JP5269689B2 - sash - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sash the inner peripheral corner of vertical and lower frames of which can be easily cleaned, and to which a corner piece can be firmly fixed without using screws. <P>SOLUTION: The sash includes the vertical frames 1a, 1b and lower frame 2 and the corner piece 4 attached to the inner peripheral corner 3 of the vertical and lower frames, wherein the corner piece 4 comprises a body 5 and a locking claw 6. The body 5 connects the inner peripheral surface 7 of the vertical frames and the upper surface 8 of the lower frame on the inclined plane 9. The locking claw 6 is provided below the body projecting downward, to be locked to the notch 10 formed at the end of the lower frame from both sides and the end of the lower frame 2 is brought into contact with the inner peripheral surface 7 of the vertical frames to fix the corner piece 4. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a sash that is easy to clean an inner peripheral corner portion of a collar frame and a lower frame.

In conventional sashes, dirt accumulates at the inner corners of the fence frame and lower frame and mold is generated, resulting in a dirty state. Even if a broom or a rag is used, the dust cannot be easily removed. It was.
Patent Document 1 discloses that a corner piece (block piece 30) whose upper surface is a concave arcuate inclined surface is attached to the inner peripheral corner portions of the collar frame and the lower frame. This corner piece is attached to the frame with screws or attached to the frame and the lower frame with double-sided tape.
However, when mounting with a screw, the head of the screw is exposed to the inner periphery of the sash frame, the appearance is bad, and dust or the like is stuck around the screw insertion hole or around the screw and becomes dirty. Further, the screws may loosen and the corner pieces may be rattled. When the corner piece is attached to the saddle frame and the lower frame with a double-sided tape, the adhesive strength of the double-sided tape may be reduced by dew condensation water generated on the inner periphery of the sash frame, and the corner piece may be removed.

Utility Model Registration No. 3141578

  An object of the present invention is to provide a sash that can easily clean the inner peripheral corner portion of the collar frame and the lower frame and can firmly fix the corner piece without using screws.

In order to achieve the above object, a sash according to the first aspect of the present invention comprises a frame and a lower frame, and a corner piece attached to an inner peripheral corner of the frame and the lower frame, the corner piece being a main body. The main body part is an inclined surface connecting the inner peripheral surface of the collar frame and the upper surface of the lower frame, and has a groove for fitting the rail of the upper surface of the lower frame to the lower surface of the main body part, The locking part is provided to protrude from the main body part, and when the hook frame and the lower frame are assembled, the locking part of the corner piece is locked to the locked part that protrudes from the inner peripheral surface of the hook frame , The corner piece is fixed by being sandwiched between the locked portion of the collar frame and the upper surface of the lower frame by bringing the lower frame end portion into contact with the inner circumferential surface of the collar frame .

The sash according to the invention of claim 2 includes a collar frame and a lower frame, and a corner piece attached to an inner peripheral corner portion of the collar frame and the lower frame, and the corner piece includes a main body portion and a locking portion, The main body part connects the inner peripheral surface of the flange frame and the upper surface of the lower frame with an inclined surface, and has a groove for fitting the rail on the upper surface of the lower frame on the lower surface of the main body part. A locking claw that protrudes from the bottom of the frame, and when the frame frame and the lower frame are assembled, the locking part of the corner piece is locked to the notch formed at the end of the lower frame, The corner piece is fixed by sandwiching the lower frame between the main body portion and the locking portion by bringing the end portion into contact with each other.

