JPH084404A - Hanging guide device for folding door - Google Patents

Abstract

PURPOSE:To facilitate attaching/detaching to/from a guide rail and enable lightweight, an inexpensive constitution with the simple structure of the guide rail. CONSTITUTION:A hanging guide roller unit 3 has a fitting plate 7 fitted to the inside of a folding door 2, a hanging base 9, hinge mechanism 8 for connecting both of them, and an elevating plate 11. A supporting horizontal shaft wheel 10 removably fitted to the rail part 5, having almost U-shaped cross section, of a guide rail 1, and a bracing vertical shaft roller 12 are journalled to the hanging base 9. Bracing vertical rollers 13a, 13b for holding the vertical wall part 5a of the rail part 5 from both inner and outer sides together with the roller 12 on the hanging base 9 side are journalled to the elevating plate 11. The rollers 13a, 13b on the elevating plate 11 side are positioned below the rail part 5 when the elevating plate 11 is in the descent limit position so as to enable the removal of the hanging guide roller unit 3 from the guide rail 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a folding door hanging guide device which is used as a means for opening and closing various storage furniture and an opening of a built-in storage cabinet.

[0002]

2. Description of the Related Art A folding door hanging guide device of this type includes a hanging guide roller unit mounted inside the upper part of the folding door, and a guide rail for movably hanging the folding door through the roller unit. However, the present inventor firstly, in order to smoothly move the folding door irrespective of the angle of the folding door, the roller unit is provided with a laterally outward cross-section of the guide rail. It has been proposed to provide one supporting horizontal shaft wheel that fits in the V-shaped rail portion and a plurality of steady rest vertical shaft rollers for restricting the direction of the wheel in the length direction of the guide rail.

In the folding door hanging guide device proposed above, therefore, the folding door to which the hanging guide roller unit is attached can be easily engaged with the guide rail through the roller unit. In order to ensure that the horizontal rail for support fits in the guide rail in a removable manner, the suspension rail section has a U-shaped cross section, and the steady rest that opens downward on the lower side of this suspension rail section. And the rail part for
The steady-state vertical shaft roller in the hanging guide roller unit is configured to be able to move up and down, and is configured to be vertically fittable with respect to the steady-state rail portion of the guide rail.

In the folding door hanging guide device having such a structure, it is necessary to form two rail portions having different directions on the guide rail, which complicates the structure and increases the amount of material to be used. There was a drawback that the cost was high.

[0005]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, the features of which will be described with reference numerals of embodiments described later in parentheses. As shown, it consists of a guide rail (1) and a hanging guide roller unit (3), and the guide rail (1) has a cross-section with a generally open section that opens laterally outward toward the side with the folding door (2). Roller unit (3) with hanging rail (5) for hanging guide
Is the mounting plate (7), hinge mechanism (8), and hanging board (9).
And one supporting horizontal axis wheel (10) and lifting plate (11)
And three or more steady vertical rollers (12, 13a, 13b), the mounting plate (7) is mounted inside the folding door (2), and the hinge mechanism (8) is mounted. The suspension board (9) is swingably supported inside the plate (7), and one supporting horizontal shaft wheel (10) is cantilevered inside the upper end of the suspension board (9). The guide plate (1) can be inserted into and removed from the rail part (5) of the guide rail (1), and the lifting plate (11) is mounted on the hanging board (9) so that it can be lifted and lowered within a certain range. The vertical shaft rollers (12, 13a, 13b) for stopping are separately supported by the suspension board (9) and the lifting plate (11), and the vertical shaft roller (12) on the suspension board (9) side is
When the supporting horizontal wheel (10) fits on the rail part (5) of the guide rail (1), it fits on the rail part (5) and the vertical wall part (5a) of the rail part (5). The vertical shaft rollers (13a, 13b) adjacent to the lifting plate (11) are located on the rail part (5) of the guide rail (1) when the lifting plate (11) is at the lower limit position.
It is characterized in that it is located below the vertical wall part (5a) of the rail part (5) and is adjacent to the outside of the vertical wall part (5a) of the rail part (5) when the lift plate (11) is lifted to the ascent limit position.

