KR102172895B1 - Protective film attaching apparatus for portable terminal and method for attaching thereof - Google Patents

Abstract

The present invention includes a base portion provided with a guide portion for guiding the mobile terminal to be aligned on the upper surface; A sheet fixing part provided on one side of the base part; An attachment sheet having one end fixed to the sheet fixing part, placed along the lengthwise direction on the base part, and detachably attached to the outer surface of the protective film; A detachable piece fixed to the other end of the attachment sheet; It is provided on the other side of the base and is fixed to allow the detachable piece to move, so that the attachment sheet spaced upward from the mobile terminal can be brought into contact with the upper surface of the mobile terminal by varying the sag government; A sliding coupling portion provided along the length direction of the base portion; A slider slidably coupled to the sliding coupling portion; And a protective sheet that is rotatably fixed to the slider and is firstly moved together with the slider, while pressing the attachment sheet spaced from the portable terminal downward to align it on the portable terminal and to the adhesive surface of the bottom surface. The protective film is attached to the bottom of the attachment sheet, and after returning together with the slider, the attachment sheet separated from the portable terminal is pressed downward while moving secondarily by sliding of the slider. And a pressure roller for attaching the protective film from which the protective sheet is separated in an aligned state on the portable terminal.

Description

Protective film attaching apparatus for portable terminal and method for attaching thereof TECHNICAL FIELD

The present invention relates to an apparatus and method for attaching a protective film for a portable terminal, and more particularly, an apparatus for attaching a protective film for a portable terminal to accurately and cleanly attach the protective film to a portable terminal such as a mobile phone such as a smartphone or a tablet PC. And an attachment method.

In general, a mobile phone refers to a small cordless phone that allows you to make and receive phone calls while carrying it in your hand or carrying it on your body. Recently, a smart phone corresponding to an intelligent terminal in which a computer support function such as Internet communication, information search, and operation of an application is added to a mobile phone has been widely used and widely used.

Such a smart phone has a liquid crystal screen made of a touch screen provided on the screen as a key input means, and inputs information by touching the screen of the touch screen or pressing the screen with a separate pen. In this case, Scratches such as scratches are easily generated, and even if the screen is pressed with a strong force, damage or damage to the screen may be caused. In addition, when carrying a smart phone, there are frequent cases in which scratches such as scratches are generated on the screen due to contact or impact with an object to be carried together.

Therefore, smartphones and the like are often used by attaching a protective film to protect the screen. In order to attach a protective film such as such a smartphone, first, the target surface to which the protective film is to be attached must be cleanly cleaned before attaching, and when attaching, it must be carefully attached to prevent fingerprints or hand marks from occurring on the adhesive surface of the protective film. do.

However, even if such a protective film is mastered, it is not easy to attach it to an exact location on a smartphone, etc., and foreign substances or fingerprints or handprints are generated on the adhesive surface of the protective film. When removed, foreign matters flow into the adhesive surface, or the adhesive surface is damaged by fingerprints or handprints, resulting in poor transparency, and when the adhesive surface is damaged, the adhesive strength is greatly reduced.

In order to solve this problem, as a device for attaching a protective film to a portable terminal such as a smart phone, there is a "protective film attaching device for a mobile phone" of Korean Patent No. 10-1135144. This includes an insertion part into which a mobile phone is inserted, and an accommodation space in which the inserted mobile phone is accommodated is formed, and the upper and lower sides of the receiving space are opened; A protrusion formed to protrude from the inner surface of the side surface of the body to support the protective film; A cover installed over the body; And a pressure roller installed on the cover so as to be rotatable on the cover, and installed on the cover so as to correspond to the end of the front surface of the mobile phone accommodated in the receiving space when the cover covers the body, wherein the protrusion is located higher than the front surface of the mobile phone and protected When one end of the film is located at the end of the front side of the mobile phone, the other end of the protective film is supported by the protrusion and the protective film is arranged to be inclined.

However, such a conventional technology is not only inconvenient in initial alignment of the protective film for the mobile phone, but also depends on the skill level of the user, and is difficult to easily apply to mobile phones of various sizes because the size of the mobile phone used is fixed. Since the separation of the protective sheet attached to the surface was not considered, there was a problem of causing contamination and inconvenience when separating the protective sheet from the protective film.

