JP6725358B2 - Suspension device - Google Patents

Description

INDUSTRIAL APPLICABILITY The present invention is for suspending a field rim receiver on a mounting surface without being affected by an inclination angle of a mounting surface of a ceiling skeleton which is arranged to be inclined at various inclination angles according to the slope of a roofing material. Field related suspension device.

Conventionally, there are not many field edge receiving suspension devices that are arranged to be inclined at various slope angles according to the slope of the roof material, but for example, as a ceiling material fall prevention device, a related art disclosed in Japanese Patent No. 3817346 has been proposed. Technology exists. In this conventional technology, a steel frame purlin is installed orthogonally to the upper surface of a steel frame roof frame that is arranged at various inclination angles according to the inclination of the roofing material such as a roof substrate or roof board. Then, the plate-shaped first member directly attached to the steel roof frame and the plate-shaped second member to which the ceiling suspension bolt is attached are overlapped with each other, and both of them are in a vertical plane with the central portion as an axis. Is rotatably pivoted, and the second member is rotationally adjusted with respect to the first member about the center of rotation as the center of rotation so that the second member vertically hangs the ceiling suspension bolt. According to this conventional technique, there is a risk that the second member rotates and swings with respect to the first member due to shock or vibration during an earthquake, and the ceiling suspension bolt attached to the second member swings greatly to the left and right. The swinging of the ceiling suspension bolts is a major factor causing breakage and fall of the ceiling material suspended by the ceiling suspension bolts, and the structure is complicated because the first member and the second member are pivotally attached to their rotation centers. There was a difficulty that the production cost was high. As is well known, a field edge receiver is attached to a lower end portion of a ceiling suspension bolt via a hanger, a field edge is attached to the field edge receiver via a hook member, and a ceiling material is attached to the field edge. It is like this.

The present invention prevents the ceiling material from falling off due to an external pressure such as an earthquake as in the above-mentioned conventional technique, and does not affect the inclination angle of the mounting surface of the ceiling structure, and the ceiling frame is received by the ceiling structure. It is an object of the present invention to propose a field-edge receiving suspension device for suspending a vehicle firmly.

The means for solving the above problems will be described with reference to the reference numerals of the embodiment described later. The field edge suspension device according to claim 1 suspends the field edge support 3 on the mounting surface 2 of the ceiling body 1. In the field edge receiving suspension device for carrying out, the field edge receiving suspension metal fitting 4 is attached to the mounting surface 2 of the ceiling body 1, and the arcuate curved piece 5 curved in an arc shape is integrally formed on the suspension metal fitting 4. The arcuate curved piece 5 is provided with a long hole 6 that opens in the curved direction, and the curved inner surface 5a of the arcuate curved piece 5 has a plate shape slidable in the bending direction along the inner surface 5a. A field edge suspension device comprising a curved nut 7, and a hanging bolt 8 for suspending the field edge, which is screwed through the elongated hole 6 into the plate-shaped curved nut 7 .
As shown in FIG. 9, suspension bolts 8 and 8 are respectively suspended from the pair of field edge receiving suspension fittings 4 and 4 mounted on at least the mounting surface 2 of the ceiling body 1, and the pair of suspension bolts 8 and 8 are respectively suspended. Are each composed of a short battledore bolt 14, and a steady rest brace 15 made of a channel steel plate is connected to the battledore bolt 14, and the pair of braces 15, 15 are connected to the suspension fittings via suspension bolts 8, 8, respectively. 4 and 4 are slanted so as to be inclined in opposite directions to each other, and lower end portions 15a, 15a of both braces 15, 15 are fixed to the field edge receiver 3 by a fixing tool 16.

The invention according to claim 2 has the structure according to claim 1, wherein the ceiling body 1 is made of a concrete slab ceiling material, a wood ceiling material, or a metal ceiling material.

According to a third aspect of the present invention, the field edge receiving suspension fitting 4 is integrally formed by abutting piece 4a that abuts the mounting surface 2 of the ceiling body 1 and an upwardly curved arcuate shape from one end of the corresponding abutting piece 4a. The arcuate curved piece 5 and a polymerized piece 4b which is superposed on the back side of the contact piece 4a from the upper end of the arcuate curved piece 5, and the contact piece 4a and the polymerized piece 4b which are superposed on the contact piece 4a. The fixing bolt 9 is screwed into the ceiling skeleton 1 so as to penetrate therethrough, and the field edge receiving suspension fitting 4 is attached to the mounting surface 2 of the ceiling skeleton 1 according to claim 1 or 2.

