JP3088945B2 - Fabric upholstery frame - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fabric covering frame for covering a canvas such as a painting canvas.

[0002]

2. Description of the Related Art Conventionally, after a joint is inserted between a pair of connected members having a hollow connecting portion, the hollow connecting portion is pressed by a press to fix the joint, or a screw is passed through the connected member and the joint. A hole was made and the connected member was fixed with a screw.

[0003]

However, there is a disadvantage that the connecting operation for connecting the members to be connected by the joint becomes complicated. Accordingly, an object of the present invention is to provide a fabric upholstery frame capable of simplifying a connecting operation.

[0004]

According to a first aspect of the present invention, there is provided a fabric upholstery frame having a connecting hollow portion therein, a fabric upholstery ridge at a front surface, and a concave groove extending from an outer surface to a back surface. Then, a frame piece having irregularities which are frictionally locked on the inner surface of the concave groove to form each side of the fabric upholstery frame, and an extruded hollow body having a substantially L-shaped cross section can be pressed into the connecting hollow portion. And a joint formed by cutting into a length to insert both ends into the connecting hollow portion.

According to the first aspect of the present invention, one end of the joint of the hollow body is press-fitted into the connecting hollow portion of one frame piece, and the other end of the joint is connected to the other frame. When pressed into the connecting hollow portion of the pieces, the frame pieces are connected by a joint. in this case,
Since the joint is formed by cutting the extruded hollow body into a length that can be pressed into the connection hollow portion, when the end of the joint is press-fitted into the connection hollow portion, there is a slight Since elasticity can be obtained, it is easier to press-fit compared to a joint without a hollow portion, and furthermore, due to its elasticity, it can be tightly fitted to the connecting hollow portion without looseness, and a strong coupling force can be obtained. The connecting work of the frame pieces can be simplified. Further, since the joint is formed by cutting the extruded product, it is easy to manufacture.

[0006] In addition, a fixing tool can be fitted into the concave groove to hold and fix the fabric on the back surface. According to a second aspect of the present invention, in the first aspect of the present invention, in the first aspect, the edge of the fabric is folded back to a position lower than the concave groove on the back surface of the frame piece, which is at least an upper frame of the fabric upholstery frame, and the hook is attached to the hook. It is a folded and hooked piece that also serves as a hook. According to the cloth stretching frame of the second aspect, in addition to the effect of the first aspect, the edge of the cloth stretched and fixed to the concave groove by the fixing tool is folded back and hooked, and a holding member such as a clip of another member. The appearance is improved by fixing to the folded and hooking piece. Further, by hanging the folded and hooking piece on a hook provided on the wall surface, the fabric upholstery frame can be conveniently hung on the wall surface.

According to a third aspect of the present invention, in the fabric upholstery frame according to the first aspect, a projecting portion is formed on the back surface of the frame piece so as to form a slope continuous with the outer surface of the frame piece. The recessed groove is formed in the groove, and a ridge for hitting the pliers on the canvas is formed on the opposite side of the groove from the outer surface. According to the cloth upholstery of the third aspect, in addition to the effect of the first aspect, by forming the concave groove on the slope, the fixture becomes difficult to be seen from the front side, and the appearance is improved. In addition, the pliers for supporting the pliers are supported by the ridges for contacting the pliers, so that the fabric can be easily and sufficiently stretched on the slope by leverage, and the ridges for supporting the pliers are supported. Since it protrudes linearly and its position is easy to understand, the work of attaching the fabric is facilitated, and the fixture can be easily fixed to the concave groove while the fabric is being attached.

According to a fourth aspect of the present invention, in the fabric upholstery frame according to the third aspect, the ridge has a mounting hole for a hanging tool.
According to the fabric upholstery of the fourth aspect, in addition to the effect of the third aspect, the fabric upholstery frame can be easily hung on a wall surface or the like by attaching a hanger to the hanger mounting hole.

According to a fifth aspect of the present invention, in the fourth aspect of the present invention, in the fourth aspect of the present invention, the sloping surface on the outer side of the concave groove has a ridge portion for catching the fabric. According to the cloth upholstery of the fifth aspect, in addition to the effect of the fourth aspect, the cloth is hooked on the ridge by pressing the cloth with the head of the fixture near the cloth ridge. Since it is possible, the fabric is less likely to be slackened, and the presence of the ridge makes it more difficult for the head to be seen from the front side of the frame piece.

