JPH0211241B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an anti-slip device for preventing slipping and falling when walking on a slippery road surface such as a frozen road surface or a snow-covered road surface. Especially when walking on normal road surfaces or indoor floors, the anti-slip device is characterized by a structure that allows it to be easily reversed and stored in the recess provided in the heel. It concerns a stopper.

Conventionally, when walking on frozen or snowy roads, the sharp anti-slip part at the tip of the anti-slip metal fitting attached to the sole of the shoe is activated to exert an anti-slip effect.
On the other hand, Japanese Patent Laid-Open No. 48-27854 discloses a non-slip metal fitting that can store the non-slip part in a non-stepping area so that the non-slip part does not protrude from the ground surface of the sole when the non-slip effect is not required. It is disclosed in the official gazette, Utility Model Publication No. 51-50090, etc.

In the above technology, in order to obtain an anti-slip effect, the anti-slip part with a claw is retracted in the non-stepping part of the sole with the claw facing the sole side of the shoe, and the anti-slip part is grasped and raised 180 degrees. The claws are rotated so that they face the road surface, but disadvantages include the risk of injury from touching the sharp parts of the claws when grasping the non-slip part, and the difficulty of grasping when wearing gloves. It was hot.

The present invention solves the above-mentioned drawbacks of the conventional technology, and makes it possible to instantly change the anti-slip part having a pawl from the retracted state to the position where the pawl faces the road surface by simply pressing a lever. The company developed a new anti-slip device.

Hereinafter, the present invention will be explained in detail with reference to the drawings.
The drawings show an embodiment of the anti-slip device according to the present invention, in which Fig. 1 is a plan view of a retaining plate that holds the anti-slip part, Fig. 2 is a side view of the same, and Fig. 3 is a view of the non-slip part. A plan view of the sharp nail part facing up.
Fig. 4 is a side view of the lever, Fig. 5 is a plan view of the lever, Fig. 6 is a side view of the same, Fig. 7 is a plan view of the lever with the anti-slip part retracted when the anti-slip part is not required, and Fig. 8 is the same side view. A cross section taken along the line A-A, Figure 9 is a plan view of the stopper being removed from the upper edge of the shaft stopper when the lever is pressed and the stopper is about to start, and Figure 10 is a plan view of the case where an anti-slip effect is required. FIG. 11 is a plan view showing the state of the stopper; FIG. 11 is a sectional view taken along the line B-B in FIG.
12 and 13 are side views of other embodiments of the anti-slip device according to the present invention in a state in which the anti-slip portion is stored, and FIG. 14 is a side view of the anti-slip device according to the present invention shown in FIGS. 7 to 11. FIG. 15 is a plan view and a side view of the protective cover of the anti-slip part of the anti-slip tool.

In the drawing, reference numeral 1 denotes a holding plate, and shaft support parts 11 are provided perpendicularly to the plane of the holding plate 1 on both sides of the approximate center, and a shaft hole 12 is provided in the center of the shaft support part 11. It is provided. Reference numeral 13 indicates a lever holding portion provided close to the shaft hole 12 of the shaft support portion 11 of the holding plate 1, and reference numeral 14 indicates a recessed portion 8 provided in the heel of the sole of the shoe for fixing the anti-slip device according to the present invention. This is a fixing hole for 2 is a non-slip part made of a band-shaped body, which has direct parts at both ends bent into the shape of a horseshoe, and a curved part in the center, but it is not necessarily fixed in a perfect horseshoe shape. isn't it. An anti-slip pawl 21 with a pointed tip is provided on one side edge of the curved part, and can be used in all directions, i.e., in all directions, and a shaft fixing hole passing through the band near the end of the straight part. 22 are provided. A lever 3 is provided with a pushing portion 31 at one end, and a movable plate 32 for fixing a shaft stopper 33 and an engagement groove 35 are provided in a part of the lever 3. 4 is a shaft, and both ends of this shaft 4 are anti-slip parts 2.
It is fitted into the shaft fixing hole 22 and fixed so as to rotate together with the anti-slip part 2. Reference numeral 5 designates a torsion coil spring, one end 5a of which is inserted into the engagement groove 35 of the lever 3 and held firmly. 6 is a stopper fixed to the shaft 4, and the other end of the torsion coil spring 5 is locked.

In order to exhibit an anti-slip effect using the anti-slip device of the present invention having the above-described structure, a torsion coil spring 5 is passed through the shaft 4, and a part of the torsion coil spring 5 is fixed to the stopper 6 of the shaft 4, and then Pass the shaft 4 to which the stopper 6 is fixed through the shaft hole 12 of the holding plate 1, and then insert both ends of the shaft 4 into the shaft fixing hole 22 of the anti-slip part 2.
Both ends of the shaft 4 are fixed to the shaft fixing hole 22 of the anti-slip part 2 so that the shaft 4 is fitted into the anti-slip part 2 and rotates together with the anti-slip part 2.

