JP2003235721A - Curtain runner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a curtain runner which is made smoothly slidable to resist unbalanced wearing. <P>SOLUTION: The curtain runner A made of a synthetic resin comprises the first member 1 which comprises a bottom plate part 5 having a through-hole 4 formed at the center thereof and a cylindrical part 6 rising from the outer rim thereof and is freely slidably supported on a curtain rail B, the second member 2 which comprises a shaft part 9 with a large-diameter heaped part 8 formed on the lower end side thereof and a flange part 10 successively installed at the upper end thereof and is supported on the first member by inserting the shaft part through the through-hole from the upper side so as to be freely rotatable and swingable about the shaft center P to the first member and freely oscillate thereon and the third member 3 in which a hole 12 is so formed on the top surface thereof as to let the shaft part be inserted thereinto and an undercut part 13 is formed into the internal surface of the hole to be engaged with the large-diameter heaped part and is supported on the second member so as to be freely rotatable about the shaft center by inserting the shaft part into the hole. The curtain is suspended and supported on the third member. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a curtain runner.

[0002]

2. Description of the Related Art A first member slidably supported by a curtain rail and a second member rotatably supported around a shaft axis with respect to the first member are provided as a second member. BACKGROUND ART A curtain runner made of a synthetic resin that hangs and supports a curtain is already known.

In this type of curtain runner, when opening and closing the curtain, the curtain stretched in a straight line is folded in a zigzag pattern, or the curtain folded in a zigzag pattern is stretched in a straight line. When being extended, the rotational force applied to the curtain runner from the hook provided on the upper edge of the curtain is absorbed to some extent by the rotation of the second member around the axis with respect to the first member. There is an advantage that can be mitigated.

However, in the above conventional example, when the curtain is opened and closed, the second member is pulled in the longitudinal direction of the curtain rail by the curtain, so that the lower end of the first member is curtained by the second member. The first member inclines when pulled in the longitudinal direction of the rail, part of it floats up from the curtain rail, and due to the balance with the friction resistance of the curtain rail, it slides while oscillating in small steps, so it slides against the curtain rail. Not only is it not very smooth, and noise is likely to occur when sliding, but part of the first member (the part on the side opposite to the part that floats up from the curtain rail) makes strong contact with the curtain rail, causing uneven wear. Is likely to occur. In addition, the uneven wear hinders smooth sliding, which causes noise.

[0005]

SUMMARY OF THE INVENTION The present invention has been made to solve these problems, and an object of the present invention is to provide a curtain runner capable of smooth sliding and less likely to be unevenly worn.

[0006]

The technical means taken by the present invention to solve the above problems are as follows. That is, the curtain runner according to the invention as set forth in claim 1 comprises a bottom plate portion having a through hole formed in the center and a tubular portion rising from the outer edge of the bottom plate portion, and the first member slidably supported by the curtain rail. And a shaft portion in which a large-diameter raised portion is formed on the lower end side and a flange portion connected to the upper end thereof, and by inserting the shaft portion into the through hole from above, with respect to the first member A second member rotatably and swingably supported around an axis, a hole into which the shaft portion is inserted is formed on an upper surface, and an undercut portion that engages with the large-diameter raised portion is formed on an inner surface of the hole. By inserting the shaft portion into the hole, the third member is supported rotatably around the axis with respect to the second member, and the curtain is hung and supported by the third member. It is characterized by being configured.

According to the above structure, the curtain runner is divided into three members, that is, the first member, the second member, and the third member, and the third member rotates about the axis with respect to the second member. Not only does the second member rotate and swing around the axis with respect to the first member, so when opening and closing the curtain,
Even if the second member is pulled and tilted by the third member,
By swinging the second member with respect to the first member, it becomes difficult for the first member to float up from the curtain rail.

[0008] Moreover, it is provided at the upper edge of the curtain when the linearly stretched curtain is folded in a zigzag shape or when the zigzag folded curtain is linearly stretched and stretched. The rotating force applied to the curtain runner from the hooks is absorbed and relaxed more effectively by the rotation between the third member and the second member and the rotation between the second member and the first member. Will be.

Therefore, these enable a very smooth slide, and noise is unlikely to occur during the slide.
Occurrence of uneven wear is also suppressed.

Even if only the first member supported by the curtain rail is made of a soft resin such as urethane resin, soft polyester, or soft vinyl chloride in order to improve the sound deadening performance, sufficient tensile strength can be secured. For example, when the first member and the second member are integrated, if this is made of a soft resin such as urethane resin, the curtain can be opened and closed even if the third member is made of a hard resin such as polyacetal or polypropylene. There is a risk that the large-diameter raised portion of the shaft portion of the second member and the undercut portion of the third member may be disengaged from each other due to the pulling force when performing.