In order to solve the above problems of the prior art, the present invention allows anyone to easily align the protective film for various portable terminals, including mobile phones, and is commonly used in portable terminals having different sizes. This enables economical use because it does not require a large number of purchases depending on the mobile terminal model or model, and allows the separation of the protective sheet attached to the adhesive surface of the protective film to be easily performed without any intervention of dust. Due to this, as well as to facilitate the attaching operation of the protective film, the purpose is to contribute to the improvement of the adhesion quality of the protective film.

In order to solve the problems as described above, according to an aspect of the present invention, a base portion provided with a guide portion for guiding the mobile terminal to be aligned on the upper surface; A sheet fixing part provided on one side of the base part; An attachment sheet having one end fixed to the sheet fixing part, placed along the length direction on the base part, and detachably attached to the outer surface of the protective film; A detachable piece fixed to the other end of the attachment sheet; It is provided on the other side of the base and is fixed to allow the detachable piece to move, so that the attachment sheet spaced upward from the mobile terminal can be brought into contact with the upper surface of the mobile terminal by varying the sag government; A sliding coupling portion provided along the length direction of the base portion; A slider slidably coupled to the sliding coupling portion; And a protective sheet that is rotatably fixed to the slider and is firstly moved together with the slider, while pressing the attachment sheet spaced from the portable terminal downward to align it on the portable terminal and to the adhesive surface of the bottom The protective film is attached to the bottom of the attachment sheet, and after returning together with the slider, the attachment sheet separated from the portable terminal is pressed downward while moving secondarily by sliding of the slider. There is provided a protective film attaching device for a portable terminal comprising; a pressure roller for attaching the protective film from which the protective sheet is separated in an aligned state on the portable terminal.

The sagging allowable fixing part may include a vertical member installed perpendicular to both sides of the other side of the base part; A guide bar installed horizontally at an upper portion between the vertical members to support a bottom surface of the attachment sheet; And a slit formed vertically to each of the vertical members so as to be located at the rear side of the guide bar, and open upward so that both ends of the detachable piece are slidably coupled to each other.

The detachable piece is installed in the width direction at the other end of the attachment sheet, the fixing bar is provided at both ends of the engaging projections slidingly coupled to the slit; A fixing piece disposed in parallel with the fixing bar so that the other end of the attachment sheet is interposed between the fixing bar; And a plurality of fixing bolts for fixing the fixing piece to the fixing bar.

The sliding coupling portion is formed along the longitudinal direction so as to open upwardly on both sides of the base portion, the sliding groove having a "L"-shaped cross-sectional shape; And a sliding bar positioned inside each of the sliding grooves to avoid exposure upward and installed along the longitudinal direction, wherein the slider includes: a sliding block slidably coupled to each of the sliding bars; And an extension coupling piece fixed to each of the sliding blocks, extending to protrude upward from the sliding groove, and connecting to the pressure roller side.

It is provided between the slider and the pressure roller, further comprising a roller pivoting portion to rotate from the slider to be spaced apart from the attachment sheet, the roller pivoting portion is centered on an axis positioned in the width direction of the slider A rotating member installed to rotate; A handle provided for a user's grip on the rotating member; Rotating coupling pieces fixed to both sides of the rotating member, respectively, so that the pressing roller is rotatably coupled therebetween; And a stopper provided on the slider to limit the rotation angle of the rotating member.

According to another aspect of the present invention, a method of attaching a protective film to a portable terminal, comprising: aligning the portable terminal on a base portion by a guide portion; Positioning the protective film to which the protective sheet is attached to the adhesive surface of the bottom so as to be aligned with the screen of the portable terminal; Pressing an attachment sheet having one side fixed to the base portion in close contact with the protective film in an unfolded state by pressing with a pressing roller so that the protective film is attached to the bottom surface of the attachment sheet; Separating the attachment sheet from the mobile terminal together with the protective film, and then removing the protective sheet from the bottom of the protective film; Pressing the attachment sheet by the pressing roller and in close contact with the portable terminal in an unfolded state, so that the protective film is attached in a state aligned with the screen of the portable terminal by the adhesive surface; And separating the attachment sheet from the protective film by separating the attachment sheet upward from the portable terminal, so that only the protective film remains attached to the screen of the portable terminal; including, protection of the portable terminal A method of attaching a film is provided.