In the sash according to the first aspect of the present invention, a corner piece is attached to the inner peripheral corner portion of the collar frame and the lower frame, and the main body portion of the corner piece has an inclined surface between the inner peripheral surface of the collar frame and the upper surface of the lower frame. Since they are connected, dust does not collect at the inner peripheral corners of the collar frame and the lower frame, and can be easily cleaned with a rag or the like. In addition, the corner piece has a locking portion that protrudes from the main body, and is engaged with a locked portion that is formed by protruding the locking portion on the inner peripheral surface of the frame when the frame and the lower frame are assembled. By stopping and bringing the end of the lower frame into contact with the inner peripheral surface of the frame, it is sandwiched and fixed between the locked part of the frame and the upper surface of the lower frame, so it can be firmly fixed without using screws. . In addition, since the lower surface of the corner piece main body has a groove for fitting the rail on the upper surface of the lower frame, the corner piece can be attached without cutting out the rail on the upper surface of the lower frame.

In the sash according to the second aspect of the present invention, the locking claw is provided to protrude below the main body portion of the corner piece, and the notch portion for locking the locking claw is provided at the lower frame end portion. The corner piece can be easily assembled to the lower frame side by engaging the locking claw with the notch in the lower frame end from the side when assembling and the lower frame end abutting against the inner peripheral surface of the frame Ri to the no longer escape from the engaging claw notch is, and because it sandwiched the lower frame in the main body portion and the locking portion, can be firmly fixed without rattling the corner piece. In addition, since the lower surface of the corner piece main body has a groove for fitting the rail on the upper surface of the lower frame, the corner piece can be attached without cutting out the rail on the upper surface of the lower frame.

It is a perspective view which shows the corner part of a collar frame and a lower frame. It is a disassembled perspective view of the part. It is AA sectional drawing of FIG. It is an outdoor front view of the sliding sash which concerns on one Embodiment of this invention. It is a longitudinal cross-sectional view of the sash. It is a cross-sectional view of the sash. (A) is a top view of a corner piece, (b) is a side view of a corner piece, (c) is a front view of a corner piece. It is a disassembled perspective view of the corner part of the collar frame and lower frame which shows other embodiment of a corner piece. It is a longitudinal cross-sectional view of the corner part of the collar frame and lower frame which shows the attachment state of the corner piece of FIG. It is a disassembled perspective view of the corner part of the collar frame and lower frame which shows another embodiment of a corner piece. It is a longitudinal cross-sectional view of the corner part of the collar frame and lower frame which shows the attachment state of the corner piece of FIG. It is a longitudinal cross-sectional view of the corner part of the collar frame and lower frame which shows another embodiment of a corner piece.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 4 is an outdoor front view of a sliding sash according to an embodiment of the present invention, FIG. 5 is a longitudinal sectional view of the sash, and FIG. 6 is a transverse sectional view of the sash. 1 is a perspective view showing a corner portion of the sash frame and the lower frame of the sash, FIG. 2 is an exploded perspective view of this portion, and FIG. 3 is a cross-sectional view taken along line AA of FIG.
As shown in FIGS. 4 to 6, the sash includes a sash frame 11 attached to the housing opening, an outer frame 12 a and an inner frame 12 b, which can be freely opened and closed in the sash frame 11, and the sash frame 11. The screen door 13 is provided on the outdoor side of the inner screen 12a so as to be movable in the left-right direction.
The sash frame 11 is configured by a rectangular frame of an upper frame 14 and a lower frame 2 formed of an aluminum alloy extruded profile, and left and right flange frames 1a and 1b. The housing fixing piece 15 is provided at the intermediate position in the indoor / outdoor direction over four circumferences, and the housing fixing piece 15 is fixed by being brought into contact with the housing 16 and screwed. Moreover, the sash frame 11 has the angle part 17 over the circumference on the indoor side.
The outer shoji 12a is composed of an upper rod 18a, a lower rod 19a, a door rod 20a and a door bottom rod 21a formed of an extruded shape of an aluminum alloy in a rectangular frame, and a glass panel 22 placed in the frame. It is. Similarly, the inner shoji 12b has a rectangular frame formed of an upper rod 18b, a lower rod 19b, a door tip rod 20b, and a door bottom rod 21b formed of an extruded shape of an aluminum alloy, and a glass panel 22 is placed in the frame. It is configured. The outer shoji 12a and the inner shoji 12b have door wheels 23a and 23b at the lower portions of the left and right ends of the lower arm 19a and 19b. In addition, the external obstacle 12a and the internal obstacle 12b are locked by a crescent 24.

