JPH09143913A - Step - Google Patents

Abstract

PROBLEM TO BE SOLVED: To stably install a step in the step difference between a road and a footpath by providing a height adjusting means to the leg part which has been provided to the one side part of a step body of a flat-plate shape. SOLUTION: A step A is installed on a L-shaped groove B by adjusting the height adjusting screw 2b of the leg part 2 of the step A so as to fit the depth of the L-shaped groove B, so that the step difference between the step A and the L-shaped groove B is not caused. Even if the step body made of steel plate is deformed by a load and the leg part 2 is floated up, the play can be eliminated by finely adjusting the height of the leg part 2. Even if there is an unevenness in the surface of the L-shaped groove B, the play can be eliminated in the same manner. Thus, the step can be stably installed in the step difference between a road and a footpath.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to improvements in steps used, for example, to eliminate steps between roads and sidewalks.

[0002]

2. Description of the Related Art When an L-shaped groove (curb) 113 is provided between a road and a sidewalk or between a road and a public-private boundary,
Steps 110 are installed in the L-shaped groove (curb) 113 so as not to interfere with the entry and exit of cars (including bicycles and wheelbarrows) (FIG. 15). However, the conventional step 11
In the case of 0, the height of the leg portion 112 of the step body 111 cannot be adjusted. Therefore, even if the step 110 rattles due to the unevenness of the surface of the L-shaped groove (curb) 113, it cannot be solved. was there.

Since the size of the L-shaped groove (curb) 113 varies depending on the area, depending on the area where the groove is installed, the shape shown in FIG.
There is a problem that a step is formed between the step 110 and the L-shaped groove (curb) 113 as shown by the two-dot chain line.

On the other hand, when a side groove (U-shaped groove) is provided in place of the L-shaped groove (curb) 113, a groove lid must be installed in place of Step 110.
In addition to 0, manufacturing a groove lid has a problem of increasing the production cost.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and the object thereof is to provide a height adjusting means on a leg portion for stable installation. And to provide the side groove (U-shaped groove) with a step that can be used as a groove lid.

[0006]

The steps of claim 1 are:
In the step having the leg portion on one side of the flat step body, a screw hole is formed in the leg body protruding from the back surface of the step body, and a leg length adjusting screw is screwed into the screw hole,
It is characterized in that the leg length is adjusted by screwing the leg length adjusting screw forward and backward.

According to a second aspect of the present invention, in the step in which the leg portion is provided on one side portion of the flat plate-shaped step body, a plurality of mounting portions are provided with an appropriate gap provided between the one side portion and the other side portion of the step body. Are arranged in a row, and locking pieces projecting from the back surface of the step body are detachably attached to any of the attachment portions.

According to a third aspect of the present invention, in the step of the first aspect, a plurality of mounting portions are arranged in a row with an appropriate gap provided between one side portion and the other side portion of the step body, and from the rear surface of the step body. It is characterized in that a protruding locking piece is detachably attached to one of the attachment portions.

According to a fourth aspect of the present invention, in the step having the leg portions on both sides of the flat plate-shaped step body, a screw hole is formed in at least one leg portion, and a leg length adjusting screw is screwed into the screw hole, It is characterized in that the leg length is adjusted by screwing the leg length adjusting screw forward and backward.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION

Example 1 FIG. 1 is a plan view of step A in which bolts 5 and nuts 6 are omitted, and FIG. 2 is a front view in which part of step A is cut away, FIG.
[Fig. 4] is a rear view of step A in which the bolt 5 and the nut 6 are omitted.

The step A is constructed by attaching a leg block A1 and a locking piece 4 to the back side of the step body 1. The step body 1 is formed in a flat plate shape, and a plurality of mounting portions 3 are formed between one side portion and the other side portion of the step body 1 at appropriate intervals. Each mounting portion 3 is formed by mounting a plurality of mounting holes 3a (two in the drawing) in the lengthwise direction of the step body 1.

The leg block A1 is constructed by attaching a leg portion 2 to a leg attachment member 1a. Leg attachment 1a has a cross section
The bent piece 11a of the leg attachment member 1a is formed with a plurality of (two in the figure) elongated holes 12b in the lengthwise direction (FIGS. 1 and 3). The leg attachment material 1a is attached to the step body 1 with bolts 5 and nuts 6. The bolt 5 is inserted through the mounting hole 3a of the step body 1 and the long hole 12b of the leg mounting member 1a. Therefore,
The position of the leg 2 can be adjusted by loosening the nut 6
It is finely adjusted by the length of b.

