Fittings

The fitting device addresses the risk of finger pinching during shoji screen operation by incorporating a cover that shields the movable range of the movable shaft, ensuring safe and secure operation.

JP7672325B2Active Publication Date: 2025-05-07LIXIL CORP
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Patent Information

Application Number
JP2021173799
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2021-10-25
Publication Date
2025-05-07
Estimated Expiration
2041-10-25

AI Technical Summary

Technical Problem

When opening and closing shoji screens, there is a risk of fingers being pinched by the tilt angle adjuster, such as a movable arm, due to the design of conventional interior windows.

Method used

A fitting device is designed with a frame body, a shoji screen, an arm attached to the frame that extends towards the shoji screen, a guide member on the shoji screen to guide the movable shaft of the arm, and a cover that covers at least part of the movable range of the movable shaft from outside, preventing finger pinching.

Benefits of technology

The solution effectively prevents fingers from being pinched during the operation of shoji screens by covering the movable range of the movable shaft, ensuring safe and secure opening and closing.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

To provide a fitting capable of preventing a finger from being caught during opening / closing.SOLUTION: A fitting 100 comprises: a frame body 1; a sash 2 placed inside the frame body 1; an arm 32 attached to the frame body 1, extending toward the sash 2 side; a guide member 31 attached to the sash 2, for guiding a movable shaft provided in the arm 32; and a cover 5 that covers at least a portion of a movable range of the movable shaft in the guide member 31, from outside the movable shaft. The cover 5 extends from an indoor side to an outdoor side of the sash 2.SELECTED DRAWING: Figure 1
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Description

[Technical field]

[0001] The present disclosure relates to building materials. [Background technology]

[0002] 2. Description of the Related Art Conventionally, tilt-in windows that include a frame, a paper screen, and an inclination angle adjustment device that adjusts the inclination angle of the paper screen have been known for use in buildings (see, for example, Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2008-127803 A Summary of the Invention [Problem to be solved by the invention]

[0004] When opening or closing a shoji screen, if one grasps the widthwise end of the screen with one's fingers, there is a risk that one's fingers will get caught in the tilt angle adjustment device, such as a movable arm.

[0005] The present disclosure has been made in consideration of the above circumstances, and provides a fitting that can prevent fingers from getting pinched when opening and closing. [Means for solving the problem]

[0006] A fixture according to one aspect of the present disclosure comprises a frame body, a shoji screen placed inside the frame body, an arm attached to the frame body and extending toward the shoji screen, a guide member attached to the shoji screen and guiding a movable shaft provided on the arm, and a cover covering at least a portion of the movable range of the movable shaft on the guide member from outside the movable shaft. [Brief description of the drawings]

[0007] [Figure 1] A perspective view of the fixture from the indoor side. [Diagram 2] Horizontal cross section of the building fixture. [Diagram 3] Exploded perspective view of a shoji screen. [Figure 4] A diagram showing the trajectory of a shoji screen. [Diagram 5] FIG. [Figure 6] FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0008] A fitting according to one embodiment will be described below with reference to the drawings. As shown in Fig. 1, the fitting 100 is, for example, a tilt-in window. The fitting 100 includes a frame 1, a paper screen 2, a pair of tilt angle adjustment devices 3, 3, a pair of operating parts 4, 4, and a pair of arm covers 5, 5. The arm cover 5 is an example of a cover.

[0009] The direction that connects the outdoor side and the indoor side and runs along the horizontal plane is called the indoor-outdoor direction. The direction that is perpendicular to the indoor-outdoor direction and runs along the horizontal plane is called the width direction. The direction in the width direction that faces the center of the building opening is called the inner width direction. The direction in the width direction that faces from the center of the building opening toward the edge is called the outer width direction.

[0010] The frame body 1 is installed in an opening of a building. The frame body 1 is formed in a four-sided frame shape. The frame body 1 has an upper frame 11, a lower frame 12, and a pair of vertical frames 13, 13. The upper frame 11 and the lower frame 12 extend in the width direction. The vertical frame 13 extends in the up-down direction. The vertical frame 13 connects the width direction end of the upper frame 11 and the end of the lower frame 12.

[0011] The shoji 2 is disposed inside the frame 1. The shoji 2 has a frame body 20 and glass 29. The frame body 20 is formed in a four-sided frame shape. The frame body 20 has an upper frame 21, a lower frame 22, and a pair of vertical frames 23, 23. The upper frame 21 and the lower frame 22 extend in the width direction. The vertical frame 23 extends in the up-down direction. Each vertical frame 23 connects the end of the upper frame 21 in the width direction to the end of the lower frame 22 in the width direction. The glass 29 is housed within the frame body 20. An upper operating unit 21a is attached to the upper frame 21. By operating the upper operating unit 21a, it is possible to lock and unlock the latch unit 11a attached to the upper frame 11.

