JP2001152635A - Recessed corner member for stairs - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a recessed corner member for stairs, which can absorb errors in angle made by a tread surface with the riser surface of the stairs and inclination of the riser surface, so as to be arranged rigidly with precision, at a recessed corner portion defined by the tread surface and the riser surface, and has not only good finish appearance but also does not decrease effective area of the tread surface. SOLUTION: A horizontal fixture portion 3 with respect to the tread surface of the stairs, a vertical fixture portion 3 with respect to the rise surface of the stairs, and an inclined portion 4 connecting the front edge of the horizontal fixture portion 2 and the upper end of the vertical fixture portion 3 together, are formed of synthetic resin, and they are integrally molded into a corner member 1. A hollow portion 5 is formed in a rear surface of the inclined portion 4 to open between the rear end of the horizontal fixture portion 2 and the lower end of the vertical fixture portion 3, by which the hollow portion 5 imparts flexibility to the inclined portion 4, whereby the angle which the horizontal fixture portion 2 forms with the vertical fixture portion 3 is made variable.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a corner member for preventing dust and the like from being accumulated in a corner formed by a tread surface and a step surface of a stair.

[0002]

2. Description of the Related Art In a staircase of a building, a tread surface and an upper surface of a stair are alternately arranged, so that dust and the like easily accumulate in a corner formed by the tread surface and the upper surface of the stair, and the accumulated dust is removed. It takes time and effort.

For this reason, conventionally, a corner member having a substantially triangular cross section has been attached to a corner formed by the tread surface of the stairs and the upper surface of the step to prevent accumulation of dust and the like at the corner. .

A conventional corner member is formed in a bar shape having a substantially right-angled triangular cross section using wood or synthetic resin, and two right-angled surfaces are overlapped and fixed at the entry corners of the tread surface and the kick surface. By filling in the corners between the tread surface and the kick surface, dust and the like are prevented from accumulating in the corners.

[0005]

By the way, the step surface of the stairs and the upper surface of the stairs are generally constructed so as to have a right-angled relationship. In addition, there is a case where the kick surface is intentionally inclined slightly forward. In the condition where the slope cannot be absorbed and the kick surface is inclined backward, a gap is created between the kick surface and the upper end of the corner member when attached to the entry corner, and the finish looks In addition to being unsightly, there arises a problem that dust and the like enter the gap.

[0006] Further, when the upper surface of the kick is inclined forward,
The corner member is located closer to the front from the corner than the predetermined position, which causes a disadvantage that the effective area of the tread surface is reduced.

In view of the above, the present invention has been made in view of the above points, and absorbs even if there is an error in the angle between the tread surface of the stairs and the kick surface or the kick surface is inclined. Providing corner corners for stairs that can be fixed to the corners between the tread surface and the upper surface in a neat arrangement, not only has a good appearance but also does not reduce the effective area of the tread surface Is to do.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the invention according to claim 1 is directed to a horizontal fixing portion for a step surface of a stair, a vertical fixing portion for a step surface of a stair, and a horizontal fixing portion. An inclined portion connecting the front end and the upper end of the vertical fixing portion is integrally formed of synthetic resin, and a hollow portion is formed on the back side of the inclined portion to open between the rear end of the horizontal fixing portion and the lower end of the vertical fixing portion. The hollow portion has a configuration in which the inclined portion is provided with flexibility to change the arrangement angle of the horizontal fixing portion and the vertical fixing portion.

According to a second aspect of the present invention, in the first aspect of the present invention, the rear end of the horizontal fixing portion is formed at an acute angle serving as a positioning portion which comes into contact with the tread surface of the stairs and the entering corner of the kick surface. The configuration is adopted.

[0010]

Embodiments of the present invention will be described below with reference to the drawings.

