JP3429272B2 - Connecting member for door hanger of automatic door device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door hanger driven by the operation of a drive part, whereby a roller part of a door hanger fitted to a rail part laterally installed at an upper portion of an opening serving as a doorway rolls, A door suspended by a door attachment fitting in the door hanger is an automatic door device configured to travel openably and closably in the opening, and particularly, as one member of the door hanger, a roller portion or a door. The present invention relates to a door hanger connecting member that is used together with a fitting and the like.

[0002]

2. Description of the Related Art In a known automatic door device, as shown in FIG. 5, there is a rail portion 2 provided horizontally on an upper opening 1 and a door hanger 4 fixed on an upper door portion 3A of a door 3. , The roller portion 4b provided on the door hanging fitting 4a
Is slidably mounted so that the door 3 is suspended, and the lower door portion 3B is guided by the guide rails 5 on the floor surface F, so that a drive unit provided on the upper door portion 1 is provided. The door 3 is configured to open and close the opening 7 which is the doorway by the operation of 6.

Therefore, in FIG. 5, the drive pulley 6c is rotated by the motor 6a and the decelerator 6b of the drive unit 6, and the rotary belt 6e wound between this and the driven pulley 6d is rotated. The belt 6e and the roller portion 4 are connected by a belt gripping tool 6f. Here, the door 3 shown in the figure as an example is called a frame door, and is framed by an upper frame 3a, a lower frame 3b, and left and right vertical frames 3c and 3d, which are formed in a square pipe shape. The upper part 3A of the door is the upper frame 3a and the left and right vertical frames 3c, 3
and the lower part of the door 3B is formed by the lower frame 3b and the lower ends of the left and right vertical frames 3c, 3d, 8 is a door controller, 9 is a door pocket, and 10 is a door stop member. Is shown.

Here, the door hanging fitting 4a of the door hanger 4 will be explained. As is apparent from FIG. 6, the roller portion 4b and the attachment plate portion 4c are formed, and the attachment plate portion 4c is lateral. A plate 4d and a standing plate 4e are formed in an L shape, and a tongue plate 4g for projecting height is formed by bending the standing plate 4e and engraving a height adjusting screw hole 4f. The roller portion 4b is formed by bending the height adjusting hook plate 4i from one surface of the roller substrate 4h and provided with a pair of screw rods 4j and 4k. The roller portion 4b is rotatable on the other surface of the roller substrate 4h. Rollers 4n and 4p are rotatably supported at both ends of the roller attachment plate 4m pivotally supported by the roller.

The suspension bolts 4r are respectively screwed into the pair of front and rear elongated holes 4q formed in the lateral plate 4d in the door tap holes 3e and 3f of the door upper portion 3A, whereby the attachment plate portion 4 is formed.
c is adjusted and fixed in the arrow X direction, and the screw rods 4j and 4k of the roller substrate 4h are inserted into the vertical elongated holes 4s of the upright plate 4e and the roller portion 4b is adjusted in the arrow Y direction by the tightening nut 4t. Then, the building adjustment bolt 4u is screwed into the height adjusting screw hole 4f. The door 3 disclosed in FIG.
Unlike the above-mentioned frame door, it is called a tempered glass door, and the upper frame 3h and the unillustrated lower shaft are attached over the entire width only to the upper and lower portions of the tempered glass plate 3g.

As is known here, in the door upper portion 3A of the door 3, when the door hanging fitting 4a is attached by the hanging bolts 4r as described above, the attaching positions are as follows. If not selected, the so-called dance phenomenon occurs in the door 3 at the time of starting the motor 6a, or the door 3 at the time of deceleration operation.
It is known that rattling occurs. Therefore, in the case of the tempered glass door of FIG. 6, the door tap holes 3e and 3f are engraved near the width-long end of the upper frame 3h. The door hanging fitting 4a is attached to the door upper part 3A as close to the left and right ends as possible.

However, in the case of the above-mentioned frame door, as understood from FIG. 5, the above requirements cannot be satisfied. That is, in the case of a four-sided frame door called a frame door, the horizontal frame members as the upper frame 3a and the lower frame 3b are located inside the vertical frames 3c and 3d cut to the height of the door. Is attached, and therefore the upper ends of the vertical frames 3c and 3d are in an open state,
Since it is impossible to screw it, the door hanging fitting 4a must be attached within the width of the upper frame 3a. Therefore, as described above, the stability of the door 3 is inevitably deteriorated, and especially when the door width is narrow, the door 3 easily dances, which causes rattling noise, which causes complaints from customers. Is the current situation.