In carrying out the present invention, the rail portion (5) of the guide rail (1) has a lower end portion (5) of the vertical wall portion (5a).
It is desirable that b) is inclined obliquely to form a downward recess in the sectional shape.

Further, there is provided an elevator plate locking means (14) having a lockable tool (20) for locking the elevator plate (11) at the upper limit position, and the locker (20) is It consists of a leaf spring material with its lower end attached to the hanging board (9) and long in the vertical direction.
At the upper end of the locking tool (20), a locking portion (22) protruding into the lifting path of the lifting plate (11) via a through window (23) provided in the suspension board (9). The locking part (22) is formed and the lifting plate (11) is formed.
Can be configured so as to project from the through window (23) and receive the lower end of the lift plate (11) when it is raised to the lift limit position.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. In FIGS. 1 to 5, 1 is a guide rail, 2 is a folding door, and 3 is a hanging guide roller unit. . The guide rail 1 is composed of a horizontal mounting plate portion 4 and a rail portion 5 having a substantially U-shaped vertical cross section, which utilizes a part of the mounting plate portion 4 as an upper horizontal portion, and the rail portion 5 is a folding door 2 Folding door 2 so that it opens laterally outward to the side with
The mounting plate portion 4 is fixed by wood screws or the like to the duck material 6 that is horizontally attached to the lower side of the ceiling of the opening that is opened and closed by. The rail portion 5 will be described in more detail.
The lower end 5b of a is slanted outward so that it is positioned outward toward the lower side, and the lower end of the rail 5 is formed in a downward recess in the cross-sectional shape. In addition, the lower end portion 5b
At the tip of the lower horizontal portion 5c which is continuous with, a small upward protruding ridge 5d is continuously provided over the entire length.

As is well known in the art, the folding door 2 is formed by connecting two door bodies so as to be foldable by a hinge. When the folding door 2 is movable as a whole, upper portions of both ends in the moving direction of the folding door 2 are provided. In the type in which the folding guide roller unit 3 suspends the guide rail 1 and one end of the folding door 2 is hinged to an opening side frame such as a pillar, the other end of the folding door 2 (moves). The upper part of the side end) is suspended on the guide rail 1 by the suspension guide roller unit 3.

The suspension guide roller unit 3 includes a mounting plate 7, a hinge mechanism 8, a suspension board 9, a supporting horizontal shaft wheel 10, an elevating plate 11, and three steady rest vertical shafts. It is composed of rollers 12, 13a and 13b, and lift plate locking means 14. The mounting plate 7 has a U-shaped vertical cross section, and is fixed to the inner surface of the folding door 2 at its vertical plate portion 7a by a wood screw or the like. Hanging board 9
The upper and lower horizontal plate portions 9b and 9c are continuously provided from the vertical plate portion 9a so as to sandwich both the upper and lower horizontal plate portions 7b and 7c of the mounting plate 7, and the guide rail 1 is connected from the tip of the upper horizontal plate portion 9b.
The standing vertical plate portion 9d is continuously provided so as to be located outside the rail portion 5.

The hinge mechanism 8 includes a mounting plate 7 and a suspension board 9.
The hinge mechanism 8 of this embodiment uses two non-parallel link plates 15a and 15b as shown in FIG. One end of each of the link plates 15a and 15b is provided with vertical support shafts 16a and 16b that are installed between the upper and lower horizontal plate portions 7b and 7c of the mounting plate 7.
And the other ends of both link plates 15a and 15b are
It is loosely fitted and supported on vertical support shafts 17a and 17b which are provided between the upper and lower horizontal plate portions 9b and 9c of the suspension board 9.