According to a fourth aspect of the present invention, the engagement projection 4c is formed by extending the tip end portion of the overlapping piece 4b of the field receiving suspension fitting 4, and the engaging protrusion 4c is formed on the arcuate curved piece 5 of the suspension fitting 4. The structure according to claim 3, wherein an engagement hole 4d with which the projection 4c is engaged is formed.

In the invention according to claim 5, the plate-shaped curved washer 11 is attached along the curved outer surface 5b of the arc-shaped curved piece 5 of the field edge suspension fitting 4, and the hanging bolt 8 penetrates the arc-shaped curved piece 5. The plate-shaped curved washer 11 is screwed into the plate-shaped curved washer 11 through the elongated hole 6 and the plate-shaped curved washer 11, and the lock nut 12 is screwed into the suspension bolt 8 so that the lock nut 12 is the plate-shaped curved washer. The suspension bolt 8 is locked in a predetermined suspension direction by being pressed against 11, and the suspension bolt 8 has a configuration according to any one of claims 1 to 4.

The invention according to claim 6 has the configuration according to claim 5, wherein a nut pressure contact surface of the plate-shaped curved washer 11 with which the lock nut 12 is pressure-contacted is formed as a flat surface 11a.

In the invention according to claim 7 , as shown in FIG. 10, the strip-shaped punched metal plate 4A for forming the field edge suspension metal fitting 4 is an arc-shaped curved piece with a long hole 6 and an engagement hole 4d. 5, a portion corresponding to the abutting piece 4a with a through hole 19a folded by the folding line 20 at one end thereof, a through hole 19b folded by the folding line 21 at the other end, and the engaging projection 4c. The structure according to any one of claims 1 to 7 , which comprises a portion corresponding to the attached polymerized piece 4b.

According to the first aspect of the invention, the field edge receiving suspension fitting 4 is attached to the mounting surface 2 of the ceiling body 1, and the suspension fitting 4 is integrally formed with the arcuate curved piece 5 which is curved in an arc shape. The arcuate curved piece 5 is provided with a long hole 6 that opens in the curved direction, and the curved inner surface 5a of the arcuate curved piece 5 has a plate shape slidable in the bending direction along the inner surface 5a. Since the bending nut 7 is provided and the hanging bolt 8 for suspending the field edge is inserted into the plate-shaped bending nut 7 and screwed into the plate-shaped bending nut 7, the hanging bolt 8 is screwed into the plate-shaped bending nut 7. The hanging bolt 8 can be hung vertically or can be hung at a desired inclination angle so that the lower end of the hanging bolt 8 can be accurately fixed to the field rim receiver 3.

Further, the arcuate curved piece 5 that is integrally formed by being curved in an arc shape on the field edge suspension metal fitting 4 is not limited to the case where the mounting surface 2 of the ceiling body 1 to which the field edge suspension metal fitting 4 is attached is horizontal. Even if the mounting surface 2 is inclined in any of the front-rear direction or the left-right direction, by adjusting the bending direction of the arcuate curved piece 5 to the inclination direction of the mounting surface 2, any inclination state of 360° can be obtained. The hanging bolt 8 can be accurately hung vertically on the mounting surface 2 via the field edge receiving suspension fitting 4.

In addition, the hanging bolt 8 is securely connected to the field edge receiving suspension fitting 4 by being screwed into the plate-shaped curved nut 7, and the hanging bolt 8 is exposed to external shock or vibration. It does not fall off from the suspension bracket 4.
Further, according to the present invention, as shown in FIG. 9, the suspension bolts 8 are suspended from at least a pair of the field edge receiving suspension fittings 4 and 4 attached to the ceiling body 1, and the pair of suspension bolts are suspended. Reference numerals 8 and 8 each comprise a short battledore bolt 14, and a steady rest brace 15 made of a channel steel plate is connected to the battledore bolt 14, and the pair of braces 15 and 15 are respectively connected via suspension bolts 8 and 8. The suspension fittings 4 and 4 are slanted so as to be inclined in opposite directions to each other, and the lower end portions 15a and 15a of the two bracees 15 and 15 are fixed to the field receiver 3 by the fixing tool 16. The field frame receiver 3 can be suspended by the braces 15, and the field frame carrier 3 can be suspended without being shaken by the reinforcing action of the pair of steady rest braces 15 even if an external impact or vibration is received. It is possible to prevent the ceiling material that is held and attached to the field edge receiver 3 via the field edge from falling off.

