Elevator door decorative film replacement jig

The decorative film replacement jig addresses the challenge of removing film from narrow gaps by using a tapered and curved design, enabling efficient peeling and attachment on elevator doors.

JP7770268B2Active Publication Date: 2025-11-14MITSUBISHI ELECTRIC BUILDING SOLUTIONS CORP
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Patent Information

Application Number
JP2022119280
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2022-07-27
Publication Date
2025-11-14
Estimated Expiration
2042-07-27

AI Technical Summary

Technical Problem

Decorative film attached to elevator doors is difficult to remove from the narrow gap between the door and the jamb due to the limited space, making it challenging to peel off completely.

Method used

A decorative film replacement jig with a plate-shaped body and a handle, featuring a tapered portion and a curved surface, is designed to be inserted into the gap between the door and the jamb, allowing easy peeling and attachment of the film.

Benefits of technology

The jig facilitates easy removal and attachment of decorative film by leveraging its tapered and curved design to fit into narrow spaces, ensuring complete peeling and bubble-free application.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

To obtain a decorative film replacing tool for an elevator door capable of easily removing a decorative film stuck to a surface of the elevator door.SOLUTION: A decorative film replacing tool for an elevator door includes a tool main body 1 inserted into a gap between a landing door 601 and a jamb 5 facing the landing door 601 in a plate thickness direction of the landing door 601, and a handle part 3 provided on the tool main body 1. The tool main body 1 is provided with a first surface 101 facing one direction side of the plate thickness direction D1 of the tool main body 1 and a second surface 102 provided on the opposite side of the first surface 101. The tool main body 1 has a tapered part 103 provided on an end part of the tool main body 1 in one direction side of a width direction D3 of the tool main body 1. In the tapered part 103, the second surface 102 is formed to gradually approach the first surface 101 toward the one direction side of the width direction D3 of the tool main body 1.SELECTED DRAWING: Figure 5
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Description

[Technical Field]

[0001] The present disclosure relates to a tool for replacing decorative film on an elevator door. [Background technology]

[0002] BACKGROUND ART Conventionally, elevator configurations in which a decorative film is attached to the surface of the inner wall of an elevator car are known (see, for example, Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Publication No. 169485 / 1985 Summary of the Invention [Problem to be solved by the invention]

[0004] Decorative film is attached to the surface of the elevator door as well as the surface of the interior wall of the elevator car. When replacing the decorative film, the decorative film attached to the surface of the elevator door is peeled off from the surface of the elevator door. However, part of the decorative film attached to the surface of the elevator door is located in the gap between the elevator door and the jamb. Because the gap between the elevator door and the jamb is narrow, it is difficult to peel off the decorative film located in the gap between the elevator door and the jamb.

[0005] The present disclosure has been made to solve the above-mentioned problems, and its purpose is to provide a tool for replacing decorative film on elevator doors that can easily peel off the decorative film attached to the surface of the elevator door. [Means for solving the problem]

[0006] The decorative film replacement jig for elevator doors according to the present disclosure comprises a plate-shaped jig body that is inserted into the gap between the elevator door and an opposing member that faces the elevator door in the thickness direction of the elevator door, and a handle portion provided on the jig body, the jig body having a first surface facing one side in the thickness direction of the jig body and a second surface provided on the opposite side to the first surface, the jig body having a tapered portion provided at an end of the jig body on one side in the width direction of the jig body, and the tapered portion being formed so that the second surface approaches the first surface as it moves toward one side in the width direction. [Effects of the Invention]

[0007] The elevator door decorative film replacement tool of the present disclosure makes it possible to easily peel off the decorative film attached to the surface of the elevator door. [Brief explanation of the drawings]

[0008] [Figure 1] FIG. 2 is a front view showing a jig for replacing a decorative film on an elevator door according to embodiment 1. [Figure 2] FIG. 2 is a cross-sectional view taken along line II-II in FIG. [Figure 3] FIG. 2 is a cross-sectional view taken along the line III-III in FIG. [Figure 4] This is a front view showing how the decorative film is peeled off from the widthwise end of the elevator door using the decorative film replacement jig for the elevator door of Figure 1. [Figure 5] 5 is a cross-sectional view taken along line VV in FIG. 4. [Figure 6] This is a front view showing how the decorative film is peeled off from the upper end of the elevator door using the decorative film replacement jig for the elevator door of Figure 1. [Figure 7] This is a front view showing how to attach a decorative film to the widthwise end of an elevator door using the decorative film replacement jig for the elevator door of Figure 1. [Figure 8] FIG. 8 is a cross-sectional view taken along line VIII-VIII in FIG. 7. DETAILED DESCRIPTION OF THE INVENTION