Next, move one end 5a of the torsion coil spring 5 to the lever 3.
When the lever 3 is inserted into the engagement groove 35 of the lever 3 and the lever 3 is inserted into the lever holding portion 13 of the holding plate 1, the stopper 6 engages with the shaft stopper 33 of the lever 3 as shown in FIGS. 7 and 8.
The anti-slip part 2 is rotated so as to rest on the upper edge 34, the stopper 6 is hooked on the upper edge 34 of the shaft stopper piece 33, and the anti-slip part 2 is firmly fixed on the holding plate 1.

A non-slip device made of the above-mentioned components is provided on the heel and fixed in the fixing hole 14 in the concave portion 8 using rivets, screws, bolts and nuts, etc.

Next, as shown in FIG.
1 in the direction of arrow A, the shaft stopper 33 fixed to the moving plate 32 together with the lever 3 moves in the direction of arrow A together with the moving plate 32, so that the upper edge 34 of the shaft stopper 33 also moves The stopper 6 moves in the direction of arrow A, and the stopper 6 comes off the upper edge 34 of the shaft stopper 33, resulting in the state shown in FIG. When the section 2 rotates in the direction of arrow C, as shown in FIGS. 10 and 11.
As shown in the figure, the anti-slip part 2 rotates 180 degrees, causing the tips of the anti-slip claws 21 of the anti-slip part 2 to protrude from the ground surface 7 of the heel.

If you walk on a slippery road surface such as a frozen road or a snowy road while wearing the anti-slip device according to the present invention in the above-mentioned condition, the sharp tip of the anti-slip pawl 21 of the anti-slip part 2 will dig into the road surface. As a result, it is possible to prevent slipping in the front-rear direction and left-right direction, that is, in all directions when walking.

When the anti-slip effect is unnecessary, such as when walking on a normal road surface, grasp the anti-slip part 2 and rotate it in the opposite direction to the arrow C to release the stopper 6 as shown in Figs. 7 and 8. The anti-slip part 2 is fixed to the holding plate 1 by hooking it on the upper edge 34 of the shaft stopper 33.

By storing and holding the anti-slip part 2 in the heel concave part 8 by placing the anti-slip part 2 upside down in this way, the anti-slip claw 21 does not come into contact with the road surface, so there is no discomfort and the road surface is not damaged.

In the anti-slip tool according to the present invention, the anti-slip part 2 is firmly supported by the torsion coil spring 5, and the lever 3 is also inserted into and engaged with the torsion coil spring 5 by inserting and engaging one end 5a of the torsion coil spring 5 into the engagement groove 35.
It can be held in a predetermined position at all times by using the torsional force of the

The shaft stopper piece 33 uses a spring plate, and when the shaft 4 is rotated when the anti-slip portion 2 is rotated and stored and held in the heel recess 8 of the sole, the stopper 6
rotates while pushing the shaft stopper 33 at the same time, and when the stopper 6 reaches the upper edge 34 of the shaft stopper 33 as shown in FIG.
This is advantageous because the upper edge 34 side returns to the shaft 4 side, so that the stopper 6 is completely hooked and placed on the upper edge 34 of the shaft stopper piece 33.

Further, the shape of the shaft support part 11 provided on the holding plate 1 is not limited as long as it can support the shaft 4, and the position of the shaft support part 11 is also limited to the first position.
As shown in FIGS. 2 and 2, the holding plate 1 may be recessed approximately in the center, and may be provided at one end of the recessed portion.
Further, as shown in FIGS. 12 and 13, two portions may be bent or attached at either side of the holding plate 1 in the same direction so as to face each other.

The lever holding part 13 is located at a position where the lever 3 does not interfere with the rotation of the shaft 4 and is located in the shaft hole 1 of the shaft support part 11.
It is sufficient that the lever 3 is located close to the lever 2 and in a position where it is easy to push the pushing part 31 of the lever 3 to be inserted. The lever holding portion 1 is provided with a protrusion 13a.
Alternatively, as shown in FIG. 13, the lever holding portion 13 may have a hole shape through which the lever 3 can be passed through the shaft support portion 11.

Furthermore, in order to exert the anti-slip effect, there is no need to grasp the anti-slip part 2; just by pressing the push part 31 of the lever 3, the anti-slip part 2 is automatically rotated and the anti-slip claw 21 is moved away from the ground surface 7. It can be made to stand out. The planar shape of the anti-slip portion 2 may be any of a horseshoe shape, a U-shape, a square shape, and a semicircular shape, as long as it is easy to provide the anti-slip pawl 21 thereon.

Also, when grasping the anti-slip part 2, the anti-slip claw 21
The tip of the anti-slip part 2 has a sharp point, so if you touch the sharp part with your finger, you may get injured, and if you are wearing gloves, it will be difficult to grasp.
It is convenient to provide a knob 23 as shown in FIG. Of course, when the anti-slip part 2 is fixed, it may be bent diagonally to a height that does not protrude from the heel contact surface of the shoe sole, or it may be flat. .