According to a sixth aspect of the present invention, in the fabric upholstery frame according to the third aspect, the frame piece projects in a direction in which the frame piece is inward of the fabric upholstery frame. A reinforcing bar having a groove for fixing a reinforcing bar on an inner side surface as the fabric upholstery frame, a reinforcing bar having a screw hole aligned with the connection hole on a side surface of an end portion, and the groove for fixing a reinforcing bar is provided. And a joint which is press-fitted into the side groove and the fixing groove.

According to the sixth aspect of the present invention, in addition to the effect of the third aspect, the reinforcing bar can be easily and reliably mounted.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A cloth upholstery according to a first embodiment of the present invention will be described with reference to FIGS. That is, the cloth upholstery frame has a plurality of frame pieces 1 a to 1 d and the joint 2. The plurality of frame pieces 1a to 1d have the connecting hollow portions 8 on the opposing surfaces, and as shown in FIG. 2, the frame piece 1a to be an aluminum upper frame and the frame piece 1 to be a lower frame.
c and frame pieces 1b and 1d serving as side frames, and the opposing surfaces 24 at both ends are formed as inclined surfaces of about 45 degrees so that adjacent frame pieces 1a to 1d are connected at right angles.

Each of the frame pieces 1a to 1d is formed by extrusion molding and has the following structure. That is, the outer surface of the front surface 3 has a ridge portion 4 for upholstering, the outer surface 7 has a concave groove 6 in a range from the rear surface 5, and the inner surface of the concave groove 6 has a leg 10 And has crushable irregularities 11 frictionally locked to the surface. The rear surface 5 has a projection 28 protruding in a substantially V-shaped cross section so as to form a slope 27 continuous with the outer surface 7 of the frame pieces 1a to 1d.
The groove 6 is formed on the inclined surface 27. Also, a ridge 23 for hitting the pliers 31 is formed on the opposite side of the outer surface 7 of the back surface 5, that is, on the inner surface 25 side as a fabric lining frame. (Not shown). Further, the slope 27 on the outer surface 7 side of the concave groove 6 has a ridge 20 for catching the fabric. The width of the connecting hollow portion 8 having a rectangular cross section for fitting the joint 2 is formed substantially equal to the total width of the frame 1a at the position on the inner side surface 25 side inside the frame 1a minus the thickness. doing. Also, on the two surfaces facing the outer surface 7 and the inner surface 25 of the inner peripheral surface of the connecting hollow portion 8, mountain-shaped irregularities 12 which are arranged in the circumferential direction and whose tops are crushable are formed. 22 is a concave stripe.

The joint 2 is formed by cutting the extruded hollow body 13 into a length that can be press-fitted into the connecting hollow portion 8, and both ends in the cutting direction are inserted into the connecting hollow portion 8. The joint 2 according to the embodiment has a substantially L-shape formed of, for example, a metal such as aluminum, and has a width such that the width thereof can be press-fitted into the entire width of the connecting hollow portion 8. It has irregularities 14 arranged in the direction of the tip, and the irregularities 14 are formed such that the tops can be crushed. The joint 2 is manufactured by simply extruding a hollow body 13 having an L-shaped cross section and cutting it into a predetermined length in the longitudinal direction. Further, in the embodiment, the reinforcing member 16 is provided at a bent portion in the hollow portion 26 of the joint 2, and both ends 2 a and 2 b are inclined in a direction substantially perpendicular to the opposing surface 24 and are flush with each other. .

When assembling the fabric upholstery frame 1, the four joints 2 are interposed between the frame pieces 1a to 1d to interpose the frame pieces 1a to 1d.
Assemble as a whole by tapping 1d.
At this time, the contact area is reduced due to the irregularities 12 and 14, so that the joint 2 is easily press-fitted into the connecting hollow portion 8, and the joint 2 is press-fitted into the connecting hollow portion 8 so that the unevenness 1 is reduced.
The bonding force can be ensured by crushing the tops of 2,14.