Further, in the conventional automatic door apparatus as described above, the roller portion 4 having a considerably complicated structure as shown in FIG.
Since the door hanging attachment metal fitting 4a including the roller substrate 4h provided with b and the attachment plate portion 4c is attached to the door upper portion 3a of the door 3, the attachment work can be performed easily. As a result, as shown in FIG. 7, the door attachment fitting 4a is attached irregularly to the door 3 with an inclination angle θ, or the attachment plate 4c is hung in the front and rear long holes 4q. The mounting position of the bolt 4r becomes inconsistent, and the clearance G between the door 3 and the wall surface W of the building becomes improper as shown in FIG. Become.

If the rollers 4n and 4p shown in FIG. 4 cannot be smoothly rotated if they are attached with the inclination angle θ as described above, premature wear or deformation occurs, or the rollers 4
It will cause failure such as rotation failure of the bearings installed in the n and 4p and generation of abnormal noise, and the ideal running operation of the door will not be fully exhibited. It has to be carried out and is not satisfactory in terms of work efficiency.

Further, as described above, in order to suspend the door 3 in the vertical direction at an appropriate height, the screw rods 4j, 4k of the roller substrate 4h are inserted through the vertical slots 4s and fastened at an appropriate height. Since the work such as tightening with the nut 4t is performed, if the vertical adjustment is not appropriate, the door 3 is suspended in an inclined state as shown in FIG. If the door 3 is in the closed state with 10 and the door 3 is a draw door, the summing of the doors becomes defective, and therefore work for adjusting this is performed. Then, after the above work is completed, the built-in adjustment bolt 4 as described above.
u is screwed into the height adjusting screw hole 4f of the height adjusting tongue plate 4g through the height adjusting hook plate 4i, and this is screwed to finely adjust the door 3 in the vertical direction. The above-mentioned height adjusting hook plate 4i must be bent from the roller substrate 4h,
Moreover, a height adjusting tongue plate 4g is also projected from the standing plate 4e.
Te, must be screwed temper high screw holes 4f in this, and therefore inexpensive offer has become a perplexities.

[0011]

SUMMARY OF THE INVENTION The present invention relates to a door hanger connecting member obtained by studying in view of the deficiency of the conventional automatic door device, and in claim 1, first, a door hanger connecting portion. The connecting member body of the material is
Attachment of is no long Satoshi much different the length width length of the door and, on its one side roller T-shaped engagement opened in side Hamamizo, rotatably a roller be in the desired position It is possible. As a result, the roller can be independently attached to each end side in the width direction of the door and freely attached. Thus, the rollers can be arranged at both end sides of the door, and the conventional operation can be performed when the door travels by simple work. the dances and rattling are the defects completely blocked, the rattling of the door
Trying to completely eliminate the dissonant sound that. And claim 1
In this case, a door mounting T-shaped engaging groove is also formed at an appropriate position on the opposite side of the roller T-shaped engaging groove, and the door mounting formed in a very simple manner. By using the vertically elongated hole of the attachment fitting and sandwiching it with the door lifting bolt and the door lifting nut, it is possible to attach the door attachment fitting at a desired position in the length direction of the connecting member body. By attaching this door mounting bracket to the door, the door can be fixed at the required high position, which allows the door mounting bracket to be fixed at a specific position, completely separate from the roller, and simply and quickly fixed. I am trying.

Furthermore there to claim 1, wherein in addition to the above-described configuration <br/> door preparative wearing T-shaped engagement Hamamizo side, also forms a T-shaped engagement Hamamizo door moved up and down in the supra coupling member body By using this and the cutout portion provided on the height adjusting horizontal plate portion of the door mounting bracket, the door height adjusting bolt and the door height adjusting nut are properly installed at desired positions. doing, with the height of the door to allow fine adjustment by easy easy Do operation, the door mounting
The purpose is to make the metal fittings inexpensive and simple to form .