[0012] The inclination angle adjustment device 3 is provided at both ends of the shoji screen in the width direction. The inclination angle adjustment device 3 connects the vertical frame 13 and the vertical railing 23. The inclination angle adjustment device 3 has a guide member 31 (see FIG. 3) and an arm 32.

[0013] As shown in FIG. 3, the vertical frame 23 of the shoji screen 2 has an indoor side panel portion 231 and a projection panel portion 232. The indoor side panel portion 231 is formed in a plate shape. The plate surface of the indoor side panel portion 231 faces the indoor / outdoor direction. The projection panel portion 232 extends from the indoor side panel portion 231 toward the outdoor side. The projection panel portion 232 is formed in a plate shape. The plate surface of the projection panel portion 232 faces in the width direction. The guide member 31 is attached to the projection panel portion 232.

[0014] A guide groove 311 is formed in the guide member 31. The guide groove 311 is a through hole that passes through the guide member 31 in the width direction.

[0015] The guide groove 311 has a wide groove portion 311a and a narrow groove portion 311b. The wide groove portion 311a is disposed above the narrow groove portion 311b. The lower portion of the wide groove portion 311a is continuous with the upper portion of the narrow groove portion 311b.

[0016] As shown in Fig. 2, one end of the arm 32 is rotatably attached to the vertical frame 13 via a mounting fixture 321. As shown in Fig. 4, the other end of the arm 32 extends toward the vertical frame 23. A movable shaft 322 that protrudes inward in the width direction is provided at the other end of the arm 32. The movable shaft 322 is inserted into the guide groove 311 of the guide member 31.

[0017] The movable shaft 322 has a movable shaft bottom portion (not shown), a large outer diameter portion 322b, a small outer diameter portion 322a, and a compression spring 322d.

[0018] The movable shaft bottom is slidably engaged with a surface of the guide member 31 facing inward in the width direction. The large outer diameter portion 322b is provided on the outer side of the movable shaft bottom in the width direction. The diameter of the large outer diameter portion 322b is smaller than the diameter of the movable shaft bottom. The large outer diameter portion 322b is approximately the same as the groove width of the wide groove portion 311a of the guide groove 311. The large outer diameter portion 322b is slidably guided within the range of the wide groove portion 311a of the guide groove 311. The small outer diameter portion 322a is provided on the outer side of the large outer diameter portion 322b in the width direction. The diameter of the small outer diameter portion 322a is smaller than the diameter of the large outer diameter portion 322b. The diameter of the small outer diameter portion 322a is approximately the same as the groove width of the narrow groove portion 311b of the guide groove 311. The small outer diameter portion 322 a is slidably guided within the range of the narrow groove portion 311 b of the guide groove 311 .

[0019] The compression spring 322d is provided on the small outer diameter portion 322a of the movable shaft 322. The compression spring 322d presses the surface of the guide member 31 facing outward in the width direction.

[0020] 3, the operation unit 4 is attached to the vertical frame 23. The operation unit 4 has an operation fixing member 41, an operation cover 42, and an operation unit main body 43. The operation unit 4 is made of a resin material, but may be made of a metal material.

[0021] The operation fixing member 41 is fixed to the surface facing the indoor side of the indoor side plate portion 231 of the vertical frame 23 by screws 512 described later. The operation cover 42 covers the operation fixing member 41 from the indoor side. The operation unit main body 43 is inserted into a through hole (not shown) that is formed in the operation fixing member 41 and the operation cover 42 and penetrates in the indoor / outdoor direction.

[0022] The operation unit main body 43 has an operation knob 431, a rotating shaft support part 432, and a movable shaft pressing piece 433. The operation knob 431 is disposed on the indoor side of the operation cover 42. The operation knob 431 is disposed so as to be movable in the width direction within a through hole formed in the operation cover 42. The rotating shaft support part 432 is provided on the outdoor side of the operation knob 431. The rotating shaft support part 432 is disposed on the outdoor side of the operation fixing member 41. The rotating shaft support part 432 is supported by the operation fixing member 41 so as to be rotatable around an axis in the axial direction in the up-down direction. The movable shaft pressing piece 433 is provided on the outdoor side of the rotating shaft support part 432. When the operation knob 431 is pressed with a finger toward the vertical frame 13 (see FIG. 1), the rotating shaft support portion 432 rotates, and the movable shaft pressing piece 433 moves closer to the projection plate portion 232 of the vertical frame 23. When the finger is released from the operation knob 431, the operation unit main body 43 returns to its original position by a biasing portion (not shown). The movable shaft pressing piece 433 is an example of a pressing portion.

[0023] An insertion hole 234 penetrating in the indoor-outdoor direction is formed in the indoor side plate portion 231 of the vertical frame 23. A rotation shaft support portion 432 and a movable shaft pressing piece 433 of the operation unit 4 are inserted into the insertion hole 234.

