JP3147198B2 - Card type locking device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking device which can be suitably used for locking an drawer or a door of an office file cabinet or the like, and a cabinet using the locking device. The present invention relates to a mechanically operated card type locking device.

[0002]

2. Description of the Related Art Conventionally, a file cabinet or the like having a drawer is provided with a latch mechanism for locking all drawers in a storage position. A general latch mechanism is attached to a front plate of a drawer or a door. A latch member that interlocks with the pull tab, and when the pull tab is pulled, the latch member detaches from the locking projection or the locking hole provided on the cabinet body, that is, releases the latch, so that the drawer and the door can be opened and moved. . In a cabinet or the like provided with such a latch mechanism, a locking device independent of the latch mechanism or combined with the latch mechanism is further incorporated. To directly lock the drawer in the storage position. As this kind of locking device, a device using a cylinder lock type in which a key is inserted into a cylinder lock and rotated is generally used. A similar cylinder lock type locking device is widely used as a locking device for locking a door at a closed position in an entrance of a room or a library with a door.

On the other hand, a device using a card is being used as a locking device such as a door at the entrance of a room. Generally, this type of card-type locking device reads magnetic information or optical information recorded on the surface of a card. In addition, a lock mechanism such as a door is released by driving an actuator such as a solenoid.

[0004]

The above-mentioned locking device of the cylinder lock type requires that a key be inserted into the cylinder lock and turned, and therefore a locking device with a simpler key operation is demanded.

On the other hand, since the above-mentioned card type locking device needs to supply power to a reading circuit such as a magnet, the installation place is limited to a place where power can be supplied, and is not suitable for a file cabinet or the like. In addition, it requires an electric / electronic circuit, an actuator, a power supply circuit, and the like, so that it is very expensive, and furthermore has a drawback that the cost increases due to power consumption.

Accordingly, an object of the present invention is to provide a card-type locking device which is compact, highly reliable, inexpensive, and simple in key operation.

[0007]

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention provides a storage case having a card insertion slot on the front surface, and a first position near the card insertion slot in the storage case with respect to the storage case. A card guide slidably held between the first position and the second position in the storage case, the card guide receiving the leading end of the card inserted from the card insertion slot of the storage case; A return spring for urging the card guide from the position to the first position, a return of the card guide to the first position, and a return to the first position each time the card guide retreats toward the first position after the card guide advances to the second position. An operation control unit that alternately repeats locking to the third position between the two positions, and an operation control unit connected to the card guide and slidably supported by the storage case, and when the card guide is in the first position and From the second position to the third position An operating member that takes one or the other of the locked position and the unlocked position when in the section, and a key groove is formed at a predetermined position of the card inserted into the card guide so as to be swingably supported by the card guide. Otherwise, when the card guide is at the first position or the third position, the first card is inserted into the card guide and rides on the flat portion of the card to form the first card formed in the storage case.
Or engaging the second engaging portion, thereby locking the card guide in the first position or the third position. On the other hand, when a key groove is formed at a predetermined position of the inserted card, A key groove detecting member for releasing the card guide from the first position or the third position by disengaging from the first or second engaging portion of the storage case by engaging with the card case; The card guide is swingably supported via the groove detecting member, and when an incorrect groove is formed at a position other than the predetermined position of the card inserted into the card guide, the card guide is moved to the first position or the third position. At a certain time, by engaging with the incorrect groove, it engages with the third or fourth engaging portion formed in the storage case, thereby locking the card guide in the first position or the third position. , Said part of the inserted card When the incorrect groove is not formed, the card guide is disengaged from the third or fourth engaging portion of the storage case by riding on the flat portion of the inserted card when the card guide is at the first position or the third position, This provides a card-type locking device having an unauthorized groove detecting member for unlocking the card guide from the first position or the third position.

In the card type locking device having the above structure, preferably, one end of the key groove detecting member is pivotally supported by the card guide, and the other end of the key groove detecting member is engaged with the key groove at the predetermined position of the card. The key groove detecting projection and the locking projection engageable with the first and second engaging portions of the storage case are formed so as to protrude in opposite directions. The projection is spring-biased in a direction to separate from the first and second engagement portions of the storage case.

In the card-type locking device having the above-mentioned structure, preferably, the fraudulent groove detecting member is pivotally supported at an intermediate portion by a card guide. An illegal groove detection projection that can be engaged with the groove,
Locking projections engageable with the third and fourth engaging portions of the storage case are formed, respectively. Further, the illegal groove detection member has the locking protrusions of the third and fourth engaging portions of the storage case. It is spring-biased in the direction engaging with the joint.