[0009] Embodiment 1 Fig. 1 is a front view showing a jig for replacing decorative film on an elevator door according to embodiment 1. Fig. 2 is a cross-sectional view taken along line II-II in Fig. 1. Fig. 3 is a cross-sectional view taken along line III-III in Fig. 1. The jig for replacing decorative film on an elevator door according to embodiment 1 comprises a jig main body 1, an extension 2, and a handle 3.

[0010] The jig body 1 is formed in a plate shape. The surface of the jig body 1 facing one side in the plate thickness direction D1 of the jig body 1 is referred to as a first surface 101, and the surface of the jig body 1 opposite to the first surface 101 is referred to as a second surface 102. The shape of the first surface 101 is flat.

[0011] When the jig body 1 is viewed along the plate thickness direction D1, the shape of the jig body 1 is rectangular. The direction along the jig body 1 when viewed along the plate thickness direction D1 is the longitudinal direction D2. The direction perpendicular to the longitudinal direction D2 when viewed along the plate thickness direction D1 is the width direction D3.

[0012] The dimension of the jig body 1 in the plate thickness direction D1 is about 1 mm, the dimension of the jig body 1 in the longitudinal direction D2 is about 50 mm, and the dimension of the jig body 1 in the width direction D3 is about 10 mm.

[0013] The jig body 1 has a tapered portion 103, a curved surface portion 104, and a base portion 105. The tapered portion 103 is provided at an end of the jig body 1 on one side in the width direction D3. The curved surface portion 104 is provided at an intermediate portion of the jig body 1 in the width direction D3. The base portion 105 is provided at an end of the jig body 1 on the other side in the width direction D3.

[0014] In the tapered portion 103, the second surface 102 is formed so as to approach the first surface 101 toward one side in the width direction D3. Therefore, when viewed along the longitudinal direction D2, the angle formed between the first surface 101 and the second surface 102 in the tapered portion 103 is an acute angle. Specifically, the tapered portion 103 is formed like a blade.

[0015] The curved surface portion 104 is disposed on the other side of the tapered portion 103 in the width direction D3. The curved surface portion 104 is disposed continuous with the tapered portion 103. When viewed along the longitudinal direction D2, the second surface 102 of the curved surface portion 104 is convexly curved. In other words, when viewed along a direction perpendicular to the width direction D3 and along the first surface 101, the second surface 102 of the curved surface portion 104 is convexly curved.

[0016] The base portion 105 is disposed at an end of the jig body 1 on the other side in the width direction D3. Therefore, the base portion 105 is disposed on the other side in the width direction D3 with respect to the curved surface portion 104. The base portion 105 is also disposed contiguous to the curved surface portion 104. When viewed along the longitudinal direction D2, the first surface 101 and the second surface 102 of the base portion 105 are parallel to each other.

[0017] The extension 2 is provided on the jig body 1. The extension 2 extends from the jig body 1 in the longitudinal direction D2. The extension 2 is formed in a plate shape. The thickness direction of the extension 2 coincides with the thickness direction D1 of the jig body 1. The surface of the extension 2 facing one side in the thickness direction D1 is referred to as the first surface 201, and the surface of the jig body 1 opposite to the first surface 201 is referred to as the second surface 202.

[0018] When viewed along the longitudinal direction D2, the first surface 201 overlaps the first surface 101, and the second surface 202 overlaps the second surface .

[0019] The dimension of the extension portion 2 in the plate thickness direction D1 is approximately 1 mm. That is, the dimension of the extension portion 2 in the plate thickness direction D1 matches the dimension of the jig body 1 in the plate thickness direction D1. The dimension of the extension portion 2 in the longitudinal direction D2 is approximately 100 mm. The dimension of the extension portion 2 in the width direction D3 is approximately 10 mm. That is, the dimension of the extension portion 2 in the width direction D3 matches the dimension of the jig body 1 in the width direction D3.