As shown in the figure, the corner member 1 comprises a horizontal fixing portion 2 for the tread surface B of the stairs A, a vertical fixing portion 3 for the rise surface C of the stairs A, a tip of the horizontal fixing portion 2 and the vertical fixing portion 3. And an inclined part 4 connecting the upper end of the horizontal fixed part 2 is formed integrally with a synthetic resin, and a hollow part 5 opened between the rear end of the horizontal fixed part 2 and the lower end of the vertical fixed part 3 is formed on the back side of the inclined part 4. The hollow portion 5 has a structure in which the inclined portion 4 is provided with flexibility to change the arrangement angle of the horizontal fixing portion 2 and the vertical fixing portion 3.

The corner member 1 is formed to be longer than the width of the stairs by extrusion molding of a synthetic resin, and is cut to a length corresponding to the width of the stairs A by cutting with a blade at the time of use. The type of the synthetic resin used for forming the corner member 1 is not limited as long as it is flexible, and the color can be freely selected.

The horizontal fixing portion 2 and the vertical fixing portion 3 have a substantially thin strip shape, and an adhesive is applied to the entire lower surface of the horizontal fixing portion 2 and the entire back surface of the vertical fixing portion 3 or a double-sided adhesive tape is applied. 6, the horizontal fixing part 2 and the vertical fixing part 3 are connected at the inclined part 4 so that they are arranged at right angles during molding, and are vertically fixed to the rear end of the horizontal fixing part 2. The space between the lower end of the portion 3 is open.

The inclined portion 4 is formed on an arcuate curved outer surface which is recessed with respect to a line connecting the tip of the horizontal fixing portion 2 and the upper end of the vertical fixing portion 3, so that dust on the upper portion is easily slid down. In addition to the above, the hollow portion 5 formed on the back side provides flexibility by providing a thin portion or a plate-shaped uniform thickness portion in a part of the inclined portion 4. . The rear end of the horizontal fixing part 2 is located on an extension of the back surface of the vertical fixing part 3. This rear end is a positioning portion that comes into contact with the tread surface B of the stairs A and the entry corner D of the kick surface C,
Although it may be perpendicular to the plane direction of the horizontal fixing part 2, as shown in the figure, if it is formed at an acute angle that is inclined upward from the lower surface toward the hollow part 5, the corner between the tread surface B of the stairs A and the kick surface C is formed. The sharp rear end of the horizontal fixing portion 2 can be reliably brought into contact with the portion D, and the positioning of the horizontal fixing portion 2 to the entry corner D when the corner member 1 is attached can be performed accurately.

FIGS. 1 and 2 show a first example of a hollow portion 5 formed on the back side of the inclined portion 4, and a portion of the hollow portion 5 located on the back side of the inclined portion 4 is shown in FIG. The hollow portion 5 is formed in a substantially triangular cross section as an arc along the arcuate curved outer surface, and the inclined portion 4 is formed in a plate-like uniform thickness.

FIG. 3 shows a second example of a hollow portion 5 formed on the back side of the inclined portion 4. The hollow portion 5 has a substantially circular cross section, and the inclined portion 4 has a thinner portion. It has a certain structure.

The corner member according to the present invention is configured as described above. After cutting the corner member 1 to a length corresponding to the width of the stairs A, the corner member 1 is connected to the tread surface B of the stairs A and the kick surface. C, the adhesive of the horizontal fixing part 2 or the peeling paper of the double-sided adhesive tape 6 is peeled off, and the rear end of the horizontal fixing part 2 is set at the corner D of the tread surface B and the upper surface C. In the abutted state, the horizontal fixing portion 2 is bonded and fixed to the tread surface B, and then the adhesive of the vertical fixing portion 3 or the release paper of the double-sided adhesive tape 6 is peeled off, and the vertical fixing portion 3 is kicked. The adhesive is fixed to the upper surface C.

As described above, when the corner member 1 is attached to the entry corner D of each tread surface B of the stairs A and the kick surface C, the corner member 1 fills the entry corner D, and Dust can be prevented from accumulating in the corners D, and the stairs A can be easily cleaned.