In this respect, according to the above construction, even if the first member is made of a soft resin such as urethane resin, soft polyester or soft vinyl chloride, the second member or the third member is made of a hard material such as polyacetal or polypropylene. If it is made of resin, there is no fear that the large-diameter raised portion of the shaft portion of the second member and the undercut portion of the third member will be disengaged by the tensile force when opening and closing the curtain. The first member has a bottom plate portion supported by the curtain rail, and the second member has a shaft portion inserted into the through hole of the bottom plate portion of the first member from above, thereby forming a flange portion of the second member. Since the second member is supported by the peripheral portion of the through hole of the bottom plate of the first member, there is no possibility that the second member will fall out of the first member.

Further, in the curtain runner according to the invention as defined in claim 2, an inclined ridge portion having an upper surface engageable with the flange portion of the second member is formed on the inner surface of the tubular portion of the first member,
It is characterized in that it is configured to prevent the first member from falling with respect to the second member.

According to the above construction, although the curtain runner is divided into the first member, the second member and the third member, it is easy to load the curtain runner onto the curtain rail. is there. That is, when the curtain runner is inserted from one end in the longitudinal direction of the curtain rail, when the first member is inserted into the hollow portion of the curtain rail and the shaft portion of the second member is fitted in the groove of the curtain rail,
By engaging the raised portion of the first member with the flange portion of the second member, the first member is supported by the second member and is prevented from falling further. It can be done easily.

[0014]

1 to 3 show the usage state of a curtain runner A according to the present invention, and FIG. 4 shows the constituent members of the curtain runner A. B is a curtain rail fixed to the ceiling surface and the like, and C is a curtain. The curtain C is detachably suspended and supported by the curtain runner A via a hook D attached to the upper edge of the curtain C and a metal ring E engaged with the curtain runner A.

As shown in FIG. 4, the curtain runner A is composed of a first member 1, a second member 2 and a third member 3. The first member 1 has a circular through hole 4 in the center.
It is composed of a circular bottom plate portion 5 in which is formed, and a circular tubular portion 6 rising from the outer edge thereof, and is slidably supported by the curtain rail B. The through hole 4 is formed in a taper shape that spreads downward, and the bottom plate portion 5 is formed.
The lower surface S is formed into a spherical or conical curved surface.
On the inner surface of the tubular portion 6 of the first member 1, an annular raised portion 7 having an inclined upper surface is formed at a position near the upper end thereof.

The second member 2 is composed of a cylindrical shaft portion 9 having a large-diameter raised portion 8 formed on the lower end side thereof and a disc-shaped flange portion 10 continuous with the upper end thereof. By inserting the above into the through hole 4 from above, as shown in FIG.
The first member 1 is supported so as to be rotatable and swingable around the axis P. The outer peripheral surface of the shaft portion 9 on the lower end side of the large-diameter raised portion 8 is formed in a tapered shape so as to be easily inserted into a hole 12 described later. A longitudinally elongated slit 11 penetrating in the diameter direction is formed on the side surface of the shaft portion 9 in order to facilitate the diameter-reduced deformation of the large-diameter raised portion 8 against the elastic restoring force.

The diameter of the flange portion 10 of the second member 2 is set to be smaller than the inner diameter of the tubular portion 6 of the first member 1, but slightly larger than the local inner diameter of the tubular portion 6 at the position of the raised portion 7. It is configured such that the flange portion 10 of the second member 2 is fitted into the tubular portion 6 by pushing the tubular portion 6 apart by the cam action of the inclined upper surface of the raised portion 7. Then, in the state before the curtain runner A is loaded on the curtain rail B, as shown in FIG. 6, the raised portion 7 engages with the flange portion 10 of the second member 2 so that the second member 2 is supported. It is configured to prevent the first member 1 from falling.

A circular hole 12 into which the shaft portion 9 is inserted is formed on the upper surface of the third member 3, and an undercut portion 13 which engages with the large-diameter raised portion 8 is formed on the inner surface of the hole 12. Has been done. Then, by inserting the shaft portion 9 into the hole 12 from above, the third member 3 is supported rotatably around the axis P with respect to the second member 2.

A lateral hole 14 for locking the ring E is formed at the lower end of the third member 3, and the curtain C is attached to the third member 3 via the ring E and the hook D. It is configured to be hung and supported. An opening 15 penetrating in the diametrical direction is formed in the intermediate portion of the third member 3 in the vertical direction, but this may be omitted.

