JPS63192188A - Lock for cash register - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] (Industrial application field) The present invention relates to a locking device for a cash register.

(Prior art) Conventionally, as a locking device for a cash register, the Utility Model 60-2 was used.
There is a technique disclosed in Japanese Patent No. 9870.

This locking device will be explained with reference to FIGS. 3 and 4.

A lock portion 118 is rotatably attached to the substrate 101 via a shaft 120.

The upper end is formed into a bent piece 122 that passes through a through hole 102 formed in the substrate 101 and is bent toward the back side of the substrate 101.
The lower end communicates with the rod 117 of the solenoid 116.

100 is a hook portion, which connects the substrate 101 via a shaft 126.
It is rotatably attached to the shaft. The tip of the hook portion 100 is formed into a hook shape, and is configured to be able to lock with a locking tool 109 fixed to a drawer (not shown).

Further, the rear part of the hook part 100 is formed into an arm 111,
The bending piece 122 provided on the upper part of the locking part 118 and the upper part of the arm 111 are engaged with each other to prevent the hook part 100 from rotating, and the drawer (not shown) is locked.

Reference numeral 104 denotes an operating section, which is rotatably attached to the substrate 101 via a shaft 105. A bent piece 108 is formed at the upper part, which is bent perpendicularly to the front side with respect to the drawing. The lower part is formed into a hook-shaped locking part 106. Note that axis 1
05 is fixed to the substrate 101 through an elongated hole 107, and the actuating portion 104 can be moved back and forth by the length of the elongated hole 107.

Reference numeral 112 designates a limit switch, which is turned on when the contact 114 is pressed in the direction of arrow y with the actuating arm 110, enabling key-in of a cash register (not shown).

To explain the operation, the state of the hook portion 100 before locking is that the bent piece 122 of the lock portion 11B and the arm 111
The upper part of the hook part 100 is not locked, and the tip of the hook part 100 is inclined to the position shown by the dashed line.

When a drawer (not shown) is pushed in in this state, the tip of the locking tool 109 fixed to the drawer comes into contact with the contact edge 113 of the hook portion 100. Then, the hook part 100 is attached to the shaft 126
The arm 111 rotates clockwise (in the opposite direction of the arrow Z), and the side edge of the arm 111 is rotated clockwise around the
Push in the direction of arrow V. Then, when the hook portion 100 rotates by the amount necessary to lock the locking tool 109, the bent piece 12
2 and the upper part of the arm 111 are engaged, and the coil spring 1
It is locked by the elastic force of 24. At that time, the locking tool 109
is biased in the direction of arrow X by a spring (not shown), and a locking rod 102 protrudes from the front side of the hook portion 100.
is locked in the locking part 106 of the actuating part 104, and the actuating part 104
Pull the whole thing in the direction of arrow X. Then, the actuating part 104 moves forward by the length of the elongated hole 107, and the bending piece 108 pushes the actuating arm 110 of the limit switch 112 in the direction of arrow y, turning the contact 114 ON.

When the limit switch 112 is turned on, the key of the cash register can be keyed in.

To release the lock and pull out the drawer, a switch (not shown) is turned on to operate the solenoid 116.

When the solenoid 116 is activated, the rod 117 moves in the direction of arrow W, and the lock portion 118 rotates in the direction of arrow V. At that time, the bent piece 122 of the lock part 118 and the hook part 1
00 is released from the upper part of the arm 111, the hook portion 100 rotates again to the position shown by the dashed line, the locking tool 109 is released, and the locking rod 102 and the actuating portion 104 The locking of the locking portion 106 is also released, and the actuating portion 10
4 moves backward under the elastic force of the operating arm 110, the limit switch 112 is turned OFF, and key-in of the cash register becomes impossible.

(Problems to be Solved by the Invention) However, the above conventional method has the following problems.

As mentioned above, the actuator 104 is a limit switch 112.
It can be moved back and forth to turn it on and off. When the drawer is in the locked state, the drawer (ie, the locking tool 109) is biased in the X direction, which also pulls the actuating part 104 in the same direction, causing the limit switch 11
2 is turned on. However, the drawer is formed so that there is some play in the X direction shown in the figure even in the locked state. For this reason, if vibrations are applied to the drawer due to some external force, the limit switch will turn ON and OFF accordingly.
There is a problem with F.

