JPH04146381A - Card-type lock and card key therefor - Google Patents

Abstract

PURPOSE:To simplify the production of card-type lock by a method in which an uneven part, a tiered part, and a sloped part are formed on a card key, an uneven part to match the uneven part of the key is formed on a card-type lock having a coupling piece, a latch mechanism, and a card receiver, and when a card is inserted to the innermost position, the latch mechanism is worked to allow unlocking. CONSTITUTION:An uneven part 2a is formed on the insertion direction tip side of a car key 2, and a tiered part and a sloped part 2b are formed on the adjacent side. A card-type lock is operated by the key 2 and the lock base frame 1 is coupled to a coupler 4 by a coupling piece 5. A card receiver 11 having an uneven part 11a to match the part 2a of the key 2 with latch mechanisms 7-9 is also provided. The lever 8 of the latch mechanisms is pressed by the tiered part and sloped part 2b of the key 2 inserted from the inlet 1a to match the key 2 with the uneven parts 2a and 11a of the receiver 11, and the key 2 is inserted to the innermost position for unlocking by operation of the latch mechanisms. The variation of kinds of card key can thus be greatly increased by combination.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a card-type lock for locking a cabinet or the like and a card key thereof.

[Conventional technology]

Conventionally, cylinder locks, for example, have been used as this type of lock.

The cylinder lock is held in a holding cylinder fixed to the front of the cabinet so as to be able to slide back and forth, and is protruded from the front of the cabinet by a return spring.The cylinder lock is pushed against the spring and the latch head at the rear of the cylinder lock is pressed. It is designed to be locked by protruding and engaging with a locking hole provided in the holding cylinder. The latch is pushed in the protruding direction by a spring built into the cylinder lock, and when the lock body is pushed into the holding cylinder, the latch protrudes and locks into the locking hole, or a rotor is installed inside the lock body so that it can rotate freely. By inserting the key into the door and turning it, the latch is activated and locked. On the other hand, when unlocking the lock, the key is inserted into the rotor and rotated in the opposite direction to the locking direction, thereby disengaging the latch head from the locking hole and unlocking the lock.

In this way, when locking and unlocking, the key is inserted into the rotor inside the cylinder lock body and rotated to operate the latch, so the key must be rigid enough to allow the rotor to rotate smoothly.
It requires strength and is either made of metal with complicated grooves engraved on it, or it is not easy to engrave such complex engravings on a metal base material, and moreover, it is difficult to engrave such complicated engravings on a metal base material, and moreover, it is difficult to engrave such complicated engravings on a metal base material, and moreover, it is difficult to engrave such complex engravings on a metal base material, and moreover, it is difficult to engrave such complicated engravings on a metal base material, and moreover, it is difficult to engrave such complex engravings on a metal base material. It is extremely difficult to prepare a seed key. In addition, the cylinder lock body has a rotor and the like and has a complicated structure, is prone to failure, and is not easy to manufacture.

[Invention or problem to be solved]

In view of these points, the present invention simplifies the structure by removing the rotor, makes the key a single card, simplifies production, and makes it easy to produce many types of keys. The purpose is to

[Means to solve the problem]

In order to achieve the above object, the card-type lock and the first form of the card key according to the present invention have a predetermined key uneven part formed on the side on the leading end side in the insertion direction, and a predetermined key uneven part is formed on the side on the leading end side in the insertion direction. a card key in which a stepped part and a sloped part are formed toward one side adjacent to the card key, and a card-type lock operated by the card key,
It has a locking piece that locks the base frame by locking it with a predetermined locking device, and a latch mechanism connected to this, and also has a concave-convex portion corresponding to the key concave-convex portion at the tip of the card key. The lever of the latch mechanism is pressed and moved by the stepped part and the inclined part of the card key inserted from the card key insertion slot, and the key uneven part of the card key is pressed and moved by the stepped part and the inclined part of the card key. and a card-type lock configured such that when the card key is inserted to the innermost part by matching the uneven portion of the receiving part, the latch mechanism is activated and the lock is unlocked. be.