In the illustrated embodiment, the first member 1, the second member 2 and the third member 3 are all injection molded products of synthetic resin. The material resins may be the same, but only the respective members or the first member 1 may be different resins. For example, in order to improve the sound deadening performance of the curtain runner A, the first member 1 is made of a low friction resin such as Teflon (registered trademark) or a urethane resin, a soft polyester,
If the second member 2 and the third member 3 are made of a soft resin such as soft vinyl chloride and the second member 3 and the third member 3 are made of a hard resin such as polyacetal or polypropylene, the sound absorbing performance and tensile strength can be secured at the same time.

According to the above construction, the curtain runner A
Is divided into three parts of a first member 1, a second member 2 and a third member 3, and as shown in FIG. 5, the third member 3 is arranged around the axis P with respect to the second member 2. Not only the second member 2 rotates but also the second member 2 rotates and swings around the axis P with respect to the first member 1. Therefore, when the curtain C is opened and closed, the second member 2 is pulled by the third member 3. Even when the second member 2 tilts with respect to the first member 1 in the range of the interchange gap between the through-hole 4 and the shaft 9 which are downwardly widened and tapered,
It becomes difficult for the first member 1 to float up from the curtain rail B.

Moreover, when the linearly stretched curtain C is folded in a zigzag shape, or when the zigzag folded curtain C is linearly stretched and stretched, the upper edge of the curtain C is expanded. The rotational force applied to the curtain runner A from the hook D provided in the section is the rotation between the third member 3 and the second member 2 and the rotation between the second member 2 and the first member 1. This effectively absorbs and relaxes the absorption.

Therefore, by these, very smooth sliding is possible, and noise is unlikely to occur during sliding,
Occurrence of uneven wear is also suppressed.

Even if only the first member 1 supported by the curtain rail B is made of a soft resin such as urethane resin, soft polyester or soft vinyl chloride in order to improve the sound deadening performance, the second member 2 and the second member 2 If the three members 3 are made of a hard resin such as polyacetal or polypropylene, the large-diameter raised portion 8 of the shaft portion 9 of the second member 2 and the third member 3 are pulled by the tensile force when opening and closing the curtain C. There is no risk of disengagement with the undercut portion 13, and high tensile performance and at the same time sufficient tensile strength can be secured.

Further, the curtain runner A is inserted from one end in the longitudinal direction of the curtain rail B, as shown in FIG. 5, the first member 1 is inserted into the hollow portion a of the curtain rail B, and the shaft portion 9 of the second member 2 is inserted. When the blade is loaded into the groove b of the curtain rail B, the raised portion 7 of the first member 1 engages with the flange portion 10 of the second member 2 as shown in FIG. Since the member 1 is supported by the second member 2 and is prevented from falling further, the curtain runner A is divided into three parts, that is, the first member 1, the second member 2 and the third member 3. Nevertheless, the work of loading the curtain runner A onto the curtain rail B can be easily performed.

[0026]

Since the present invention has the above-mentioned structure,
Smooth sliding is possible, and it is effective in preventing uneven wear.

[Brief description of drawings]

FIG. 1 is a vertical sectional side view showing a usage state of a curtain runner according to the present invention.

FIG. 2 is an enlarged view of a main part of the curtain runner in use.

FIG. 3 is an enlarged vertical side view of a main part of the curtain runner in use.

FIG. 4 is an exploded perspective view of a curtain runner.

FIG. 5 is an explanatory diagram of an operation.

FIG. 6 is an explanatory diagram of an operation.

[Explanation of symbols]

A ... Curtain runner, B ... Curtain rail, 1 ... First member, 2 ... Second member, 3 ... Third member, 4 ... Through hole, 5 ...
Bottom plate portion, 6 ... Cylindrical portion, 7 ... Raised portion, 9 ... Shaft portion, 10 ... Flange portion, 12 ... Hole, 13 ... Undercut portion.

Claims (2)

[Claims] 1. A first member composed of a bottom plate portion having a through hole formed in the center thereof and a tubular portion rising from an outer edge thereof, slidably supported by a curtain rail, and a large-diameter raised portion on a lower end side. A shaft portion formed with a shaft portion and a flange portion continuously provided at the upper end of the shaft portion. By inserting the shaft portion into the through hole from above, the first member is rotatable and swingable about the axis. A second member that is freely supported and a hole for inserting the shaft portion are formed on the upper surface, an undercut portion that engages with the large-diameter raised portion is formed on the inner surface of the hole, and the shaft portion is formed in the hole. By inserting, consisting of a third member rotatably supported around the axis with respect to the second member,
A curtain runner characterized in that a curtain is hung and supported by a third member. 2. An inner surface of the cylindrical portion of the first member is formed with a sloping ridge having an upper surface engageable with the flange portion of the second member,
The curtain runner according to claim 1, wherein the curtain runner is configured to prevent the first member from falling onto the second member.