The fixture 9 is for fixing a fabric 30 such as a canvas, which is pressed into the concave groove 6 and stretched on the surface of the fabric upholstery frame. The fixing device 9 includes a leg portion 10 that pierces through the fabric 30 stretched on the frame piece 1a or the like and punches into the concave groove 6 to fix it by press-fitting.
It has a head 19 for pressing the fabric 30 against the surfaces of the frame pieces 1a to 1d. Before press-fitting into the groove 6 with the fixing tool 9, first, the frame 1
The cloth 30 is put on the front surface 3 of the cloth upholstery frame formed by connecting the a to 1d by the joint 2, and the peripheral edge of the cloth 30 is frame pieces 1a to 1d.
1d, the supporting projection 32 of the pliers 31 is brought into contact with the ridge 23, and the handle 31a is moved in the direction of the arrow.
Is pulled along the slope 27. In this state, the leg 10 of the fixture 9 is driven into the concave groove 6 to break through the fabric 30, and the head 19 is used to connect the fabric 30 to the back surface 5 of the frame pieces 1 a to 1 d.
And the fabric 30 is pressed against the ridges 20, so that the fabric 30 is pulled flat toward the periphery and is supported by the upholstery ridges 4 so that the fabric is stretched flat. Further, since the unevenness 11 is formed on the inner side surface of the concave groove 6, it is easy to frictionally engage the leg 10 of the fixing tool 9 only by press-fitting the fixing tool 9. The material of the fixing device 9 is preferably softer than the fabric upholstery frame 1. For example, when the material is harder than the frame pieces 1a to 1d such as iron, the protrusions of the unevenness 11 may be crushed and locked.

In FIG. 2, reference numeral 21 denotes a reinforcing bar. FIG.
In the figure, reference numeral 33 denotes a hanger screwed into a hanger mounting hole formed in the protruding ridge portion 23, through which a cloth or the like can be hung on a wall surface or the like through a string or the like. 34 is the reinforcing bar 21
It is a brace to attach the end of. In addition, the fixing tool 9 is not limited to the above-described configuration, and may be, for example, a rod-shaped elastic body, and this is pressed into the concave groove 6 to fix the fabric 30.

According to this embodiment, one end 2a of the joint 2 in the cutting direction of the hollow body 13 is pressed into the connecting hollow portion 8 of the frame piece 1a, and the other end 2b of the joint 2 is connected to the frame piece 1b. When pressed into the connection hollow portion, the frame pieces 1 a and 1 b are connected by the joint 2. In this case, the joint 2 is an extruded hollow body 1
3 is formed by cutting the joint 2 into a length that can be press-fitted into the connecting hollow portion 8. Therefore, when the one end 2 a of the joint 2 is press-fitted into the connecting hollow portion 8, some elasticity is provided by the hollow portion 26 of the joint 2. As a result, it is easy to press-fit compared to a joint without the hollow portion 26, and furthermore, the elasticity of the joint makes it possible to tightly fit the connecting hollow portion 8 without rattling, thereby obtaining a strong coupling force. In addition, since the mountain-shaped irregularities 12 and 14 mesh with each other in a crushed state, a strong bonding force can be obtained. For this reason, the connecting work of the frame pieces 1a to 1d can be simplified.

The connecting hollow portion 8 has a rectangular cross section, has irregularities 12 arranged in the circumferential direction on the inner peripheral surface thereof, and the joint 2 has a substantially L-shape. Because of having the unevenness 14 arranged side by side, the frame 1 together with the joint 2
a and the like can be easily produced by extrusion molding.
Also, the joint 2 has a reinforcing member 16 for supporting the hollow portion 26 in the hollow portion 26.
Therefore, the strength of the joint 2 can be increased, and the thickness of the joint 2 can be reduced.

Further, a frame piece 1 forming each side of the fabric upholstery frame
The opposing surfaces 24 at both ends are inclined at about 45 degrees so that a to 1d are connected at a right angle, and the joint 2 has the opposing surfaces 24 at both ends 2a and 2b.
Since the surface of the hollow body 13 corresponding to both ends 2a and 2b of the joint 2 is flush with each other because it is inclined in a direction substantially perpendicular to and flush with the support surface, this surface is supported by a support surface. Thereby, the cutting operation for cutting the hollow body 13 can be stably performed, and the operation is safe and easy. Also, both ends 2a of the joint 2
2b can be easily pressed into the connection hollow portion 8.

