TWI441738B - Width adjuster, paper feeding device and multifunction printer - Google Patents

Description

Width adjustment device, paper feeder and transaction machine

The present invention relates to an adjustment device, a paper feeder, and a transaction machine, and more particularly to a width adjustment device, a paper feeder, and a transaction machine that can easily sense the size of a paper.

Paper feeders are commonly used in scanners, printers, and multifunction printers. The size of the paper to be placed on the feeder is usually determined by the user. Therefore, the left and right guide members for holding and guiding the paper are provided on the feeder for the user to adjust the guide members to match various types. Size paper to avoid skewing of the paper when it is fed.

The present invention provides a width adjusting device that can easily sense the size of a sheet of paper.

The present invention provides a paper feeder having the advantage of facilitating the perception of paper size.

The present invention provides a transaction machine having the advantage of reducing the number of internal components and saving space.

To achieve the above or other objects, the present invention provides a width adjusting device including a width adjusting unit, a sensing element, and a code strip, wherein the sensing element is disposed on the width adjusting unit, and the code strip is disposed in parallel with the width adjusting unit. And wearing a sensing element. When the width adjustment unit moves relative to the code strip, the sensing element moves with the width adjustment unit and senses the position of the width adjustment unit relative to the code strip.

In an embodiment of the width adjusting device of the present invention, the width adjusting unit comprises a gear and a pair of racks, the racks are parallel to each other and mesh with the gear, wherein the sensing element is disposed on one of the racks, and Moving one of the racks and rotating the gear, the other rack provided with the gear as the center of symmetry is driven by the gears and the pair of racks are close to each other or away from each other. In addition, each rack has a bump and the bump is located on the side where the sensing element is not provided. Also, the length of the code strip is greater than the sum of the lengths of the two racks.

In an embodiment of the width adjusting device of the present invention, the code strip further has a plurality of scales, and the sensing element senses the position of the unit relative to the code strip via the scale.

To achieve the above or other objects, the present invention further provides a paper feeder comprising a paper cassette and a width adjusting device. The width adjusting device is disposed on the paper tray, and includes a width adjusting unit, a sensing component and a code strip. The sensing element is disposed on the width adjusting unit, and the code strip is disposed in parallel with the width adjusting unit, and the sensing element is disposed. When the width adjustment unit moves relative to the code strip, the sensing element moves with the width adjustment unit and senses the position of the width adjustment unit relative to the code strip.

In an embodiment of the paper feeder of the present invention, the width adjusting unit comprises a gear and a pair of racks, the gears are parallel to each other and mesh with the gear, wherein the sensing element is disposed on one of the racks and moves therein One rack and the gear rotates, and the other rack provided with the gear as the center of symmetry is driven by the gears and the pair of racks are close to each other or away from each other. The paper cassette has a guide rail, and each rack has a projection, and the projection is located in the guide rail and protrudes from the guide rail. In addition, the length of the coded strip is greater than the sum of the lengths of the racks.

In an embodiment of the paper feeder of the present invention, the code strip further has a plurality of scales, and the sensing element senses the relative position of the width adjustment unit and the code strip via the scale.

To achieve the above or other objects, the present invention further provides a transaction machine including a main body, a paper cassette, and a width adjusting device. The paper tray is disposed on the main body, and the width adjusting device disposed on the paper tray includes a width adjusting unit, a sensing component and a code strip. The sensing element is disposed on the width adjusting unit, and the code strip is disposed in parallel with the width adjusting unit, and the sensing element is disposed. When the width adjustment unit moves relative to the code strip, the sensing element moves with the width adjustment unit and senses the position of the width adjustment unit relative to the code strip.

In an embodiment of the transaction machine of the present invention, the width adjusting unit comprises a gear and a pair of racks, the racks are parallel to each other and mesh with the gear, wherein the sensing element is disposed on one of the racks. One of the racks and the gear rotates, and the other rack provided with the gear as the center of symmetry is driven by the gears and the pair of racks are close to each other or away from each other. The paper cassette has a guide rail, and each rack has a projection, and the projection is located in the guide rail and protrudes from the guide rail. In addition, the length of the coded strip is greater than the sum of the lengths of the racks.

In an embodiment of the transaction machine of the present invention, the code strip further has a plurality of scales, and the sensing element senses the relative position of the width adjustment unit and the code strip via the scale.

Based on the above, the width adjusting device of the present invention integrates the width adjusting unit, the sensor and the code strip, so that when the width adjusting unit is adjusted, the sensor disposed on the width adjusting unit can directly pass through the code strip. The position of the width adjustment unit is sensed to know the size of the paper. The paper feeder and the transaction machine using the width adjusting device can have the advantages of saving component setting space and easily measuring the paper size.