In order to prevent damage to the shaft 4, torsion spring 5, and stopper 6, and to prevent foreign matter such as snowflakes from adhering to the vicinity of the shaft, a protective cover 9 as shown in FIGS. 14 and 15 is placed over the holding plate 1. It is convenient to cover it.

The anti-slip device according to the present invention is fixedly held in the heel recess 8 by a fixing device passed through a fixing hole 14 formed in the holding plate 1, and the fixing device used in this case This includes both a completely fixed type using caulking rivets and a type using removable screws, bolts and nuts.

As detailed above, the footwear in which the anti-slip device according to the present invention is fixedly held in the heel concave portion 8 can be prevented from slipping by simply pressing the lever 3 when walking on a slippery road surface such as a frozen road surface or a snow-covered road surface. The claws 21 can be arranged to face the road surface, and can exhibit an anti-slip effect in the front-rear direction and left-right direction of walking, that is, in all directions, and can also be used on ordinary road surfaces and indoor floor surfaces. When walking, the anti-slip part 2 is turned upside down and stored in the heel concave part 8, which has the advantage of making it possible to walk without any difference from normal heels. .

[Brief explanation of drawings]

The drawings show an embodiment of the anti-slip device according to the present invention, and FIG. 1 is a plan view of a retaining plate that holds the anti-slip part, FIG. 2 is a side view of the same, and FIG. 3 is a view of the non-slip part. Top view with the sharp nails facing up,
Fig. 4 is a side view of the lever, Fig. 5 is a plan view of the lever, Fig. 6 is a side view of the same, Fig. 7 is a plan view of the lever with the anti-slip part retracted when the anti-slip part is not required, and Fig. 8 is the same side view. A sectional view taken along the line A-A, Fig. 9 is a plan view when the stopper has been removed from the upper edge of the shaft stopper by pressing the lever and is about to start, and Fig. 10 is a plan view when the stopper is in the starting state when an anti-slip effect is required. A plan view showing the state of the anti-slip device,
FIG. 11 is a sectional view taken along the line BB in FIG. 10 showing the anti-slip device fixed in the heel recess, and FIGS. 12 and 13 show other embodiments of the anti-slip device according to the present invention. FIG. 14 is a plan view of the protective cover of the anti-slip part of the anti-slip tool according to the present invention shown in FIGS. 7 to 11, and FIG. 15 is a side view of the same with the non-slip part stored. It is. In the figure, 1... Holding plate, 11... Shaft support part, 12
...Shaft hole, 13...Lever holding part, 14...Fixing hole, 13a...Protrusion, 2...Slip prevention part, 21...
...Anti-slip claw, 22...Shaft fixing hole, 23...Knob, 3...Lever, 31...Pushing part, 32...
Moving plate, 33... Shaft stopper, 34... Upper edge of shaft stopper, 35... Engagement groove, 4... Shaft, 5... Torsion coil spring, 5a... One end of torsion coil spring, 6...
Stopper, 7... Heel contact surface, 8... Heel recess, 9... Protective cover.

Claims (1)

[Scope of Claims] 1. Two levers are held close to the shaft holes 12 of the shaft support parts 11, which are provided on both sides of the holding plate 1 in two opposite directions perpendicularly to the plane of the holding plate 1 and in the same direction. Part 1
3 are provided at both ends of the shaft 4, which has both ends rotatably inserted into a shaft hole 12 bored through the shaft support part 11 of the holding plate 1, and has a torsion coil spring 5 and a stopper 6. A shaft fixing hole 22 is bored in the straight parts at both ends of a band-like body bent into a horseshoe shape, and an omnidirectional non-slip claw 21 with a pointed tip is provided on one side edge of the curved part. The shaft fixing hole 22 of the stopper part 2 is fixed, and one end 5a of the torsion coil spring 5 is engaged with an engagement groove 35 formed in the lever 3 inserted into the lever holding part 13 provided on the holding plate 1. and lever 3
The stopper 6 provided on the shaft 4 is hooked onto the shaft stopper 33 fixed to the lever 3 to fix the anti-slip portion 2 to the holding plate 1.
When the stopper 6 is disengaged from the shaft stopper 33 of the lever 3 by pressing , the torsional force of the torsion coil spring 5 causes the non-slip portion 2 to rotate 180 degrees about the shaft 4 and release the claw. An anti-slip device to be installed in a heel concavity, characterized in that 21 is provided with a crosspiece structure facing the road surface. 2 A knob 23 is attached to a part of the curved part of the anti-slip part 2.
The anti-slip device according to claim 1, wherein the anti-slip device is provided with: 3. The anti-slip device according to claim 1 or 2, wherein a protective cover 9 is attached on the holding plate 1. 4. The anti-slip device according to any one of claims 1 to 3, wherein the lever 3 is provided with a push portion 31 at one end thereof.