[0013] Claim In the next in claim 2, in which the above
The following configuration is added to the first stage configuration of No. 1 . That is, the connecting member In the body, the same as the above-mentioned door preparative wearing T-shaped engagement Hamamizo a door lifting and lowering a T-shaped engagement Hamamizo
Although the door driving T-shaped engaging groove is formed so as to face upward, it is set to the side , and further, by engaging the driven belt-like body in the retaining state, so as to abut against the drive pulley, which is run by the drive unit Te
By doing so, it is possible to open and close the connecting member main body in the longitudinal direction thereof, whereby it is possible to inexpensively achieve operation as an automatic door device by a simple mechanism without a driven pulley for an endless drive pulley. But that is the purpose.

[0014]

According to the present invention, in order to achieve the above object, the rail portion laterally provided above the opening in claim 1 has a door fixed at the door upper portion. There is provided an automatic door device in which a roller part of a hanger is engaged so that the hanger can travel freely, a lower part of the door is guided by a guide rail on a floor surface, and the door is opened and closed by the operation of a drive part. The connecting member main body arranged laterally as one member of the door hanger has a length such that both lateral end portions thereof reach at least the width-long end portion side of the door, and the connecting member main body is In the longitudinal direction facing the upper side of the opening, from the first back side engagement large groove and the first front side engagement small groove communicating with the first back side engagement large groove and the pair of first retaining ridges. The T-shaped engaging groove for the roller is opened, and the length of the first rear side engaging large groove is increased. The head of the roller nut or the roller bolt is engaged with the required position in the direction in a non-rotating state so that the roller inserted into the roller bolt can be rotatably attached. On the opposite side of the roller T-shaped engaging groove in the main body, a second inner side engaging large groove is also provided in the longitudinal direction, and a second inner side engaging large groove is provided between the pair of second retaining ridges. A door attachment T-shaped engaging groove formed of a second front side engaging small groove communicating with the door is opened, and a door elevating nut or a door elevating nut is provided at a required position in the longitudinal direction of the second inner side engaging large groove. By engaging the head of the bolt for
The door can be fixed at a required high position by being clamped by the door lifting bolt and the door lifting nut that are inserted into the vertically long hole of the door mounting bracket that is mounted on the upper part of the door. on the opposite surface side, this also a third rear-side engagement fitting large grooves in the longitudinal direction, and a third front engagement fitting small groove communicating with the third inner side engagement fitting large groove between the pair of the third retaining protrusion by opening the door lifting and lowering preparative wearing T-shaped locking Hamamizo downwardly consisting of the third longitudinally required positions on the rear side engagement fitting large grooves, the head of the door adjustment height nut or door adjustment height bolt The door height adjusting bolt is vertically installed at the notch in the height adjusting horizontal plate portion of the door attachment fitting attached to the above-mentioned door upper part by vertically mounting the door height adjusting bolt. Alternatively, the door mounting bracket can be moved up and down by screwing the door height adjustment nut. Connecting members for door hanger automatic door apparatus characterized by A regulating height was set to allow
Trying to provide .

[0015] Then In the second aspect of claim 1
In addition to the configuration in the preceding stage, the case of claim 1
In the upper part on the opposite surface side of the T-shaped engaging groove for rollers in the main body of the connecting member, a fourth inner side engaging large groove is also provided in the longitudinal direction between the pair of fourth retaining ridges. A door attachment T-shaped engagement groove formed of a fourth front side engagement small groove communicating with the fourth back side engagement large groove is opened upward, and the fourth
By abutting a drive pulley provided on the upper portion of the opening, which is rotationally driven by the drive unit, in the rear side engagement large groove,
The content of the connecting member main body is such that the driven belt-shaped body that can travel in the longitudinal direction thereof can be fitted in the state of being prevented from coming off.

[0016]

When Setsuji hereinafter by claims FIGS. 1 through 4 per PREFERRED EMBODIMENTS present application, similarly to the configuration of claim 2
As shown in FIG. 1, the door hanger 14 is fixed to the upper part 13A of the door in the rail part 12 provided laterally on the upper part 11 of the opening .
The roller portion 14a of the above is engaged so that it can travel freely, and the lower portion 13B of the door is guided by the guide rail 15 of the floor surface F, so that the driving portion 16 can be understood as shown in FIG.
The present invention relates to a connecting member for the door hanger 14 which is used in the automatic door device 18 which is driven to open and close the opening 17 by the operation of. An important requirement of the connecting member main body 19 of the connecting member which is laterally arranged as one member of the door hanger 14 is the width L of the main body of the connecting member. Both lateral end sides 19a, 19b at must have a length dimension that reaches at least the wide end side 13a, 13b of the door 13. In other words, the main body width L is selected in the range from a little shorter than the width D of the door to a dimension that becomes longer.