Especially in recent cash management systems that link cash registers and computers, limit switches can be turned on and off.
There is a method in which FF is recorded as drawer opening/closing information over time, but the limit switch is turned on regardless of whether the drawer is opened or closed.

If turned off, there is a problem that the normal operation of the cash register is hindered and false information can be mixed into the computer system, leading to the possibility of misuse such as interfering with cash management.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a locking device for a cash register having an operating section that does not move even if the hook section is swung once the hook section is in the locked state.

(Means for Solving the Problems) In order to solve the above problems, the present invention has the following configuration.

That is, the drawer latching tool was provided so that the drawer could be latched when the drawer was pushed in, and the hook part was provided so that it could be rotated in sliding contact with the board, and the latching tool latched the hook part to the hook part. In a locking device for a cash register, the locking device is provided with a locking part that locks in position, and has a lock release means that releases the locking of the hook part by the locking part, wherein the hook part is provided to the board so as to be slightly movable in the withdrawal direction; An operating part is provided that moves in conjunction with the movement of the hook part in a state where the drawer latch is latched to the hook part, and turns on a switch mechanism electrically connected to the key of the cash register; A stopper mechanism is provided to fix the actuating part at a position where the switch mechanism is turned on, and when the locking part of the hook part is released by the lock release means, the stopper of the actuating part is released and the switch mechanism is turned off. It is characterized in that it is provided with a stopper release means for setting the state.

(effect) The operation will be explained with reference to the drawings.

1 and 2 are a front view and a rear view of the locking device in a locked state.

The contact point 28 of the limit switch 26, which is a switch mechanism, is pressed in the direction of the limit switch 26 by the front edge of the bending piece 40 of the actuating portion 32, so that the operating arm 30 is pressed in the direction of the limit switch 26.
It is in the N state. At this time, as shown in FIG.
The bent piece 42 is depressed into a notch 62, which is a stopper mechanism, and is prevented from moving rearward (toward the right in the drawing) of the bent piece 42. Therefore, rearward movement of the entire actuating portion 32 is prevented, so that in the locked state, the limit switch 26 can always remain in the ON state even if an external force is applied.

(Embodiments) Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

First, the configuration will be explained.

In FIG. 1, lO is a substrate, which is formed by bending a flat plate.

Reference numeral 12 denotes a lock portion, which is rotatably attached to the substrate 10 in sliding contact with the shaft load 4. The upper end of the lock portion 12 passes through a through hole 16 provided in the substrate 10 and is bent toward the back side of the substrate 10. On the other hand, the lower end of the lock portion 12 is formed into a bent portion 18, and the bent portion 18 is located within a notch 24 at the tip of the rod 22 of the solenoid 2°0.

Reference numeral 26 denotes a limit switch which is a switch mechanism, and is turned ON when a contact point 28 is pressed by an operating arm 30 having a resilient force, thereby enabling key-in of a cash register (not shown).

Reference numeral 38 denotes a hook portion (see FIG. 2), which is rotatably attached to the substrate 10 by a shaft 46 in sliding contact. The shaft hole 48 through which the shaft 46 of the hook portion 38 is inserted is formed as an elongated hole, and the hook portion 38 is movable back and forth within the length of the elongated hole.

The tip of the hook portion 38 (the left end in the drawing of FIG. 2) is formed into a hook that can be engaged with a locking tool 50 fixed to a drawer (not shown) of the cash register, and the other end is formed into an arm portion 52. has been done. The upper end of the arm portion 52 is adapted to engage with a bent piece 58 on the upper part of the lock portion 12 when locked, and there is a gap between the bent piece 58 and a protrusion 56 formed in the hook portion 38. The rack biases the locking portion 12 to rotate in the direction of arrow C by the elastic force of the coil spring 60, thereby preventing the locking portion 12 from being disengaged from the arm portion 52.

Further, the coil spring 60 biases the hook portion 38 to rotate counterclockwise about the shaft 46 when the lock is released.

