JP4093417B2 - Refurbished sash - Google Patents

Description

  The present invention relates to a refurbished sash in which an existing sash frame of an existing sash attached to a building frame remains, and a new sash frame of a new sash is attached to the existing sash frame.

  As disclosed in Patent Document 1, the existing sash frame of the existing sash remains in the building frame, and the upper, lower, and vertical base materials are fixed to the existing upper frame, lower frame, and vertical frame of the existing sash frame, respectively. There is a remodeled sash that attaches the new sash frame to the existing sash frame by fixing the new sash frame to the existing sash frame by fixing the new upper sash frame, the lower frame, and the vertical frame to the respective base materials with the fixing tools. ing.

Japanese Utility Model Publication No. 63-46608

The lower base material in the above-described refurbished sash is fixed to the lower rail of the existing lower frame with screws, and the lower rail rises from the main body fixed to the building frame. Rainwater does not enter the building frame from the part that sticks to the building. That is, when the lower base material is fixed to the main body portion of the existing lower frame with screws, rainwater or the like enters the building frame from the screw insertion holes of the main body portion.
However, the cross-sectional shape of the lower rail in the existing lower frame is different. For example, the upper end of the rising piece is integrated with the shoji guide portion protruding from the indoor outer surface of the rising piece, the shoji guide portion protruding from the indoor side surface of the rising piece, and the shoji guide portion protruding from the outdoor surface of the rising piece. A lower rail having a cross-sectional shape provided is known.

For this reason, the lower base material may not be attached to the lower rail having a different cross-sectional shape, and the lower base material corresponding to the cross-sectional shape of the lower rail will be manufactured and prepared. Cost.
For example, when the mounting part of the lower base material is a hanging piece, and the hanging piece is in contact with the rising piece of the lower rail and fixed with screws, the shoji guide part at the upper end of the rising piece protrudes to the outdoor side. Then, the hanging piece interferes with the shoji guide portion, and the lower base material cannot be firmly fixed in a correct posture. Therefore, it is necessary to prevent the hanging piece from interfering with the shoji guide portion as a bent shape.

  It is an object of the present invention to provide a modified sash that can be attached to an existing lower frame via a lower base material that can be attached to a lower rail having a different cross-sectional shape, has a lower number of types of lower base materials, and is low in cost. .

The first invention is a modified sash in which a lower base material is attached to an existing lower frame of an existing sash frame remaining in a building frame, and a new lower frame of a new sash frame is attached to the lower base material.
The lower base material has a mounting portion, and the mounting portion is placed on the upper end surface of the lower rail of the existing lower frame, is in contact with the indoor side surface of the lower rail, and is closer to the outdoor side than the lower rail. The fixing screw is screwed in the indoor / outdoor direction, and the fastening force of the fixing screw acts on the outdoor side surface of the lower rail on which the mounting portion is placed, so that the indoor side surface and the outdoor side surface of the lower rail It is a refurbished sash characterized by being sandwiched and attached.

According to a second invention, in the first invention, the lower rail of the existing lower frame has a shoji guide portion on the top of the rising piece,
The lower base material has a mounting portion, and the mounting portion has a lateral piece placed on the shoji guide portion, a downward piece in contact with the indoor side surface of the rising piece, and a screw threaded piece facing the outdoor side surface of the rising piece. And
This is a modified sash that holds the rising piece by pressing the downward piece against the indoor side surface of the rising piece by using the fastening force of the fixing screw screwed to the screw screwing piece.

  According to a third invention, in the second invention, the lower base material is provided with a mounting frame lower frame for mounting a new lower frame, and the mounting frame lower frame can be adjusted in the vertical direction and the indoor outside direction with respect to the mounting portion. It is a sash.

In a fourth aspect based on the third aspect, the lower base material is provided with an attachment portion, a lower frame base attached to the attachment portion so that the position can be adjusted in the vertical direction, and a position adjustment to the lower frame base in the indoor exterior direction. It is equipped with a mounting frame lower frame that can be freely mounted,
In the modified sash, the lower frame base is fixed to an existing lower frame and a new lower frame is attached to the lower frame of the mounting frame.