[0020] Like the jig body 1, the extension 2 has a tapered portion 203, a curved surface portion 204, and a base portion 205. The tapered portion 203 is provided at an end of the extension 2 on one side in the width direction D3. The curved surface portion 204 is provided at an intermediate portion of the extension 2 in the width direction D3. The base portion 205 is provided at an end of the extension 2 on the other side in the width direction D3.

[0021] In the tapered portion 203, the second surface 202 is formed so as to approach the first surface 201 toward one side in the width direction D3. Therefore, when viewed along the longitudinal direction D2, in the tapered portion 203, the angle between the first surface 201 and the second surface 202 is an acute angle. Specifically, the tapered portion 203 is formed like a blade.

[0022] The curved surface portion 204 is disposed on the other side of the tapered portion 203 in the width direction D3. The curved surface portion 204 is disposed continuous with the tapered portion 203. When viewed along the longitudinal direction D2, the second surface 202 of the curved surface portion 204 is convexly curved. In other words, when viewed along a direction perpendicular to the width direction D3 and along the first surface 201, the second surface 202 of the curved surface portion 204 is convexly curved.

[0023] The base portion 205 is disposed at an end of the extension portion 2 on the other side in the width direction D3. Therefore, the base portion 205 is disposed on the other side in the width direction D3 with respect to the curved surface portion 204. The base portion 205 is also disposed contiguous to the curved surface portion 204. When viewed along the longitudinal direction D2, the first surface 201 and the second surface 202 of the base portion 205 are parallel to each other.

[0024] The handle portion 3 is provided on the extension portion 2. That is, the handle portion 3 is provided on the jig body 1 via the extension portion 2. The handle portion 3 is formed in a U-shape. Both ends of the handle portion 3 are connected to the extension portion 2. The handle portion 3 is disposed adjacent to the extension portion 2 on the other side in the width direction D3. The handle portion 3 is gripped by the worker.

[0025] The handle portion 3 is arranged to be offset in the longitudinal direction D2 with respect to the jig body 1. In other words, the handle portion 3 is offset with respect to the jig body 1 in a direction perpendicular to the width direction D3 and along the first surface 101.

[0026] The jig body 1, extension 2, and handle 3 are integrally formed with one another. In other words, the jig body 1, extension 2, and handle 3 are made of the same material and are a single, integrally formed member that cannot be disassembled.

[0027] Next, we will explain the procedure for replacing the decorative film 7 using the jig for replacing the decorative film of an elevator door according to embodiment 1. First, we will explain an elevator in which the decorative film 7 can be replaced using the jig for replacing the decorative film of an elevator door according to embodiment 1.

[0028] Figure 4 is a front view showing how the decorative film 7 is peeled off from the widthwise end of the landing door 601 using the jig for replacing the decorative film of the elevator door in Figure 1. Figure 5 is a cross-sectional view taken along line VV in Figure 4. A jamb 5 is provided on the wall 4 of the elevator shaft. A landing entrance / exit 501 is formed in the jamb 5. Elevator passengers move between the landing and the cart through the landing entrance / exit 501.

[0029] A landing door device 6 is provided on the wall 4 of the elevator shaft. FIG. 4 shows a center-open type landing door device 6. The landing door device 6 has a pair of landing doors 601. Each of the pair of landing doors 601 is an elevator door. The pair of landing doors 601 opens and closes a landing entrance 501. The respective positions of the pair of landing doors 601 when the landing entrance 501 is closed are defined as closed positions of the landing doors 601, and the respective positions of the pair of landing doors 601 when the landing entrance 501 is open are defined as open positions of the landing doors 601.

[0030] The three-sided jamb 5 is a facing member that faces the landing door 601 in the plate thickness direction of the landing door 601. The three-sided jamb 5 has a pair of vertical frames 502 that are erected on the floor of the landing and spaced apart from each other, and an upper frame 503 that is provided across the upper end portions of the pair of vertical frames 502.

[0031] A decorative film 7 is attached to the surface of the landing door 601. The decorative film 7 is attached to the entire surface of the landing door 601.

[0032] When the landing door 601 is in the open position, the entire decorative film 7 is disposed in the gap between the landing door 601 and the hoistway wall 4 and the jamb 5. Therefore, when the landing door 601 is in the open position, the entire decorative film 7 is not exposed.