[0017] With Shoki below The configuration of the connecting member body 19, the above-mentioned facing the open top 11 side, roller T-shaped locking Hamamizo 19A is opened in the longitudinal direction. The roller-shaped T-shaped engagement groove 19A is located between the first back side engagement large groove 19c and the pair of first retaining ridges 19d and 19d, and communicates with the first back side engagement large groove 19c. It is formed by the front side engagement small groove 19e. Then, in the first rear side engagement large groove 19c, a required position in the longitudinal direction is selected, and as is understood from FIGS. 1 and 2, the roller nut 19f or the roller bolt 19g is selected.
The head 19h of the
The roller 19i fitted and inserted into the roller bolt 19g can be attached so as to be rotatable. Here, in the illustrated example, a plain washer and a spring washer are interposed between the roller nut 19f and the roller 19i.

Furthermore In the claim 1, opposite side of the roller T-shaped locking Hamamizo 19A, i.e. be in the front side of the door 13, before Similarly preparative door longitudinally wearing T-shaped The engagement groove 19B is opened, and this is formed by the second inner engagement large groove 19j and the pair of second retaining projections 19k, 19k.
It is constituted by a second front side engaging small groove 19m which is in communication with the second back side engaging large groove 19j. The door lifting nut 19n is provided at a required position of the second back side engagement large groove 19j in the door attachment T-shaped engagement groove 19B.
Alternatively, the mounting flat plate portion 2 attached to the door upper portion 13A by engaging the head portion 19q of the door lifting bolt 19p.
0A and the upright plate portion 20B, in the door attachment fitting 20, the door up / down bolt 19p and the door up / down nut 19n inserted into the pair of vertically elongated holes 20a formed in the upright plate portion 20B. The door 13 can be fixed to the connecting member main body 19 so as to be at a predetermined height by the sandwiching by.

As described above, according to the first aspect of the present invention, since the door mounting member 20 is not provided with the roller portion 4b as in the conventional example, the structure can be extremely simplified and the connecting member main body 19 can be very simplified. Since the body width L is equal to or larger than the door width D as described above, and the roller 14a can be mounted anywhere on the connecting member body 19, FIG.
As understood by (B), the roller 1 of the roller portion 14a
It is possible to dispose 9i also at a position directly above the widthwise end portion side 13a of the door. As a result, even in the case of the frame door, it is possible to prevent the generation of the dance phenomenon and noise, which have been the most serious problems when the door 13 travels. Moreover, the door fitting 20 itself can be attached anywhere on the connecting member body 19 in consideration of the desired relative position with the roller portion 14a, and more than three roller portions can be attached depending on the weight of the door 13. 14a can also be quickly mounted by a simple operation.

[0020] According further to the first aspect, there before the opposite side of the connecting member body 19, which also door lifting movement for the T-shaped locking Hamamizo 19C which opened downwards in its longitudinal direction is formed This is because there is a third front side engaging small groove 19t which is between the third rear side engaging large groove 19s and a pair of third retaining ridges 19r, 19r and communicates with the third rear side engaging large groove 19s. It is formed by and. Then, the door adjusting nut 19u or the head 19w of the door height adjusting bolt 19v is engaged with a required position in the longitudinal direction of the third back side engagement large groove 19s and is attached to the door upper portion 13A described above. The above-described door height adjusting bolt 19v is vertically installed in the cutout portion 20c in the height adjusting horizontal plate portion 20b of the door attachment fitting 20 to be formed. This allows the door mounting bracket 20 to be freely moved up and down by screwing the door height adjusting bolt 19v or the door adjusting nut 19u.
The height can be adjusted by finely adjusting.

[0021] When due to the claim 1 is therefore the need to conventional tongue plate 4g for adjusting the height of forming the attachment plate section 4c of the door hanger 4, time and effort to engraved tone high screw holes 4f Instead, by simply forming the notch 20c in the height adjusting horizontal plate portion 20b, the height of the door 13 can be easily adjusted by screwing the door adjusting nut 19u or the door height adjusting bolt 19v. Of course, the door height adjusting bolt 19v can be arranged at any position in the door elevating T-shaped engaging groove 19C.

