JPH03224765A - Guide unit for ic card used in printer - Google Patents

Abstract

PURPOSE:To dispense with a spring and lower the cost by a method wherein, an eject button is positioned at a push-in and a protruding position by the aid of a positioning stopper being set unitarily with an IC card guide. CONSTITUTION:An IC card 100 is pushed-in by inserting through an insertion window of connector fixing part 5A through the IC card insertion port 6 passing through the underside of cam 23. By this action, because the tip end of the IC card 100 engages with the engaging part 14a of a lever 14, and said lever 14 is turned pivotally toward the arrow direction, the movable part 5B of the connector is pushed by the engaging part 14b of the lever 14, and advances leftward by the predetermined amount. As the result, the cam 23 which engages with the connector movable part 5B turns pivotally by the predetermined amount to the clockwise direction, and an eject button 22 where a notched part 24 and a projecton piece 22b of the cam 23 engage with each other, moves leftward by the predetermined amount. During this movement, a click 22a engages with a positioning stopper elastically, gets over it, and the button 22 is positioned at the projected position by the function of the positioning stopper 21.

Description

[Detailed Description of the Invention] [Summary] Regarding the IC card guide unit installed in a printer and used, the purpose of reducing the cost of the IC card guide unit is to provide an IC card insertion slot, an eject button that can move forward and backward, and an eject button that can move forward and backward. an IC card guide having a built-in cam; and a memory board integrated with the IC card guide;
When the IC card is inserted into the card insertion slot, the eject button is driven through the cam and positioned at the protruding position. From this state, the IC card can be removed by pushing the eject button and rotating the cam. In the IC card guide unit of the printer, the IC card guide is integrally provided with a positioning stopper that elastically engages with the eject button that moves forward and backward to position the eject button at a pushed-in position and an extended position, respectively. The structure is as follows.

[Industrial Field of Application] The present invention relates to an IC card guide unit that is used by being attached to a printer.

[Prior Art] FIG. 4 is a perspective view showing the appearance of a printer equipped with a conventional IC card guide unit. The IC card guide unit 1 is used by being attached to a predetermined position of the printer 2. The structure and operation of this IC card guide unit 1 are as follows.

The IC card guide unit 1, as shown in FIG.
It is formed by integrating a C card guide 3, a memory board 4, and a connector 5.

The IC card guide 3 includes an IC card insertion slot 6 and an eject button 7, and has a built-in cam 8. The eject button 7 is provided to be movable forward and backward next to the IC card insertion slot, and is connected to the tip of an arm-shaped cam 8 that is rotatably supported via a pin 9 . A spring 10 is provided between the cam 8 and the IC card guide 30, and the eject button 7 is biased in the direction of arrow A by the spring 10 and held in the position shown in FIG.

The memory board 4 has a ROM 121 on the printed board 11.
．． 12□ and a connector 13 for connection to the printer side.

The connector 5 is not shown in detail, but the printed board 11
This is a well-known printer in which a printer movable part is movably supported by a printer fixed part mounted on the printer.

The general structure of the IC card guide unit 1 is as described above, and its function will be explained next.

FIG. 5 shows how the IC card 100 is connected to the IC card guide 3.
The state before the card is inserted into the card insertion slot 6 is shown. When the IC card 100 is inserted into the IC card insertion slot 6 from this state, the IC card enters the connector fixing part of the connector 5.
The card 100 presses one end of a lever (not shown) provided on the connector fixing part, and the connector movable part is pushed by the other end of the lever and moves forward in the opposite direction to the IC card insertion direction, and the tip of the IC card 100 is inserted into the connector. It engages with the terminal 5 and is opened and opened. Due to this movement of the connector movable part, the eject button is driven via the cam 8 that engages with the connector movable part and projects a predetermined amount in the direction of arrow A, completing the IC card mounting. To take out the IC card 100, press the eject button 7. As a result, the connector movable part is driven via the cam 8 and retreats.
The clamp by the terminal of the IC card 100 is released and I
The C card 100 can now be taken out.

[Problem to be solved by the invention]

In the conventional structure described above, a spring IO is provided in order to hold the eject button 7 so that it does not rattle in terms of appearance and function, and this is one of the factors that increases the cost of the IC card guide unit.

The present invention aims to reduce the cost of an IC card guide unit.

[Means to solve the problem]

In order to achieve the above-mentioned object, the present invention includes an IC card guide having an IC card insertion slot and an eject button that can be advanced and retracted, and a built-in cam, and a memory board integrated with the IC card guide. When the IC card is inserted into the IC card insertion slot, the eject button is driven via the cam and positioned at the protruding position, and from this state, by pushing the eject button and rotating the cam, the eject button is inserted into the IC card insertion slot. In an IC card guide unit of a printer from which a card can be taken out, a positioning stopper is provided on the IC card guide to elastically engage with the eject button that moves forward and backward to position the eject button at a pushed-in position and an extended position, respectively. It has a configuration in which it is integrated.