In the second embodiment of the present invention, a predetermined key uneven portion is formed on the side on the distal end side in the insertion direction,
A card key that has a magnetic memory formed on its surface to store a predetermined PIN code, etc., and a card-type lock that is operated by the card key,
A locking piece that locks the base frame by locking it to a predetermined locking device, and a latch solenoid that is connected to the locking piece and releases the bias in a direction in which the locking piece is released from the locking device, A card receiving portion is provided with a concave and convex portion corresponding to the key concave and convex portion at the tip of the card key, and further, the key concave and convex portion of the card key inserted from the card key insertion slot is the same as the concave and convex portion of the card receiving portion. a detector that detects when the card key enters the innermost part of the card key in accordance with the above, a reading device that reads the PIN code, etc. of the magnetic memory of the card key, and a memory in which a predetermined PIN code, etc. is recorded in advance; a matching circuit that compares the signal read by the reading device with the signal recorded in the memory and emits a predetermined signal when the two match; Provide a circuit that generates an unlock signal,
A card-type lock configured to operate the latch solenoid and unlock the lock in response to the unlock signal.

Furthermore, the first and second embodiments may be combined.

Note that it is recommended that a hard plating layer be formed on the key uneven portion and/or stepped portion and sloped portion of the card key.

In addition, on the surface of the card key, there is a line along the insertion direction.
A member that is provided with one or more protrusions and/or grooves and has an uneven surface corresponding to the protrusions and/or grooves at appropriate positions from the card insertion slot to the card receiving part of the card type lock. It is also recommended that a

In addition, there are advertisements on the surface of the card key mentioned above. It is also recommended to display a design etc.

[For production]

When a card key is inserted into the insertion slot of a card-type lock as described above, if the inserted card is correct, the key unevenness at the tip of the card key or the uneven shape of the card holder of the lock matches the predetermined shape. It can be inserted up to a depth of
At this insertion position, the latch mechanism, which is driven by sliding in contact with the stepped portion and the inclined portion of the card, can release the locked locking piece from the locking portion to unlock the card. The unlocking operation using this card simply involves sliding and pressing the latch mechanism at the stepped and inclined parts.
The card does not require much strength and can be made of a thin plastic plate, making it easy to manufacture. Alternatively, the unlocking operation is performed when the key unevenness at the tip of the card key matches the uneven shape of the card holder of the lock, and when a predetermined password recorded in the magnetic memory provided in the card key matches. Even in the card key design, a thin plate of plastic or the like can be used.

In addition, many types of cards can be made by simply cutting a part of the uneven key part of the card key.Furthermore, protrusions or grooves can be formed on the card surface, and advertisements, designs, designs, etc. can be displayed. By doing so, it becomes easy to significantly increase the number of types of keys by combining the display and the key unevenness.

〔Example〕

Hereinafter, the structure of the present invention will be specifically explained with reference to the drawings.

FIG. 1 is a sectional view showing the internal structure of an embodiment of the card-type lock according to the present invention, and FIG. 2 is a front view showing the card insertion slot on the front side of the cabinet in which the card-type lock shown in FIG. 1 is installed. Fig. 3 is an enlarged perspective view of the latch mechanism, Fig. 4 is an explanatory diagram showing a partially modified embodiment, Fig. 5 is an enlarged plan view of the card key, and Figs. 6 to 8 are other embodiments of the card key. The example diagram, FIG. 9, is a main part configuration diagram showing another embodiment of the present invention.

In Fig. 1, l is the base frame of a card-type lock fixed to a cabinet etc. A latch mechanism for locking and unlocking is provided in this frame, and the card key 2 is inserted so as to open at the front of the latch mechanism. An opening 1a is provided, and a cursor 3 for slidingly guiding the card key 2 is provided on both sides of the insertion opening.

A locking piece 5 projects from the side wall of the base frame l of the lock and enters the locking hole 4a of the locking device 4 for locking. The locking device 4 is adapted to lock each extractor in the cabinet in the same position.

Reference numeral 6 denotes an operating rod connected to the locking piece 5, which is guided so as to be movable in the left and right directions within the lock base frame 1, and is adapted to move the locking piece 5 into and out of the locking hole 4a of the locking device 4. ing. The base end of the operating rod 6 is provided with a direction in which the locking piece 5 engages with the locking hole 4a (
An elastic compression spring 7 is provided which biases the operating rod 6 to the right, and the elastic force of this spring drives the operating rod 6 to the right, and the locking piece 5
is inserted into the locking hole 4a and locked.