[0010]

In the card-type locking device having the above structure, when the card is inserted into the card guide from the card insertion slot of the storage case, the key groove detecting member is inserted into the key groove formed at a predetermined position of the card. When the card is engaged and the illegal groove detecting member does not engage with the illegal groove at a position other than the predetermined position, the legitimate card and the judgment card guide are moved to the first position or the first position and the second position near the card insertion slot. Third in between
Since the lock is released from the position, the card guide can move forward from the first position or the third position to the second position. On the other hand, when an incorrect card or an incorrect card is inserted, the key groove detecting member rides on the flat portion of the card or the invalid groove detecting member engages with the invalid groove, so that the card guide is the first card. The lock is not released from the position or the third position.

[0011] The card guide is the first card.
After being pushed from the position to the second position, the card guide is returned to the third position by the action of the operation control unit and the return spring,
It is locked in this third position. Therefore, the card can be removed at the third position. After the card guide is pushed from the third position to the second position by the card, the card guide is returned to the first position by the operation of the operation control unit and the return spring. Therefore, the card can be removed at the first position.

On the other hand, the operating member connected to the card guide and slidably supported with respect to the storage case is provided when the card guide is in the first position and when the card guide is in the section from the second position to the third position, respectively. Since one or the other of the locking position and the unlocking position is set, locking and unlocking can be switched only by the above-described card insertion / removal operation and the mechanical operation inside the card-type locking device.
Since the operating member is integrated with the card guide, the operating member has high strength and operates reliably.

[0013]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 6 show an embodiment of a card type locking device according to the present invention. FIG. 1 is a perspective view of a card type locking device and a card, and FIG. 2 is a perspective view of the card type locking device. FIG. 3 is a perspective view in which a part of a storage case and an operation member are removed, and FIG. 3 is an exploded perspective view of a card-type locking device. 4 is a perspective view showing an assembled state of a card guide, a key groove detecting member and an unauthorized groove detecting member, FIG. 5 is an exploded perspective view thereof, and FIG. 6 is a longitudinal section of a main part of the card type locking device. FIG.

First, referring to FIGS. 1 to 3,
The card type locking device has a storage case 1, which is composed of an upper case 2, a lower case 3, and both cases 2, 3.
, A front plate 5 having a card insertion slot 5a formed thereon, and a decorative plate 6 attached to the front surface of the front plate 5. The cover 4 is provided with a mounting plate 7 protruding laterally.

In the storage case 1, an insertion portion 10a for receiving the leading end of the card 8 inserted from the card insertion slot 5a.
In this case, a card guide 10 is provided so as to be slidable in the insertion / removal direction of the card 8. The card guide 10 is slidable between a first position near the card insertion slot 5a and a second position separated from the card insertion slot 5a. In order to slidably guide the card guide 10, guide grooves 2 f are provided on both inner plates of the upper case 2 of the storage case 1 so as to extend in the insertion / removal direction of the card 8. The protruding projection 11 is slidably engaged via a sleeve 12 described later.

The card guide 10 is biased from a second position to a first position between a pair of hooks provided on the front plate 5 and a pair of hooks protruding from the bottom of the card guide 10. The return springs 13 are respectively stretched.

In FIG. 3, reference numeral 14 denotes the card guide 1.
Each time 0 moves back to the first position after it has advanced to the second position, the card guide 10 returns to the first position and locks to the third position between the first position and the second position. Are shown as a whole. Here, the operation control unit 14 is integrally provided on the bottom surface of the card guide 10, and has a substantially heart-shaped grooved cam 15 and a lever 17 pivotally attached to the inner bottom surface of the lower case 3 of the storage case 1 via the pivot 15.
And a neutral spring 18 for pulling the tip of the lever 16 from the front of the pivot 15. At the tip of the lever 16, an engaging element 19 for engaging with the groove cam 15 is provided.

When the engaging element 19 is located at the tip of the heart of the groove cam 15, the card guide 10 is at the first position, and the engaging element 19 is at the top end of the two heart-shaped peaks of the groove cam 15. When located, the card guide 10 is in the second position.
And the engagement element 19 is in the shape of the heart-shaped 2
When located at the bottom of the valley between the two peaks, the card guide 10 is in the third position.