One supporting horizontal shaft wheel 10 is cantilevered inside the rising vertical plate portion 9d of the hanging base plate 9 and is removably fitted to the rail portion 5 of the guide rail 1. It is a thing. One of the three steady-state vertical shaft rollers 12, 13a, 13b
The reference numeral 2 indicates a position adjacent to the supporting horizontal axis wheel 10 inside the rising vertical plate portion 9d of the hanging board 9, that is, the horizontal plate portion 9 bent and connected inward from the vertical plate portion 9d.
When the supporting horizontal shaft wheel 10 is fitted to the rail portion 5 of the guide rail 1 on the upper side of e, the steady rest vertical shaft roller 12 is fitted in the rail portion 5 and Adjacent to the vertical wall portion 5a of the portion 5.
The remaining two rollers 13a and 13b are axially supported on the upper side of the horizontal plate portion 11a that is bent inward from the upper end of the elevating plate 11 and symmetrically with respect to the previous roller 12.

The elevating plate 11 is provided inside the vertical plate portion 9a of the hanging board 9 and has an elongated hole 18 provided in the elevating plate 11 in the vertical direction and the hanging board 9 so as to penetrate the elongated hole 18. Upper and lower guide pins 1 fixed to the vertical plate portion 9a of the
9a and 19b are mounted so that they can be raised and lowered within a certain range. Then, when the elevation plate 11 is raised to the ascent limit position as shown in FIG. 1, the two steady-state vertical shaft rollers 13a and 13b reach substantially the same level as the previous steady-state vertical shaft roller 12. Ascend and guide rail 1
The vertical wall portion 5c is adjacent to the vertical wall portion 5c of the rail portion 5 and the vertical wall portion 5c is sandwiched by the precession preventing vertical shaft roller 12. In this state, the suspension board 9 is the guide rail 1
The supporting horizontal axis wheel 10 is held in a posture parallel to the direction, and the orientation of the supporting horizontal axis wheel 10 is parallel to the length direction of the guide rail 1.

As shown in FIG. 2, when the lifting plate 11 is lowered to the lower limit position, the two steady vertical axis rollers 13a,
Reference numeral 13b is lower than the rail portion 5 of the guide rail 1, and includes the supporting horizontal shaft wheel 10 and the steady rest vertical shaft roller 12 fitted to the rail portion 5,
It can be escaped from the rail portion 5 to the outside.

The lifting plate locking means 14 has a locking tool 20 for locking the lifting plate 11 at the upper limit position. This locking tool 2
0 is formed of a leaf spring member in the vertical direction, the lower end of which is fixed to the outside of the vertical plate portion 9a of the hanging board 9 (the side opposite to the side where the lifting plate 11 is located) with rivets 21, and the upper end of which is 0. The locking portion 22 bent in a gate shape is formed, and the suspension board 9 is formed.
In the vertical plate portion 9a in FIG.
A through window 23 is provided for projecting inward (on the side where the elevating plate 11 is located).

However, when the lifting plate 11 is lowered from the upper limit position, as shown in FIG. 2B, the locking portion 22 is pushed outward by the lifting plate 11 and the locking member ( The leaf spring material) 20 is distorted outward against the elasticity.
When the elevating plate 11 is raised to the upper limit position, FIG.
As shown in FIG. 5, the locking tool (leaf spring material) 20 elastically returns, the locking portion 22 projects from the through window 23, and receives the bent lower end portion 11b of the elevating plate 11. When lowering the lifting plate 11, the locking portion 22 is pushed with a fingertip to lift the lifting plate 11.
The lifting plate 11 may be pushed down using the bent lower end 11b in a state where the locking portion 22 is removed from the bent lower end 11b toward the through window 23 side.

