JPH0696922B2 - Card lock with key card for master - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention is a card lock for unlocking a lock such as a latch lock and a cane lock using a card, and there is a desired number of sub-locks and sub-keys, The present invention relates to a card lock having a master key card (hereinafter referred to as a master card) including these and a master key that is a source of the key.

(Prior art and its problem) Conventionally, a latch set with a master key, which is composed of a desired number of sub-keys and a master key which is the basis thereof, is known in latch tablets, lanterns, and other locks, but the shape of the key, The structure was manufactured by cutting the edge of the metal fitting into an uneven shape. With this shape, it is not possible to increase the number of types of children's keys, and when the keys are made of metal and the edges are uneven, they may be carried in a pocket, or even if they are damaged, it is inconvenient to carry. .

In addition, with the trend of fashion cards such as cash cards and credit cards, there has been a demand for card-shaped cards.

(Means for Solving the Problems) The present inventor has made various efforts to solve the above-mentioned problems, and as a result, a card having a portable key formed of a card having a size equal to or smaller than a cash card. Find the lock,
More specifically, the inventors have found a card lock with a master cart that has a desired number of child locks and child lock cards, and further comprises a master lock that is the basis for unlocking these.

The configuration is characterized by the following points.

It has a desired number of sub-locks, sub-keys, and a master key card for unlocking the lock, wherein the sub-locks are composed of different types of engaging pins in the desired number and desired arrangement, and The engagement pin includes a protrusion and a stepped protrusion adjacent to the protrusion, and is configured to push desired engagement pins of these engagement pins and not push the remaining engagement pins. By inserting a child key card having a pin insertion hole into the card insertion hole of the lock and disengaging the engagement pin from the slide member, the slide member can be moved, while the master key card is provided with the above step. An insertion hole is formed so as to push the protrusion, and the slide member can be moved by inserting the card into the card insertion hole of the lock and releasing the engagement between the engagement pin and the slide member. With key card for master characterized Card lock.

(Operation) In the card lock with the master card of the present invention, a single master card can unlock all the child locks including a desired number of child locks and child lock cards. Therefore, if the lock of the present invention is used in a hospital, an apartment, a hotel, etc., even if the key of each room is lost, it can be unlocked with the master card.

(Examples) Examples of the present invention will be described below.

FIG. 1 shows an exploded view of the fixing plate of the padlock. Reference numeral 1 is an upper plate, and as is apparent from the plan view, the AA cross-sectional view, and the BB cross-sectional view, pin fitting holes 1a ... for arranging a desired number of different kinds of engaging pins are arranged in parallel. (6 in the drawing
Individual pin insertion holes are shown), a shaft hole 1b for pivotally supporting an engagement pin, which will be described later, and a stopper projection 1c are formed at one end, and a corresponding portion 1d of a slide plate is formed at the other end. 1e is a coupling hole. A lower plate 2 has six pin insertion holes 2a, which are arranged in parallel, corresponding to the pin insertion holes 1a, as is apparent from the plan view and the sectional view taken along line CC. Reference numeral 2b denotes a protruding piece, which is inserted into the coupling holes 1e, 1e to form a fixed plate from the upper plate 1 and the lower plate 2.

2A and 2B show a front view and a side view of dissimilar (two kinds of) engagement pins. The engaging pins 3 and 4 are integrally molded of synthetic resin, and the engaging protrusions 3a and 4a are provided at one end of the main body, and the projecting portions 3b and 4b are provided at the upper end portion and a stepped projecting portion adjacent thereto. It has 3c and 4c, and the rotating shafts 3d and 4d and the spring piece 3 at the other end.
e and 4e. These are inserted into the pin insertion holes of the fixed plate and are rotatably supported. The rotation shafts 3d and 4d are inserted into the shaft hole 1b, and the spring pieces 3e and 4e are lowered. It is supported by the bottom 2c of the board. The mounting state is shown in FIGS. 4A and 4B. In this state, the protrusions of the main body of the engaging pins 3 and 4
3b, 4b and the stepped projections 3c, 4c project above the pin fitting hole 1a, and the engaging projections 3a, 4a project laterally to the pin fitting holes 1a, 2a, as shown in the drawing. The position is different. Then, when the upper part of the main body is pushed downward, the engaging pin pivots downward about the pivot axis as a fulcrum against the elastic force of the spring piece, and when the pushing force is released, it returns to the original state.