The leg portion 2 is composed of a leg portion body 2a protruding from the back surface of the step body 1 and a leg length adjusting screw 2b. The leg body 2a is provided with a screw hole 2c, and the screw hole 2c is opened at the lower end surface of the leg body 2a. A height adjusting screw 2b is screwed into this screw hole 2c, and the height of the leg 2 can be adjusted by screwing the height adjusting screw 2b forward and backward.

Further, the head portion 2d of the height adjusting screw 2b is formed in a spherical shape so that the step A can be stably installed.

The locking piece 4 has an L-shaped cross section, and the locking piece 4
A plurality of bending pieces 4a are provided in the lengthwise direction (2 in the figure.
Individual) long holes 4b are formed. The locking piece 4 is attached to the step body 1 with bolts 5 and nuts 6, and the bolt 5 is inserted through the mounting hole 3a of the step body 1 and the long hole 4b of the locking piece 4. Therefore, the position of the locking piece 4 is finely adjusted by loosening the nut 6 by the length of the long hole 4b.

A step portion 7 is formed at both ends of the step body 1, and a screw hole 7a is formed at the bottom portion of the step portion 7. Reference numeral 8 denotes a connecting plate, and insertion holes 8a are provided at both ends of a strip-shaped connecting plate body 8b. A cushioning material 9 is attached to the other side portion of the step body 1.

If a light reflecting plate (derinator) is attached to the front surface or the side surface of the step body 1, the presence of step A may be notified by illuminating the light of a car or the like even at night.

FIGS. 4 and 5 show the installation state of the step A in the L-shaped groove (curb) B, and the height of the leg portion 2 of the step A according to the depth of the L-shaped groove (curb) B. By adjusting the adjusting screw 2b, no step is formed between the adjusting screw 2b and the L-shaped groove (curb) B. Therefore, even if the step body 1 made of a steel plate is deformed by the load and the leg portion 2 is lifted up, the rattling can be eliminated by finely adjusting the height of the leg portion 2.

Further, even if the surface of the L-shaped groove (curb) B has irregularities, rattling can be eliminated in the same manner.
At this time, by attaching the locking piece 4 to the mounting portion 3 located near the central portion of the step body 1, it does not interfere with the installation of step A, and the locking piece 4 functions as a reinforcing rib. The structure of A can be strengthened.

When connecting the steps A to each other, as shown in FIG. 4, the ends of the adjacent steps A are abutted against each other, the connecting plates 8 are fitted into the facing step portions 7, 7, and the screws 9 are screwed. The screw hole 7 is inserted through the through hole 8a of the connecting plate 8.
Screw into a.

FIG. 6 shows an installation state in the side groove (U-shaped groove) C when the step A is used as a groove lid. The position of the locking piece 4 is adjusted so that the distance between the leg portion 2 and the locking piece 4 matches the groove width H of the side groove (U-shaped groove) C. Therefore, when the step A is put on the side groove (U-shaped groove) C, the locking piece 4 and the leg portion 2 are respectively locked to the inner wall surface of the side groove (U-shaped groove) C as shown in FIG. It is possible to prevent A from shifting and falling into the side groove (U-shaped groove) C.

FIG. 7 shows an installation state of the step A in the narrow side groove (U-shaped groove) C. In this case, by attaching the leg portion 2 and the locking piece 4 to the inner attaching portion 3,
Step A is installed in a narrow side groove (U-shaped groove) C in a stable state.

The material of step A may be, for example, a casting, a steel plate, a concrete plate, a plastic plate or the like.

Second Embodiment FIG. 8 shows a second embodiment of the step A. In addition, in the present embodiment, the same configuration as that of the above-described first embodiment is adopted except for the following configuration, and therefore, the same reference numerals as those of the first embodiment are attached to FIG. 8 and the description of the same configuration is omitted. The head 2d of the height adjusting screw 2b in step A has a square shape which is usually commercially available, and the head 2d has a cap-shaped rubber cover 2A.
Is installed.

The cover 2A is formed with a recess 21A which matches the head 2d, and the surface of the cover 2A is curved. If such a configuration is adopted, even if there is some unevenness on the installation surface, the unevenness can be absorbed by the rubber cover 2A and step A can be installed in a stable state.