The above described features and advantages of the present invention will be more apparent from the following description.

1 is a schematic view of a transaction machine according to an embodiment of the present invention, FIG. 2 is a schematic view of the paper cassette and the width adjuster of FIG. 1, and FIG. 3 is a schematic view of another view of the paper cassette and the width adjuster of FIG. . Referring to FIG. 1 , FIG. 2 and FIG. 3 , the transaction machine 100 includes a main body 110 , a paper tray 120 and a width adjusting device 130 . The paper cassette 120 and the width adjusting device 130 can form a paper feeder. The paper tray 120 is disposed on the main body 110, and the paper tray 120 can be a paper tray 120 disposed in the host 110 for automatically feeding paper, or can be pivoted to the host 110 and can be opened relative to the host 110 for the user to The paper feed cassette 120 for manual feeding is designed according to the requirements. The width adjusting device 130 disposed on the paper tray 120 includes a width adjusting unit 132, a sensing element 134 and a code strip 136. The sensing element 134 is disposed on the width adjusting unit 132, and the code strip 136 and the width adjusting Units 132 are arranged in parallel and are disposed in a manner that passes through sensing element 134.

4 is a partially enlarged schematic view of the paper cassette and the width adjuster of FIG. 3, wherein FIG. 4 is different from the angle of view of FIG. Please refer to FIG. 2, FIG. 3 and FIG. 4 in detail. In detail, the width adjusting unit 132 of the embodiment includes a gear 132a and a pair of racks 132b and 132c, and the gear 132a and the racks 132b and 132c are disposed on the bearing. On the bottom surface 120a of the stack 120, the racks 132b, 132c are disposed in parallel with each other and are individually meshed with the gears 132a and are respectively located on opposite sides of the gear 132a. In addition, the number of the sensing elements 134 of the present embodiment is one, and is disposed on the rack 132b. In other embodiments, the number and location of the sensing elements 134 can also be varied as desired, such as also providing a sensing element 134 on the rack 132c. Moreover, the racks 132b and 132c are respectively provided with a protrusion 132d. The corresponding tray 120 has a pair of rails 122, and the two protrusions 132d are respectively located in the corresponding rails 122 and protrude from the rails 122, and It protrudes from the top surface 120b of the paper tray 120. When the user manually pushes the width adjusting device 130 to conform to the size of the paper, that is, the projection 132d is pushed, and the projection 132d slides in the guide rail 122.

After the user places the paper on the paper cassette 120, the user can manually push the bump 132d to rotate the gear 132a, and the gear 132a is symmetrically disposed on the other side of the gear 132a. The strip 132c and the rack 132b are close to each other or away from each other. At this time, the sensing element 134 moves with the width adjusting unit 132 and senses the position of the width adjusting unit 132 relative to the encoding strip 136. In detail, the code strip 136 has a plurality of scales (not labeled), and the sensing element 134 is the relative position of the coded strip adjustment unit 132 and the code strip 136 via the scale. The sensing component 134 of the present embodiment is a light sensing component, and the encoding strip 136 and the sensing component 134 constitute an analog encoder. The width adjusting unit 132 can be known relative to the encoding strip 136 by detecting the intensity of the light. The position, and thus the distance between the two bumps 132d, is obtained to obtain the size of the placed paper. Of course, you can also add a built-in comparator to the digital encoder.

Incidentally, the length of the code strip 136 may be greater than the sum of the lengths of the two racks 132b, 132c. Thus, when the racks 132b, 132c are separated from each other with the gear 132a as the center of symmetry and the ends of the racks 132b, 132c that are not meshed with the gear 132a are farthest from each other, the racks 132b, 132c do not fall off from the gear 132a, and the sense The measuring element 134 can still sense and interpret the size of the paper.

After the sensing element 134 roughly determines the size of the paper and transmits the sensing signal back to the host 110 (shown in Figure 1), the correct printing can be made for the size of the paper without the occurrence of overprinting.

Although the above embodiment adjusts the width adjustment device 130 in a manual manner, in other embodiments not shown, the transaction machine 100 may further include a motor (not shown), the motor and the two racks 132b. One of the 132c or the gear 132a is connected, in other words, the rack 132b, 132c or the gear 132a, which is commanded by the main unit 110 to cause the motor to be connected to the motor, to move the two bumps 132d to a position corresponding to the paper size.