FIG. 3 shows a plan view of the slide plate 6 and a D-D sectional view thereof. Reference numeral 6a is an engagement groove into which the engagement protrusions 3a and 4a of the engagement pin pivotally rotatably attached to the pin insertion hole are inserted. It extends over the entire length in the width direction, and six pieces are formed. Then, the central portion between the engaging grooves is cut out so as to communicate with the groove, and the guide groove 6b is formed at the central portion in the longitudinal direction. 6c and 6d are protrusions formed between the grooves. When the slide plates 6 are slidably juxtaposed on the side surface of the fixed plate as shown in FIG. 4,
The curved surface is also formed so as to abut the curved surface on the side surface of the fixing plate.

4A and 4B show the engagement protrusions (3a, 3a ₁ , 3a ₂ positions, 4a, 4a, 3a ₁ and 3a ₂ positions when the engagement pin is not pushed, and when the protrusion or the stepped protrusion is pushed by the card. 4a ₁ and 4a ₂ ) and the guide groove. That is, the engaging protrusions at the positions of 3a ₁ , 3a ₂ 4a, 4a ₂ are in the guide groove, and the slide plate can slide.

FIG. 5 shows a child key card 7 having a size and thickness about the size of a cash card, and a desired number of pin insertion holes 7a for pushing the projections of desired engaging pins and not pushing the remaining pins. (4 in the drawing) are formed. This card can be made even smaller than the cache card by making the engaging pins small so that the distance between them is small.

FIG. 6 shows a master card 70, which has pin fitting holes 70a ... Corresponding to the engaging pins, the holes are fitted in the protrusions, and the stepped protrusions are pushed by the card. It is constructed in size. However, all the engaging pins are formed so as to come to the positions of the guide grooves when slightly pushed by the master card.

As can be understood from the above, the engagement pins 3 and 4 rotatably supported by the fixed plate are different types of engagement pins, and are the slide plate 6.
The engaging position of the engaging groove 6a is different. That is, when the engaging pin pushes the protrusion or the stepped protrusion by the child key card or the master card and the height position of the engaging protrusions 3a, 4a of the engaging pin comes to the position of the guide groove 6b. The slide plate 6 can be slid. If any of the engaging protrusions is displaced from the position of the guide groove and is accommodated in the position of the engaging groove 6a, the slide plate is obstructed by the engaging pin and cannot slide.

FIGS. 7A, 7B and 7C show a state using a kind of engaging pin in relation to the keypad card or the master card. FIG. 7A shows a state where a kind of engaging pin 3 is pushed down into the fixing plate by the non-hole portion of the child key card 7 and the engaging protrusion 3a is positioned in the guide groove 6b of the slide plate 6. That is, the slide plate is slidable. 8 is the body case,
Reference numeral 9 is a lid, and 10 is a card insertion slot. FIG. 7B shows the protrusion 3b of the engagement pin 3 and the stepped protrusion 3c in the pin insertion hole 7a of the card.
Is engaged, the engaging pin is not pushed, and the engaging protrusion 3a is engaged with the engaging groove 6a.
It is in the position of and the slide plate cannot slide. FIG. 7C shows a state in which the step protrusion 3c of the engaging pin is pushed by the master card and the engaging protrusion 3a is positioned in the guide groove. In this embodiment, when the projection of the engagement pin 3 is pushed down by the non-hole portion of the child key card, the engagement projection is positioned in the guide groove 6b, and the engagement pin 4 which is not pushed by the child key card is engaged. The projection 4a is pre-positioned in the guide groove 6b so that the slide plate can slide.

Further, the stepped projections of all the engaging pins are slightly pushed down by the master card to position all the engaging projections in the guide grooves.

FIG. 8 shows a perspective view of the card lock of the present invention. The lock type 11 locks and unlocks the lock 11 by the turning operation of the operating handle 12 so that the lock 11 appears and disappears. This operation is the card insertion slot
Insert the card into 10 to make the slide plate slidable,
The sliding plate is moved by the rotation of the handle 12, and the structure is designed to move directly or indirectly with the sliding plate. As the moving structure of the slide plate and Kannuki, the moving structure of the slide plate and Kannuki disclosed in the conventionally known push-button lock can be used. Further, as for the interlocking of the slide plate and the latch, the conventional technique can be appropriately adopted through the intermediate member. Reference numeral 10a denotes a raised convex portion provided in the card insertion slot, and the tip end portion of the engaging pin is fitted in the concave portion 10b between the convex portions. In this way, the rotation width of the engagement pin can be increased even if the thickness of the card is reduced.