According to the apparatus and method for attaching a protective film for a portable terminal according to the present invention, it is possible for anyone to easily align the protective film for various portable terminals, including a mobile phone, and a portable terminal having different sizes By allowing it to be used in common with the mobile terminal, it is not necessary to purchase a large number of devices or models, so that economical use is possible, and the separation of the protective sheet attached to the adhesive surface of the protective film can be easily performed without the intervention of dust. This can be done, and due to these points, not only can the attachment of the protective film be facilitated, but also can contribute to the improvement of the attachment quality of the protective film.

1 is a side view showing an apparatus for attaching a protective film for a portable terminal according to an embodiment of the present invention.
2 is a rear view showing an apparatus for attaching a protective film for a portable terminal according to an embodiment of the present invention.
3 is a plan view showing an apparatus for attaching a protective film for a portable terminal according to an embodiment of the present invention.
4 is a cross-sectional view taken along line AA of FIG. 3.
5 is a schematic diagram for sequentially explaining a method of attaching a protective film to a portable terminal according to another embodiment of the present invention.

Since the present invention may have various embodiments by various modifications, specific embodiments will be described in the drawings as examples. In addition, the present invention is not limited to these specific embodiments, and it is to be understood that all changes, equivalents, and substitutes included in the technical idea of the present invention are included.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings, and the same reference numerals are assigned to the same or corresponding components regardless of the reference numerals, and redundant descriptions thereof will be omitted. To

1 is a side view showing an apparatus for attaching a protective film for a mobile terminal according to an embodiment of the present invention, and FIG. 2 is a rear view showing an apparatus for attaching a protective film for a mobile terminal according to an exemplary embodiment of the present invention. 3 is a plan view showing an apparatus for attaching a protective film for a portable terminal according to an embodiment of the present invention, and FIG. 4 is a cross-sectional view taken along line AA of FIG. 3.

1 to 4, the protective film attachment device 100 for a portable terminal according to an embodiment of the present invention includes a base portion 110, a sheet fixing portion 120, an attachment sheet 130, a detachable piece ( 140), and a sagging allowable fixing part 150, a sliding coupling part 160, a slider 170, and a pressure roller 180.

The base portion 110 is installed on the installation surface, and guide portions 111 and 112 are provided on the upper surface to guide the portable terminal 10 to be aligned. Here, the guide portions 111 and 112 include a first guide portion 111 disposed in the width direction to support the end of the portable terminal 10, and a second guide disposed in the length direction to support the side portion of the portable terminal 10. It may include a part 112. In addition, the portable terminal 10 (shown in FIG. 5) may be, for example, a smartphone, but is not necessarily limited thereto, and a protective film 20 (shown in FIG. 5) is attached to the screen, including a general mobile phone as well as a tablet PC. A variety of portable terminals that need to be used can be used.

The sheet fixing part 120 is provided on one side of the base part 110, for example, in the width direction so that one end of the attachment sheet 130 is interposed on the first guide part 111 included in the base part 110 The fixing bar 121 is positioned as the fixed bar 121 and the fixing bar 121 is screwed onto the first guide part 111 of the base part 110 by passing through the fixing bar 121. It may include a plurality of fixing bolts 122 fixed to the guide portion 111.

The attachment sheet 130 has one end fixed to the sheet fixing part 120 and placed along the lengthwise direction on the base part 110, and is detachably attached to the outer surface of the protective film 20, and the portable terminal 10 ) By attaching the protective film (20) aligned on the, to be transferred back to the portable terminal (10). The attachment sheet 130 may be made of, for example, a silicone sheet for self-adhering to the outer surface of the protective film 20. Here, the attachment sheet 130 is attached to the outer surface of the protective film 20 that does not have adhesive force, and the protective film 20 is attached with an adhesive force smaller than that of the protective film 20.

The detachable piece 140 is fixed to the other end of the attachment sheet 130. The detachable piece 140 is, for example, installed in the width direction at the other end of the attachment sheet 130, and the fixing bar 141 provided at both ends of the coupling protrusions 141a slidingly coupled to the slit 153 to be described later Wow, by being disposed in parallel with the fixing bar 141, the fixing piece 142 and the fixing piece 142 to be interposed between the other end of the attachment sheet 130 and the fixing bar 141 It may include a plurality of fixing bolts 143 to fix. The coupling protrusion 141a is formed to have a diameter smaller than that of the fixing bar 141, so that a locking jaw is formed between the fixing bar 141, and thus, the slit 153 is caught so as to limit separation. do.