In this embodiment, as shown in FIG. 5, the link plates 15a and 15b are loosely fitted to the vertical support shafts 17a and 17b on the suspension board 9 side so that the mounting plate 7 can be moved up and down. It is possible to move up and down together with the link plates 15a and 15b between the upper and lower horizontal plate portions 9b and 9c of the suspension board 9.
Thus, the vertical support shaft 17b on the suspension board 9 side that supports one end of the link plate 15b includes the flange portion 24 that supports the lower end of the link plate 15b and the screw shaft portion below the flange portion 24. 25, the screw shaft portion 25 is screwed through the lower horizontal plate portion 9 c of the suspension board 9 and is fixed by a lock nut 26.

Therefore, by loosening the lock nut 26 and rotating the screw shaft portion 25 to move the vertical support shaft 17b up and down with respect to the lower horizontal plate portion 9c of the hanging board 9, the flange portion 2
Mounting plate 7 via a link plate 15b supported by
Can be raised and lowered. By raising and lowering the mounting plate 7 with respect to the suspension board 9 in this way, the height of the folding door 2 suspended on the guide rail 1 via the suspension guide roller unit 3 can be adjusted. After adjusting the height, the lock nut 26 is fastened to fix the vertical support shaft 17b (the screw shaft portion 2
5) may be locked on the suspension board 9.

It should be noted that cushioning elastic members 27a and 27b such as rubber are fitted and fixed to both sides of the vertical plate portion 9a of the suspension board 9. The cushioning elastic materials 27a and 27b
3 and 4, when the suspension guide roller unit 3 suspending one end of the folding door 2 comes into contact with the side frame 28 of the opening opened and closed by the folding door 2. It is possible to prevent the suspension board 9 from directly contacting the side frame 28, or to fold the folding door 2 when both ends of the folding door 2 are suspended by the suspension guide roller unit 3. This serves to prevent the hanging substrates 9 of both roller units 3 from directly contacting each other when the units 3 are brought close to each other.

The folding door 2 is a roller unit 3 for hanging guide.
6 to 8, at a position just below the position where the guide rail 1 is hung via the guide rail 1, the guide rail 30 laid horizontally below the opening opened and closed by the folding door 2, Engage via the steady rest roller unit 31.

The steady-state roller unit 31 includes an attachment plate 32 attached to the inside of the folding door 2, a substrate 34 connected to the attachment plate 32 via a hinge mechanism 33 and capable of moving up and down within a certain range. A spring 35 for urging the substrate 34 downward, and a pair of steady rest vertical shaft rollers 36a, 36b pivotally supported on the lower side of the lower end of the substrate 34,
It is composed of one supporting horizontal shaft roller 37 axially supported inside the lower end of the substrate 34. Guide rail 30
Is a groove-shaped cross section buried in the upper surface of the sill 38,
A pair of steady-state vertical shaft rollers 36a and 36b are fitted to regulate the substrate 34 in a direction parallel to the guide rail 30. At this time, the supporting horizontal shaft roller 37 abuts on the edge portion 30a of the guide rail 30 at an intermediate position between the both steady vertical shaft rollers 36a and 36b, and regulates the height of the substrate 34.

Since the hinge mechanism 33 has the same structure as the hinge mechanism 8 in the hanging guide roller unit 3, the corresponding members are designated by the same reference numerals and the description thereof is omitted, but the link plates 15a and 15b are omitted. Cannot move up and down with respect to the mounting plate 32.
The vertical support shafts 17a and 17b fixed to the base plate 34 side for supporting on the four side are longer than the vertical widths of the link plates 15a and 15b, and the vertical support shafts 17a and 17b are connected to the link plate 1.
By being able to move up and down with respect to 5a and 15b, the substrate 34 can be moved up and down with respect to the mounting plate 32. A spring 35 for urging the base plate 34 downward is loosely fitted to the vertical support shafts 17a, 17b between the lower side of the link plates 15a, 15b and the base plate 34 therebelow.