[0022] Next, when the second aspect is described in detail below, although the configuration explained in the preceding stage of the above-mentioned claim 1 is the same,
The added contents are different as follows. That is, the T-shaped engagement groove 19 for the roller described above in the connecting member body 19
A door-driving T-shaped engaging groove 21 is opened upward in the longitudinal direction in the upper part on the opposite side of A. This T-shaped engaging groove 21 for driving the door is also the fourth
A back side engagement large groove 21a, a pair of fourth retaining ridges 21b,
21b, and a fourth front side engagement small groove 21c communicating with the fourth back side engagement large groove 21a. Then, in the fourth back side engagement large groove 21a described above, the connecting member main body 19 is brought into contact with the drive pulley 16b of the automatic door device which is rotationally driven by the motor 16a of the drive unit 16 provided in the opening upper portion 11. The driven belt-shaped body 22 that can travel in the longitudinal direction is the fourth retaining ridge 21.
It can be fitted by b and 21b so as to be in a retaining state.

[0023] Here, as described above of the transmission band-like body 22,
A transmission belt such as a rack belt or a timing belt, a transmission chain, a transmission rod, or the like can be incorporated, and it is possible to easily transmit the rotation of the drive pulley 16b, which has been moderately decelerated, to the driven belt 22. With such a structure, the endless rotary belt 6e and the driven pulley 6d for the drive pulley 6c as in the automatic door device described as the conventional example are of course unnecessary.

Further , as disclosed in FIGS. 2 and 3, the above-mentioned door attachment fitting 20 is attached to the door upper portion 13A of the door 13 as in the conventional example. A hanging bolt 20e is inserted into a pair of elongated hanging holes 20d formed in the attachment plate portion 20A of the metal fitting 20 and formed in the front-rear direction so as to be screwed to the upper portion 13A of the door. In this case, as will be understood from FIGS. 2 and 4, at this time, the roller 19i is engaged with the rail portion 12 in a state in which the connecting member main body 19 is arranged immediately above the door upper portion 13A. It will be. Therefore, FIG.
As shown in (A), the hanging bolt 2 is attached to the door 13 as a work procedure.
When the door mounting bracket 20 is fixed by 0e and then attached to the connecting member main body 19,
It is possible to determine whether or not the door attachment fitting 20 has an inclination angle θ with respect to the connecting member body 19, and in such a case, one of the door attachment fittings 20 has its hanging bolt. 20e can be loosened and readjustment can be performed, whereby the setting of the roller 19i with respect to the rail portion 12 can be corrected. In addition, when the above-described work procedure is reversed and the door attachment fitting 20 is attached to the connecting member main body 19 and then the door attachment attachment 20 is attached to the door upper portion 13A, Since the door attachment fitting 20 is fixed to the member main body 19 in parallel with it, when fixing the door attachment fitting 20 with the hanging bolts 20e, perform the work as shown in FIG. 4 (B). Instead, the roller 19i is correctly set on the rail portion 12. Note that reference numeral 23 in FIG. 1 (B) is a door controller, and 13
Reference characters c show the vertical frames of the doors 13, respectively.

[0025]

Since the present invention is constructed as described above, according to the first aspect of the present invention, the connecting member main body is first cut into a dimension substantially the same as the width of the door. Even when the both ends of the T-shaped engagement groove are full, only the roller portion can be attached separately from the door mounting bracket, so that the attachment work can be performed easily and quickly, and of course, the roller can be attached. The part can be attached to the farthest end side with respect to the door, and even in the case of a tempered glass door, the roller part can be arranged in a more ideal position to ensure stable running of the door, and further in the frame door, It is possible to completely eliminate the door dance phenomenon due to the restricted roller position within the upper pivot width, which has been considered impossible. The roller portion is a both ends of the door
Only Not so set may only at any position, it is also possible to achieve durability by reducing the door load on rollers by setting a plurality of roller portions. Moreover, the connecting member body
A T-shaped engaging groove for attaching the door is provided in a proper place, and
Connect the mounting bracket with the door lifting nut and the door lifting bolt.
Since it can be attached freely at any position of the main body of the binding member,
Compared to conventional metal fittings for hanging doors that include rollers,
It has a simple structure, and the installation work can be done easily and quickly.
Can improve workability and reduce manufacturing cost.
It is possible to reduce the number of rollers and
A wide range of interrelationships with mounting hardware
Selection is allowed.