The sagging allowable fixing part 150 is provided on the other side of the base part 110, and the detachable piece 140 is detachable and fixed to allow movement, so that the attachment sheet 130 is spaced upward from the mobile terminal 10 Allows to be in contact with the upper surface of the portable terminal 10 by varying the sag.

The sag allowable fixing part 150 is attached horizontally between the vertical member 151 and the vertical member 151 installed vertically on both sides from the other side of the base unit 110, as in this embodiment. The guide bar 152 supporting the bottom surface of the seat 130 and the vertical members 151 are respectively vertically formed to be positioned at the rear side of the guide bar 152, and both ends of the detachable piece 140, that is, the coupling protrusions (141a) may include a slit 153 that is opened upward so that each slidably coupled in the vertical direction. Here, the rear side refers to the side where the sheet fixing part 120 is located, based on the direction in which the pressure roller 180, which will be described later, is moved in order to make the attachment sheet 130 in close contact with the mobile terminal 10 side. In this case, the opposite side can be referred to as the rear side. The vertical member 151 may be fixed to the base portion 110 by a bolt or the like. Both ends of the guide part 152 may be fixed between the vertical members 151 by bolts or the like.

The sliding coupling unit 160 is provided on the base unit 110 along the longitudinal direction. Sliding coupling unit 160 is formed along the longitudinal direction to open upwards on both sides of the base unit 110, the sliding groove 161 having a "L"-shaped cross-sectional shape, and a sliding groove to avoid exposure upward (161) It may include a sliding bar 162 positioned inside each, installed along the longitudinal direction. Here, the sliding bar 162 may be fixed at both ends of the sliding groove 161 by using a fastening member such as a bolt or a bracket so as to be spaced apart from the side surface of the sliding groove 161.

The slider 170 is slidably coupled to the sliding coupling unit 160. The slider 170 may be fixed to each of the sliding blocks 171 and the sliding blocks 171 slidably coupled to each of the sliding bars 162, for example, as in this embodiment, and upward from the sliding groove 161 It may be extended to protrude, and may include an extension coupling piece 172 to be connected to the side of the pressure roller 180. The sliding block 171 may be slidingly coupled to the sliding bar 162 via a bearing. The extension coupling piece 172 may be fixed to the sliding block 171 with bolts or the like.

The pressure roller 180 is rotatably fixed to the slider 170, and while first moving together with the slider 170, presses the attachment sheet 130 spaced from the portable terminal 10 downward, so that the portable terminal ( 130), and attaching the protective film 20 to which the protective sheet 21 is attached to the adhesive surface of the bottom surface to the bottom surface of the attachment sheet 130, and returns with the slider 170, and then the slider ( While moving secondly by sliding of 170), by pressing the attachment sheet 130 separated from the mobile terminal 10 downward, the protective film 20 from which the protective sheet 21 is separated is transferred onto the mobile terminal 10. It should be attached in alignment with. The pressure roller 180 may be formed of a material having an elasticity, such as silicone or rubber, or an elastic synthetic resin, and the pressure roller 180 may be directly rotatably fixed to the slider 170 or be easily separated from the attachment sheet 130. It may be fixed to the slider 170 via the pivoting part 190.

The roller pivoting unit 190 is provided between the slider 170 and the pressure roller 180, and the pressure roller 180 rotates from the slider 170 away from the attachment sheet 130, so that the attachment sheet 130 It is possible to provide a margin for easily separating the protective sheet 21 from the adhesive surface of the attached protective film 20.

The roller pivoting unit 190 is a rotating member 191 installed to rotate around an axis 191a (shown in FIG. 1) positioned in the width direction of the slider 170, and the rotating member 191 grips the user. The handle 192 provided for, and can be fixed to both sides of the rotating member 191, respectively, the rotation coupling piece 193 and the slider 170 so that the pressing roller 180 is rotatably coupled between each of the ) May include a stopper 194 provided to prevent excessive rotation of the rotation member 191 by limiting the rotation angle of the rotation member 191. Here, the components constituting the roller rotation unit 190 may be coupled to each other by bolts or the like.

5 is a schematic diagram for sequentially explaining a method of attaching a protective film to a portable terminal according to another embodiment of the present invention. A method of attaching a protective film to a mobile terminal according to another embodiment of the present invention is, for example, a protective film 20 on the mobile terminal 10 by using the protective film attaching device 100 for a mobile terminal according to an embodiment of the present invention. As a method of attaching, the same reference numerals are assigned to the same components, but redundant descriptions will be omitted.