A wedge-shaped rubber cushioning material 2B is provided between the rear end of step A and the installation surface, and step A
It prevents rattling of the rear end.

Embodiment 3 Step A1 shown in FIGS. 9 to 14 is used to eliminate a large step of the stairs D. Legs 2 and 3 are formed on both sides of the flat plate-shaped step body 1.

One leg 2 is shown in FIGS. 10, 11 and 1.
3, the leg body 2a and the leg length adjusting means 2b are provided, and the leg body 2a of the leg 2 is formed shorter than the leg 3. The leg length adjusting means 2b is configured by screwing a leg length adjusting screw 22b into a nut 21b attached to the lower end of the leg body 2a.

Further, the head portion 23b of the leg length adjusting screw 22b
Are formed in a spherical shape that allows the step A1 to be installed stably. A cap-shaped rubber cover may be attached to the rectangular head 23b as in the second embodiment.

FIG. 14 shows a state in which step A1 is installed on the stairs D to reduce the step. If the installation surface of step A1 is uneven, the leg length adjusting screw 2b of the leg portion 2 of step A is adjusted. It eliminates the rattling of Step A.

[0031]

As is apparent from the above description, according to the steps of claim 1, by adjusting the leg length,
It can be installed stably. According to the step of claim 2, by mounting the locking piece near the central portion of the step body, the locking piece can function as a reinforcing rib to strengthen the structure of the step. The structure of the step can be strengthened by functioning as a reinforcing rib. On the other hand, if it is used as a groove lid, the locking piece can be locked to the inner wall surface of the U-shaped groove to prevent step shift and drop into the U-shaped groove.

According to the third aspect of the present invention, the leg length can be adjusted to eliminate the rattling of the step body, and the locking piece can be locked to the inner wall surface of the U-shaped groove. Can be prevented from falling. Further, according to the step of claim 4, the leg length is adjusted by screwing the leg length adjusting screw forward and backward to adjust the leg length, so that the stairs can be installed in a stable state and the step height of the stair can be reduced.

[Brief description of the drawings]

FIG. 1 is a plan view showing a first embodiment of steps of the present invention.

FIG. 2 is a front view of the embodiment.

FIG. 3 is a back view of the embodiment.

FIG. 4 is a perspective view showing a usage state of the embodiment.

FIG. 5 is a front view showing a usage state of the embodiment.

FIG. 6 is a front view showing a usage state of the embodiment.

FIG. 7 is a front view showing a usage state of the embodiment.

FIG. 8 is a front view showing a second embodiment of the steps of the present invention.

FIG. 9 is a plan view showing a third embodiment of the steps of the present invention.

FIG. 10 is a front view of the embodiment.

FIG. 11 is a side view of the embodiment.

FIG. 12 is a side view of the embodiment.

FIG. 13 is a perspective view of the same embodiment.

FIG. 14 is a perspective view showing a usage state of the embodiment.

FIG. 15 is a front view showing a usage state of a conventional step.

[Explanation of symbols]

 A step 1 step 2 leg 2a leg body 2b leg length adjusting screw 2c screw hole 3 mounting part 4 locking piece

Claims (4)

[Claims] 1. A step in which a leg portion is provided on one side of a flat plate-shaped step body, a screw hole is formed in the leg body protruding from the back surface of the step body, and a leg length adjusting screw is screwed into the screw hole. The step is characterized in that the leg length is adjusted by screwing or retreating the leg length adjusting screw. 2. A step having a leg portion on one side portion of a flat plate-shaped step body, wherein a plurality of mounting portions are provided in a row at an appropriate interval between one side portion and the other side portion of the step body, A step in which a locking piece projecting from the back surface of the step body is detachably attached to one of the attachment portions. 3. A step body is provided with a plurality of mounting portions arranged in a row with an appropriate interval between one side portion and the other side portion, and a locking piece protruding from the back surface of the step body is attached to one of the mounting portions. The step according to claim 1, wherein the step is detachably attached. 4. A step having leg portions on both sides of a flat plate-shaped step body, wherein a screw hole is formed in at least one of the leg portions, and a leg length adjusting screw is screwed into the screw hole, and the leg length adjusting screw is screwed. A step characterized by being configured to adjust the leg length by advancing / retreating.