[0033] On the other hand, when the landing door 601 moves from the open position to the closed position, a large portion of the decorative film 7 protrudes from the gap between the landing door 601 and the hoistway wall 4 and the jamb 5. Therefore, when the landing door 601 is in the closed position, a large portion of the decorative film 7 is exposed.

[0034] When performing work to replace the decorative film 7, the worker sets the position of the landing door 601 to the closed position. However, even when the position of the landing door 601 is the closed position, a part of the decorative film 7 is disposed in the gap 8 between the landing door 601 and the vertical frame 502. In addition, another part of the decorative film 7 is disposed in the gap (not shown) between the landing door 601 and the upper frame 503.

[0035] The dimension of the gap between the landing door 601 and the three-sided frame 5 in the plate thickness direction of the landing door 601 is about 6 mm. Therefore, the dimension of the gap 8 between the landing door 601 and the vertical frame 502 in the plate thickness direction of the landing door 601 is about 6 mm. In addition, the dimension of the gap between the landing door 601 and the upper frame 503 in the plate thickness direction of the landing door 601 is also about 6 mm.

[0036] Since the dimension of the gap between the landing door 601 and the three-sided frame 5 is about 6 mm, the worker cannot insert his / her fingers into the gap 8 between the landing door 601 and the vertical frame 502, and the worker cannot insert his / her fingers into the gap between the landing door 601 and the upper frame 503.

[0037] Since the dimension of the jig body 1 in the plate thickness direction D1 is about 1 mm, the jig body 1 can be inserted into the gap 8 between the landing door 601 and the vertical frame 502, and the jig body 1 can also be inserted into the gap between the landing door 601 and the upper frame 503.

[0038] Next, we will explain the procedure for peeling off the decorative film 7 from the surface of the landing door 601. When peeling off the decorative film 7 from the surface of the landing door 601, the jig for replacing the decorative film of the elevator door according to the first embodiment is used as a scraper.

[0039] When performing an operation to peel off the decorative film 7 arranged in the gap 8 between the landing door 601 and the vertical frame 502 from the surface of the landing door 601, the worker first grasps the handle portion 3 and inserts the jig main body 1 into the gap 8 between the landing door 601 and the vertical frame 502. At this time, the extension portion 2 and the handle portion 3 are positioned outside the gap 8 between the landing door 601 and the vertical frame 502. Therefore, while grasping the handle portion 3, the worker can easily move the jig main body 1 inserted into the gap 8 between the landing door 601 and the vertical frame 502.

[0040] Thereafter, the worker brings the tapered portion 103 into contact with the surface of the landing door 601 in a state in which the first surface 101 is disposed closer to the landing door 601 than the second surface 102. At this time, the jig body 1 is disposed so that the first surface 101 is inclined with respect to the surface of the landing door 601. Note that the entire surface of the first surface 101 may be brought into contact with the surface of the landing door 601.

[0041] Thereafter, the worker moves the jig body 1 along the surface of the landing door 601 so that the tapered portion 103 enters between the landing door 601 and the decorative film 7. As the tapered portion 103 enters between the landing door 601 and the decorative film 7, the decorative film 7 is peeled off from the surface of the landing door 601.

[0042] FIG. 6 is a front view showing how the decorative film 7 is peeled off from the upper end of the landing door using the jig for replacing the elevator door decorative film of FIG. 1. When peeling the decorative film 7, which is disposed in the gap between the landing door 601 and the upper frame 503, from the surface of the landing door 601, a worker first grasps the handle portion 3 and inserts the jig main body 1 into the gap between the landing door 601 and the upper frame 503. At this time, the extension portion 2 and the handle portion 3 are positioned outside the gap between the landing door 601 and the upper frame 503. Therefore, while grasping the handle portion 3, the worker can easily move the jig main body 1 inserted into the gap between the landing door 601 and the upper frame 503.

[0043] Thereafter, the worker brings the tapered portion 103 into contact with the surface of the landing door 601 in a state in which the first surface 101 is disposed closer to the landing door 601 than the second surface 102. At this time, the jig body 1 is disposed so that the first surface 101 is inclined with respect to the surface of the landing door 601. Note that the entire surface of the first surface 101 may be brought into contact with the surface of the landing door 601.