Reference numeral 32 denotes an operating section, which is rotatably attached to the substrate 10 via a shaft 34. The shaft hole 36 through which the shaft 34 of the actuating part 34 is inserted is formed into a long hole, so that the actuating part 3
2 is movable back and forth by the length of the shaft hole 34.

The lower part of the actuating part 32 is formed into a hook-shaped locking part 33 in which a protrusion 40 provided on a hook part 38 is movable.

A bent piece 40 is formed at the upper end of the actuating part 32 and is perpendicular to the plane of the drawing and bent toward the front side.
The end surface of the actuating arm 30 side contacts the actuating arm 30, and the actuating portion 32 moves back and forth as described above to operate the limit switch 26. As shown, a through hole 4 is formed in the substrate 10.
4 is formed with a bent piece 42 that penetrates toward the back surface.

As described above, the actuating portion 32 moves within the range of the elongated shaft hole 36, and at this time, the lower surface of the bent piece 42 slides into contact with the lowered surface of the through hole 44 and moves. The bending piece 40 is placed on the inner and lower surface of the through hole 44 at a position where the actuating portion 32 moves and the end face of the bending piece 40 presses the actuating arm 30 of the limit switch 26 to turn the limit switch 26 ON. A notch 62 into which 42 falls is formed one step lower.

Next, reference numeral 54 denotes an extension piece serving as a stopper release means extending outward from the hook portion 38, and as will be described later, the lock is released and the coil spring 60 is biased to move the hook portion 38 to the second position. When rotating counterclockwise to return to the state indicated by the dashed dot line in the figure, the bending piece 42 provided on the actuating portion 32 is pushed up from within the notch 62 to preliminarily engage with the notch 62.

Reference numeral 63 denotes a protrusion drilled in the board 10, which is provided to restrict the amount of rotation when the hook 38 rotates counterclockwise under the biasing force of the coil spring 60 when the lock is released. The rotation of the hook portion 3B stops at the position where it comes into contact with the notch 64 formed in the hook portion 38 (the position shown by the dashed line).

The locking device for a cash register according to the present invention is configured as described above.

Next, the operation will be explained.

Before locking, the hook portion 38 is in the position shown by the dashed line in FIG. 2, and the actuating portion 32 is pushed by the actuating arm 30 of the limit switch 26 and moved to the most retracted position. The actuating arm 30 is biased to the left in FIG. 1 by a spring disposed within the limit switch 26. In this state, limit switch 2
6 is of course in the OFF state. Also, in this state, the bending piece 42 of the actuating part 32 is located at the rear inside the through hole 44,
It has not fallen into Notsuchi 62.

At this time, if you push in the drawer of the cash register (not shown),
The distal end of the locking tool 50 fixed to the drawer abuts the abutting edge 39 of the hook portion 38a indicated by a chain line. This force causes the hook portion 38a to rotate clockwise in FIG. 2 about the shaft 46 against the elastic force of the coil spring 60.

When the arm 52a rotates by a predetermined amount, the bent piece 58 at the top of the lock portion 12 and the side edge of the arm 52a come into contact with each other, and the lock portion 12
1. Turn once in the direction to gradually release the lock (in the opposite direction of arrow C). When the upper end of the arm 52a slides onto the lower surface of the bent piece 58 due to the rotation, the lock portion 12 is rotated in the direction of the arrow C around the shaft 14 due to the elastic force of the coil spring 600, as shown by the solid line. The upper end of the arm 52 and the bent piece 5 on the upper part of the locking part 12 are locked, and the locking tool 50 is locked at the tip of the hook part 38.
will not come out, and a drawer (not shown) will be locked. At this time, since the drawer is always urged in the opening direction (in the direction of arrow A) by a spring (not shown), the locked hook portion 38 is pulled in the direction of arrow A by the locking tool 50. Then, the hook portion 38 is moved by the length of the elongated hole 48 as shown by the arrow A.
As the protrusion 40 advances in the direction of
3, and move the actuating part 32 forward (in the direction of arrow A).
Pull to. Since the actuating part 32 is also movable by the length of the shaft hole 36, the actuating part 32 moves forward, and the bending piece 40 pushes the actuating arm 30 of the limit switch 26 forward to turn on the contact 28.