The cushioning elastic members 39a, 39b attached to both sides of the substrate 34 have the same function as the cushioning elastic members 27a, 27b in the hanging guide roller unit 3. In the above embodiment, two non-parallel link plates 15a and 15b are used as the hinge mechanisms 8 and 33,
As shown by phantom lines in FIGS. 4 and 8, the folding door 2 can be folded and opened without contacting the side frame 28 with the side edges of the folding door 2 in the closed position overlapping the outside of the side frame 28. However, if it is not such an outset folding door, it is possible to use one general vertical pin for the mounting plate 7,3.
It may be a flat hinge type hinge mechanism that pivotally connects the substrate 2 and the substrates 9 and 34 in an openable and closable manner.

Further, as three or more steady-state vertical shaft rollers, one roller 12 is provided on the suspension board 9 side and the lifting plate 1 is provided.
Although the two rollers 13a and 13b are provided on one side, it is also possible to provide a total of four vertical shaft rollers for steadying, each two rollers 13a and 13b. In any case, these three or more rollers 12,
The arrangement of 13a and 13b restricts the suspension board 9 in a direction parallel to the length direction of the guide rail 1 when the vertical wall portion 5a of the rail portion 5 of the guide rail 1 is sandwiched by the rollers from inside and outside. Must be placed. Further, regarding the mechanism for guiding the lower part of the folding door 2, FIG.
The present invention is not limited to that shown in FIG. 8, and various conventionally known mechanisms can be adopted, for example.

In the folding door device constructed as described above, when the folding door 2 is set between the guide rails 1 and 30, the elevating plate 9 of the hanging guide roller unit 3 is lowered as shown in FIG. The supporting horizontal shaft wheel 10 and the steady rest vertical shaft roller 12 are fitted to the rail portion 5 of the guide rail 1 in a state where the supporting horizontal shaft wheel 10 and the steady horizontal shaft roller 12 are lowered to the lower side of the rail portion 5. Place on the horizontal part 5c. Then, the base plate 34 of the precession roller unit 31 under the folding door is lifted upward against the urging force of the spring 35, and the precession vertical shaft rollers 36a and 36b are positioned directly above the guide rail 30. , The vertical axis roller 3 for stopping steady by lowering the substrate 34 by the urging force of the spring 35.
6a and 36b are fitted to the guide rail 30, and the supporting horizontal shaft roller 37 is placed on the edge portion 30a of the guide rail 30.

Although the temporary suspension of the folding door 2 is completed by the above work, at this time, the small protrusion 5d in the rail portion 5 of the guide rail 1 prevents the supporting horizontal shaft wheel 10 from accidentally falling off the rail portion 5. To prevent. In such a temporary suspension state, as shown in FIG. 1, the lifting plate 9 is raised to the rising limit position, and the two steady-state vertical shaft rollers 1 on the lifting plate 9 side.
3a and 13b are adjacent to the inside of the vertical wall portion 5a of the rail portion 5 of the guide rail 1. At this time, even if the hanging board 9 is not parallel to the guide rail 1 due to the existence of the inclined lower end portion 5b of the rail portion vertical wall portion 5a, the rollers 13a and 13b are connected to the lower horizontal portion 5c of the rail portion 5c. It can be raised smoothly without getting caught in.

When the elevating plate 9 reaches the upper limit position, the elevating plate 9 is automatically locked at the upper limit position by the engaging portion 22 of the locking tool 20 of the elevating plate locking means 14. In such a state, the vertical wall portion 5a of the rail portion 5 of the guide rail 1 is provided with one steady vertical shaft roller 12 on the hanging board 9 side and two steady vertical shaft rollers 13a on the lifting plate 9 side. It is sandwiched between the inner side and the outer side by 13b, and the hanging board 9 is held in a direction parallel to the guide rail 1. Therefore, although the supporting horizontal axis wheel 10 is one, since the wheel 10 is held in the direction parallel to the length direction of the guide rail 1, the folding door 2 can be smoothly moved along the guide rail 1. Can be moved to.
Of course, the hinge mechanisms 8 and 33 can be used to fold and open the folding door 2 and vice versa.