The groove cam 15 is not symmetrical in the front-rear direction, that is, in the card insertion / removal direction, but has an obliquely distorted shape. Therefore, when the card guide 10 is pressed from the first position to the second position against the spring 13 and then released, the engaging element 19 moves from one peak of the groove cam 15 to the bottom of the groove cam 15. The card guide 10 is stopped at the third position because it is locked at the bottom of the valley. When the card guide 10 is pressed again from the third position toward the second position, the engaging element 19 is separated from the bottom of the cam groove 15 and rides over the other peak. 10 returns to the original first position.

Reference numeral 20 denotes an operating member that works with the card guide 10. The operating member 20 takes one of the locked position and the unlocked position when the card guide is in the first position, and the locked position when the card guide 10 is in the section from the second position to the third position. And the lock release position. The operating member 20 is provided on the left and right side surfaces of the upper case 2 and the card guide 10.
Left and right side wall portions 20a are inserted between the left and right side surface portions, and the sleeve 12 is fitted into a groove 21 formed at one end of the side wall portion 20a.
When the sleeve 12 is fitted into the groove 21, first, the protrusion 11 of the card guide 10 is moved from the opening of the groove 21 to the groove 21.
The sleeve 12 can be fitted in the groove 21 by inserting the sleeve 12 into the protrusion 11 and inserting the sleeve 12 into the protrusion 11. The operating member 20 has an inclined cam portion 20b at the other end of the side wall portion 20a.

Next, referring to FIG. 2, FIG. 4 and FIG.
Reference numeral 22 denotes a keyway detecting member. The key groove detecting member 22 is inserted into the card guide 10 when the card guide 10 is at the first position or the third position when the key groove is not formed at a predetermined position of the card 8 (see FIG. 1). The card guide 1 is engaged with the first engaging portion 23 or the second engaging portion 24 (FIG. 2) formed on the storage case 1 by riding on the flat portion of the card 8.
0 is locked in the first position or the third position, and when a key groove 8a (see FIG. 1) is formed at a predetermined position of the inserted card, the key case 8a is engaged with the key groove 8a to thereby store the card case. The card guide 10 is disengaged from the first engagement portion 23 or the second engagement portion 24, thereby unlocking the card guide 10 from the first position or the third position.

More specifically, the keyway detecting member 2
Reference numeral 2 denotes a pair of left and right arms 25, an end shaft 26 connecting one end of both arms 25, 25, an intermediate shaft 27 extending through an intermediate portion of both arms 25, 25, and other arms 25, 25. And a connecting piece 28 for connecting between the end portions. The end shaft 26 is rotatably engaged with a shaft support portion 29 provided on the card guide 10 so that one end portion of the key groove detecting member 22 is connected to the card guide 10. The guide 10 is swingably supported. A plurality of key groove detection projections 30 which can be engaged with the key groove 8a at a predetermined position of the card 8 are formed on the intermediate shaft 27 on the other end side of the key groove detection member 22 so as to protrude downward. 25,2
At the other end of 5, a locking projection 31 that can be engaged with the first engaging portion 23 and the second engaging portion 24 of the storage case 1 is formed to protrude upward. The card guide 10 is provided with a spring 32 that urges the locking projection 31 of the key groove detecting member 22 in a direction (downward) to be detached from the first engaging portion 23 and the second engaging portion 24 of the storage case 1. Is provided. This spring 3
Reference numeral 2 denotes a central coil portion which is held by the card guide 10, and both ends of a spring extending from the coil portion bias the key groove detecting member 22 downward, and
Plays the role of suppressing left-right vibration. The key groove detecting projection 30 is provided on the card guide 10 in the card insertion portion 1.
An insertion hole 10b is formed for insertion into Oa.

Reference numeral 33 denotes a pair of left and right illegal groove detecting members. When an unauthorized groove is formed at a position other than the predetermined position of the card 8, the unauthorized groove detecting member 33 detects the card inserted into the card guide 10 when the card guide 10 is at the first position or the third position. 8 engages with the third engaging portion 34 or the fourth engaging portion 35 (FIG. 2) formed in the storage case 1, whereby the card guide 10 is moved to the first position. When the card 8 is locked at the third position or the third position, and no illegal groove is formed at a position other than the predetermined position of the inserted card 8, the third case or the fourth case of the storage case 1 From the engaging portions 34 and 35 of the card guide 10
From the first position or the third position.