[0024] As shown in the left-hand diagram of FIG. 4, when the screen 2 is closed, the large outer diameter portion 322b of the movable shaft 322 of the arm 32 is positioned at the upper end of the wide groove portion 311a of the guide member 31.

[0025] When the upper operating part 21a (see FIG. 1) provided on the upper frame 21 of the shoji screen 2 is operated, the latch part 11a (see FIG. 1) is unlocked. When an attempt is made to manually tilt the upper operating part 21a toward the inside of the room, the large outer diameter part 322b of the movable shaft 322 moves downward within the wide groove part 311a. When the large outer diameter part 322b of the movable shaft 322 reaches the lower end of the wide groove part 311a of the guide member 31, its movement is restricted. As shown in the center diagram of FIG. 4, the shoji screen 2 opens to a predetermined angle. The state of the shoji screen 2 shown in the center diagram of FIG. 4 is referred to as the first open state.

[0026] In this state, when the operating knob 431 is pressed toward the vertical frame 13 (see FIG. 1) with a finger, the movable shaft pressing piece 433 moves toward the projection plate portion 232 of the vertical frame 23, and presses the movable shaft 322 toward the projection plate portion 232. The movable shaft 322 enters deeply into the wide groove portion 311a of the guide member 31. When the vertical frame 23 of the shoji screen 2 is held by hand and tilted toward the indoor side, the small outer diameter portion 322a of the movable shaft 322 moves within the narrow groove portion 311b of the guide member 31, as shown in the right diagram of FIG. 4. The shoji screen 2 opens further. When the small outer diameter portion 322a of the movable shaft 322 hits the lower end of the narrow groove portion 311b of the guide member 31, the movement of the movable shaft 322 is restricted. The state of the shoji screen 2 shown in the right diagram of FIG. 4 is the second open state.

[0027] 5, the arm cover 5 has an attachment plate portion 51 and a cover portion 52. The arm cover 5 is made of a metal material, but may be made of a resin material.

[0028] The mounting plate portion 51 is formed in a plate shape. As shown in Fig. 3, the mounting plate portion 51 is disposed on a surface of the indoor side plate portion 231 of the vertical frame 23 facing the outdoor side. The plate surface of the mounting plate portion 51 faces the indoor / outdoor direction. The mounting plate portion 51 has a substantially rectangular shape. The mounting plate portion 51 is formed with a notch portion 516 recessed inward from the outer side in the width direction.

[0029] The mounting plate portion 51 has two mounting holes 511 formed vertically apart, penetrating in the indoor / outdoor direction. A screw 512 is inserted into the mounting hole 511 from the outdoor side, inserted into a mounting hole 233 formed in the indoor side plate portion 231 of the vertical frame 23, and screwed into a screw hole 411 formed in the operation fixing member 41 of the operation unit 4. The operation unit 4 and the arm cover 5 are separate members. The mounting plate portion 51 and the operation unit 4 of the arm cover 5 are fastened together and attached to the indoor side plate portion 231 of the vertical frame 23 by the screw 512.

[0030] The portion of the mounting plate 51 above the upper mounting hole 511 is referred to as an upper mounting piece 517. The portion of the mounting plate 51 below the lower mounting hole 511 is referred to as a lower mounting piece 518.

[0031] The cover portion 52 has an upper cover piece 521 and a lower cover piece 522. The upper cover piece 521 extends to the outdoor side from the outer end in the width direction of the upper mounting piece 517. The lower cover piece 522 extends to the outdoor side from the outer end in the width direction of the lower mounting piece 518.

[0032] As shown in FIG. 2, the cover portion 52 is disposed on the outer side in the width direction of the arm 32 of the inclination angle adjustment device 3. As shown in FIG. 4, the upper cover piece 521 covers the portion of the wide groove portion 311a of the guide member 31 except for the lower portion from the outer side in the width direction. The lower cover piece 522 covers the portion of the narrow groove portion 311b of the guide member 31 except for the upper portion from the outer side in the width direction. The movable range of the movable shaft 322 is the range from the upper end of the wide groove portion 311a of the guide member 31 to the lower end of the narrow groove portion 311b. The cover portion 52 covers at least a part of the movable range of the movable shaft 322 in the guide member 31 from the outer side in the width direction. In the first open state shown in the center diagram of FIG. 4, the lower cover piece 522 covers the upper portion of the arm 32 from the outer side in the width direction.

[0033] In the fitting 100, the cover portion 52 of the arm cover 5 covers at least a part of the movable range of the movable shaft 322 of the guide member 31 from the outside in the width direction. In the first open state of the shoji screen 2, the lower cover piece portion 522 covers the upper part of the arm 32 and a part of the guide member 31 other than the upper part of the narrow groove portion 311b from the outside in the width direction. When holding the vertical frame 23 of the shoji screen 2 with one's hand and tilting it indoors to open it to the second open state, the hand does not come into contact with the arm 32 or get into the narrow groove portion 311b of the guide member 31, and it is possible to prevent fingers from being pinched when opening or closing.