Reference numeral 8 denotes a lever of a latch mechanism that moves the operating rod 6 and the locking piece 5 in the direction (to the left) of leaving the locking hole 4a against the compression spring 7; The lever 8 is in contact with the stopper 6a of the fixed compression spring 7, and the intermediate portion of the lever 8 is movable left and right in a guide hole 9a formed in the guide member 9 (see also Figure 3). ). A sliding portion 0 is provided at the base end of the lever lever 8, and this sliding portion lO slides against the stepped portion and the inclined portion 2b of the card key 2, and by inserting and removing the card key 2, the lever lever 8 moves left and right. It is now possible to move the

As shown in the figure, the card key 2 has a stepped part and an inclined part 2b formed at the left end corner thereof in opposing sliding contact with the sliding part 10 of the lever 8, and a key uneven part 2a at the insertion end side.
is formed.

Reference numeral 11 denotes a card key receiving part placed at the back of the insertion slot for the card key 2, which forms a concave and convex shape 11a that matches the key concave and convex portion 2a, and inserts the card key 2 deep (inserting) until both the concave and convex portions 11a and 2a come into contact. is now possible.

When the card key 2 is inserted from the insertion slot 1a, the lever 8 slidingly in contact with the stepped part and the inclined part 2b is driven to the left according to the pushing operation of the card key 2, and the compression spring 7 is pressed at the tip of the lever 8. Move the operating rod 6 to the left while compressing it. If the unevenness 11a of the card key receiving portion matches the unevenness 2a of the card key 2, the card key 2 can be inserted to a predetermined depth, and at that time, the lever lever 8 driven by the stepped portion and the inclined portion 2b can move the operating rod 6 sufficiently to the left, thereby disengaging the locking piece 5 from the locking hole 4a and unlocking the lock. In this unlocked state, as shown in the perspective view of the latch mechanism in FIG. 3, the lever 8 is caught in the notch 9b at the left end of the guide hole 9a of the guide member 9, and the lever 8 is held fixed. Can be kept unlocked.

When locking the lock, insert the card key 2 and push it a little deeper than the unlocked position.The stepped part and the inclined part 2b of the card key 2 will push the lever 8 to the left, and the key will be pushed to the left on the slope of the cutout part 9b. slide to compress the spring 13, move the guide member 9 backward, and press the lever 8 or the guide hole 9a.
It will be located at the left end of the card key 2.
When the lever 8 is pulled out, the lever 8 moves to the left in the guide hole 9a by the restoring force of the compression spring 7, and the latch is released and locked.

Incidentally, instead of providing the spring 13 of the latch operating device, the lever 8 may be pulled to separate from the notch 9b of the guide member, and the entire latch mechanism may also be any other mechanism. I can do it.

Additionally, the card key itself can be provided with a hook so that when pushed to a predetermined position, it remains unlocked, and when pushed further, the latch releases and locks, allowing the card to be removed.

Note that the engagement and disengagement between the tip of the operating rod 6 and the locking device 4 is not done by using the locking hole 4a as described above, but by using a hook and a locking piece of the mechanism that engages with the hook. It may also be provided.

Figure 4 shows a modified example of the latch mechanism, and the figure (
In a), one end of two lever rods 81.82 rotatably supported around a fulcrum 91.92 is connected to the pin 9.
3, the tip of the lever lever 81 is engaged with the operating lever 6, and the lower end of the lever lever 82 is brought into sliding contact with the stepped portion and the inclined portion 2b of the card key 2. If you drive the lower end sliding part 10 of the lever 82 to the left with the card key 2, the lever 8
1.82 or an inverted "J" shape, and the free end of the lever 81 can be moved to the left to drive the operating lever 6 to the left. According to the combination, the operation force of the card key 2 can be significantly reduced. In the figure (b), one lever lever 83 is pivotally supported by a fulcrum 94, and its upper end is engaged with the operating lever 6. The lower end is in sliding contact with the stepped part and the inclined part 2b, and in this case also the fulcrum 9
The operation force required by the card key 2 can be reduced by the position 4. Although the latch mechanism part in this case is not shown, the one shown in FIG. 3 can be used.