More specifically, the fraudulent groove detecting member 33 has a middle portion pivotally supported on both ends 27a of the intermediate shaft 27 of the key groove detecting member 22, respectively.
At one end and the other end thereof, an unauthorized groove detecting projection 36 that can be engaged with an unauthorized groove of the card 8 and a locking projection 37 that can be engaged with the third and fourth engaging portions 33 and 34 of the storage case 1. Are formed. Further, the locking protrusion 37 of the unauthorized groove detecting member 22 has the third and fourth engaging portions 33 and 34 of the storage case 1.
Are biased by a spring 38 in a direction (upward) of engaging with the spring.

As shown in FIG. 1, in this embodiment, the same action as the return spring 13 is applied to the locking portion projecting from the upper surface of the operating member 20 and the hook provided on the cover 4 of the storage case 1. The spring 39 is stretched. As described above, since the springs for urging the card guide 10 and the operating member 20 are disposed on the upper and lower sides, the movement of the card guide 10 and the operating member 20 can be made smooth.

In this embodiment, the card guide 10
A ridge 10c that abuts the inner surface of the operating member 20 on the left and right sides of the upper case 2 to lightly press the operating member 20 against the inner surface of the upper case 2.
Is formed, the card guide 10 and the operating member 2
It has a structure in which left and right play are unlikely to occur at 0.

In the card-type locking device having the above configuration,
When the regular card 8 is inserted into the card guide 10 from the card insertion slot 5a of the storage case 1, the key groove detecting projection 30 of the key groove detecting member 22 is formed at a predetermined position on the flat portion of the card 8. By engaging with the keyway 8a,
The key groove detecting member 22 unlocks the card guide 10 from the first position in the vicinity of the card insertion slot, and the illegal groove detecting protrusion 36 of the illegal groove detecting member 33 rides on the flat portion from the tip of the card 8, thereby making the illegal operation. The groove detecting member 33 also unlocks the card guide 10 from the first position near the card insertion slot. Therefore, the card guide 10 can be moved forward from the first position to the second position by the card pushing force. When the card guide 10 moves away from the first position, the key groove detecting member 22 and the unauthorized groove detecting member 33 are kept in the unlocked state by contact with the inner wall surface of the upper case 2 of the storage case 1. Therefore, by moving the card guide 10 forward from the first position to the second position together with the card 8, the operating member 20 can be moved from one of the locked position and the unlocked position to the other.

On the other hand, when an incorrect card or an incorrectly created card is inserted, the keyway detecting member 22
Alternatively, since at least one of the unauthorized groove detecting members 33 does not release the lock of the card guide 10 from the first position, locking or unlocking cannot be performed with these unauthorized cards or the like.

As described above, the card guide 10 is
When moving from the position to the second position, the engaging element 19 of the operation control unit 14 moves from the tip of the heart of the heart-shaped grooved cam 15 to one base. When the card 8 is pushed in until the card guide 10 reaches the second position and the pressing force is released, the card guide 10 is urged in the direction of the first position by the spring 13. The engagement element 19 moves to the bottom of the groove cam 15 between the two heart ridges and is locked at that position. Therefore, the card guide 10 is locked in the third position between the second position and the first position by the operation control unit 14, in which position the operating member 20 is in the same position as in the second position, that is, the locked position or It is kept in the unlocked position. On the other hand, when the card guide 10 is at the third position, the protrusions 31 and 37 of the key groove detecting member 22 and the unauthorized groove detecting member 33 are at positions where they can be engaged with the engaging portions 24 and 34 of the storage case 1. While the card-type locking device is kept in one of the locked and unlocked states, the card 8 is inserted into the card guide 10 and the storage case 1.
Can be extracted from

Next, after inserting the card 8 again and moving the card guide 10 from the third position to the second position, the card guide 10 is moved together with the card 8 from the second position to the first position. The engagement element 19 of the operation control unit 14 once moves from the bottom of the heart-shaped grooved cam 15 to the other heart ridge, and then moves from this heart ridge to the heart tip. Therefore, the card guide 10 returns to the first position without being locked at the third position, and the operating member 20 returns to the original locked or unlocked position. When the card 8 is removed, the card guide 10 is locked at the first position by the key groove detecting member 22 and the unauthorized groove detecting member 33.

As described above, the card-type locking device having the above configuration can switch between locking and unlocking by inserting and removing the card 8 only by mechanical operation.