According to the invention of claim 2, the ceiling body 1 is made of a concrete slab ceiling material, a wood ceiling material, or a metal ceiling material. However, it is possible to attach the field edge receiving suspension fitting 4, and it is practical without being limited to the applicable range.

According to the invention according to claim 3, the field edge receiving suspension fitting 4 is curved upward in an arc shape from an abutting piece 4a that abuts the mounting surface 2 of the ceiling body 1 and one end of the corresponding abutting piece 4a. Since the arcuate curved piece 5 is integrally formed and the overlapping piece 4b that is superposed on the back side of the contact piece 4a from the upper end of the arcuate curved piece 5, the structure is simple and can be manufactured at low cost. At the same time, the fixing bolt 9 is screwed into the ceiling skeleton 1 by penetrating the contact piece 4a and the overlapping piece 4b that overlaps with the abutment piece 4a, so that the field edge receiving suspension fitting 4 is attached to the mounting surface 2 of the ceiling skeleton 1. Can be firmly attached.

According to the invention of claim 4, an engaging projection 4c is formed by extending a tip end portion of the overlapping piece 4b of the field receiving suspension fitting 4, and the arcuate curved piece 5 of the suspension fitting 4 is provided with The engagement protrusion 4c is formed with an engagement hole 4d, and the engagement protrusion 4c engages with the engagement hole 4d. It will be supported by a multi-layered piece with the polymerized piece 4c which is superposed on the arc-shaped curved piece 5, which can exert a strong endurance against a heavy load such as a ceiling material applied to the arc-shaped curved piece 5. Can be used stably for a long time.

According to the invention which concerns on Claim 5, the plate-shaped curved washer 11 is attached along the curved outer surface 5b of the arc-shaped curved piece 5 of the said field edge receiving suspension metal fitting 4, and the said hanging bolt 8 is the arc-shaped curved piece 5. While being screwed into the plate-shaped curved nut 7 by penetrating the elongated hole 6 and the plate-shaped curved washer 11 that are provided through the lock nut 12, the lock nut 12 is screwed into the suspension bolt 8 and the lock nut 12 is Since the hanging bolt 8 is locked in a predetermined suspension direction by being pressed against the curved washer 11, the hanging bolt 8 is composed of the plate-shaped curved washer 11 attached to the arc-shaped curved piece 5 and the lock nut pressed against the plate-shaped curved washer 11. 12 ensures that the suspension direction is maintained in the desired suspension direction in the vertical direction or the inclined direction, and the suspension direction of the suspension bolt 8 does not unexpectedly change due to external impact or vibration.

According to the invention of claim 6, among the curved surfaces of the plate-shaped curved washer 11, the nut pressure contact surface with which the lock nut 12 is pressure-contacted is formed into the flat surface 11a. The washer 11 can surely come into surface contact with the washer 11 and effectively exhibit its locking action.

According to the invention according to claim 7 , as shown in FIG. 10, the strip-shaped punched metal plate 4A for forming the field-edge receiving suspension fitting 4 has an arc shape with the elongated hole 6 and the engaging hole 4d. A portion corresponding to the curved piece 5, a portion corresponding to the abutment piece 4a with a through hole 19a folded by the folding line 20 at one end, a through hole 19b folded by the folding line 21 at the other end, and the engagement. Since it comprises a portion corresponding to the overlapped piece 4b with the protrusion 4c, it is folded along the folding lines 20 and 21 so that the elongated hole 6 and the arcuate curved piece 5 with the engagement hole 4d, and the contact with the through hole 19a. It is possible to easily manufacture the field edge receiving suspension fitting 4 including the piece 4a and the overlapped piece 4b with the through hole 19b and the engaging projection 4c. Since a series of constituent parts can be integrally formed, and after that, the product can be manufactured by simply folding the punched metal plate, so that it can be manufactured at a very low cost.

It is a usage state explanatory view of the embodiment of the field edge suspension device according to the present invention. It is an expanded sectional front view which shows the use condition of the principal part of this invention. It is a perspective view of the use state. (A) And (b) is sectional drawing of one Embodiment which shows the attachment state to the ceiling skeleton of a field edge receiving suspension metal fitting. It is the same exploded perspective view. It is an expansion perspective view of the same important section. It is the same exploded perspective view. It is an enlarged front view showing other usage conditions of the important section of the present invention. It is a use condition explanatory drawing of other embodiment of the field edge receiving suspension device which concerns on this invention. FIG. 3 is a development view of a field edge receiving suspension fitting of the main part.