The legs 19 of the fixture 9 are frictionally locked to the irregularities 11 in the concave groove 6 to be prevented from being pulled out, and the fabric 30 can be pressed and fixed by the head 19 on the back surface 5.
Further, the protrusions 28 are formed so that the back surface 5 of the frame pieces 1a to 1d forms a slope 27 that is continuous with the outer surface 7 of the frame pieces 1a to 1d. Protrusions 3 on which canvas pliers 31 abut on the side opposite to side 7
Since the groove 1b is formed, by forming the concave groove 6 on the inclined surface 27, the fixture 9 becomes difficult to be seen from the front side, and the appearance is improved. In addition, the pliers 3 for the pliers
1 by supporting the support projection 32 of the fabric 30 by leverage.
Can be easily and sufficiently stretched on the inclined surface 27, and the ridges 23 on which the support projections 32 of the pliers 31 are supported are linearly projected. In addition, when the fabric 30 is stretched,
The fixing tool 9 can be easily fixed to the fixing member 9.

Further, since the ridge 23 has a hanging tool mounting hole, by attaching the hanging tool 33 to the hanging tool mounting hole, the fabric upholstery frame can be easily hung on a wall surface or the like.
Further, since the ridge 20 for catching the fabric is provided on the slope 27 on the outer surface 7 side of the concave groove 6, the ridge 20 for catching the fabric is provided.
By pressing the fabric 30 by the head 19 of the fixture 9 in the vicinity of the fixing member 9, the fabric 30 can be hooked on the ridge 20, so that the fabric 30 is less likely to be loosened, and the presence of the ridge 20 further enhances the fabric 30. The head 19 is frame pieces 1a to 1d
Is difficult to see from the front side of the camera.

Further, the width of the joint 2 is set so that the joint 2 can be press-fitted to the entire width of the connecting hollow portion 8 formed by subtracting the thickness from the entire width inside the frame pieces 1a to 1d. Therefore, it is easy to suppress rattling of the frame pieces 1a to 1d. In the present invention, it is sufficient that the mountain-shaped irregularities 12 and 14 are provided on at least one of the frame pieces 1 a to 1 d and the joint 2. Further, the unevenness 12 may be provided on the entire or a part of the inner peripheral surface of the frame 1a or the like, and the unevenness 14 of the joint 2 may be provided on the entire or a part of the surface.

FIG. 5 shows a modification of the first embodiment, in which an external force is applied to the frame pieces 1a and 1b as indicated by an arrow P in order to impart tension to the cloth 30, and a gap 4 is formed between the frame pieces 1a and 1b.
1 is formed, and a filler 40 is interposed to maintain the gap 41. FIGS. 6 to 10 show a fabric upholstery frame according to a second embodiment of the present invention. FIG. 6 shows a cross section of the frame piece 1a. The crosspiece 34 protrudes in a direction inward of the cloth upholstery frame.
In the inner side surface 25 as a fabric upholstery frame such as a, a reinforcing groove fixing groove 81 is provided. The groove 81 for fixing the reinforcing bar has unevenness 1 on the inner surface.
2 are formed. The frame pieces 1b to 1d have the same configuration. These frame pieces 1a to 1d are formed by extrusion molding. Other parts common to the first embodiment are denoted by the same reference numerals.

FIG. 7 shows a cross section of the reinforcing bar 21 and the connecting hole 8.
0 is provided on the side surface of the end portion, and side grooves 84 are provided on both sides to be aligned with the reinforcing groove 81. Further, the unevenness 12 is formed in the side groove 84. This reinforcing bar 21 is also formed by extrusion molding. 8 and 9 show a reinforcing bar joint 83 in which the unevenness 14 is formed in the longitudinal direction of the surface. The reinforcing bar joint 83 is also formed by extruding a strip-shaped body having an uneven surface and cutting the strip into a predetermined length.

