of.

In the card carrier configured in this way,
When the card 2 is inserted from the insertion slot 3, for example, a sensor (not shown) is activated to rotate the flat motor 1, and the drive pulley 7 is driven in the direction of the arrow in FIG. Then, the front end of the card 2 is elastically held between the linear portion 9a of the belt 9 and the driven roller 18 on the side of the insertion slot 3, so that the card 2 should be conveyed toward the rear end of the casing 1. You can Then, as shown in FIG. 4, the pressing pad 2
Information is read / written by the magnetic head 21 with respect to the magnetic tape portion 23 of the card 2 pressed by the magnetic head 21 by the magnetic head 2.

Further, after reading / writing information, the flat type motor 15 is reversely rotated to return the card 2 toward the insertion slot 3, so that the card 2 can be taken out. At this time,
Since the linear portion 9a of the belt 9 travels so as to be paid out from the driving pulley 7 toward the driven pulley 8, the linear portion 9a is frictionally held by the driven pulley 8 and the counter driven roller 18 to cause the linear portion to travel. The portion of 9a near the driven pulley 8 tries to expand outward from the inside of the circuit of the belt 9. However, as described above, the outward displacement is suppressed by the guide roller 25 and the linearity of the linear portion 9a is maintained, so that the card 2 is not conveyed obliquely with respect to the conveying direction.

[Effects of the Invention] As described above, according to the present invention, when the belt is driven in the direction in which the belt is unwound from the drive pulley and wound around the driven pulley, the belt is conveyed in the vicinity of the driven pulley in the linear portion, particularly the card is conveyed. It is possible to prevent the outward displacement from the inside of the peripheral circuit of the belt due to the influence of the guide means for projecting to the surface side, and the linearity of the linear portion of the belt is maintained, so that the card In addition, it is possible to carry the paper linearly with respect to the carrying direction, and the driving efficiency can be improved due to the reduction of the load resistance at the time of carrying the card.

[Brief description of drawings]

FIG. 1 is a plan view showing a casing of a card carrier according to the present invention by cutting off an upper surface thereof. FIG. 2 is a side sectional view taken along the line II-II in FIG. FIG. 3 is a partial sectional view taken along the line III-III in FIG. FIG. 4 is a partial sectional view taken along the line IV-IV in FIG. 1 ... Casing 2 ... Card 3 ... Insertion port 4 ... Top plate 5 ... Bottom wall 6 ... Guide groove 7 ... Drive pulley 7a ... Shaft 8 ... Followed pulley 8b ... Shaft 9 ... Belt 9a ... Straight part 11 ... Support plate 12 ... Large Radial gear 13 ... idle gear 14 ... flat type motor 15 ... drive gear 16 ... bracket 17 ... guide roller 18 ... driven roller 19 ... support 20 ... guide plate 21 ... magnetic head 22 ... pressing pad 23 ... magnetic tape part 24 ... support Plate 25 ... Guide roller

Claims (1)

[Claims] 1. A card transporting device for transporting a card between two positions, comprising a belt wound around both a drive pulley and a driven pulley which are rotatably pivotally supported at intervals. , Means for driving the belt in the longitudinal direction, guide means for causing a part of a linear portion of the belt to project toward the carrying surface of the card, and the card in cooperation with the belt to carry the card. Therefore, there is provided a facing pressing means facing the protruding portion of the belt, the means for suppressing the outward displacement of the belt from the inner side of the peripheral circuit is disposed in the vicinity of the driven pulley of the linear portion. A card carrier which is characterized in that