  According to the present invention, the new lower frame can be attached to the existing lower frame via the lower base material that can be attached to the lower rail having a different cross-sectional shape. Therefore, the number of lower base materials is small and the cost is low.

As shown in FIGS. 1 and 2, an existing sash frame 10 of an existing sash is attached to the sash attachment opening 2 of the building housing 1. The existing sash frame 10 has an existing upper frame 11, an existing lower frame 12, and left and right existing vertical frames 13 framed in a rectangular shape.
In this embodiment, the sash mounting opening 2 of the building housing 1 includes a lintel 3, a window base 4, and a pillar 5, and an existing upper frame 11 is attached to the lintel 3, and an existing lower frame is mounted on the window base 4. 12 is attached, and the existing vertical frame 13 is attached to the pillar 5. In addition, the sash attachment opening part of the building frame 1 may be formed with concrete, PC board, etc.
The new sash frame 20 of the new sash has a new upper frame 21, a new lower frame 22, and left and right new vertical frames 23 in a rectangular shape.

The new sash frame 20 is attached to the existing sash frame 10 via a base material.
For example, the upper base material 30 is attached to the existing upper frame 11, and the new upper frame 21 is attached to the upper base material 30.
A lower base material 40 is attached to the existing lower frame 12, and a new lower frame 22 is attached to the lower base material 40.
A vertical base material 50 is attached to the existing vertical frame 13, and a new vertical frame 23 is attached to the vertical base material 50.

The lower base material 40 is placed on the upper end surface of the lower rail 14 of the existing lower frame 12 and sandwiches the indoor side surface and the outdoor side surface of the lower rail 14 by using the fastening force of the fixing screw 15, so It is mounted so as not to move.
Since it is like this, the same lower base material 40 can be attached to the lower rail 14 from which cross-sectional shape differs.

A preferred mounting form of the lower base material 40 will be described.
The lower rail 14 of the existing lower frame 12 includes a rising piece 14a provided integrally with the lower frame main body 12a, and a shoji guide portion 14b provided integrally with an upper end portion of the rising piece 14a.
The mounting portion 41 of the lower base material 40 includes a lateral piece 41a placed on the shoji guide portion 14b (the upper end surface of the lower rail 14), and an indoor side surface (lower rail 14) of the rising piece 14a that is continuous with the lateral piece 41a. A downwardly facing piece 41b (preferably a bowl-shaped downwardly facing piece 41b) and a screw threading piece 41c. The screw threading piece 41c is provided on the outdoor side surface of the rising piece 14a (outdoor of the lower rail 14). Facing each other with a gap in the prospective direction.
The fixing screw 15 is screwed into the screw threading piece 41c in the indoor outside direction, and the fastening force of the fixing screw 15 is used to clamp the indoor outer surface of the rising piece 14a to the indoor outside direction. Fix it so that it will not move.
For example, the fixing screw 15 is pressed against the outdoor side surface of the rising piece 14a, and the fixing screw 15 is further tightened to move the mounting portion 41 toward the outdoor side, so that the downward piece 41b is placed on the indoor side surface of the rising piece 14a. The rising piece 14a is held between the fixing screw 15 and the downward piece 41b.

  In this way, the shoji guide portion 14b of the lower rail 14 has a cross-sectional shape that protrudes to the outdoor side of the rising piece 14a, a cross-sectional shape that protrudes to both the indoor side and the outdoor side, and a cross-sectional shape that protrudes to the indoor side. The attachment portion 41 can be firmly attached to the lower rail 14.

It is preferable that the lower base material 40 includes a mounting frame lower frame 43 to which the newly installed lower frame 22 is attached, and the mounting frame lower frame 43 can be adjusted in the vertical direction (height direction) and the indoor outside direction with respect to the mounting portion 41.
For example, the lower base material 40 is attached to the mounting portion 41 described above, a lower frame base 42 attached to the mounting portion 41 so that the position can be adjusted in the vertical direction, and attached to the lower frame base 42 so that the position can be adjusted in the indoor exterior direction. The new lower frame 22 is attached to the lower frame 43 of the mounting frame.