In summary, the width adjusting device of the present invention integrates the width adjusting unit, the sensor and the code strip, and saves the application by separately arranging the sensor and the encoder strip and the width adjusting unit separately. The width adjustment device (or the paper feeder to which the width adjustment device is applied) sets a space for the components in the main body of the transaction machine, so it is possible to decide to reduce the overall volume of the transaction machine or to set other components by saving the space. In addition, the width adjustment unit, the sensor and the code strip are integrated to instantly sense the size of the paper, and the sensing result is also more precise and less error-prone.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the invention, and any one of ordinary skill in the art can make some modifications and refinements without departing from the spirit and scope of the invention. The scope of the invention is defined by the scope of the appended claims.

100‧‧‧Business Machine

110‧‧‧Host

120‧‧‧Sheet

120a‧‧‧ bottom

120b‧‧‧ top surface

122‧‧‧rails

130‧‧‧Width adjustment device

132‧‧‧Width adjustment unit

132a‧‧‧ gear

132b, 132c‧‧‧ rack

132d‧‧‧Bumps

134‧‧‧Sensor components

136‧‧‧Code strip

1 is a schematic diagram of a transaction machine according to an embodiment of the present invention.

2 is a schematic view of the paper cassette and the width adjuster of FIG. 1.

Figure 3 is a schematic illustration of another perspective of the paper cassette and width adjuster of Figure 2.

4 is a partially enlarged schematic view of the paper cassette and the width adjuster of FIG. 3.

120. . . Paper tray

120a. . . Bottom

120b. . . Top surface

122. . . guide

130. . . Width adjustment device

132. . . Width adjustment unit

132a. . . gear

132b, 132c. . . rack

134. . . Sensing element

136. . . Code strip

Claims (9)

A width adjusting device comprising: a width adjusting unit comprising: a gear; and a pair of racks parallel to each other and meshing with the gear, wherein the sensing element is disposed on one of the pair of racks, and Moving one of the racks and rotating the gear, the other rack provided with the gear as a center of symmetry is driven by the gear and the pair of racks are close to each other or away from each other; a sensing element is disposed on the width adjusting unit; And a code strip disposed in parallel with the width adjustment unit and having the sensing element disposed, wherein the length of the code strip is greater than a sum of lengths of the racks, and the width adjustment unit moves relative to the code strip The sensing element moves with the width adjustment unit and senses the position of the width adjustment unit relative to the code strip. The width adjusting device of claim 1, wherein each of the racks has a bump on a side where the sensing element is not provided. The width adjustment device of claim 1, wherein the code strip further has a plurality of scales, and the sensing element senses the position of the width adjustment unit relative to the code strip via the scales. A paper feeder includes: a paper cassette; a width adjusting device disposed on the paper tray, comprising: a width adjusting unit comprising: a gear; and a pair of racks parallel to each other and meshing with the gear, wherein the sensing element is disposed on one of the pair of racks, and one of the racks is moved to rotate The gear, the other rack disposed with the gear as a center of symmetry is driven by the gear and the pair of racks are close to each other or away from each other; a sensing component is disposed on the width adjusting unit; and a code strip, and the The width adjusting unit is disposed in parallel, and the sensing element is disposed, wherein the length of the code strip is greater than the sum of the lengths of the racks, and when the width adjusting unit moves relative to the strip, the sensing element follows The width adjustment unit moves and senses the position of the width adjustment unit relative to the code strip. The paper feeder of claim 4, wherein the paper cassette has a guide rail, and each of the racks has a projection, and the projections are located in the guide rail and protrude from the guide rail. The paper feeder of claim 4, wherein the code strip further has a plurality of scales, and the sensing element senses the relative position of the width adjustment unit and the code strip via the scales. A transaction machine, comprising: a host; a paper tray disposed on the host; a width adjusting device disposed on the paper tray, comprising: a width adjusting unit, comprising: a gear; and a pair of racks parallel to each other and meshing with the gear, wherein the sensing element is disposed on one of the pair of racks, and one of the racks is moved and the gear is rotated, the gear is Another rack provided by the center of symmetry is driven by the gear and the pair of racks are close to each other or away from each other; a sensing element is disposed on the width adjusting unit; and a code strip is disposed in parallel with the width adjusting unit, and The sensing element is disposed, wherein the length of the code strip is greater than the sum of the lengths of the racks, and when the width adjusting unit moves relative to the strip, the sensing element moves and senses with the width adjusting unit The position of the width adjustment unit relative to the code strip. The transaction machine of claim 7, wherein the paper cassette has a guide rail, and each of the racks has a projection, and the projections are located in the guide rail and protrude from the guide rail. The transaction machine of claim 7, wherein the code strip further has a plurality of scales, and the sensing element senses a relative position of the width adjustment unit and the code strip via the scales.