FIG. 5 is an enlarged detailed view of the card key 2. In order to increase the wear resistance of the area from the uneven key part 2a formed at the tip to the stepped part and sloped part 2b at the left tip, for example, it is necessary to apply liquid to this area. By forming a plating hardened film (hatched portion in the figure) of NiP or the like by any method such as medium plating or air plating, the plastic card can be hardened and given wear resistance. Hardening the tip of a card made of aluminum or other sheet metal is also effective in improving wear resistance.

Note that the stepped portion and inclined portion 2b formed on the card are the fourth
As shown in Figure Q) J, it can be formed at the right end of the card key, and in this case the latch mechanism within the lock may be provided on the right side within the base frame.

Figure 6 shows the key uneven part 2 formed on the tip of the card key 2.
This is to explain the various forms of a. In contrast to the basic card in which, for example, sine wave-shaped unevenness is formed at pitch x n as shown in the same figure (al), (b) is cut by l pitch to create a card with pitch x (
n-1), (C) is a 2-pitch cut with a pitch of X(n-2), (d) is a multiple of X pitch cuts with a pitch of X(n-x), By forming such irregularities, it becomes possible to easily manufacture a wide variety of cards.

Of course, the uneven shape is not limited to the sine wave shape, and by combining other shapes such as a rectangular wave, a wide variety of card keys can be manufactured.

FIG. 7 shows an embodiment in which protrusions, grooves, or uneven lines are formed along the insertion direction on the front and/or back surface of the card key 2.
In the same figure, (a) shows one ridge 2c, and (b) shows two ridges 2c.
, 2c, and in combination with the key uneven portion 2a on the tip side, it becomes easier to manufacture a wider variety of cards.

Of course, for a card key with such a concave and convex strip formed thereon, a concavo-convex surface corresponding to the convex strip and/or the concave strip 2c is provided at an appropriate position from the card insertion slot 1a to the card receiving portion 11 in the lock body. A member shall be provided to allow acceptance of only card keys that are compatible with the member.

FIG. 8 shows an embodiment in which a display 2d of an advertisement, a design, a design, etc. is provided on the front or back side of the card. By combining such a display 2d with the key uneven portion 2a, the uneven strip 20, etc., a wider variety of cards can be created. We can make keys.

Figure 9 shows an example using an electronic lock, with card key 2
A magnetic memory 2e is provided on the front or back surface of the device, and a password code is recorded therein. Of course, you can record not only numbers but also functions, formulas, and other features. A reader 14 of the magnetic memory 2e is installed in the receiving part of the card key inserted from the insertion slot.
A detection device f1115 is provided for detecting a state in which the key uneven portion 2a of the card and the uneven portion 11a of the receiving portion are in contact with or close to each other.

Reference numeral 16 denotes a memory of a PIN number that matches the PIN code of the card key 2 provided in the electronic circuit, and the signal from the reading device 14 and this memory signal are compared in the next matching circuit 17, and when the two match, the memory Outputs a match signal. The coincidence signal from the coincidence circuit 17 is input to one of the AND gates 19, and the AND gate I9 is supplied with a touch signal from the touch signal generating circuit 8 which is activated by the detection signal from the detection device 15, and is An unlocking signal is generated and this signal is supplied to the unlocking drive circuit 20. 12 is a latch operation solenoid for unlocking, and the compression spring 7
The lock is unlocked by suctioning and moving the operating rod 6 against the
The solenoid 12 is energized and controlled by the drive circuit 20 described above.

As described above, if the PIN code stored in the card key 2 and the PIN code recorded in the memory 16 match, a signal is output from the matching circuit 17, and if the unevenness at the tip of the card key 2 and the unevenness on the card receiving part 11 come into contact, contact is established. The signal generation circuit 18 outputs a contact signal, and the AND output causes the drive circuit 20
is actuated to drive the solenoid 12, thereby disengaging the locking piece 5 from the locking hole 4a and unlocking the lock.

Note that the card key 2 has a stepped portion and an inclined portion 2b that slide and drive the magnetic memory 2e of the electronic lock and the mechanical latch mechanism.
It is also possible to provide both the electronic lock and the mechanical lock so that the lock is unlocked and locked when both the electronic lock and the mechanical lock are unlocked. Accordingly, the locking effect becomes extremely complete and reliable.