Referring to FIG. 5A, the portable terminal 10 is aligned on the base part 110 by the guide parts 111 and 112. Then, the protective film 20 to which the protective sheet 21 is attached for protection of the adhesive surface on the adhesive surface of the bottom surface is positioned so as to be aligned with the attachment position on the screen of the portable terminal 10. On the other hand, the portable terminal 10 wipes the screen with a wet tissue before alignment of the protective film 20 and then removes moisture from the screen with a dry tissue to remove foreign substances such as dust from the screen.

Referring to (b) of FIG. 5, a pressing roller 180 rotating and moving the attachment sheet 130 having one end fixed to the base portion 110 by the sheet fixing part 120 by sliding of the slider 170 The protective film 20 is attached to the bottom surface of the attachment sheet 130 by the adhesive force of the attachment sheet 130 by being pressed and in close contact on the protective film 20 in an unfolded state. On the other hand, before pressing the attachment sheet 130, by installing the detachable piece 140 fixed to the other end of the attachment sheet 130 so as to be movable upward to the sagging allowable fixing portion 150, the sagging of the attachment sheet 130 Let this be variable.

5(c), when the protective film 20 is attached to the attachment sheet 130, the attachment sheet 130 is separated from the portable terminal 10 together with the protective film 20, and then exposed. The protective sheet 21 is removed from the bottom of the protective film 20, and the adhesive surface provided on the bottom of the protective film 20 is exposed.

Referring to (d) of Figure 5, by pressing the attachment sheet 130 by the pressing roller 180 and in an unfolded state in close contact with the mobile terminal 10, the protective film 20 is attached to the mobile terminal ( 10) to be attached to the screen aligned. On the other hand, before pressing the attachment sheet 130, by installing the detachable piece 140 fixed to the other end of the attachment sheet 130 so as to be movable upward to the sag allowable fixing unit 150, the sagging of the attachment sheet 130 Let this be variable.

5(e), by separating the attachment sheet 130 upward from the portable terminal 10 to separate it from the protective film 20, only the protective film 20 is displayed on the screen of the portable terminal 10. When the portable terminal 10 is separated from the base portion 110 to remain attached to the portable terminal 10, the attachment of the protective film 20 to the portable terminal 10 is completed.

According to the apparatus and method for attaching a protective film for a portable terminal according to the present invention, it is possible for anyone to easily align the protective film for various portable terminals, including a mobile phone, and has a standard having a different size. By allowing the portable terminal to be used in common, it is not necessary to purchase a large number of portable terminal models or models, thereby enabling economical use.

In addition, according to the present invention, it is possible to easily separate the protective sheet attached to the adhesive surface of the protective film without the intervention of dust.

Therefore, according to the present invention, due to the above points, not only makes the attachment operation of the protective film easy, but also contributes to improving the attachment quality of the protective film.

Although the present invention has been described with reference to the accompanying drawings as described above, various modifications may be made without departing from the spirit of the present invention. Therefore, the scope of the present invention is limited to the above-described embodiments and should not be defined, but should be defined by the claims and the claims and equivalents.

10: mobile terminal 20: protective film
21: protective sheet 110: base
111,112: guide unit 120: sheet fixing unit
121: fixing bar 122: fixing bolt
130: attachment sheet 140: detachable piece
141: fixing bar 141a: coupling protrusion
142: fixing piece 143: fixing bolt
150: deflection allowable fixing portion 151: vertical member
152: guide bar 153: slit
160: sliding coupling unit 161: sliding groove
162: sliding bar 170: slider
171: sliding block 172: extension coupling piece
180: pressure roller 190: roller rotating part
191: rotating member 191a: shaft
192: handle 193: rotary coupling piece
194: stopper

Claims (6)

