JP3439090B2 - Electronic scales - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hanging type electronic scale which is used in a state where it is hung from a ceiling or a beam in a store or the like that handles merchandise to be sold by weight.

[0002]

2. Description of the Related Art Conventionally, in a store that handles merchandise to be sold by weight, the weight of the product is weighed, the selling price of the product is calculated from the weighing result and the unit price of the product, and the unit price, weight, selling price, etc. of the product. Electronic scales are used to issue labels and receipts on which is printed. There are various types of such electronic scales. For example, a mounting type electronic scale that is used while being mounted on a table, or a hanging type that is used while being suspended from a ceiling or a beam. Electronic balances are known.

Here, the structure of the suspension type electronic scale will be described with reference to FIGS. 3 and 4. In this electronic scale, a suspension frame 2 is fixed to an upper surface of a main body case 1, and an upper end portion of the suspension frame 2 is hooked on a hook or a beam attached to a ceiling.

In the body case 1, a holder shaft 6 for holding a label roll 5 in which a label 4 is attached to a mount 3 and wound in a roll shape, is connected to a motor (not shown) and is rotationally driven. As a result, the label roll 5 is pulled out and the backing sheet 3 is wound up, the platen 8, the thermal head 9 for printing a predetermined item on the label 4, the peeling plate 10 for peeling the label 4 on which the predetermined item is printed from the backing sheet 3. , A load cell (not shown), a control unit (not shown) for controlling the load cell, the thermal head 9, the motor and the like are housed.

On the front surface of the body case 1, a plurality of keys 11 such as a product key and a numeric keypad for specifying the product to be weighed.
a keyboard 11 provided with a, a display section 12 for displaying the product name specified by the key 11a, the unit price of the product, the weight of the product measured by the load cell, the selling price of the product, and the like displayed on the display unit 12 An issue port 13 is provided for issuing the label 4 on which items are printed by the thermal head 9. The display unit 12, the keyboard 11, and the issuing port 13 are arranged vertically. A display unit 14 is provided on the back surface of the main body case 1 to inform the customer of the measured weight, selling price, etc. The display unit 14 displays the same items as those displayed on the display unit 12. It A lid 15 that is opened when the label roll 5 is mounted in the main body case 1 is attached to the side surface of the main body case 1 so as to be openable and closable.

A dish receiving arm 16 extends downward from the bottom surface of the body case 1. Plate receiving arm 16
The upper end of the plate is connected to the load cell, and the dish receiving arm 1
A weighing pan 17 on which a sample is placed is fixed to the lower end of 6.

When measuring and selling a product using this electronic scale, the product to be sold is placed on the weighing pan 17, and the key 11a for specifying the product is pressed. As a result, the product is automatically weighed, the selling price of the product is calculated from the measured weight and the unit price of the product, and the predetermined items such as the product name, weight, unit price and selling price of the product are displayed on the display unit. 1
Nos. 2 and 14 are displayed, and the displayed predetermined items are printed on the label 4 by the thermal head 9. The label 4 on which predetermined items are printed is peeled from the mount 3 and issued from the issuing port 13, and the clerk attaches the issued label 4 to the wrapping paper or the like of the measured product.

[0008]

Since the display section 12, the keyboard 11 and the issuing port 13 are vertically arranged on the front surface of the main body case 1, the vertical width of the main body case 1 is large. Therefore, the body case 1 becomes large.

Further, since the label 4 is issued toward the front surface of the main body case 1, the thermal head 9 can print on the label 4 conveyed in a substantially horizontal direction toward the issuing port 13. Are arranged in a substantially horizontal direction. Therefore, the path through which the label roll 5 pulled out from the holding shaft 6 is conveyed toward the issuing port 13 and the path through which the backing sheet 3 from which the label 4 has been peeled are conveyed toward the winding shaft 7 are close to each other. In addition, the label roll 5 is the issuing port 13
It is bent at an acute angle while being conveyed toward. Therefore, the mounting work for mounting the label roll 5 in the main body case 1 is complicated and troublesome. Further, since the label roll 5 is bent at an acute angle, a large motor having a large output is required as a motor for rotating the winding shaft 7 to pull the label roll 5, resulting in a high cost.

Further, when the label 4 peeled from the mount 3 is taken out from the issuing port 13, the label 4 is taken out by pulling it upward, so that the label 4 is taken out.
The work to remove from is complicated.

Therefore, according to the present invention, the body case can be downsized, or the number of keys of the keyboard can be increased without increasing the body case to improve the function of the electronic scale. An object of the present invention is to provide an electronic scale capable of improving workability when mounting roll paper in a main body case and workability when taking out a printed roll paper from an issuing port.