As shown in FIG. 5, the upper frame 14 has a hanging piece 25 at the outdoor side end portion, and the upper rail 26 a for the outer sward 12 a and the upper rail 26 b for the inner limb 12 b are provided at intervals on the indoor side. Has drooping downward.
As shown in FIG. 6, the right collar frame 1a as viewed from the outdoor side is provided with an engagement portion 27a with the door collar 20a of the outer screen 12a raised on the inner peripheral surface 7 in a substantially trapezoidal cross section. It is. The left heel frame 1b as viewed from the outdoor side is provided with an engagement portion 27b with the door tip ridge 20b of the inner shroud 12b protruding on the inner peripheral surface 7 in a substantially trapezoidal cross section.

As shown in FIG. 5, the lower frame 2 is formed in a cylindrical shape having a hollow portion. On the upper surface 8 of the lower frame 2, a rail 28 a for the outer obstacle 12 a and a rail 28 b for the inner child 12 b are slightly raised (about 2 mm) from the lower frame upper surface 8 with an arc-shaped round cross-sectional shape. The upper surface 8 of the lower frame is substantially flat. One guide block 29a, 29b is mounted on each rail 28a, 28b. As shown in FIGS. 4 and 6, the guide blocks 29a and 29b are attached to the door block 23b on the door butt side of the door 12a of the door 12a in the closed state. The guide block 29b on the rail 28b for the inner limb 12b is attached at a position adjacent to the front side of the door wheel 23b on the door butt side of the closed inner limb 12b. is there. As shown in FIG. 6, the guide blocks 29a and 29b are formed in a block shape in which the outdoor side surface and the indoor side surface swell in an arc shape in plan view, and are fixed on the rails 28a and 28b with two screws from above. It is.
As shown in FIG. 5, a screen door rail 30 is provided at the outdoor end on the upper surface side of the lower frame 2. The screen door rail 30 has a downward L-shaped cross section having a door running portion 31 that projects continuously to the outdoor side of the flat lower frame upper surface 8, and a hanging portion 32 provided at the outdoor side end of the door running portion 31. Is formed.
In addition, the lower frame 2 has tapping holes 34 into which the screws 33 for connecting to the collar frames 1a and 1b are inserted in three locations.

As shown in FIGS. 1 and 6, a corner piece 4 is attached to the inner peripheral corner portion 3 of the collar frames 1 a and 1 b and the lower frame 2. The corner piece 4 is integrally molded with a hard resin, and as shown in FIG. 3, is arranged in close contact with a 90 ° corner formed by the inner peripheral surface 7 of the saddle frame and the upper surface 8 of the lower frame. It has a main body part 5 and a locking claw 6 provided so as to protrude below the main body part 5.
The main body 5 is an elongated rod having a substantially right-angled triangular cross-section with a height and a width of 10 mm, and reaches the angle portion 17 from the inside of the outdoor-side finding piece 35 of the frame 1a, 1b as shown in FIG. As shown in FIG. 3, the upper surface is a concave curved inclined surface 9 having a radius of 15 mm (R15), and the inclined surface 9 includes an inner peripheral surface 7 of the saddle frame and an upper surface 8 of the lower frame. Is connected smoothly. As shown in FIG. 7B, grooves 36a and 36b are formed on the lower surface of the main body 5 so that the rails 28a for the external obstacle 12a and the rails 28b for the internal obstacle 12b are fitted. The main body 5 is provided with a protrusion 37 that is continuous with the engaging portions 27a and 27b of the collar frames 1a and 1b.
Two locking claws 6 are formed on the lower surface of the main body 5 at intervals in the indoor / outdoor direction, and the shape of the locking claws 6 is a hook-like shape facing the center side in the longitudinal direction of the lower frame 2. . As shown in FIG. 3, the locking claw 6 has a side surface of the main body portion 5 corresponding to the thickness of the sealing material 38 attached to the inner peripheral surface 7 of the flange frames 1 a and 1 b with which the end portions of the lower frame 2 abut. The lower frame 2 is provided at a position shifted toward the center in the longitudinal direction. Therefore, there is no gap between the main body 5 and the inner peripheral surface 7 of the collar frame 1a, 1b, and the gap between the inner peripheral surface 7 of the collar frame 1a, 1b and the end of the lower frame 2 is the sealing material 38. It is sealed by.