FIG. 10 illustrates the attachment of the reinforcing bar 21. The ends of the reinforcing bar 21 are connected to the bar support 34 and the inner surface 25.
Relies, arrow to press the reinforcing桟用joint 83 in the width direction as L ₁ is pressed into groove 84, the reinforcing crosspieces fixing concave reinforcing桟用joint 83 is pressed in the longitudinal direction as indicated by the arrow L ₂ Press into groove 81. Next, a reinforcing bar 21 is fixed by passing a screw (not shown) through the aligned hole and screwing it into the screw hole. Therefore, the reinforcing bar 21 can be easily and reliably mounted. The other configurations and operational effects of the fabric upholstery frame are the same as those of the first embodiment.

FIG. 11 shows a fabric upholstery frame according to a third embodiment of the present invention. That is, in the first embodiment, the fabric tension frame is formed by folding the edge of the fabric 30 to a lower side than the concave groove 6 on the back surface of the frame pieces 1a to 1d and also serving as a hook to the hook. The hook 95 is extended. Others are the same as in the first embodiment. The edge of the cloth (not shown) is folded back on the folding and hooking piece 95, and a holding member (not shown) such as a U-shaped clip is put on the folding and hooking piece 95 to fix the edge of the cloth. When a hook such as a hook is attached to the wall surface, the folding and hooking piece 95 can be hooked on the hook to hook the cloth upholstery frame.

According to the third embodiment, the edge of the fabric 30 stretched and fixed to the concave groove 6 by the fixing tool 9 is turned back and turned to the hooking piece 95, and turned back by a holding member such as a clip of another member. The appearance is improved by fixing to the hook pieces 95. Further, by hooking the folded and hooking piece 95 on a hook provided on the wall surface, the fabric upholstery frame can be conveniently hung on the wall surface.

The folded and hooked pieces 95 may be provided only on the frame piece 1a serving as the upper frame. FIG. 12 shows a joint applied to a fabric upholstery frame according to a fourth embodiment of the present invention. That is, the joint 2 is applied to a large-sized cloth upholstery frame, and has a large number of reinforcing members 16a and 16b provided inside in the joint (FIG. 4) of the first embodiment.

The connecting tubular portion 36 is formed by a pair of reinforcing members 16a, and irregularities 37 are formed on the entire inner surface. Although the joint 98 between the ends of the reinforcing members 16a and 16b and the inner surface of the joint 2 has a curved surface, the curved surface may not be provided. The joint 2 is also achieved by cutting an extruded member to a predetermined length. The strength is increased by increasing the reinforcing members 16a and 16b,
It is possible to cope with a large-sized cloth upholstery frame.

FIG. 13 shows a fabric upholstery frame according to a fifth embodiment of the present invention. That is, in the fabric upholstery frame, in the first embodiment, a concave groove 6a is additionally provided on the front end side of the outer side surface 7 separately from the concave groove 6, and folded and hooked in the same manner as in the third embodiment. Piece 95 is provided, and the upholstery ridge 4 is a frame piece 1.
The end of "a" is formed in a folded shape, and further, a crosspiece 34a is extended to receive the entire end of the reinforcing bar 21.

A groove-like recess 7a is formed on the front end side of the outer surface 7 of the frame piece 1a, and a recess groove 6a is formed on the bottom surface of the recess 7a. The concave groove 6a is also formed with irregularities 11 on the inner surface similarly to the concave groove 6, and the side portion 7b of the concave 7a is not vertical but about 16
The angle of inclination is set to open outward at 0 degrees. According to this embodiment, by forming the concave groove 6a, the fabric can be saved, and the canvas fabric can be framed by the frame pieces 1a to 1a.
It is convenient to fold at the square corner of d. In this case, it is preferable to cover the outer periphery of the fabric upholstery frame with a frame.

Since the recess 7a is formed, no convex portion is formed on the outer surface 7 when the fabric is stopped by the concave groove 6. Others are the same as the first embodiment and the fifth embodiment. FIG. 14 shows a fabric upholstery frame according to a sixth embodiment of the present invention.
Shown in That is, in this joint, in the first embodiment (FIG. 4), the height of the peaks of the unevenness 14a at both ends of the unevenness 14 is formed, for example, about 0.2 mm lower than the other unevenness 14 portions. I have. Further, the pair of reinforcing members 16a is formed by forming the connecting tubular portion 36 into a circular cross section. A cylindrical joint can be press-fitted into the connecting cylinder 36.