〔Effect of the invention〕

As explained above, the present invention provides a lock for filing cabinets, desks, bookshelves, etc., in which a locking piece protrudes and locks into a locking portion, the key is a card type, and the lock is locked by the action of a spring. One of the locking pieces is locked to the locking part, and the lock is unlocked using a card, and a latch mechanism is provided that urges and releases the locking piece in the direction of detachment from the locking part against the spring. , a card key is used which has a stepped part and an inclined part which drive the latch mechanism in opposing sliding contact, and a key uneven part, and by forming unevenness that matches the key unevenness in the card key insertion slot, the card is inserted to a predetermined depth. This lock has a card key receptacle that allows the reception of keys, so the lock can be unlocked using a card or simply by sliding and pressing the latch mechanism at the stepped and inclined parts, and does not require high strength. (You only need to prepare one thin card, making it extremely simple and easy to make. Also, by cutting a part of the key unevenness on the card, you can make many different types of cards. Significantly increasing the variety of card keys by forming one or more concave or convex stripes on the key, or by displaying advertisements, designs, designs, etc. on the front and back surfaces of the key in combination with the key concave and convex portions. In addition, the card can be equipped with a magnetic memory and can be used as an electronic lock by storing a PIN code, etc.
Furthermore, the combination of this electronic locking mechanism and the mechanical lock using the stepped portion and the inclined portion allows for an increase in the types of card keys, and has the effect that the locking effect is extremely complete and reliable.

Note that the present invention is not limited to the above embodiments,
It is intended to encompass all modifications and variations that may readily occur to those skilled in the art from the above description.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing the internal structure of an embodiment of the card-type lock according to the present invention, and FIG. 2 is a front view showing the card insertion slot on the front side of the cabinet in which the card-type lock shown in FIG. 1 is installed. Fig. 3 is an enlarged perspective view of the latch mechanism, Fig. 4 is an explanatory diagram showing a partially modified embodiment, Fig. 5 is an enlarged plan view of the card key, and Figs. 6 to 8 are other embodiments of the card key. The example diagram, FIG. 9, is a main part configuration diagram showing still another embodiment of the present invention. 1−・−・・−・・・・・・−・・・・・・・・・・・・・
−・−Lock base frame 1a・−・−・・・・・−・・−
・・・−・・−・・−Card insertion slot 2−・・−・・
・・・・・・−・・−・・・・・−Card key 2a
・・−・−・・−・−・・・・・・・・・・・・・
Key concave and convex portion 2b------・-------
---・-----Stepped part and inclined part 2c...
・・−−−−1・−・・−・−・・−・−・−Concave groove or protrusion 2d−・−・・・・・・・−・−・・−・・−
・・・−・−・−・・Display 2e−−・・・・・・・
−・・−・・・・・・・−・・・・・−・・Magnetic memory 3−・−・・・・・・・−・−・・・・・・・・−
・・・−・・・・・・Cursor 4・・−−−−−−−・・
・・・・・・・・・−・・・・・・・・・・・・ Stopping device 4a
・・・−・−・−・−・・・・・・・〜・・・−・・・
−・−・・Latching hole 5・・−・・・・・・・−・・−・−
・・・・・・・・・−・・Locking piece 6・・・・・−
・・・・・・・・・・・・−・・−・・・・・・・−
Operation rod 7-・・・・・・・・・−・−・・・・・・・・・
・・・・・・・・・Compression spring 8－・・・・・・・・・・・・
・・・・・・・・・－・・・・・・・・・・・・ Lever 9・−・
・−・・・・・・・・・・−・・・・・・・・・・・・・−・
−・Guide member 10・・・・・・・・・・・・−
・・・・・・・・・・・・・Sliding part 11・・・・−
・・・・・・・・・・・・・・・・・・Card receiving part 1
1a・−・・・・・・・・・・・・・−・・・−・・
・Uneven portion 12・・−・−・・−・−・・・・−・−
-----Latch operation solenoid 13...
−・・・・・・・・・・−・−−−−−− Spring 14・
・・・－・・・・・・・−・−・・〜・・・・・・−・
・-Reading device 15...--
......Contact detection device 16-...
・・・－・・・・・・・・・・・・Password memory・・
・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・
・−・And gate drive circuit