In this way, the new lower frame 22 can be attached to the existing lower frame 12 with its position adjusted in the vertical direction and the indoor outside direction, so that the new sash frame 20 can be attached without being affected by the shape of the existing sash frame 10.
For example, the position of the lower frame base 42 is adjusted vertically according to the height (vertical dimension) of the lower rail 14 of the existing lower frame 12. The position of the attachment frame lower frame 43 is adjusted in the indoor outside direction according to the dimension of the existing sash frame 10 in the indoor outside direction.

Next, the specific shape of each member of the lower base material 40 will be described.
As shown in FIGS. 1 and 3, the mounting portion 41 includes a lateral piece 41a, a downward piece 41b, and a screw threading piece 41c, and a hook piece 41d is provided on the upper surface of the intermediate portion in the indoor outside direction of the lateral piece 41a. Provided toward the outdoor side, an upward piece 41e is provided at the outdoor side end portion of the flange piece 41d, and a groove 44 opened to the outdoor side is formed on the upper surface of the flange piece 41d and the horizontal piece 41a.
The lower frame base 42 is substantially L-shaped with a horizontal plate 42a and a vertical plate 42b. The indoor side portion of the horizontal plate 42a is overlapped with the indoor side portion 12b of the existing lower frame 12, and a fixture, for example, an attachment screw 45 is used. Securely attached to the building frame 1 (window base 4). The mounting screw 45 is a tex screw and is screwed into the window base 4 while making a hole in the indoor side portion 12b of the existing lower frame 12.
A vertical hole 46 is formed in the vertical plate 42b, and an adjustment screw 47 is screwed into the groove 44 of the mounting portion 41 through the long hole 46, and the outdoor portion of the lower frame base 42 is connected to the mounting portion. It adheres to 41.

Accordingly, the mounting position of the lower frame base 42 with respect to the mounting portion 41 can be adjusted in the vertical direction by moving the adjustment screw 47 in the vertical direction (height direction) along the elongated hole 46 in the vertical direction. The new lower frame 22 can be attached to a predetermined height without being affected by the height of the lower rail 14.
A plurality of grooves are formed at intervals in the vertical direction on the surfaces of the upper piece 41e of the mounting portion 41 and the vertical plate 42b of the lower frame base 42 that are in contact with each other. Are engaged with the groove 44 so that the grooves are engaged with each other and can be firmly connected without moving in the vertical direction even when the weight of the newly installed sash or the weight of a person is applied.

As shown in FIG. 1, the mounting frame lower frame 43 is substantially L-shaped with a horizontal plate 43a and a vertical plate 43b. The horizontal plate 43a is overlapped with the upper surface of the horizontal plate 42a of the lower frame base 42, and screws 48 are used. It is fixed.
And the vertical board 43b protrudes from the existing lower frame 12 to the outdoor side.
The screw 48 is a tex screw and can be screwed into an arbitrary position on the horizontal plate 42a of the lower frame base 42. Therefore, the mounting frame lower frame 43 can be attached to the lower frame base 42 with its position adjusted in the indoor exterior direction. The present invention is not limited to this, and a long hole may be formed in the horizontal plate 43a, and a screw hole may be formed in the horizontal plate 42a so that the position can be adjusted in the indoor / outdoor direction.
The indoor side portion 22a of the newly installed lower frame 22 is placed on the horizontal piece 43a of the mounting frame lower frame 43, the outdoor mounting vertical piece 22b is in contact with the vertical piece 43b, and from the indoor side portion 22a and the mounting vertical piece 22b. Screws 49 are screwed together to attach the newly installed lower frame 22 to the attachment frame lower frame 43.