According to this embodiment, since the peaks of the unevenness 14a are low, it is easy to press-fit the joint 2 when press-fitting into the connecting hollow portion 8 such as the frame piece 1a. Others are the same as those of the first embodiment. 15 and 16 show a fabric upholstery frame according to a seventh embodiment of the present invention. That is, in this embodiment, the frame 100 is attached to the fabric upholstery frame 1. 100a is a connecting hollow portion for press-fitting a joint having the configuration shown in FIG. 4, for example, 100b is unevenness provided on the inner surface thereof, 101 is a connecting piece extending to the inner peripheral side of the frame of the frame 100 and has a bolt insertion hole. Have. Reference numeral 102 denotes a plate-like connecting member formed of metal or the like, and has bolt insertion holes 103 at both ends as shown in FIG. One end of the connecting tool 102 is overlapped on the connecting piece 101, and the bolt 105 is inserted through the bolt insertion hole 103 and the bolt insertion hole via the washer 104,
The connection is made by tightening with a nut 106. A bolt 110 is inserted through a bolt insertion hole 103 at the other end of the coupling tool 102 via a washer 108, and tightened with a nut 107. Bolt 11
0 is passed through an adjusting tube 112 such as a rubber tube, and further through a bolt insertion hole formed in the crosspiece 34 of the fabric covering frame 1.
Furthermore, tighten with a nut 109 via a washer 111,
As a result, the fabric upholstery frame 1 is
00 is attached.

The assembling procedure is as follows. The connecting tool 102 is attached to the crosspiece 34 of the fabric upholstery frame 1 on which the fabric 30 is stretched with bolts 110, and the frame 100 in the temporarily assembled state where the joint is not completely inserted.
The connecting member 102 is inserted into the connecting piece 101 of the
Into the locking piece 100c of the frame 100,
After temporarily fixing the connecting piece 101 and the connecting tool 102 through the bolt 105, the frame 100 in the temporarily assembled state is knocked in and the joint is completely pressed into the connecting hollow portion 100a, and the frame 10 is
Complete 0. Next, the fabric 105 and the frame 100 are connected by tightening the bolts 105. In this case, the connector 102
For example, for a bolt 110 having a diameter of 3 mm, the inner diameter of the bolt
mm, it is easy to assemble if flexibility is provided between the coupling tool 102 and the bolt 110.

According to this embodiment, the edge of the fabric upholstery frame 1 is adjusted by the adjusting tube 112 such as a rubber tube.
It can be fixed without play by pressing against 0c.

[0037]

According to the first aspect of the present invention, the joint is formed by cutting the extruded hollow body into a length that can be press-fit into the connecting hollow portion. When press-fitting into the hollow part for connection, it is possible to obtain some elasticity by the hollow part of the joint, so that it is easier to press-fit compared to the joint without hollow part, and furthermore, the elasticity allows the hollow part for connection to be formed. A tight coupling can be achieved without looseness and a strong coupling force can be obtained, and the work of connecting the frame pieces can be simplified. Further, since the joint is formed by cutting the extruded product, it is easy to manufacture.

Further, the cloth can be pressed and fixed to the back by fitting the fixing tool into the concave groove. According to the cloth stretching frame of the second aspect, in addition to the effect of the first aspect, the edge of the cloth stretched and fixed to the concave groove by the fixing tool is folded back and hooked, and a holding member such as a clip of another member. The appearance is improved by fixing to the folded and hooking piece. Further, by hanging the folded and hooking piece on a hook provided on the wall surface, the fabric upholstery frame can be conveniently hung on the wall surface.

According to the third aspect of the present invention, in addition to the effect of the first aspect, by forming a concave groove on the slope, the fixture is difficult to be seen from the front side and the appearance is improved. In addition, the pliers for supporting the pliers are supported by the ridges for contacting the pliers, so that the fabric can be easily and sufficiently stretched on the slope by leverage, and the ridges for supporting the pliers are supported. Since it protrudes linearly and its position is easy to understand, the work of attaching the fabric is facilitated, and the fixture can be easily fixed to the concave groove while the fabric is being attached.