Next, a cabinet using the card-type locking device having the above configuration will be described. 7 to 9 show one embodiment of the cabinet 50. FIG. Referring to these figures, the cabinet is a cabinet body 5.
1, a plurality of drawers 52 housed in the cabinet main body 51 so as to be freely taken in and out, and a locking mechanism 53 for locking all the drawers 52 at the housing positions in the cabinet main body 51.
The locking mechanism 53 includes a pair of left and right locking rods 56 each having a stopper 55 capable of abutting on a front end of a protrusion 54 protruding from the left and right side wall outer surfaces of each drawer 52, and a card having the above-described configuration indicated by reference numeral 40. Locking device and a pair of left and right swinging rods 5
7 by the locking or unlocking operation of the locking device 40 provided on the front surface of the cabinet body 51.
By moving both locking rods 56 in the vertical direction through the lock, the drawer 52 is locked and unlocked.

More specifically, the swinging rod 57 has a V-shaped notch 59 which engages with a supporting member 58 fixed to the cabinet body 51. Both ends can be swung up and down. One end of each of the swinging rods 57 is connected to the operating member 20 of the card-type locking device 40.
, And the other end is connected to a pair of left and right locking rods 56, respectively. As described above, since the operating member 20 moves in the insertion / removal direction of the card 8, that is, in the front-back direction together with the card guide 10, the swinging rod 57 pivots on the support member 58 in conjunction with the front-back movement of the operating member 20. As a result, the pair of left and right locking rods 56 is vertically moved.

The notch 59, which forms the center of swing of the swinging rod 57, is formed closer to one end in contact with the operating member 20 than the other end connected to the locking rod 56. Therefore, the vertical displacement of the locking rod 56 connected to the other end of the swinging rod 57 can be made larger than the displacement of one end of the swinging rod 57 by the operating member 20.

The swinging rod 57 is a long rod bent in a U-shape in cross section, and the notches 59 are formed at the lower ends of both side walls of the swinging rod 57, respectively. Since such a swinging rod 57 is light in weight but hardly bent, the operation of the locking device 40 can reliably move the locking rod 56 up and down by a required amount.

The support member 58 is formed with a projection 60 that is in contact with the upper surface of the swinging rod 57 immediately above the notch 59.
This serves to stably hold the swinging rod 57 while facilitating the assemblability of the swinging rod 57 to the engaging member 58. Therefore, even when the cabinet 50 is turned upside down to transport the cabinet 50 or the like, the swinging rod 57
Can be prevented from being detached from the engaging member 58.

A roller 61 is provided at one end of the swinging rod so as to abut on the operating member 20, so that the movement of the operating member 20 and the swinging rod 57 is smooth.

The cabinet main body 51 is provided with a spring 62 for urging the swinging rod 57 in the same direction as the direction in which the operating member 20 pushes the swinging rod 57 (in the illustrated embodiment, the direction in which the swinging rod 57 is pushed down). By the action of the spring 62, the card 8 and the operating member 20 can be operated with a light force.

Although the illustrated embodiment has been described above, the present invention is not limited to only the above-described embodiment.
Various changes can be made to the shape and the like of each component.

For example, in the illustrated embodiment of the card-type locking device, five groove detecting projections 30 are used. However, by changing the position and the number thereof in accordance with the key groove 8a of the card 8, a large number of cards 8 can be formed. A corresponding card-type locking device can be provided.

Further, in the illustrated embodiment of the card type locking device, an illegal groove detecting member 3 is provided on both sides of the key groove detecting member 22.
Although 3 is disposed, for example, a key groove detecting member can be divided and disposed on both sides of the unauthorized groove detecting member.

Further, the card-type locking device according to the present invention can be attached to any place that requires locking, such as an opening / closing door or a room door, in addition to the above-described drawer of the file cabinet.

[0044]

As is apparent from the above description, the card-type locking device according to the present invention can easily switch between locking and unlocking by inserting and removing a card only by mechanical operation, so that it is compact and reliable. And an inexpensive card-type locking device can be provided.

Further, the cabinet according to the present invention can easily switch between locking and unlocking by inserting and removing a card only by the mechanical operation of a compact card-type locking device, which hinders the storage space of the cabinet. And a highly reliable cabinet that does not require a power supply can be provided. In addition, since the operating member is integrated with the card guide, the strength can be increased, and a card-type locking device with reliable operation can be provided.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a card-type locking device according to the present invention.

FIG. 2 is a perspective view showing a state where a cover and an operating member of the locking device shown in FIG. 1 are removed.

FIG. 3 is an exploded perspective view of the locking device shown in FIG.

FIG. 4 is a perspective view showing a state where the card guide, the key groove detecting member, and the unauthorized groove detecting member of the locking device shown in FIG. 1 are assembled.