The mounting portion 41 and the lower frame base 42 are short, and a plurality of the mounting portions 41 and the lower frame base 42 are mounted at intervals in the longitudinal direction of the existing lower frame 12.
By doing in this way, when the existing lower frame 12 is curved in the vertical direction toward the longitudinal direction due to secular change or the like, the vertical positions of the plurality of mounting portions 41 are not uniform. On the other hand, the position of the lower frame base 42 can be adjusted in the vertical direction so that the horizontal plate 42a has the same height, so that the mounting frame lower frame 43 can be mounted horizontally with respect to the longitudinal direction.
The attachment portion 41 and the lower frame base 42 may be one long one.
Therefore, the shape of the attachment portion (the indoor side portion 22a and the outdoor attachment vertical piece 22b) of the newly installed lower frame 22 with respect to the attachment frame lower frame 43 is the shape corresponding to the horizontal piece 43a and the vertical piece 43b of the attachment frame lower frame 43. So that only one type of lower base material 40 (mounting portion 41, lower frame base 42, mounting frame lower frame 43) is prepared, and the mounting portion can be attached to an existing lower frame having a different cross-sectional shape. It becomes possible to attach all the new lower frames having
Therefore, since only one type of lower base material needs to be prepared, the number of types of lower base materials can be minimized and the cost can be reduced.

Further, since the groove portion 44 directed in the left-right direction is formed in the mounting portion 41 and the adjustment screw 47 is screwed into the groove portion 44 from the elongated hole 46, the adjustment screw 47 needs to be positioned in the left-right direction with respect to the mounting portion 41. The adjustment screw 47 can be easily screwed into the groove 44.
Note that a screw hole may be formed instead of the groove 44.

Next, attachment of the new upper frame 21 and the new vertical frame 23 will be described.
The upper base material 30 and the vertical base material 50 are preliminarily framed with the mounting frame lower frame 43 of the lower base material 40 to form a mounting frame. That is, the upper base material 30 is the upper frame of the mounting frame, and the vertical base material 50 is the vertical frame of the mounting frame.
The upper base material 30 is plate-shaped toward the indoor outside direction, and the outdoor rising portion 31 is in contact with the outdoor side surface 11a (screen door rail) of the existing upper frame 11, positioned in the indoor outside direction, and fixed with screws 32. The outdoor rising portion 31 may be in direct contact with the outdoor side surface 11a, but it is preferable that the outdoor side rising portion 31 is in contact with a water-stopping sponge.
The indoor side portion 33 of the upper base material 30 is overlapped with the indoor side portion 11b of the existing upper frame 11 (in this embodiment, they are overlapped via a spacer), and a fixture such as a mounting screw 34 is attached to the building housing 1 ( Screw and fasten to the lintel 3).
The rising portion 21a of the new upper frame 21 is in contact with the outdoor side surface 35 of the upper base material 30, and screws 36 are screwed and fixed. The new upper frame 21 and the upper base material 30 are connected by a fixture, for example, a mounting screw 37.

In this way, the upper base material 30 is attached to be positioned in the indoor outside direction with reference to the outdoor side surface 11a of the existing upper frame 11, and the mounting frame lower frame 43 of the upper base material 30 and the lower base material 40 is pre-framed. Therefore, when the indoor outer direction dimension (expected dimension) of the existing upper frame 11 is different, the mounting frame lower frame 43 is displaced in the indoor outer direction position with respect to the lower frame base 42.
In order to absorb this, the mounting frame lower frame 43 can be adjusted in position by sliding in the indoor exterior direction relative to the lower frame base 42.

The vertical portion base material 50 has a plate-like shape facing the indoor outside direction, and includes a rectangular hollow portion 51 on the outdoor side portion, and a first seal portion 52 facing the indoor side and a second side facing the indoor side by the rectangular hollow portion 51. A seal portion 53 is formed. The first seal portion 52 and the second seal portion 53 are substantially perpendicular.
The indoor side portion 54 of the vertical base material 50 overlaps the indoor side portion 13a of the existing vertical frame 13 (in this embodiment, they are overlapped via a spacer), and a fixture such as a mounting screw 55 is attached to the building housing 1. Screw on (pillar 5) and attach.
The outdoor hollow portion 51 of the vertical base material 50 protrudes further to the outdoor side than the outdoor side portion 13b (a piece per screen door) of the existing vertical frame 13.
The indoor side portion of the new vertical frame 23 overlaps the outdoor side of the vertical base material 50 and is fixed by a fixture, for example, a mounting screw 56, and the outdoor side portion of the new vertical frame 23 is more than the vertical base material 50. Projects to the outside of the room.