[For production]

When the IC card is inserted into the connector fixing part from the IC card insertion slot when the card is installed, a retaining means such as a lever is activated to advance the connector movable part and the IC card is engaged with the terminal of the connector and locked. At this time, the eject button is driven by the moving connector movable part via the cam, overcomes the elastically engaged positioning stopper, and is positioned at the protruding position by the stopper.

When removing the IC card, press the eject button. As a result, the eject button passes over the positioning stopper and is positioned at the push-in position by the stopper. By this movement of the eject button, the connector movable part is driven via the cam and retreats, and the lock of the IC card is released. Therefore, the IC card can be removed.

In this way, the positioning stopper that positions the eject button in the pushed-in position and the extended position is molded integrally with the IC card guide made of resin, etc., and the spring that was previously required can be omitted, making it possible to reduce costs. .

〔Example〕

The present invention will now be described in detail with reference to FIGS. 1-3.

FIG. 1 is a perspective view showing the structure of the IC card guide unit of this example, and FIG. 2 is a plan view of the same. In the figure, 21 is a positioning stopper, 22 is an eject button, and 23 is a cam. Note that the same reference numerals are used for members that are common to the conventional one.

As will be described later, the positioning stopper 21 elastically engages with the pawl 22a of the eject button 22 that moves forward and backward, thereby positioning the eject button 22 in the push-in position and the protrusion position shown in FIG. 1.2, respectively. IC card guide 25 made of synthetic resin.
is integrally formed.

The protrusion 22 of the eject button 22 is attached to the tip of the cam 23.
A notch 24 is provided to engage with b.

The details of the connector 5 will be explained with reference to FIG. 2. The connector 5 is configured such that a connector fixed part 5A supports a connector movable part 5B so as to be movable back and forth, and a lever 14 is supported by the connector fixed part 5A. In the state where the IC card is not attached as shown in FIG. 2, the connector movable portion 5B is retracted, and the eject button 22, which engages with the connector movable portion 5B via the cam 23, is positioned at the push-in position.

When installing an IC card, insert the IC card 100 from the IC card insertion slot 6 under the cam 23 and into the connector fixing part 5A.
(formed below the connector movable part 5B in FIG. 2) and push it in. As a result, the tip of the IC card 100 engages with the engaging portion 14a of the lever 14 and rotates the lever 14 in the direction of the arrow in FIG. It is pushed and moves forward a predetermined amount to the left in FIG. As a result, the cam 23 that engages with the connector movable portion 5B rotates a predetermined amount in the clockwise direction shown by the arrow in FIG. 2. Move to the left in Figure 2 by a predetermined amount.

During this movement, the pawl 22a elastically engages with the positioning stopper 21, climbs over it, and releases the eject button 22.
is positioned at the protruding position by the positioning stopper 21 as shown in FIG.

Note that when the connector movable portion 5B moves forward, the terminal (not shown) of the connector 5 that engages with the connector movable portion 5B is I
The IC card 100 is engaged with the tip of the C card 100 to lock the IC card 100, and the IC card 100 is connected to the terminal of the connector 5.

When removing the IC card 100 installed in this way, press the eject button 2 positioned at the protruding position.
Push in 2. As a result, the claw 22a climbs over the positioning stopper 21 and the eject button 22 is positioned at the pushed-in position shown in FIG.
The cam 23 engaged with the cam 23 rotates a predetermined amount in the counterclockwise direction in FIG. 2, thereby retracting the connector movable portion 5B to its original position.

Due to this retreat, the terminal of the connector 5 is connected to the IC card 100.
The lever 14 also returns to its original state.

In this state, the IC card 100 can be easily removed.

[Effects of the Invention] As described above, according to the present invention, the eject button is positioned in the push-in position and the protrusion position by the positioning stopper provided integrally with the IC card guide, which is unnecessary in the past. Since the spring that was previously used can be omitted, it is possible to reduce costs.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing the structure of an IC card guide unit according to an embodiment of the present invention, FIG. 2 is a plan view thereof, FIG. 3 is an explanatory diagram of the function of a positioning stopper according to an embodiment of the present invention, and FIG. 4 is a perspective view showing the appearance of a printer equipped with a conventional IC card guide unit, and FIG. 5 is a perspective view showing the structure of a conventional IC card guide unit. In the figure, 4 is a memory board, 5 is a connector, and 5A is a A connector fixing part, 5B a connector movable part, 6 an IC card insertion slot, 21 a positioning stopper, 22 an eject button, 23 a cam, and 25 an IC card guide.

Claims (1)

[Claims] An IC card guide (25) that includes an IC card insertion slot (6) and an eject button (22) that can be advanced and retracted, and has a built-in cam (23), and is integrated with the IC card guide (25). the eject button (22) is inserted into the cam (2) by the operation of inserting the IC card into the IC card insertion slot (6).
3) is driven through the IC card guide unit of the printer to be positioned at the protruding position, and from this state the IC card can be taken out by pushing the eject button (22) and rotating the cam (23). , a positioning stopper (21) is provided on the IC card guide (25) to elastically engage with the eject button (22) that moves forward and backward to position the eject button (22) in the push-in position and the protrusion position, respectively. An IC card guide unit for a printer characterized in that it is integrally provided.