Further, according to claim 1, the above configuration is provided.
In addition to this , a T-shaped engaging groove for moving the door up and down is also attached to the main body of the connecting member , which allows fine adjustment of the adjusting position of the door mounting bracket by using the door adjusting nut and the door adjusting bolt. Since it can be done, the vertical adjustment of the door can be easily and quickly adjusted by tightening the nuts, etc., and the bending process and tapping process of the metal fittings are unnecessary compared to the conventional metal fittings for hanging the door, and the manufacturing process can be reduced. It becomes possible to provide at low cost.

Next, in claim 2, the above-mentioned claim 1
Since a structure different from the additional structure in (1) is added , a door driving T-shaped engaging groove is provided in the connecting member main body, and a driven belt-shaped member such as a timing belt is mounted in the groove.
The door can be opened and closed with a simple structure without using members such as an endless belt and a driven pulley.

[Brief description of drawings]

FIG. 1 shows a door hanger connecting member of an automatic door apparatus according to the present invention, and FIG. 1A is an exploded perspective explanatory view showing an attached state of a main body of the connecting member and a door attaching fitting; ) Is a schematic front view of the automatic door device.

FIG. 2 is an enlarged vertical cross-sectional side view in the vicinity of an upper opening of the front automatic door device.

FIG. 3 is an enlarged front view of a main part disclosing the content of claim 2 in the vicinity of the upper opening of the automatic door device.

FIG. 4 is an explanatory plan view showing a defective attachment state of the connecting member main body showing the automatic door device, the door attachment fitting to the door, and the door, and FIG. 4B is an explanatory plan view of the normal attachment state of the same.

FIG. 5 is a schematic front view showing a conventional automatic door device.

FIG. 6 is an exploded perspective explanatory view showing a state in which a door hanging fitting is attached to an upper portion of a door in a door hanger showing the conventional automatic door device.

FIG. 7 is a schematic plan view showing an unauthorized attachment state of the door suspension fitting to the upper part of the door of the above automatic door device.

FIG. 8 is a side view showing the relationship between the door and the wall surface of the above automatic door device.

FIG. 9 is a front explanatory view showing a door mounting failure state of the same automatic door apparatus.

[Explanation of symbols]

11 opening upper part 12 rail part 13 door 13A door upper part 13B door lower part 13a door width long end side 13b door width long end side 14 door hanger 14a roller part 15 guide rail 16 driving part 16a motor 16b driving pulley 17 opening 18 Automatic door device 19 Connecting member main body 19A Roller T-shaped engaging groove 19B Door attaching T-shaped engaging groove 19C Door lifting T-shaped engaging groove 19a Horizontal end portion side 19b Horizontal end portion side 19c First depth Side fitting large groove 19d 1st retaining ridge 19e 1st side fitting small groove 19f Roller nut 19g Roller bolt 19h Head 19i Roller 19j Second inner side engaging large groove 19k 2nd retaining ridge 19m 2nd Front side fitting small groove 19n Door lifting nut 19p Door lifting bolt 19q Head 19r Third stopper ridge 19s Third depth fitting large groove 19t 3 front engagement fitting small grooves 19u door adjustment height nut 19v door adjustment height bolts 19w head 20 door attachment fittings 20a Vertical hole 20b tone high transverse plate portion 20c cutout portion 21 door drive for T-shaped locking Hamamizo 21a 4th depth side engaging large groove 21b 4th retaining ridge 21c 4th surface side engaging small groove 22 Power transmission belt F Floor surface

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-59-41579 (JP, A) JP-A-8-177308 (JP, A) Actual opening 55-59062 (JP, U) Actual opening 61- 141475 (JP, U) (58) Fields surveyed (Int.Cl. ⁷ , DB name) E05D 15/06-15/06 125

Claims (2)