Next, the seal between the outdoor side portions of the existing sash frame 10 and the new sash frame 20 will be described.
As shown in FIG. 1, the space between the outdoor side surface 11 a of the existing upper frame 11 and the outdoor side rising portion 31 of the upper base material 30 is sealed with an upper horizontal sealing material 60. The upper horizontal sealing material 60 is preferably a wet sealing material.
As shown in FIG. 1, a lower horizontal sealing material 61 is mounted on the indoor side surface of the vertical plate 43 b of the mounting frame lower frame 43 toward the indoor side, and the lower horizontal sealing material 61 is attached to the outdoor side portion 12 c of the existing lower frame 12. Pressure contact.
The lower horizontal sealing member 61 has a sufficiently long dimension in the indoor outside direction, and is pressed against the outdoor side portion 12c of the existing lower frame 12 even when the mounting frame lower frame 43 slides in the indoor outside direction as described above. .

As shown in FIG. 2, a vertical watertight material 62 is mounted across the first and second seal portions 52 and 53 of the vertical base material 50. The vertical watertight material 62 has a large size in the indoor outside direction and a size in the left and right direction, and the first and second seal portions 52 and 53 are positioned in the indoor outside direction and the left and right direction with respect to the outdoor side portion 13b of the existing vertical frame 13. Even if it is displaced, the vertical watertight material 62 is pressed against the outdoor side portion 13b of the existing vertical frame 13.
The above-mentioned vertical watertight material 62 is preferably a sponge, but may be any material that satisfies the above-mentioned conditions.
Therefore, as described above, when the dimensions of the existing vertical frame 13 in the indoor outside direction are different, or the outdoor side portion 13b of the existing vertical frame 13 has a bowl shape (surface drop), and there is a portion where the vertical watertight material 62 contacts. Even in the case of possessing two pieces shifted in the indoor outside direction and the left-right direction, the space between the outdoor side portion 13b of the existing vertical frame 13 and the outdoor side portion of the vertical base material 30 can be reliably sealed (watertight).
Since the new vertical frame 23 is fixed to the outdoor portion of the vertical base material 50 and protrudes to the outdoor side, the gap between the existing vertical frame 13 and the vertical base material 50 may be sealed as described above. .

As shown in FIG. 1, since the outdoor portion of the existing upper frame 11 and the upper base material 30 is exposed to the outside, the upper horizontal decorative molding 63 is attached and covered.
Moreover, as shown in FIG. 2, since the outdoor part of the existing vertical frame 13 and the vertical base material 50 is exposed outside, the vertical decorative molding 64 and the vertical frame attachment 65 are attached and covered.
The outdoor portion of the vertical frame attachment 65 is engaged and connected to the outdoor portion of the newly installed vertical frame 23, and the indoor side portion thereof is fixedly attached to the outdoor surface of the vertical base material 50 with screws 66. is there.
A locking recess 65a is formed in the indoor side portion of the vertical frame attachment 65, and a locking piece 64a of the vertical decorative molding 64 is locked and attached in a snap manner.

Mounting frame lower frames 43 of the upper base material 30 and the lower base material 40 are abutted against the inner surfaces of the left and right vertical base materials 50 facing each other and connected by screws 67.
Since the vertical plate 42b of the lower frame base 42 of the lower base material 40 and the vertical plate 43b of the mounting frame lower frame 43 are separated from each other in the indoor / outdoor direction, the vertical plates 42b and 43b and the outdoor side of the existing lower frame 12 are separated from each other. A water-stopping material such as a sponge 68 is provided across the longitudinal end of the portion 12c so that rainwater or the like does not enter.
In addition, the opening end of the outdoor hollow portion 51 of the vertical base material 50 is water-stopped by a water-stop material, for example, a sponge 69.