  Next, how to install the corner piece 4 will be described. As shown in FIG. 2, the collar frames 1 a and 1 b are cut out at the lower end of the outdoor side finding piece 35, the engaging portions 27 a and 27 b and the angle portion 17, and project the end of the lower frame 2 to the inner peripheral surface 7. An abutting portion to be hit is formed, and a sealing material 38 made of a sheet having elasticity such as foam rubber is stuck to the abutting portion. In the lower frame 2, a notch 10 is formed at the end of the upper surface 8 in the longitudinal direction so that the locking claw 6 of the corner piece 4 is locked. The corner piece 4 is attached to the upper surface 8 of the lower frame by locking the locking claw 6 to the notch 10 of the lower frame 2 from the side. Thereafter, the end of the lower frame 2 is abutted against the inner peripheral surface 7 of the flange frame to which the sealing material 38 is adhered, and the screws 33 are inserted into the tapping holes 34 of the lower frame 2 through the flange frames 1a and 1b. The saddle frames 1a and 1b and the lower frame 2 are connected and fixed. Thus, when connecting the collar frames 1a, 1b and the lower frame 2, the locking claw 6 is locked to the notch 10 of the lower frame 2 from the side to attach the corner piece 4, and then the lower frame 2 Since the main body portion 5 is pressed against the inner peripheral surface 7 of the heel frame by the end portion being brought into contact with the inner peripheral surface 7 of the heel frame, the locking claw 6 cannot be removed. 2 is firmly fixed to the inner peripheral corner 3 and cannot be removed. The cutout portion 10 of the lower frame 2 is hidden behind the corner piece body portion 5 and cannot be seen.

As shown in FIG. 5, the upper rods 18a and 18b have groove portions 39a and 39b opened upward, and are guided by inserting the upper rails 26a and 26b of the upper frame 14 into the groove portions 39a and 39b. The outdoor side surfaces and the indoor side surfaces of the upper rods 18a and 18b are flat surfaces having no grooves or steps.
As shown in FIG. 6, the door rods 20a and 20b are formed with recesses 40a and 40b on the outer peripheral side surfaces, and the recesses 40a and 40b are engaged with the engaging portions 27a and 27b of the frame frames 1a and 1b when the shoji is closed. Thus, movement in the indoor and outdoor directions is regulated. A tight material 41 is attached to the outdoor side of the recesses 40a and 40b, and the tight material 41 is in contact with the slopes on the outdoor side of the engaging portions 27a and 27b. The outdoor side surface and the indoor side surface of the door rods 20a and 20b are formed as flat surfaces having no grooves or steps, and an embedded handle 42 is attached to the indoor side surface.