According to the fourth aspect of the present invention, in addition to the effect of the third aspect, by attaching a hanging tool to the hanging tool mounting hole, it is possible to easily hang the fabric hanging frame on a wall surface or the like. Become. According to the cloth upholstery of the fifth aspect, in addition to the effect of the fourth aspect, the cloth is hooked on the ridge by pressing the cloth with the head of the fixture near the cloth ridge. Since it is possible, the fabric is less likely to be slackened, and the presence of the ridge makes it more difficult for the head to be seen from the front side of the frame piece.

According to the cloth upholstery of the sixth aspect, in addition to the effect of the third aspect, the reinforcing bar can be easily and reliably mounted.

[Brief description of the drawings]

FIG. 1 is a partially exploded perspective view of a fabric upholstery to which a first embodiment of the present invention is applied.

FIG. 2 is a front view of a fabric upholstery frame.

FIG. 3 is a sectional view of a frame piece.

FIG. 4 is a side view of the joint.

FIG. 5 is a partial plan view of a fabric upholstery frame according to another embodiment in a state in which the frame pieces are slightly opened.

FIG. 6 is a sectional view of a frame piece according to a second embodiment.

FIG. 7 is a sectional view of a reinforcing bar.

FIG. 8 is a side view of the joint.

FIG. 9 is a partially enlarged view of FIG.

FIG. 10 is an explanatory diagram illustrating a procedure for mounting a joint.

FIG. 11 is a partially enlarged view of a frame piece according to the third embodiment.

FIG. 12 is a side view of a joint according to a fourth embodiment.

FIG. 13 is a partial cross-sectional view of the fifth embodiment.

FIG. 14 is a side view of a joint according to a sixth embodiment.

FIG. 15 is a partial sectional view of the seventh embodiment.

FIG. 16 is a front view of the coupler.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1a-1d Frame piece 2 Joint 2a, 2b Both ends 3 Front surface 4 Upholstery ridge 5 Back surface 6 Concave groove 7 Outer side surface 8 Connection hollow portion 9 Fixture 10 Leg portion 12, 14 Unevenness 13 Hollow body 16 Reinforcement member 19 Head 20 Protrusions for catching cloth 23 Protrusions for hitting pliers 24 Opposite surface 26 Hollow portion 27 Slope 28 Protruding portion 30 Fabric 34 Crosspiece 80 Connection hole 81 Reinforcement groove for fixing reinforcement 82 Screw hole 84 Side groove 95 Folding and hook piece

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B44D 3/18 A47G 1/06 A47G 1/10 F16B 12/50

Claims (6)

(57) [Claims] 1. A concave / convex portion which has a hollow portion for connection inside, a ridge portion for upholstering on a front surface, a concave groove from an outer surface to a rear surface, and frictionally engages with an inner surface of the concave groove. A frame piece forming each side of the fabric upholstery frame, and a substantially L-shaped plane
Consists of a hollow body opened on both sides in a direction perpendicular to
A fabric tension frame comprising: a joint press-fitted into a connection hollow portion of the frame piece . 2. A folded / hung piece that folds the edge of the fabric and also hooks on a hook on a lower side of the concave groove on the back surface of the frame piece that is at least the upper frame of the fabric upholstery frame. The textile upholstery frame according to claim 1, which is extended. 3. A projecting portion is formed on the rear surface of the frame piece so as to form a slope continuous with the outer surface of the frame piece, and the groove is formed on the slope, and the groove is formed on the slope. 2. The fabric upholstery frame according to claim 1, wherein a ridge for hitting the canvas pliers is formed on a side opposite to the outer side surface. 4. The fabric upholstery frame according to claim 3, wherein said ridge portion has a hanging tool mounting hole. 5. The fabric upholstery frame according to claim 4, further comprising a fabric catching ridge on the slope on the outer surface side of the concave groove. 6. The frame piece protrudes a beam support in a direction inward of the cloth upholstery frame, has a connection hole in the beam support, and fixes a reinforcing beam to an inner surface of the frame piece as the fabric upholstery frame. A reinforcing groove having a screw hole aligned with the connection hole on the side surface of an end portion, and a side groove aligned with the reinforcing groove fixing groove on both sides, the side groove and The fabric upholstery frame according to claim 3, further comprising a joint press-fitted into the fixing groove.