Next, an example of the remodeling method will be described.
First, the shoji is removed from the existing sash frame 10, and the existing sash frame 10 is left in the building frame 1.
Then, a mounting portion 41 is attached to the lower rail 14 of the existing lower frame 12, and the lower frame base 42 is attached to the mounting portion 41 by adjusting the vertical position, and the lower frame base 42 is attached to a predetermined vertical position (predetermined Height).
After this, the framed mounting frame (upper base material 30, mounting frame lower frame 43 of lower base material 40, vertical base material 50) is attached to the new sash frame 20, and in this state, on the lower frame base 42. While being placed, it is fitted into the existing sash frame 10, and the outdoor side rising portion 31 of the upper base material 30 is brought into contact with the outdoor side surface 11 a of the existing upper frame 11 and positioned in the indoor outside direction.
Further, the upper base material 30 and the vertical base material 50 are fixed to the building housing 1 as described above, and the attachment frame lower frame 43 of the lower base material 40 is fixed to the lower frame base 42 as described above.
Finally, the upper horizontal cosmetic mall 63, the vertical cosmetic mall 64, and the vertical frame attachment 65 are attached.

Next, another embodiment in which the lower base material 40 is attached to the lower rail 14 will be described.
As shown in FIGS. 4A, 4B, and 4C, the fixing screw 15 is pressed against the outdoor side surface of the lower rail 14 (the rising piece 14a) through the contact plate (back plate) 16.
In this case, the contact plate 16 is pressed against the outdoor side surface of the lower rail 14 by the tightening force of the fixing screw 15, and the contact area becomes wider than when the fixing screw 15 is directly pressed. The lower rail 14 can be clamped firmly with 41b.
That is, it is preferable that the contact plate 16 has substantially the same length as the downward piece 41 b of the attachment portion 41.
It is only necessary to press the tip of the fixing screw 15 against the backing plate 16, but a small diameter portion is formed at the tip of the fixing screw 15, a recess is formed in the backing plate 16, and the fixing screw 15 of the fixing screw 15 is formed in the recess. You may make it fit a small diameter part.
Further, the distal end portion of the fixing screw 15 may be rotatably connected to the contact plate 16 in a state where the fixing screw 15 is screwed to the screw screwing piece 41c.
If it does in this way, since the contact plate 16 does not fall off, it is easy to perform the attaching operation.

As shown in FIG. 5, the mounting portion 41 has a shape having a lateral piece 41a, a downward piece 41b, a screw threaded piece 41c, and an upward piece 41f, and the tex screw 17 is lifted from the vertical plate 42b of the lower frame base 42. It is screwed and fixed to the direction piece 41f.
In this way, it is not necessary to form a groove or a screw hole in the attachment portion 41, and it is possible to eliminate the long hole of the vertical plate 42b, thereby simplifying the shape.

As shown in FIG. 6, the vertical watertight material 62 provided on the vertical base material 50 described above includes an attachment base 70 and a first seal piece 71 provided integrally on one side in the width direction of the front surface 70 a of the attachment base 70. The second seal piece 72 is provided integrally on the other side in the width direction of the front surface 70 a of the mounting base 70, and the first seal piece 71 and the second seal piece 72 are circular toward the other side in the width direction of the mounting base 70. Curved in an arc shape.
The second seal piece 72 is longer than the first seal piece 71, the distal end portion 71a of the first seal piece 71 protrudes forward from the front surface 70a of the mounting base 70, and is substantially at the same position as the other side in the width direction. It is preferable that the distal end portion 72 a of the two seal pieces 72 protrudes laterally from the other side in the width direction of the mounting base 70 and is substantially at the same position as the front surface 70 a of the mounting base 70.
The vertical watertight material 62 is preferably extruded by a resin material.