  As shown in FIG. 5, the lower rods 19 a and 19 b are composed of two members: a lower rod main body 43 and an auxiliary material 44 attached to the lower portion of the lower rod main body 43. The lower heel main body 43 has an outdoor side surface and an indoor side surface formed in a flat surface having no grooves or steps, and has a groove opened downward on the lower surface, and an auxiliary material 44 is fitted in the groove. The auxiliary member 44 has a tight material holding groove on the outdoor side and the indoor side, and has a door wheel housing portion 46 provided to protrude upward and a guide groove 47 provided to protrude downward in the center in the indoor / outdoor direction. doing. In the tight material holding groove, tight materials 48a and 48b are mounted downward so as to sandwich the guide groove 47 from the outdoor side and the indoor side, and the tip portions of the tight materials 48a and 48b are bent outward to be flat upper surfaces of the lower frames. 8 abuts. The door pulleys 23a and 23b are attached to the door wheel housing portion 46, and the wheels 49 of the door wheels 23a and 23b are formed with shallow grooves that engage with the rails 28a and 28b on the outer peripheral surface. The guide grooves 47 pass through guide blocks 29a and 29b mounted on the rails 28a and 28b. The door carts 23a and 23b are provided so as to be adjustable in height, and the installation of the respective shojis 12a and 12b can be adjusted by adjusting the height of the door cart.

  The external shoji 12a and the internal shoji 12b can be built into the sash frame 11 in the same manner as a normal sash in the vertical direction from the indoor side or the outdoor side, and the wheels 49 of the door wheels 23a and 23b are attached to the lower frame 2. At the same time, the guide blocks 29a and 29b are inserted into the guide grooves 47 of the lower eyelid assisting member 44. As described above, the guide blocks 29a and 29b are inserted into the guide grooves 47 of the lower iron assisting member 44, thereby preventing the wheel wheels 49 of the door wheel 49 from being removed from the rails 28a and 28b. The outer shoji 12a and the inner shoji 12b can be opened by sliding to the front side where the doorwheel 23a on the door-end side collides with the guide blocks 29a and 29b.

As shown in FIGS. 4 to 6, the screen door 13 is constructed by forming a top frame 50, a bottom frame 51, and left and right frames 52 a, 52 b into a rectangular frame, and a net 53 extending within the frame. As shown in FIG. 5, the upper rod 50 has a groove portion 54 opened upward, and is guided by inserting the hanging piece 25 of the upper frame 14 into the groove portion 54.
Door wheels 55 are attached to the left and right ends of the lower rod 51. As shown in FIG. 5, the door wheel 55 is engaged with the wheel 56 that rolls on the flat door wheel traveling portion 31 of the screen door rail 30 of the lower frame 2 and the rear side of the screen door rail 30 bent downward. And a guide part 57 having a shape. Thus, the guide portion 57 is engaged with the back side of the screen door rail 30 so that the screen door 13 can be stably slid along the rail 30 even if the wheel 56 is not caught with the screen door rail 30. In addition, the guide portion 57 can prevent the screen door 13 from being lifted and detached from the rail 30. The guide portion 57 is provided so as to be movable in the vertical direction. When the screen door 13 is attached or detached, the guide portion 57 is lowered so as not to be caught by the hanging portion 32 of the screen door rail 30.

This sash is formed as described above, the corner piece 4 is attached to the inner peripheral corner portion 3 of the saddle frames 1a and 1b and the lower frame 2, and the main body portion 5 of the corner piece 4 is the inner peripheral surface of the saddle frame. 7 and the upper surface 8 of the lower frame are connected to each other by a concave curved inclined surface 9, so that dust does not collect in the inner peripheral corner portion 3 between the collar frames 1a, 1b and the lower frame 2, and it can be easily done with a rag or the like. I can clean it. Moreover, the corner piece 4 is fixed by locking the locking claw 6 from the side to the notch 10 formed at the end of the lower frame 2 and bringing the end of the lower frame 2 into contact with the inner peripheral surface 7 of the collar frame. It can be firmly fixed without using screws.
Further, the sash is formed such that the outer frame 12a and the rails 28a and 28b for the inner frame 12b of the lower frame 2 are slightly raised from the lower frame upper surface 8, and the screen door rail 30 is formed on the outdoor side of the lower frame upper surface 8. The upper surface 8 of the lower frame is made substantially flat and the rails and grooves protruding upward are eliminated, so that the lower frame 2 can be easily cleaned with a rag or the like. There is no accumulation of trash.
Further, in the conventional sash, the engagement portion with the door-end rod 20a, 20b is formed on the inner peripheral surface of the rod frame 1a, 1b in a fin shape protruding perpendicularly to the inner peripheral side. Since the corresponding engaging portions 27a and 27b are formed in a substantially trapezoidal cross section that protrudes from the inner peripheral surface 7 of the heel frame, the heel frames 1a and 1b are also easy to clean with a rag or the like. Furthermore, since the outdoor side surfaces and the indoor side surfaces of the inner and outer shojis 12a and 12b and the screen door 13 are flat surfaces having no grooves or steps, the hooks of the shoji 12a and 12b and the screen door 13 can be easily cleaned with a rag or the like. .