When removing the folding door 2 from the guide rails 1 and 30, the engaging portion 22 of the lifting plate locking means 14 in the hanging guide roller unit 3 is pushed with a fingertip to remove it from the bent lower end portion 11b of the lifting plate 9. Then, the lift plate 9 is lowered to the lower limit position in a state where the lock of the lift plate 9 at the upper limit position is unlocked. As a result, as shown in FIG. 2, the two steady-state horizontal shaft rollers 13a and 13b on the elevating plate 9 side are lowered to a position lower than the rail portion 5 of the guide rail 1, so that the steady rest on the lower side of the folding door is provided. With the substrate 34 of the roller unit 31 being lifted against the urging force of the spring 35, and the steady vertical shaft rollers 36a and 36b being separated from the guide rails 30 upward, the folding door 2 is slightly lifted and the upper part is pulled forward. By pulling out the supporting horizontal shaft wheel 10 fitted to the rail portion 5 of the guide rail 1 and the steady rest vertical shaft roller 12 on the suspension board 9 side from the rail portion 5 good.

[0029]

The present invention can be implemented as described above, and according to the folding door hanging guide device of the present invention, the hanging guide having the supporting horizontal shaft wheel (10) is provided. substrate
3 or more vertical shaft rollers (12, 13a, for preventing steady) that regulate the direction of (9) in a direction parallel to the length direction of the guide rail (1).
13b) is arranged so as to sandwich the vertical wall portion (5a) of the rail portion (5) having a substantially U-shaped cross section into which the supporting horizontal axis wheel (10) is fitted from both inside and outside, so that the guide rail (1 ), It is sufficient to form only a hanging rail part (5) with a substantially U-shaped cross section into which the supporting horizontal shaft wheel (10) fits. Since it is not necessary to separately form the rail portion, the guide rail (1) can be configured to be lightweight and inexpensive.

Moreover, the supporting horizontal shaft wheel (10) and the steady vertical shaft roller (12) on the suspension board (9) side are fitted to the rail portion (5) of the guide rail (1). The vertical shaft rollers (12, 13a, 13b) for steadying can be set in place by simply raising the lift plate (11) to the upper limit position, and vice versa. The folding door (2) can be removed from the guide rail (1) simply by lowering it to the position.Therefore, a guide rail (1) should be provided with a detaching rail part to insert and remove the hanging guide roller unit (3). Even if it is not formed, the folding door (2) can be attached / detached to / from the guide rail (1) very easily and easily.

In particular, according to the second aspect of the invention, since the supporting horizontal shaft wheel (10) is one, the steady rest vertical shaft roller (12, 13a, 13b) is set at a predetermined position. The vertical board rollers (13a, 13b) on the side of the lift plate (11) are fixed in place even though the suspension board (9) is easily tilted with respect to the length direction of the guide rail (1). The lifting operation of the elevating plate (11) for setting on the rail can be smoothly performed without hooking the rollers (13a, 13b) on the lower end of the rail part (5).

Further, according to the third aspect of the present invention, when the lifting plate (11) is raised to the rising limit position and the steady-state vertical shaft rollers (13a, 13b) are set at predetermined positions, it is automatically set. Since the lifting plate (11) is locked by the locking tool (20) of the lifting plate locking means (14), no special locking operation is required. Also, when lowering the lifting plate (11) to remove the folding door (2) from the guide rail (1), simply push the locking part (22) of the locking tool (20) with a fingertip to lift the lifting plate (11). All you have to do is remove it from the locking position. Moreover, the locking means (20) can be simply and inexpensively constructed from the locking tool (20) made of one leaf spring material.

[Brief description of drawings]

FIG. 1 is a rear view (FIG. A) and a vertical cross-sectional side view (FIG. B) showing a state in which a suspension guide roller unit has been set on a guide rail.