FIG. 5 is an exploded perspective view of the card guide, the key groove detecting member, and the unauthorized groove detecting member shown in FIG.

FIG. 6 is a longitudinal sectional view of a main part of the locking device shown in FIG. 1;

7 is a perspective view of the cabinet showing an embodiment of a cabinet locking mechanism using the locking device shown in FIG. 1;

FIG. 8 is a schematic sectional view of a main part of the cabinet shown in FIG. 7;

9 is a perspective view of a main part of a locking mechanism of the cabinet shown in FIG. 7;

FIG. 10 is a sectional view of a main part of a locking mechanism of the cabinet shown in FIG. 7;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Storage case 5a Card insertion slot 8 Card 8a Keyway 10 Card guide 13 Return spring 14 Operation control unit 20 Working member 22 Keyway detecting member 23 First engaging part 24 Second engaging part 30 Keyway detecting protrusion 31 Locking projection 32 spring 33 illegal groove detecting member 34 third engaging part 35 fourth engaging part 36 illegal groove detecting projection 37 locking projection 38 spring 40 card type locking device 50 cabinet 51 cabinet body 52 drawer 53 locking mechanism 56 Locking rod 57 Swinging rod 58 Engagement member 59 Notch 60 Projection 61 Roller 62 Spring

Claims (5)

(57) [Claims] A storage case having a card insertion slot on a front surface; a first position near the card insertion slot in the storage case with respect to the storage case; and a second position in the storage case separated from the first position.
A card guide slidably held between the first position and the card guide for receiving the leading end of the card inserted from the card insertion slot of the storage case; and a return spring for urging the card guide from the second position to the first position. Each time the card guide advances to the second position and then retreats toward the first position, the card guide returns to the first position and locks at the third position between the first and second positions. And an operation control unit that alternately repeats the above operation. The operation control unit is connected to the card guide and supported so as to be slidable with respect to the storage case.
An operating member which takes one or the other of a locked position and an unlocked position when in a section from the position to the third position, and a predetermined position of a card which is swingably supported by the card guide and inserted into the card guide. When the key groove is not formed at the position, when the card guide is at the first position or the third position, the card guide is mounted on the flat portion of the card inserted into the card guide so as to be formed on the storage case. The card guide is engaged with the second engaging portion, thereby moving the card guide to the first position.
Position or the third position. On the other hand, when a key groove is formed at a predetermined position of the inserted card, the key is engaged with the key groove so that the card can be locked from the first or second engaging portion of the storage case. A key groove detecting member for detaching and thereby unlocking the card guide from the first position or the third position; and a rock guide supported by the card guide directly or via the key groove detecting member, and inserted into the card guide. When an incorrect groove is formed in a place other than the predetermined position of the card, the card guide is formed in the storage case by engaging with the incorrect groove when the card guide is in the first position or the third position. Engaging the third or fourth engaging portion, thereby locking the card guide in the first position or the third position, while the card is inserted when the inserted card is not formed with an illegal groove. Guide is in first position Alternatively, the card guide is disengaged from the third or fourth engaging portion of the storage case by riding on the flat portion of the inserted card when in the third position, thereby unlocking the card guide from the first position or the third position. A card-type locking device comprising: 2. A key groove detecting member, one end of which is pivotally supported by a card guide, and a key groove detecting protrusion engageable with the key groove at the predetermined position of the card on the other end side of the key groove detecting member. Locking projections engageable with the first and second engaging portions of the case are formed so as to protrude in opposite directions, and the keyway detecting member has the locking protrusions of the first and second storage cases. The card-type locking device according to claim 1, wherein the card-type locking device is spring-biased in a direction of being detached from the engaging portion of the card. 3. The fraudulent groove detecting member has a middle portion pivotally supported by a card guide, and has one end and the other end of the fraudulent groove detecting member.
An unauthorized groove detection projection engageable with the unauthorized groove at the predetermined location of the card and a locking projection engageable with the third and fourth engagement portions of the storage case are formed, respectively. The detection member is provided with the locking protrusions of the third and fourth storage cases.
The card-type locking device according to claim 1, wherein the card-type locking device is spring-biased in a direction in which the card-type locking portion is engaged with the engaging portion. 4. An operation control section is provided on one of a card guide and a storage case and has a substantially heart-shaped cam groove, and is pivotally mounted on the other to engage with a cam groove of the groove cam. The card-type locking device according to claim 1, further comprising an engaging element that engages. 5. The card type locking device according to claim 1, wherein the operating member has an inclined cam portion at an end protruding from the storage case.