  In the closed state, the outer cover 12a and the inner cover 12b are guided by the upper rails 18a and 18b by the upper rails 26a and 26b of the upper frame 14 as shown in FIG. 5, and as shown in FIG. The engaging portions 27a, 27b and the recesses 40a, 40b of the door rods 20a, 20b are engaged, and further, the guide blocks 29a, 29b restrict the movement of the lower part on the door bottom side in the indoor / outdoor direction. Even if it is received, the shoji 12a and 12b are not detached from the sash frame 11. As shown in FIG. 5, the guide blocks 29a and 29b mounted on the rails 28a and 28b of the lower frame 2 pass through the guide grooves 47 below the lower rods 19a and 19b even when the shoji 12a and 12b are opened and closed and opened. Therefore, it is possible to reliably prevent the shoji 12a and 12b from coming off the sash frame 11. Further, the tight members 48a and 48b are disposed so as to sandwich the guide grooves 47 of the lower rods 19a and 19b from the outdoor side and the indoor side, and the tips of the tight members 48a and 48b are in contact with the upper surface 8 of the lower frame. Thus, it is possible to ensure water tightness and air tightness between the lower rods 19a, 19b and the lower frame 2.

8 and 9 show another embodiment of the corner piece 4. The corner piece 4 is provided with a protrusion 37 that is continuous with the engaging portion 27b of the collar frame 1b on the main body 5 and protrudes upward from the upper surface of the protruding portion 37 so as to be a hollow portion in the engaging portion 27b of the collar frame. A locking projection 59 is provided for fitting to 58. The corner piece 4 is arranged by inserting the locking projection 59 into the hollow portion 58 in the engaging portion 27b of the collar frame 1b from below when the collar frame 1b and the lower frame 2 are framed. When the end of 2 is abutted against the inner peripheral surface 7 of the flange frame to which the sealing material 38 is adhered, and the flange frame 1b and the lower frame 2 are fixed with the screws 33, the protrusion 37 of the corner piece 4 becomes the protrusion 37 of the flange frame 1b. The corner piece 4 is sandwiched between the lower surface of the engaging portion 27b and the upper surface 8 of the lower frame and the engaging projection 59 is fitted in the hollow portion 58 in the engaging portion 27b of the flange frame 1b. It is fixed to the inner peripheral corner 3 of the frame 1b and the lower frame 2.
As shown in FIG. 9, the sealing material 38 interposed between the inner peripheral surface 7 of the flange frame 2 and the end surface of the lower frame 2 extends upward from the upper surface 8 of the lower frame, and is formed on the lower side of the main body 5 of the corner piece 4. A recess 60 having a thickness of the sealing material 38 is formed, and an upper portion of the sealing material 38 enters the recess 60. Thus, the sealing performance of a corner part can be improved more by making the sealing material 38 approach to the main-body part 5 of the corner piece 4. FIG.