FIG. 2 is a rear view (FIG. A) and a vertical cross-sectional side view (FIG. B) showing a state immediately before a suspension guide roller unit is set on a guide rail.

FIG. 3 is a cross-sectional plan view of a main part in a state where a folding door in a closed posture moves to a position adjacent to a side frame.

FIG. 4 is a cross-sectional plan view showing the hinge mechanism in the same state.

5 is a partially cutaway front view of FIG.

FIG. 6 is a partially longitudinal side view showing a steadying roller unit and a guide rail attached to a lower portion of a folding door.

7 is a partially cutaway front view of FIG.

8 is a cross-sectional plan view of FIG.

[Explanation of symbols]

 1 Guide Rail 2 Folding Door 3 Roller Unit for Suspension Guide 5 Rail Part with a U-shaped Cross Section 5a Vertical Wall Part of the Rail Part 5b Sloping Lower End Part of the Vertical Wall Part 7 Mounting Plate 8 Hinge Mechanism 9 Hanging Board 10 Horizontal shaft wheel for support 11 Lifting plate 12 Vertical shaft roller for steadying 13a Vertical shaft roller for steadying 13b Vertical shaft roller for steadying 14 Lifting plate locking means 15a Link plate 15b Link plate 20 Locking tool composed of leaf spring material 22 Locking part 23 Through window in which the locking part appears

Claims (3)

[Claims] 1. A cross section which comprises a guide rail (1) and a hanging guide roller unit (3), and the guide rail (1) opens laterally outward toward the side with the folding door (2). The suspension guide roller unit (3) has a substantially U-shaped rail part (5), and the suspension guide roller unit (3) includes a mounting plate (7), a hinge mechanism (8), a suspension board (9), and one support. It has a horizontal axis wheel (10), a lift plate (11), and three or more vertical shaft rollers (12, 13a, 13b) for steadying, and the mounting plate (7) is an upper part of the folding door (2). Mounted inside, the hinge mechanism (8) fits inside the mounting plate (7) and suspends the board (9).
The supporting horizontal shaft wheel (10) is cantilevered inside the upper end of the suspension board (9) to support the rail part (5) of the guide rail (1). ), The lift plate (11) is mounted on the suspension board (9) so that it can be lifted and lowered within a certain range, and three or more vertical shaft rollers (12, 13a, 13b) for steady rest are installed. , The suspended board (9) and the lift plate (11) are separately supported on the suspended board.
The vertical shaft roller (12) on the (9) side is supported by the supporting horizontal shaft wheel (1
When (0) fits on the rail part (5) of the guide rail (1), it fits on the rail part (5) and the rail part (5)
Vertical shaft roller on the lift plate (11) side adjacent to the vertical wall (5a) of
(13a, 13b) are below the rail part (5) of the guide rail (1) when the lift plate (11) is at the lower limit position, and the lift plate (11) is raised to the upper limit position. When rail part (5)
Adjacent to the outside of the vertical wall (5a) of the, is a folding door hanging guide device. 2. The rail portion (5) of the guide rail (1) is formed such that a lower end portion (5b) of a vertical wall portion (5a) of the guide rail (1) is obliquely inclined to form a downward recess in a sectional shape. The hanging guide device for a folding door according to Item 1. 3. A lift plate locking means (1) having a lock releaseable locking tool (20) for locking the lift plate (11) at the upper limit position.
4), the lock (20) is made of a leaf spring material with its lower end attached to the hanging board (9) and is long in the vertical direction, and the upper end of the lock (20) has a hanging board. A locking portion (22) is formed so as to project into the ascending / descending path of the lifting plate (11) via a through window (23) provided in (9). The folding door hanging guide device according to claim 1 or 2, wherein when the (11) is raised to a rising limit position, it projects from the through window (23) and receives the lower end of the lifting plate (11).