Here, when the corner member 1 is attached to the entry corner D, the angle between the tread surface B of the staircase A and the kick surface C is not necessarily finished at a right angle, and as shown in FIG. It may be inclined or inclined backward as shown in FIG.

In the corner member 1 of the present invention, a hollow portion 5 is formed on the back side of the inclined portion 4 connecting the tip of the horizontal fixed portion 2 and the upper end of the vertical fixed portion 3, and the hollow portion 5 inclines. Since the portion 4 is provided with the flexibility to change the arrangement angle of the horizontal fixing portion 2 and the vertical fixing portion 3, the corner member 1 is provided at the tread surface B of the stairs A and the corner D at the entry surface C of the kick surface C. At the time of attachment, even if the upper surface C is inclined forward or backward, as shown in FIGS. 5 and 6, the flexibility of the inclined portion 4 causes the horizontal fixing portion 2 to be placed on the tread surface B, and The vertical fixing portion 3 can be securely adhered along the kick surface C, and a gap can be formed between the upper end of the vertical fixing portion 3 and the kick surface C, or the horizontal fixing portion 2 can be inserted from the corner D to the front. It is possible to reliably prevent the state from jumping out.

[0021]

As described above, according to the present invention, the horizontal fixing portion, the vertical fixing portion, and the inclined portion connecting the tip of the horizontal fixing portion and the upper end of the vertical fixing portion are integrally formed of synthetic resin to form a corner. A member is formed, and a hollow portion is formed on the back side of the inclined portion to be opened between a rear end of the horizontal fixed portion and a lower end of the vertical fixed portion. The hollow portion forms a horizontal fixed portion and a vertical fixed portion on the inclined portion. The flexibility to change the arrangement angle of the stairs has been added, so it can be attached to
In addition to reliably preventing dust from accumulating in the corners, the flexibility of the inclined part allows the horizontal and vertical fixing parts to be arranged at variable angles, so that the top surface of the tread surface can be adjusted. Can be fixed to the tread surface and the inside corner of the kick surface by absorbing it even if it is tilted forward or backward other than right angle, and between the upper end of the vertical fixing part and the kick surface Since there is no gap in the end, not only is the appearance of the finish good, but also the rear end of the horizontal fixing part can be reliably brought into contact with the entering corner, and the horizontal fixing part does not protrude forward from the entering corner. Therefore, the effective area of the tread is not reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first example of a corner member.

FIG. 2 is an end view showing a first example of a corner member;

FIG. 3 is an end view showing a second example of a corner member;

FIG. 4 is a perspective view of a use state in which the corner member of the first example is attached to a staircase.

FIG. 5 is a cross-sectional view showing a state in which the corner member of the first example is attached when the upper surface of the stairs is inclined forward;

FIG. 6 is a cross-sectional view showing a state where the corner member of the first example is attached when the upper surface of the stairs is inclined backward;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Corner member 2 Horizontal fixing part 3 Vertical fixing part 4 Inclined part 5 Hollow part 6 Double-sided adhesive tape A Stair A B Tread surface C Kicking surface D Entering corner

Claims (2)

[Claims] 1. A horizontal fixing portion for a tread surface of a stair, a vertical fixing portion for a stair surface, and an inclined portion connecting a tip of the horizontal fixing portion and an upper end of the vertical fixing portion are integrally formed of synthetic resin. On the back side of the inclined portion, a hollow portion is formed which is opened between the rear end of the horizontal fixed portion and the lower end of the vertical fixed portion, and the hollow portion allows the inclined portion to be disposed at an angle between the horizontal fixed portion and the vertical fixed portion. A corner member of a staircase, wherein the corner member is provided with flexibility to make the variable. 2. The staircase according to claim 1, wherein the rear end of the horizontal fixing portion is formed at an acute angle to be a positioning portion that comes into contact with a tread surface of the staircase and a corner portion of a riser surface. Corner material of the corner.