[0034] The upper cover piece 521 of the arm cover 5 covers a portion of the guide member 31 other than the lower portion of the wide groove portion 311a from the outside in the width direction. Even if a finger extends from the outside in the width direction toward the wide groove portion 311a, the upper cover piece 521 covers the wide groove portion 311a, so that the finger does not come into contact with the wide groove portion 311a, the movable shaft 322 disposed in the wide groove portion 311a, and the arm extending from the movable shaft 322, and it is possible to prevent the finger from being pinched when opening or closing.

[0035] The cover portion 52 of the arm cover 5 extends to the outdoor side from the mounting plate portion 51 attached to the projection plate portion 232 of the vertical frame 23. Since there is no gap between the projection plate portion 232 of the vertical frame 23 and the cover portion 52 in the indoor / outdoor direction, there is no contact with the tilt angle adjustment device 3 from the indoor side.

[0036] The operation unit 4 and the arm cover 5 are separate components. The operation unit 4 is made of a resin material, and the arm cover 5 is made of a metal material. Compared to when the operation unit 4 and the arm cover 5 are integrally made of a metal material, the mold for the metal part can be made smaller, and costs can be reduced. If the arm cover 5 is newly manufactured using the existing operation unit 4, the arm cover 5 can be attached to the existing operation unit 4.

[0037] (Modification) Next, the fitting according to the modified example will be described mainly with reference to Fig. 6. In the description of the modified example shown below, the same members as those described above are given the same reference numerals and the description thereof will be omitted.

[0038] As shown in Fig. 6, the fitting 100A according to the modified example is provided with an operation cover member 6 in which the operation unit and the arm cover of the embodiment shown above are made of the same material. The operation cover member 6 has an operation fixing member 41 (see Fig. 3), an operation cover 42, and an operation unit main body cover part 53. The operation cover member 6 is made of a resin material.

[0039] The operation unit body cover portion 53 has an operation knob 431, a rotation shaft support portion 432, and a movable shaft pressing cover portion .

[0040] The movable shaft pressing cover part 54 has the function of the movable shaft pressing piece 433 of the operation part 4 and the cover part 52 of the arm cover 5 in the embodiment shown above. The movable shaft pressing cover part 54 is provided on the outdoor side of the rotating shaft support part 432. The movable shaft pressing cover part 54 has a shape that is long in the vertical direction. The movable shaft pressing cover part 54 can press the movable shaft 322 toward the projection plate part 232. The movable shaft pressing cover part 54 covers the guide member 31 from the upper end part of the wide groove part 311a to the lower end part of the narrow groove part 311b from the outside in the width direction.

[0041] In the fitting 100A, the movable shaft pressing cover portion 54 of the arm cover 5 covers the guide member 31 from the upper end of the wide groove portion 311a to the lower end of the narrow groove portion 311b from the outside in the width direction. When trying to open the door to the second open state by holding the vertical frame 23 of the shoji screen 2 with one's hand and tilting it indoors, the hand does not come into contact with the arm 32 or get into the narrow groove portion 311b of the guide member 31, and it is possible to prevent fingers from being pinched when opening or closing the door.

[0042] The operation cover member 6 is a member having the functions of both an operation section and a cover. The number of parts can be reduced, and the operation cover member 6 can be made of a resin member.

[0043] The shapes and combinations of the components shown in the above-described embodiment are merely examples, and various modifications can be made based on design requirements, etc., without departing from the spirit of the present disclosure. [Explanation of symbols]

[0044] 1 frame body, 2 shoji screen, 4 operating part, 5 arm cover, cover, 31 guide member, 32 arm, 100, 100A fitting, 322 movable shaft, 433 movable shaft pressing piece, pressing part

Claims

1. A frame body, A shoji screen disposed inside the frame body; An arm attached to the frame and extending toward the shoji screen; A guide member attached to the screen and guiding a movable shaft provided on the arm; A fitting comprising: a cover that covers at least a portion of the movable range of the movable shaft in the guide member from outside the movable shaft.

2. The fixture according to claim 1 , wherein the cover extends from the indoor side of the shoji screen to the outdoor side.

3. A pressing part is provided to press the movable shaft, and an operating part is attached to the screen, The fixture according to claim 1 or 2, wherein the operating portion and the cover are separate members.

4. A pressing part is provided to press the movable shaft, and an operating part is attached to the screen, The fixture according to claim 1 or 2, wherein the operating portion and the cover are made of the same material.

Citation Information

Patent Citations

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    JP2008127803A