BEST MODE FOR CARRYING OUT THE INVENTION A preferred embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a usage state of a field edge suspension device according to the present invention.

Conventionally, as a pitched roof, a roofing material L made of a roof base, a roof board, or the like is formed at various pitch angles. Ceiling frames 1 as girders, purlins or beams are arranged from a high place to a low part inclining in accordance with these various inclination angles. In FIG. 1, the ceiling frame 1 is a wooden square bar. It represents a purlin consisting of.

In the present invention, as shown in FIG. 1, for example, a ceiling frame 1 shown as an example of a wooden purlin is equipped with a field edge suspension device.

In this field edge receiving suspension device, a field edge receiving suspension metal fitting 4 is attached to a mounting surface 2 of a ceiling body 1 arranged in an inclined shape, and the suspension metal fitting 4 is curved in an arc shape in the inclination direction of the ceiling body 1. An arcuate curved piece 5 is integrally formed, and a hanging bolt 8 for suspending a field edge as described later is connected to the arcuate curved piece 5, and the field edge receiver 3 is suspended by a hanger 13 at a lower end portion 8a of the hanging bolt 8. The field edge N is attached to the field edge receiver 3 via the clip C, and the ceiling material T can be attached thereto by screws or an adhesive material.

As shown in FIGS. 2 to 4(a) and 4(b), the field edge suspension metal fitting 4 attached to the ceiling body 1 has an abutment piece 4a that comes into contact with the attachment surface 2 of the ceiling body 1 and a corresponding contact piece 4a. Of the arc-shaped curved piece 5 integrally formed by curving upward from one end of the arc-shaped curved piece 5 and a superposed piece 4b which is superposed on the back side of the contact piece 4a from the upper end of the arc-shaped curved piece 5. The fixing bolt 9 is screwed into the ceiling body 1 by penetrating the through-holes 19a and 19b in the contact piece 4a and the polymerized piece 4b which is superposed on the abutment piece 4a, and the field edge receiving suspension fitting 4 is attached to the ceiling body 1. It is designed to be firmly attached to the surface 2. As shown in FIGS. 4(a) and 4(b), the ceiling frame 1 to which the field edge suspension fittings 4 are attached is formed by a concrete ceiling slab, and its attachment surface 2 is horizontal. However, of course, it may be used in an inclined state. 4(a), the fixing bolt 9 is directly screwed into the ceiling skeleton 1. However, in FIG. 4(b), the insert nut S is embedded and the anchor fixing bolt 9 is attached thereto. You may drive in.

In addition, as shown in FIGS. 2, 4A, 5 and 6, an engaging projection 4c is formed by extending the tip end portion of the overlapped piece 4b of the field edge receiving suspension fitting 4, and the suspension protrusion 4c is formed. The arcuate curved piece 5 of the metal fitting 4 is formed with an engagement hole 4d with which the engagement projection 4c engages, and the engagement projection 4c engages with the engagement hole 4d, whereby the arcuate curved piece 5 is Both end portions thereof are supported by a multi-layered piece of the contact piece 4a and the overlapping piece 4c which is superposed on the contact piece 4a, and therefore, with respect to a heavy load such as a ceiling material loaded on the arcuate curved piece 5 due to this. , Its deformation can be prevented, strong durability can be exhibited, and it can be used stably for a long period of time.

Then, as shown in FIG. 1 to FIG. 9, the arcuate curved piece 5 integrally formed in the lower portion of the field edge receiving suspension fitting 4 is provided with a long hole 6 that opens in the bending direction, and the arcuate shape is formed. The curved inner surface 5a of the bending piece 5 is provided with a plate-shaped curved nut 7 that is slidable in the curved direction along the inner surface 5a, and the field edge receiving suspension is provided in a screw hole 7a (FIG. 5) of the plate-shaped curved nut 7. A hanging bolt 8 for use is screwed through the elongated hole 6.