When the contact 28 is turned on, a key (not shown) can be keyed in. When the bent piece 40 presses the actuating arm 30, the bent piece 42, which was located inside the through hole 44, also has its lower surface aligned with the through hole 44.
It moves forward while sliding against the lower edge of.

The lower end of the bent piece 42 falls into a notch 62 provided in the through hole 44 when the actuating arm 30 turns on the contact 28 . Once the bent piece 42 falls into the notch 62, it is blocked by the front wall of the through hole 44 and the rear wall of the notch 62, and cannot move back and forth. Therefore, the actuating portion 32 is fixed, and the actuating arm 30 can keep the contact 28 in the ON state.

Even if the drawer vibrates for some reason, the operating part 32
is fixed as is.

Next, to release the lock, the solenoid 20 is activated using a switch (not shown). Then, the rod 22 is pulled in the direction of the arrow B, so the lock part 12 moves the coil spring 60 in the direction opposite to the arrow C to release the engagement between the bent piece 58 and the upper end of the arm 52 of the hook part 38 about the shaft 14. rotates against the elastic force of

At this time, since the hook portion 38 is always urged to rotate counterclockwise under the elastic force of the coil spring 60, the upper end of the arm 52 is disengaged and the notch 64 is rotated counterclockwise. Rotate until the protrusion 63 comes into contact (the position shown by the dashed line).

During the rotation of the hook portion 38, the extending piece 54 comes into contact with the lower part of the bending piece 42 of the operating portion 32, and pushes the bending piece 42 up from within the notch 62. When the bent piece 42 is removed from the notch 62, the engagement between the protrusion 40 of the hook portion 38 and the locking portion 33 of the actuating portion 32 is also released, and the actuating portion 32 becomes free. At this time, the elastic force of the actuating arm 30 is transferred to the bending piece 40.
is received, the actuating part 32 retreats, and the contact point 2 of the actuating arm 30
8 is also released, the contact point 28 is turned OFF, and the cash register (not shown) cannot be keyed in.

Although the preferred embodiments of the present invention have been described in detail above,
The present invention is not limited to the above-described embodiments (of course, many modifications can be made without departing from the spirit of the invention).

(Effects of the Invention) When the locking device for a cash register according to the present invention is used, once the switch mechanism is turned on, the stopper structure acts to prevent the operating part from swinging, so no external force is applied to the drawer. Even if the drawer vibrates, the limit switch will not turn ON or OFF, and false information will not be entered in the opening/closing information record of the cash register. It also has the effect of preventing fraud and abuse.

[Brief explanation of the drawing]

FIG. 1 is a front view of a locking device for a cash register according to the present invention, FIG. 2 is a rear view thereof, FIG. 3 is a front view of a conventional locking device for a cash register, and FIG. The figure is its rear view. 10... Board, 12... Lock part, 20...
Solenoid, 22... Rod, 26... Limit switch, 28... Contact, 30... Operating arm, 32...
Actuation part, 38.38a... Hook part, 40.42
...Bending piece, 44...Through hole, 50...Locking tool, 52.52a...Arm, 54...Extending piece,
58...Bent piece. X-plane Figure 1 Figure 2

Claims (1)

[Claims] 1. A drawer locking tool is provided so that the drawer can be locked when the drawer is pushed in, and the hook portion is rotatable in sliding contact with the board, and the locking tool is connected to the hook portion. In a locking device for a cash register, the locking device is provided with a locking part that locks in position, and has a lock release means that releases the locking of the hook part by the locking part, wherein the hook part is provided to the board so as to be slightly movable in the withdrawal direction; An operating part is provided that moves in conjunction with the movement of the hook part in a state where the drawer latch is latched to the hook part, and turns on a switch mechanism electrically connected to the key of the cash register; A stopper mechanism is provided to fix the actuating part at a position where the switch mechanism is turned on, and when the locking part of the hook part is released by the lock release means, the stopper of the actuating part is released and the switch mechanism is turned off. A locking device for a cash register, characterized in that it is provided with a stopper release means for setting the state.