(Other Embodiments) Various embodiments of the present invention have been described, but various design modifications can be made as further embodiments without departing from the technical idea of the present invention.

For example, in the case of engaging pins, the shapes of different types of engaging pins, the size, the number of the shape pins, the arrangement method, the material of the card,
The thickness, the method of providing the fitting hole, the shapes and structures of the slide member and the fixing member can be changed. An example is shown below.

FIG. 9 shows a front view and a side view of three types of engaging pins of a child lock, and FIG. 10 shows an example of a child hook card adapted to them. In FIG. 9, two types A and C show substantially the same shape as the engaging pin shown in FIG.
The seed is provided with double protrusions 22b 'and 22b. However, in the lever key 24, the non-hole portion is the protrusion 21b of the engaging pin 21.
The small fitting hole 24b is fitted into the protrusion 22b of the engaging pin 22 and pushes the lower protrusion 22b 'to position the engaging protrusions of both engaging pins in the guide groove of the slider. Further, the large fitting hole 24a is fitted into the projection portion 23b of the engagement pin 23 so that the engagement pin is not pushed and the engagement projection 23a is located in the guide groove. 21a, 22a and 23a are engaging protrusions. Further, the three types of engagement pins respectively form stepped projections 21c, 22c, 23c.
As in FIG. 6, the protrusion is inserted into the insertion hole, and the insertion hole through which the adjacent stepped protrusion is pushed is formed corresponding to the engagement pin. ,
The engagement pin and the slider are disengaged and unlocked.

(Effect) As can be understood from the above explanation, the present invention is a set of a master card, a child lock and a child lock card, and the child lock can be unlocked by each child lock card and All the locks can be unlocked with Mastercard. Therefore, if a set of card locks according to the present invention is used for locking and unlocking individual rooms such as a series of apartments, dormitories, hotels, etc., the locks can be easily managed.

In addition, since a card that is convenient for carrying is used as a key, it can be unlocked simply by inserting it into the card insertion hole, and the operation is simple.

[Brief description of drawings]

1 shows an embodiment of the present invention, and FIG. 1 is an exploded view of a fixed plate, which is a plan view of an upper plate and a lower plate and A-A, B-
2B and 2C are sectional views, FIG. 2A and 2B are front and side views of the engaging pin, and FIG. 3 is a plan view of the slide plate and its D-
D sectional view FIGS. 4A and 4B are views showing a mounting state of the engaging pin attached to the fixed plate and the slide plate, FIG. 5 is a plan view of a main part of the keypad card, and FIG. 6 is a plan view of a main part of the master card. , Fig. 7
A and B are child lock cards in the card lock, FIG. 7C is a mounting state diagram of the engagement pin and the slide plate when the master card is inserted in the card lock, and FIG. 8 is a perspective view of the card lock. The drawing shows another embodiment of the engaging pin, and is a front view and a side view of three kinds of engaging pins, and FIG. 10 is a plan view of essential parts showing an embodiment of the keypad card used for the lock of FIG. is there. 1 ... Top plate, 1a ... Pin insertion hole, 2 ... Bottom plate, 2a ... Pin insertion hole, 3,4 ... Engaging pin, 3a, 4a ... Engaging protrusion, 3b, 4
b …… projection part, 3c, 4c …… step projection part, 6 …… slide plate, 6a …… engagement groove, 6b …… guide groove, 7,24 …… child key card, 7a, 24a, 24b… … Pin insertion hole, 10 …… Card insertion port, 11 …… Lock member (kanuki), 21,22,23 …… Engage pin, 21a, 22a, 23a …… Engagement projection, 21b, 22b, 22b ′, 23b ……
Projection, 21c, 22c, 23c …… Step projection, 70 …… Master card, 70a …… Pin insertion hole

Claims (1)

[Claims] 1. A desired number of child locks, a child lock card, and a master lock card for unlocking the lock, wherein the child lock has a different number of engaging pins and a desired arrangement. And, these engagement pins are provided with a protrusion and a step protrusion adjacent to it, so as to push the desired engagement pin of these engagement pins and not push the remaining engagement pins. The child key card having the pin insertion hole configured in (1) is inserted into the card insertion hole of the lock, and the slide member can be moved by releasing the engagement between the engaging pin and the slide member. A fitting hole is formed so as to fit the projection of the engaging pin and push the step projection without pushing the projection, and the card is inserted into the card insertion hole of the lock. By releasing the engagement between the dowel pin and the slide member, Card tablets with key master card, which comprises a de member movable.