Further, a plate-shaped curved washer 11 is applied along the curved outer surface 5b of the arc-shaped curved piece 5 of the field edge receiving suspension fitting 4, and the suspension bolt 8 is provided with the elongated hole 6 penetrating the arc-shaped curved piece 5. Also, the lock nut 12 is screwed into the screw hole 7a of the plate-shaped curved nut 7 through the through hole 11b provided in the plate-shaped curved washer 11, and the lock nut 12 is screwed into the suspension bolt 8 so that the lock nut 12 is The suspension bolt 8 is suspended in a predetermined direction in the vertical direction or in the front-rear direction or the left-right direction by being pressed against the plate-shaped curved washer 11, and is locked so as not to be displaced from the suspension position. In the use example shown in FIG. 2, since the field-edge receiving suspension fitting 4 is attached in an inclined state in which it rises to the right in the figure, and the long hole 6 formed in the arcuate curved piece 5 largely shifts to the right side, this length The plate-shaped curved washer 11 for closing the hole 6 is arranged on the right side of the flat surface 11a.

As shown in the exploded view of FIG. 7, among the curved surfaces of the plate-shaped curved washer 11, the nut pressure contact surface with which the lock nut 12 is pressure-contacted is formed as a flat surface 11a, and the lock nut 12 is plate-shaped. When the curved washer 11 is pressed against the curved washer 11, the flat surface 11a is surely brought into surface contact with the curved washer 11 to effectively exhibit its locking action.

As described above, the suspension bolt 8 screwed into the plate-shaped curved nut 7 through the long hole 6 formed in the arc-shaped curved piece 5 of the suspension fitting 4 is mounted on the mounting surface 2 of the ceiling body 1. Without being influenced by the inclination angle, the field rim receiver 3 is suspended vertically by being guided by the elongated hole 6, the field rim receiver 3 is suspended via the hanger 13, and the field rim N attached at right angles thereto. The ceiling material T is accurately hung.

Similar to FIG. 2, FIG. 8 is the same in that the field edge receiving suspension fitting 4 is attached to the inclined mounting surface 2 of the ceiling body 1, but in FIG. 2, the suspension fitting 4 is Although the mounting surface 2 is attached to the ceiling body 1 in a state in which the mounting surface 2 faces the upslope side, in the usage pattern shown in FIG. 8, the mounting surface 2 of the ceiling body 1 faces in the downslope side. An edge suspension device is attached. The mounting structure is the same as that in FIG. 2, and therefore the description thereof is omitted. However, in FIG. 8, the field edge receiving suspension fitting 4 is provided in an inclined state of rising to the left in FIG. Since the long hole 6 formed in the arcuate curved piece 5 is largely displaced to the left side, the plate-shaped curved washer 11 for closing the long hole 6 is arranged to be displaced to the left side of the flat surface 11a. There is.

FIG. 9 shows a usage state of another embodiment of the field edge receiving and suspending metal fitting 4, and a pair of fixing bolts 9 are attached to the attaching surface 2 of the ceiling skeleton 1 made of a metal square pipe at appropriate intervals. Suspending bolts 8 and 8 are respectively hung from the field edge receiving suspension fittings 4 and 4, and the pair of suspending bolts 8 and 8 are respectively composed of a short battledore bolt 14, and a fastener 22 such as a screw is attached to the battledore bolt 14. The anti-rest brace 15 made of a channel steel plate is connected by the above, and the pair of bracees 15 and 15 are respectively suspended from the suspension fittings 4 and 4 via the hanging bolts 8 and 8 in the mutually opposite directions. The lower end portions 15a, 15a of the two bracees 15, 15 are fixed to the field edge receiver 3 by a fixing tool 16 such as a screw.

As described above, according to this embodiment, at least a pair of the steady bracees 15 and 15 can be attached to the field edge receiving suspension fitting 4 regardless of the inclination angle of the mounting surface 2 of the ceiling skeleton 1. The field rim receiver 3 can be suspended by the braces 15, 15, and the field rim receiver 3 can be swayed by the reinforcing action of the pair of steady rest braces 15 even if an external impact or vibration is received. It is possible to prevent the ceiling material that is suspended without being attached and is attached to the field edge receiver 3 via the field edge from falling off.

FIG. 10 shows a strip-shaped punched metal plate 4A in an unfolded state for producing the field edge suspension metal fitting 4, and the strip-shaped punched metal plate 4A has the long hole 6 and the engagement hole 4d. A portion corresponding to the arcuate curved piece 5, a portion corresponding to the contact piece 4a with a through hole 19a folded at the folding line 20 at one end, a through hole 19b folded at the folding line 21 at the other end, and It is composed of a portion corresponding to the overlapping piece 4b with the engaging projection 4c.

By folding along the folding lines 20 and 21, the arcuate curved piece 5 with the elongated hole 6 and the engaging hole 4d, the contact piece 4a with the through hole 19a, the through hole 19b and the engaging protrusion 4c are provided. The field edge suspension metal fitting 4 composed of the overlapping piece 4b is manufactured.