  10 and 11 show still another embodiment of the corner piece 4. The corner piece 4 has two locking projections 61, 61 provided on the lower surface of the main body 5 at intervals in the indoor / outdoor direction, and the lower frame upper surface 8 has a hole 62 into which the locking projections 61, 61 are inserted. , 62 are provided. Even in such a configuration, the corner piece 4 has the protrusion 37 sandwiched between the lower surface of the engaging portion 27b of the collar frame 1b and the lower frame upper surface 8, and the locking projections 61 and 61 are formed on the lower frame upper surface 8. By fitting into the holes 62, 62, the inner peripheral corner portion 3 of the collar frame 1b and the lower frame 2 is fixed.

The corner piece 4 is not limited to the inclined surface 9 of the main body 5 having a concave curved surface, and as shown in FIG. 12A, the inclined surface 9 is inclined at a certain angle (for example, 45 °) As shown in FIG. 12 (b), the inclined surface 9 is formed in a concave shape with the inclined surfaces 9a, 9b, 9c having different angles, as shown in FIG. 12 (c). May be constructed by combining the inclined surfaces 9d, 9e and the concave curved surface 9f.
Moreover, the corner piece 4 can also be provided so that a latching | locking part may be latched to both the collar frames 1a and 1b and the lower frame 2, respectively.

  The present invention is not limited to the embodiments described above. The lower frame 2 has a rail for the shojis 12a and 12b and the screen door 13 protruding from the lower frame upper surface 8, and a lower frame of a conventional non-rail sash (the rail is from the upper surface of the lower frame as in the present embodiment). It may be formed in a slightly raised shape, and may be formed with a guide groove into which a hanging piece that hangs down from the lower arm along the rail is formed. The engaging portions 27a and 27b of the flange frames 1a and 1b may be in the shape of fins projecting to the inner peripheral side like a normal sash, and the corner piece 4 is formed on the outside and the chamber of the fin-shaped engaging portions. You may divide into the inside. The shape of the locking claw 6 of the corner piece 4 is arbitrary, for example, it may be a hook shape facing the outdoor side or the indoor side, and only one locking claw 6 may be provided. The present invention is not limited to the sliding sash, but can be applied to any type of window sash such as a raising / lowering window, a rotating window, and a sliding window. Further, the present invention can be applied to a door sash as well as a window sash.

1a, 1b 竪 frame 2 lower frame 3 inner peripheral corner 4 corner piece 5 body 6 locking claw (locking portion)
7 Inner circumferential surface of frame 8 Upper surface of lower frame 9 Inclined surface 10 Notch (locked portion)
38 Sealing material 58 Hollow part (locked part)
59 Locking protrusion (locking part)
61 Locking protrusion (Locking part)
62 hole (locked part)

Claims (2)

A frame piece and a lower frame, and corner pieces attached to inner corner portions of the frame frame and the lower frame. The corner piece includes a main body portion and a locking portion. The upper surface of the frame is connected to the upper surface by an inclined surface. The lower surface of the main body has a groove for fitting the rail of the upper surface of the lower frame, and the locking portion protrudes from the main body. the locking portion of the corner piece when Crossed bets engaged with an engaged portion formed to protrude on the inner peripheral surface of the vertical frame, by abutting the lower frame end to vertical frame inner peripheral surface, vertical A sash characterized in that a corner piece is fixed by being sandwiched between a locked portion of a frame and an upper surface of a lower frame . A frame piece and a lower frame, and corner pieces attached to inner corner portions of the frame frame and the lower frame. The corner piece includes a main body portion and a locking portion. The upper surface of the frame is connected with an inclined surface, and the lower surface of the main body has a groove for fitting the rail on the upper surface of the lower frame, and the engaging portion is an engaging claw that protrudes below the main body. , locked to cutout portion formed in the lower frame end and a locking portion of the corner piece when Crossed and Tatewaku the lower frame, by abutting the lower frame end to vertical frame inner circumferential surface, the main body A sash comprising a corner piece fixed by sandwiching a lower frame between a portion and a locking portion .

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