A base portion provided with a guide portion for guiding the mobile terminal to be aligned on the upper surface;
A sheet fixing part provided on one side of the base part;
One end is fixed to the sheet fixing part and placed along the lengthwise direction on the base part, detachably attached to the outer surface of the protective film, and attaching the protective film aligned on the mobile terminal, so that the protective film An attachment sheet to be transferred back to the portable terminal;
A detachable piece fixed to the other end of the attachment sheet;
It is provided on the other side of the base and is fixed to allow movement while the detachable piece is detachable, so that the attachment sheet spaced upward from the mobile terminal can be brought into contact with the upper surface of the mobile terminal by varying sag. Sagging allowance fixed government;
A sliding coupling portion provided along the length direction of the base portion;
A slider slidably coupled to the sliding coupling portion; And
It is rotatably fixed to the slider, and while first moving together with the slider, by pressing the attachment sheet spaced from the portable terminal downward, while being aligned on the portable terminal, a protective sheet is placed on the adhesive surface of the bottom surface. Attaching the attached protective film to the bottom of the attachment sheet, and after returning together with the slider, while moving secondarily by sliding of the slider, the attachment sheet separated from the portable terminal is pressed downward, thereby protecting the protection. Including; a pressure roller for attaching the protective film from which the sheet is separated in an aligned state on the portable terminal,
The sagging allowance fixed government,
A vertical member installed perpendicular to both sides of the other side of the base unit;
A guide bar installed horizontally at an upper portion between the vertical members to support a bottom surface of the attachment sheet; And
Containing, a protective film attachment device for a portable terminal, each vertical member is formed vertically so as to be positioned at the rear side of the guide bar, and is opened upward so that both ends of the detachable piece are slidably coupled to each other. delete The method according to claim 1,
The detachable flight above,
A fixing bar installed at the other end of the attachment sheet in the width direction and having coupling protrusions slidingly coupled to the slit provided at both ends;
A fixing piece disposed in parallel with the fixing bar so that the other end of the attachment sheet is interposed between the fixing bar; And
A plurality of fixing bolts fixing the fixing piece to the fixing bar;
Containing a protective film attachment device for a portable terminal. The method according to claim 1,
The sliding coupling part,
Sliding grooves formed along the longitudinal direction so as to open upwardly on both sides of the base portion and having a "L"-shaped cross-sectional shape; And
Including; a sliding bar positioned inside each of the sliding grooves to avoid exposure upward and installed along the longitudinal direction,
The slider,
A sliding block slidably coupled to each of the sliding bars; And
Containing, a protective film attaching device for a portable terminal, fixed to each of the sliding blocks, extending so as to protrude upward from the sliding groove, and connecting to the pressure roller side. The method according to claim 1 or 3,
Further comprising a roller pivoting portion provided between the slider and the pressure roller to rotate the pressure roller from the slider away from the attachment sheet,
The roller pivoting part,
A rotating member installed to rotate about an axis positioned in the width direction of the slider;
A handle provided for a user's grip on the rotating member;
Rotating coupling pieces fixed to both sides of the rotating member, respectively, so that the pressing roller is rotatably coupled therebetween; And
Including, a stopper provided to limit the rotation angle of the rotating member to the slider, a protective film attaching device for a portable terminal. As a method of attaching a protective film to a mobile terminal,
Aligning the mobile terminal on the base portion by a guide portion;
Positioning the protective film to which the protective sheet is attached to the adhesive surface of the bottom so as to be aligned with the screen of the portable terminal;
Pressing the attachment sheet having one end fixed to the base portion in close contact with the protective film in an unfolded state by pressing with a pressing roller, so that the protective film is attached to the bottom surface of the attachment sheet;
Separating the attachment sheet from the mobile terminal together with the protective film, and then removing the protective sheet from the bottom of the protective film;
Pressing the attachment sheet by the pressing roller and in close contact with the portable terminal in an unfolded state, so that the protective film is attached in a state aligned with the screen of the portable terminal by the adhesive surface; And
Including, by separating the attachment sheet upward from the portable terminal so as to be separated from the protective film, so that only the protective film remains attached to the screen of the portable terminal; and
The detachable piece is fixed to the other end of the attachment sheet,
The detachable piece is fixed to the sag-allowing fixing part provided on the base to allow movement, so that the attachment sheet spaced upward from the portable terminal can be brought into contact with the upper surface of the portable terminal by varying sag, and ,
The pressure roller is rotatably fixed to a slider that is slidably coupled to a sliding coupling portion provided in the longitudinal direction of the base portion,
The sagging allowance fixed government,
A vertical member installed perpendicular to both sides of the base portion;
A guide bar installed horizontally at an upper portion between the vertical members to support a bottom surface of the attachment sheet; And
Containing, a method for attaching a protective film of a portable terminal, which is formed vertically to each of the vertical members so as to be positioned at the rear side of the guide bar, and which open upwards so that both ends of the detachable pieces are slidably coupled to each other.

Images