  When the above-described vertical watertight material 62 is used, as shown in FIGS. 7A and 7B, the first seal portion 52 of the vertical base material 50 is formed with a dovetail groove 52a toward the indoor side, The mounting base 70 is fitted and installed in the dovetail groove 52a, the first and second seal pieces 71 and 72 are directed toward the indoor side, the first seal piece 71 is on the inner side, and the second seal piece 72 is on the outer side. The frame 13 is in contact with the outdoor side portion 13b.

In this way, it is the same as the above-mentioned sponge, but is particularly effective for the surface drop of the outdoor side portion 13b of the existing vertical frame 13.
That is, the existing vertical frame 13 shown in FIG. 7A has no surface drop, and the second fin piece 72 reliably contacts and seals the outdoor side portion 13b. In the case where the outdoor side portion 13b has a chamfered shape like the existing vertical frame 13 shown in FIG. 7B and has an outdoor side surface 13c and an outdoor inwardly facing piece 13d, the first fin piece 71 is an outdoor inwardly facing piece 13d. The second fin piece 72 contacts and seals the outdoor side surface 13c.
In addition, this vertical watertight material 62 can be used also for other sash portions, and can also be used in the horizontal direction.

It is a longitudinal cross-sectional view of a renovated sash. It is a cross-sectional view of a renovated sash. It is a disassembled perspective view of an existing lower frame, an attaching part, and a lower frame base. It is explanatory drawing which shows other embodiment of an attaching part. It is explanatory drawing which shows other embodiment of an attaching part. It is sectional drawing which shows other embodiment of a vertical frame watertight material. It is sectional drawing of the vertical frame part of the state which attached the vertical frame watertight material.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Building frame, 2 ... Sash attachment opening part, 10 ... Existing sash frame, 11 ... Existing upper frame, 12 ... Existing lower frame, 13 ... Existing vertical frame, 14 ... Lower rail, 14a ... Rising piece, 14b ... Shoji guide 15: fixing screw, 20 ... newly installed sash frame, 21 ... newly installed upper frame, 22 ... newly installed lower frame, 23 ... newly installed vertical frame, 40 ... lower base material, 41 ... mounting portion, 41a ... horizontal piece, 41b ... Downward piece 41c Screw screw piece 42 ... Lower frame base 43 ... Mounting frame lower frame.

Claims (4)

In the renovated sash with the lower base material attached to the existing lower frame of the existing sash frame remaining in the building frame, and the new lower frame of the new sash frame attached to the lower base material,
The lower base material has a mounting portion, and the mounting portion is placed on the upper end surface of the lower rail of the existing lower frame, is in contact with the indoor side surface of the lower rail, and is closer to the outdoor side than the lower rail. The fixing screw is screwed in the indoor / outdoor direction, and the fastening force of the fixing screw acts on the outdoor side surface of the lower rail on which the mounting portion is placed, so that the indoor side surface and the outdoor side surface of the lower rail A remodeled sash that is mounted and sandwiched. The lower rail of the existing lower frame has a shoji guide part at the top of the rising piece,
The lower base material has a mounting portion, and the mounting portion has a lateral piece placed on the shoji guide portion, a downward piece in contact with the indoor side surface of the rising piece, and a screw threaded piece facing the outdoor side surface of the rising piece. And
The refurbished sash according to claim 1, wherein the rising piece is clamped by pressing the downward piece against the indoor side surface of the rising piece by using the fastening force of the fixing screw screwed to the screw screwing piece.   The refurbished sash according to claim 2, wherein the lower base material includes an attachment frame lower frame for attaching a new lower frame, and the position of the attachment frame lower frame can be adjusted in the vertical direction and the indoor outside direction with respect to the attachment portion. The lower base material includes an attachment portion, a lower frame base attached to the attachment portion so that the position can be adjusted in the vertical direction, and an attachment frame lower frame attached to the lower frame base so that the position can be adjusted in the indoor exterior direction.
The refurbished sash according to claim 3, wherein the lower frame base is fixed to an existing lower frame, and a new lower frame is attached to the attachment frame lower frame.

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