(57) [Claims] 1. A rail portion laterally provided above the opening is engaged with a roller portion of a door hanger fixedly provided at an upper portion of the door such that the roller portion can travel freely, and a lower portion of the door is a guide of a floor surface. In an automatic door device which is guided by rails and is driven to open and close an opening by the operation of a drive unit, a connecting member main body disposed laterally as one member of the door hanger has both lateral directions. The end side has a length that reaches at least the width long end side of the door, and the connecting member main body has a longitudinal direction facing the opening upper side,
A T-shaped engaging groove for a roller, which is composed of the first inner side engaging large groove and the first front side engaging small groove in communication, is provided between the first inner side engaging large groove and the pair of first retaining ridges. Then, by engaging the head of the roller nut or the roller bolt with the head portion of the roller nut or the roller bolt in the predetermined position in the longitudinal direction of the first rear side engagement large groove, the roller inserted into the roller bolt is rotated. It is not attachable so that it can be freely attached.
On the side opposite to the character-shaped engaging groove, a second inner side engaging large groove in the longitudinal direction, and a second front side communicating with the second inner side engaging large groove between the pair of second retaining ridges. A door attachment T-shaped engaging groove formed of an engaging small groove is opened, and a head of a door lifting nut or a door lifting bolt is provided at a required position in the longitudinal direction of the second back side engaging large groove. By engaging, the door can be fixed at a required high position by being clamped by the door lifting bolt and the door lifting nut that are inserted into the vertically long hole of the door mounting bracket that is mounted on the upper part of the door, further on the opposite side of the connecting member body, which also third communicating with the third inner side engagement fitting large grooves in the longitudinal direction, the third rear-side engagement fitting large groove between the pair of the third retaining protrusion the door lifting and lowering <br/> for T-shaped locking Hamamizo comprising a front engagement fitting small groove opened downward, longitudinal of the third rear-side engagement fitting large groove To the required location, while engaging the head of the door height adjusting nut or the door height adjusting bolt, in the notch in the height adjusting horizontal plate portion of the door attachment fitting attached to the door upper part, By vertically mounting the door height adjusting bolt, by screwing the door height adjusting bolt or the door height adjusting nut, the door attaching bracket can be moved up and down to adjust the height of the door. door hanger connecting member of the automatic door system being characterized in that the. 2. A rail portion laterally provided above the opening is engaged with a roller portion of a door hanger fixedly provided at an upper portion of the door such that the roller portion can travel freely, and a lower portion of the door is a guide of a floor surface. In an automatic door device which is guided by rails and is driven to open and close an opening by the operation of a drive unit, a connecting member main body disposed laterally as one member of the door hanger has both lateral directions. The end side has a length that reaches at least the width long end side of the door, and the connecting member main body has a longitudinal direction facing the opening upper side,
A T-shaped engaging groove for a roller, which is composed of the first inner side engaging large groove and the first front side engaging small groove in communication, is provided between the first inner side engaging large groove and the pair of first retaining ridges. Then, by engaging the head of the roller nut or the roller bolt with the head portion of the roller nut or the roller bolt in the predetermined position in the longitudinal direction of the first rear side engagement large groove, the roller inserted into the roller bolt is rotated. It is not attachable so that it can be freely attached.
On the side opposite to the character-shaped engaging groove, a second inner side engaging large groove in the longitudinal direction, and a second front side communicating with the second inner side engaging large groove between the pair of second retaining ridges. A door attachment T-shaped engaging groove formed of an engaging small groove is opened, and a head of a door lifting nut or a door lifting bolt is provided at a required position in the longitudinal direction of the second back side engaging large groove. The door can be fixed at the required high position by being clamped by the door lifting bolt and the door lifting nut that are inserted through the vertically long hole of the door mounting bracket that is mounted on the upper part of the door. Further, in the upper portion on the opposite side of the roller T-shaped engaging groove in the connecting member main body, a fourth inner side engaging large groove is also provided in the longitudinal direction between the pair of fourth retaining ridges. 4 A door mounting T-shaped engaging groove formed of a fourth front side engaging small groove communicating with the rear side engaging large opening groove is opened upward. The fourth back side engagement large groove contacts the drive pulley provided at the upper portion of the opening that is rotationally driven by the drive unit, so that the connecting member main body can travel in the longitudinal direction thereof. A connecting member for a door hanger of an automatic door device, characterized in that the belt-shaped body can be fitted in a state in which it does not come off.