[0044] Thereafter, the worker moves the jig body 1 along the surface of the landing door 601 so that the tapered portion 103 enters between the landing door 601 and the decorative film 7. As the tapered portion 103 enters between the landing door 601 and the decorative film 7, the decorative film 7 is peeled off from the surface of the landing door 601.

[0045] When performing an operation to peel off the exposed decorative film 7 from the surface of the landing door 601, the worker inserts both the tapered portion 103 and the tapered portion 203 between the landing door 601 and the decorative film 7. By inserting the tapered portion 103 and the tapered portion 203 between the landing door 601 and the decorative film 7, the decorative film 7 is peeled off from the surface of the landing door 601.

[0046] Next, we will explain the procedure for applying the decorative film 7 to the surface of the landing door 601. When applying the decorative film 7 to the surface of the landing door 601, the decorative film replacement jig for the elevator door according to embodiment 1 is used as a squeegee.

[0047] Fig. 7 is a front view showing how decorative film 7 is attached to the width direction end of landing door 601 using the jig for replacing the decorative film of the elevator door in Fig. 1. Fig. 8 is a cross-sectional view taken along line VIII-VIII in Fig. 7.

[0048] After the old decorative film 7 is peeled off from the surface of the landing door 601, a new decorative film 7 is attached to the surface of the landing door 601. In the work of attaching the decorative film 7 to the surface of the landing door 601, first, the decorative film 7 is placed in the gap 8 between the landing door 601 and the vertical frame 502. Thereafter, the worker first grasps the handle portion 3 and inserts the jig main body 1 into the gap 8 between the landing door 601 and the vertical frame 502. At this time, the extension portion 2 and the handle portion 3 are positioned outside the gap 8 between the landing door 601 and the vertical frame 502. Therefore, while grasping the handle portion 3, the worker can easily move the jig main body 1 inserted into the gap 8 between the landing door 601 and the vertical frame 502.

[0049] Thereafter, the worker brings the curved surface portion 104 into contact with the surface of the landing door 601 in a state in which the second surface 102 is disposed closer to the landing door 601 than the first surface 101. At this time, the jig main body 1 is disposed so that the second surface 102 of the base portion 105 is inclined with respect to the surface of the landing door 601. Note that the entire surface of the second surface 102 of the base portion 105 may be brought into contact with the surface of the landing door 601.

[0050] Thereafter, the worker moves the jig main body 1 along the surface of the landing door 601 so that the decorative film 7 enters between the curved surface portion 104 and the landing door 601. By the decorative film 7 entering between the curved surface portion 104 and the landing door 601, the decorative film 7 is pressed against the surface of the landing door 601. As a result, the decorative film 7 is attached to the surface of the landing door 601 without any air bubbles being generated between the landing door 601 and the decorative film 7.

[0051] The work of placing the decorative film 7 in the gap between the landing door 601 and the upper frame 503 and sticking the decorative film 7 to the surface of the landing door 601 is similar to the work of placing the decorative film 7 in the gap 8 between the landing door 601 and the vertical frame 502 and sticking the decorative film 7 to the surface of the landing door 601.

[0052] When the work of attaching the decorative film 7 to the exposed surface of the landing door 601 is performed, the worker moves the jig main body 1 along the surface of the landing door 601 so that the decorative film 7 enters between the landing door 601 and the curved surface portion 104 and the curved surface portion 204. By the decorative film 7 entering between the curved surface portion 104 and the curved surface portion 204 and the landing door 601, the decorative film 7 is pressed against the surface of the landing door 601. As a result, the decorative film 7 is attached to the surface of the landing door 601 without any air bubbles being generated between the landing door 601 and the decorative film 7.

[0053] As described above, the elevator door decorative film replacement jig according to the first embodiment includes a plate-shaped jig body 1 and a handle portion 3 provided on the jig body 1. The jig body 1 is inserted into the gap between the landing door 601 and the jamb 5. The jig body 1 has a first surface 101 facing one side in the plate thickness direction D1 of the jig body 1 and a second surface 102 provided on the opposite side from the first surface 101. The jig body 1 has a tapered portion 103 provided at an end of the jig body 1 on one side in the width direction D3 of the jig body 1. The tapered portion 103 is formed such that the second surface 102 approaches the first surface 101 as it moves toward the one side in the width direction D3. With this configuration, when the jig body 1 is inserted into the gap between the landing door 601 and the jamb 5, the tapered portion 103 enters between the landing door 601 and the decorative film 7. This allows the decorative film 7 stuck to the surface of the landing door 601 to be easily peeled off.