[0012]

The invention according to claim 1 is
A print head for printing predetermined items on a roll paper pulled out from a rolled state and a measuring unit are housed in a main body case, and a keyboard having a plurality of keys is arranged on the front surface of the main body case, and the measuring unit and In an electronic scale in which a dish receiving arm connecting to a weighing dish is extended downward from the main body case, an issuing port for issuing the roll paper on which predetermined items are printed by the print head is provided on the bottom surface of the main body case. Formed. Therefore, the roll paper on which the predetermined items are printed by the print head is issued downward from the issuing port formed on the bottom surface of the main body case. When taking out the roll paper issued from the issuing port, the clerk facing the front part of the main body case pulls it toward you.

According to a second aspect of the present invention, in the electronic balance of the first aspect of the invention, a holding portion for holding the roll paper is provided above the issuing port, and the roll paper is conveyed downward in the conveying direction. The print heads are arranged in a substantially vertical direction, and the print heads are arranged between the front side of the main body case in which the keyboard is arranged and the roll paper issued from the issuing port. Therefore, the roll paper conveyed toward the issuing port has few bent portions, and the conveyance path thereof is simplified. In addition, the printing surface of the roll paper issued from the issuing port is directed to the clerk who operates the keys on the keyboard without complicating the roll paper transport path, so the clerk looks at the printing surface of the roll paper in the process of being issued. It is possible to improve the visibility of the printed contents by the clerk.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described with reference to FIGS. The same parts as those described in FIGS. 3 and 4 are designated by the same reference numerals. The suspension frame 2 is fixed to the upper surface of the body case 18,
The upper end of the hanging frame 2 is hooked on a hook or a beam attached to the ceiling.

In the main body case 18, a holding shaft 6 which is a holding portion for holding a label roll 21 in which a label 20 which is a roll paper is attached to a mount 19 and wound in a roll shape,
A take-up shaft 7, a platen 8, and a label 2 for winding the mount 19 by being connected to a motor (not shown) and driven to rotate.
0, a thermal head 22 which is a print head for printing a predetermined item, a peeling plate 10 for peeling the label 20 on which a predetermined item is printed from a mount 19, a load cell (not shown) which is a measuring unit, a load cell or a thermal head 22, A control unit (not shown) for controlling the motor and the like is housed.

On the front surface of the body case 18, a plurality of keys 2 such as a product key and a numeric keypad for specifying the product to be weighed.
A keyboard 23 provided with 3a and a display unit 12 for displaying the product name specified by the key 23a, the unit price of the product, the weight of the product measured by the load cell, the selling price of the product, and the like are provided. A display unit 14 is provided on the back surface of the main body case 18 to notify the customer of the measured weight, selling price, etc. The display unit 14 displays the same items as those displayed on the display unit 12. To be done. A lid 15 that is opened when the label roll 21 is mounted in the body case 18 is attached to the side surface of the body case 18 so as to be openable and closable.

A plate receiving arm 16 extends downward from the bottom surface of the main body case 18. An upper end of the pan receiving arm 16 is connected to the load cell, and a weighing pan 17 on which a sample is placed is fixed to the lower end of the pan receiving arm 16.

Further, on the bottom surface of the body case 18, there is formed an issuing port 24 for issuing the label 20 on which the predetermined items displayed on the display section 12 are printed by the thermal head 22. The holding shaft 6 is arranged above the issuing port 24, and the label roll 21 pulled out from the roll state is conveyed downward toward the issuing port 24. Then, the thermal head 22 for printing predetermined items on the label 20 of the label roll 21
Are arranged in a substantially vertical direction along the transport direction of the label roll 21. In addition, the thermal head 22
Is the label 20 issued from the front side of the main body case 18 provided with the keyboard 23 and the issuing port 24.
It is located between and.

In such a structure, when the electronic scale is used to measure and sell the product, the product to be sold is stored in the weighing pan 17 in the same manner as the conventional electronic scale described in FIGS. 3 and 4. Put it on the top and press the key 23a that identifies the product. As a result, the merchandise is automatically weighed, the selling price of the merchandise is calculated from the measured weight and the unit price of the merchandise, and predetermined items such as the weight, the unit price, and the selling price of the merchandise are displayed on the display units 12, 14. Is displayed, and the displayed predetermined item is printed on the label 20 by the thermal head 22. The label 20 on which the predetermined items are printed is peeled from the mount 19 and issued from the issuing port 24, and the clerk attaches the issued label 20 to the wrapping paper of the measured product or the like.