Claims (1)

[Claims] 1) A predetermined key uneven portion (2a) on the side of the leading end in the insertion direction.
a card key (2) formed with a stepped part and a sloped part (2b) extending from the side to one side adjacent to the card key; and a card-type lock operated by the card key. hand,
A locking piece (5) that locks the base frame (1) by locking it with a predetermined locking device (4), and a latch mechanism (
7, 8, 9), and a card receiving part (11) is provided with a concave and convex part (11a) corresponding to the key concave and convex part (2a) at the tip of the card key, and a card key insertion slot. The stepped part and the inclined part (2b) of the card key inserted from (1a) lock the lever (8) of the latch mechanism.
) is pressed and moved, and the concave and convex portion of the card key (
2a) is configured such that when the card key is inserted to the innermost part with the concave and convex portion (11a) of the card receiving portion (11), the latch mechanism is activated and the lock is unlocked. A card-type lock consisting of and a card key thereof. 2) The locking piece (5) and the latch mechanism are connected via an operating rod (6), and the operating rod (6) is set in a direction in which the locking piece (5) engages with the locking device (4). An elastic spring (7) is provided, and when the card key (2) is inserted, the stepped portion and the inclined portion (2b) cause the latch mechanism to press against the elastic spring (7).
2. The card-type lock and card key according to claim 1, wherein the locking piece is operated in a direction in which the locking piece is disengaged from the locking device. 3) The key uneven portion (2a) of the card key (2) and/or
The card-type lock and its card key according to claim 1, wherein a hard plating layer is formed on the stepped portion and the inclined portion (2b). 4) One or more six stripes and/or groove strips (2c) are provided on the surface of the card key (2) along the insertion direction, and the card key (2) is provided with one or more six stripes and/or groove strips (2c) along the insertion direction. The above-mentioned protrusions and/or
The card type lock and its card key according to claim 1, further comprising a member having an uneven surface corresponding to the grooved strip (2c). 5) The card-type lock and its card key according to claim 1, wherein a display (2d) of an advertisement, a design, a design, etc. is applied to the surface of the card key (2). 6) Predetermined key uneven part (2a) on the side of the tip side in the insertion direction
a card key (2) on which a magnetic memory (2e) for storing a predetermined password code, etc. is formed; and a card-type lock operated by the card key (2), the base frame of which is formed. A locking piece (5) that locks (1) to a predetermined locking device (4), and a latch that is connected to this and releases the force in the direction in which the locking piece is released from the locking device. A solenoid (12) is provided, and a card receiving portion (11) is provided with a concave and convex portion (11a) corresponding to the key concave and convex portion (2a) at the tip of the card key (2). When the key unevenness (2a) of the card key inserted from the insertion slot (1a) matches the unevenness (11a) of the card holder (11) and the card key has entered the innermost part, this is detected. a reading device (14) for reading the PIN code, etc. of the magnetic memory (2e) of the card key, a memory (16) in which a predetermined PIN code, etc. is recorded in advance, and the reading device (14). ) and the signal recorded in the memory (16), and when the two match, a matching circuit (17) generates a predetermined signal, and a detection signal from the detector (15) and the matching circuit. A card-type lock is provided with a circuit (19) that generates an unlocking signal based on a coincidence signal from the circuit (17), and is configured such that the unlocking signal activates the latch solenoid (12) and unlocks the lock. A card-type lock consisting of , and its card key. 7) The card type lock and its card key according to claim 6, wherein a hard plating layer is formed on the key uneven portion (2a) of the card key (2). 8) One or more protrusions and/or grooves (2c) are provided on the surface of the card key (2) along the insertion direction, and the card key (2) is provided with one or more protrusions and/or grooves (2c) along the insertion direction, and the card key (2) is provided with one or more protrusions and/or grooves (2c) along the insertion direction, and the card The above-mentioned protrusions and/or
The card type lock and its card key according to claim 6, further comprising a member having an uneven surface corresponding to the grooved strip (2c). 9) The card-type lock and its card key according to claim 6, wherein a display (2d) of an advertisement, a design, a design, etc. is applied to the surface of the card key (2).