[0054] Furthermore, in the elevator door decorative film replacement jig according to the first embodiment, the jig body 1 has a curved surface portion 104 provided in an intermediate portion of the jig body 1 in the width direction D3. In the curved surface portion 104, the second surface 102 is convexly curved when viewed in a direction perpendicular to the width direction D3 and along the first surface 101. With this configuration, when the jig body 1 is inserted into the gap between the landing door 601 and the jamb 5, the curved surface portion 104 presses the decorative film 7 against the landing door 601. This allows the decorative film 7 to be easily attached to the surface of the landing door 601.

[0055] Moreover, the handle portion 3 is offset with respect to the jig main body 1 in a direction perpendicular to the width direction D3 and along the first surface 101. According to this configuration, with the jig main body 1 inserted in the gap between the landing door 601 and the jamb 5, the handle portion 3 can be positioned from outside the gap between the landing door 601 and the jamb 5. This allows the worker to easily grip the handle portion 3 with the jig main body 1 inserted in the gap between the landing door 601 and the jamb 5.

[0056] In the elevator door decorative film replacement jig according to the first embodiment, the jig body 1 is configured to be inserted into the gap between the landing door 601 and the jamb 5. However, if the elevator door system has a high-speed door and a low-speed door, the jig body 1 may be configured to be inserted into the gap between the high-speed door and the low-speed door. In this case, in the relationship between the high-speed door and the low-speed door, the high-speed door is the elevator door, and the low-speed door is the opposing member facing the high-speed door. Also, in this case, in the relationship between the low-speed door and the jamb 5, the low-speed door is the elevator door, and the jamb 5 is the opposing member facing the low-speed door.

[0057] Furthermore, the elevator door decorative film replacement jig according to the first embodiment has been described as being configured to be used when replacing the decorative film 7 attached to the surface of the hall door 601. However, it may also be configured to be used when replacing the decorative film attached to the surface of a car door (not shown).

[0058] The above describes the jig for replacing the decorative film on an elevator door according to the preferred embodiment 1, but the present invention is not limited to the jig for replacing the decorative film on an elevator door according to the above-mentioned embodiment 1. Various modifications and conversions can be made to the jig for replacing the decorative film on an elevator door according to the above-mentioned embodiment 1 without departing from the scope of the claims. [Explanation of symbols]

[0059] 1 Jig body, 2 Extension part, 3 Handle part, 4 Elevator shaft wall, 5 Three-sided frame (opposing member), 6 Landing door device, 7 Decorative film, 8 Gap, 101 First surface, 102 Second surface, 103 Tapered part, 104 Curved surface part, 105 Base, 201 First surface, 202 Second surface, 203 Tapered part, 204 Curved surface part, 205 Base, 501 Landing entrance / exit, 502 Vertical frame, 503 Upper frame, 601 Landing door (elevator door).

Claims

1. A plate-shaped jig body inserted into a gap between an elevator door and an opposing member opposing the elevator door in the plate thickness direction of the elevator door; a handle portion provided on the jig body; Equipped with The jig body has a first surface facing one direction in a plate thickness direction of the jig body and a second surface provided on an opposite side to the first surface, The jig body has a tapered portion provided at an end of the jig body on one side in a width direction of the jig body, A jig for replacing decorative film on an elevator door, in which the second surface is formed so as to approach the first surface as it moves toward one side of the width direction in the tapered portion.

2. The jig body further has a curved surface portion provided in an intermediate portion of the jig body in the width direction, 2. A jig for replacing decorative film on an elevator door as described in claim 1, wherein the second surface of the curved surface portion is convexly curved when viewed in a direction perpendicular to the width direction and along the first surface.

3. 3. An elevator door decorative film replacement jig as described in claim 1 or claim 2, wherein the handle portion is shifted relative to the jig body in a direction perpendicular to the width direction and along the first surface.

Citation Information

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