In this electronic scale, the issuing port 24 of the label 20 is used.
Is formed on the bottom surface of the main body case 18, the height dimension of the main body case 18 can be reduced to reduce the size of the electronic scale. On the other hand, if the main body case 18 is formed to have the same external dimensions as the main body case 1 described in the conventional example without downsizing, the number of keys 23a of the keyboard 23 can be increased and the function of the electronic scale can be improved. You can

When the store clerk takes out the label 20 peeled from the mount 19 and issued from the issuing port 24, the clerk may pull the label 20 to the front side, which improves the workability in taking out the label 20 from the issuing port 24. To do.

The label roll 21 pulled out from the roll state is conveyed substantially downward toward the issuing port 24, and the thermal head 22 is arranged in a substantially vertical direction along the conveyance direction of the label roll 21. Therefore, the label roll 21 pulled out from the roll state does not have a portion bent at an acute angle, and further, the mount paper 19 from which the label 20 is peeled off is separated from the conveyance path along which the label roll 21 is conveyed toward the winding shaft 7. For this reason, the conveyance path of the label roll 21 and the mount 19 is simplified, and the workability when mounting the label roll 21 in the main body case 18 is improved. Further, since the conveyed label roll 21 has no sharply bent portion, the label roll 21 can be pulled out with a small force, and the motor that drives the winding shaft 7 to rotate in order to pull out the label roll 21. As a result, a small motor having a small output can be used, and cost reduction and weight reduction can be achieved.

The label 20 issued from the issuing port 24 is
The printing surface can be directed to the clerk who operates the key 23a of the keyboard 23 without complicating the transport path of the label 20. Therefore, the clerk can see the printed surface of the label 20 in the process of issuing, and the visibility of the printed content of the label 20 by the clerk is improved.

In this embodiment, the case where the label 20 which is a roll paper is printed and issued has been described as an example, but a receipt may be printed and issued instead of the label 20.

[0025]

According to the electronic scale of the invention described in claim 1,
Since the issuing port for issuing the roll paper on which the predetermined items are printed by the print head is formed on the bottom surface of the main body case, it is possible to reduce the height dimension of the main body case and downsize the electronic scale, or The function of the electronic scale can be improved by increasing the number of keys on the keyboard without increasing the size of the main body case. Further, since the roll paper issued from the issuing port is taken out by pulling the issued roll paper to the front side, the workability of the work of taking out the roll paper from the issuing port can be improved.

According to the electronic scale of the invention described in claim 2, in the electronic scale of the invention described in claim 1, a holding portion for holding roll paper is provided above the issuing port, and the roll conveyed downward. The print head is arranged in a substantially vertical direction along the paper conveyance direction, and the print head is arranged between the front side of the main body case in which the keyboard is arranged and the roll paper issued from the issuing port. As a result, the roll paper that is transported toward the issuing port can be simplified by eliminating the point where it is bent at an acute angle, and the workability of mounting the roll paper in the main body case is improved. Can be made. In addition, the printing surface of the roll paper issued from the issuing port can be directed to the clerk who operates the keys on the keyboard without complicating the roll paper transport path, and the printing surface of the roll paper that is being issued by the clerk can be changed. Since the information can be viewed, the visibility of the printed contents by the clerk can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing an electronic scale according to an embodiment of the present invention.

FIG. 2 is a vertical sectional side view thereof.

FIG. 3 is a perspective view showing a conventional electronic scale.

FIG. 4 is a vertical sectional side view thereof.

[Explanation of symbols]

6 holding part 16 Plate support arm 17 weighing pan 18 body case 20 roll paper 22 Print head 23 keyboard 23a key 24 Issuer

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Claims (2)

(57) [Claims] 1. A print head for printing a predetermined matter on a roll paper pulled out from a roll state and a weighing unit are housed in a main body case, and a keyboard provided with a plurality of keys is arranged on a front portion of the main body case. In an electronic scale in which a dish receiving arm connecting the weighing unit and the weighing dish is extended downward from the main body case, the issuing port for issuing the roll paper on which a predetermined matter is printed by the print head is provided. An electronic scale characterized by being formed on the bottom surface of a main body case. 2. A holding unit for holding roll paper is provided above the issuing port, a print head is arranged in a substantially vertical direction along the transport direction of the roll paper transported downward, and a keyboard. 2. The electronic scale according to claim 1, wherein the print head is arranged between the front side of the main body case in which is arranged and the roll paper issued from the issuing port.