In this way, since the field edge receiving suspension fitting 4 can be manufactured by the punching process using the punching press machine and the bending process (folding process) using the bending machine with respect to the strip-shaped punching metal plate 4A, it is inexpensive. It is possible to manufacture.

In the present invention, the mounting surface 2 of the ceiling skeleton 1 arranged at various inclination angles in accordance with the inclination of the roof material L is such that the roof material L is horizontal like a flat roof, that is, the slope. It goes without saying that the case where the angle is zero is also included.

DESCRIPTION OF SYMBOLS 1 Ceiling frame 2 Mounting surface 3 Field edge receiver 4 Field edge receiving suspension metal fitting 4a Abutment piece 4b Overlapping piece 4c Engagement projection 4d Engagement hole 5 Arc-shaped curved piece 5a Curved inner surface 5b Curved outer surface 6 Long hole 7 Plate-shaped curved nut 8 Hanging Bolt 9 Fixing Bolt 11 Plate-shaped Curved Washer 11a Flat Surface of Plate-shaped Curved Washer 12 Lock Nut 13 Hanger 14 Battledore Bolt 15 Brace 16 for Steady Rest

Claims (7)

In a field edge receiving suspension device for suspending a field edge receiver on a mounting surface of a ceiling frame, a field edge receiving metal fitting is attached to a mounting surface of the ceiling body, and an arcuate curved piece curved in an arc shape on the suspension metal object. Is formed integrally with the arcuate curved piece, and a long hole that opens in the curve direction is formed through the arcuate curved piece, and the curved inner surface of the arcuate curved piece is slidable in the curve direction along the inner surface. A field-shaped suspension nut, in which a box-shaped curved nut is provided, and a suspension bolt for suspending the field edge is screwed through the elongated hole into the plate-shaped curved nut ,
Suspending bolts are respectively hung from a pair of the field edge receiving suspension fittings attached to at least the mounting surface of the ceiling skeleton, and these pair of suspending bolts are made of short battledore bolts, and the battledore bolts are made of channel steel plates. The brace for steady rest is connected, and the pair of braces are hung from the suspension fittings via the hanging bolts while being inclined in opposite directions to each other, and the lower end portions of both braces are fixed to the field frame receiver by the fasteners. Suspension device for receiving field ties. The field frame suspension device according to claim 1, wherein the ceiling body is made of a concrete slab ceiling material, a wood ceiling material, or a metal ceiling material. The field edge receiving and suspending metal member includes an abutting piece that abuts on a mounting surface of a ceiling body, the arcuate curved piece integrally formed by curving upward in an arc shape from one end of the abutting piece, and the arcuate curved piece. Of the overlapped piece that overlaps from the upper end of the contact piece to the back side of the contact piece, and the fixing bolt is screwed into the ceiling body through the contact piece and the overlapped piece that overlaps with the contact piece. The field edge receiving and suspending device according to claim 1 or 2, which is attached to a mounting surface of a ceiling body. An engaging projection is formed by extending the tip end portion of the overlapping piece of the field edge receiving suspension fitting, and an engaging hole for engaging the engaging projection is formed in the arc-shaped curved piece of the suspension fitting. The field frame suspension device according to claim 3. A plate-shaped curved washer is attached along a curved outer surface of the arc-shaped curved piece of the field edge receiving suspension fitting, and the hanging bolt penetrates the long hole and the plate-shaped curved washer penetrating the arc-shaped curved piece. The lock bolt is screwed into the plate-shaped curved nut, and the lock nut is screwed into the suspension bolt so that the lock nut is pressed against the plate-shaped curved washer to lock the suspension bolt in a predetermined suspension direction. The field edge suspension device according to any one of 1 to 4. The field edge receiving and suspending device according to claim 5, wherein among the curved surfaces of the plate-shaped curved washer, a nut pressure contact surface with which the lock nut is pressure contacted is formed as a flat surface. The strip-shaped punched metal plate for forming the field edge suspension metal fitting has a portion corresponding to an arc-shaped curved piece with a long hole and an engagement hole, and a through hole that is folded by a folding line at one end thereof. a portion corresponding to the contact piece, the field edge receiving suspension system according to any one of claims 1 to 6 comprising a portion corresponding to the polymerization piece with the through-hole and the engagement protrusion is folded by fold lines of the other end ..

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