JPS59192611A - Anti-skid device of tyre of automobile - Google Patents

Abstract

PURPOSE:To prevent both spike pins and road face from wear by planting the spike pins on a resilient band ring with the tops thereof projected a trifle and engaging the resilient band ring in the circumferential annular groove which is made on the grounding part of a tyre. CONSTITUTION:An annular groove 2 is continuously made on the grounding part of a tyre 1 in the circumferential direction thereof. A resilient band ring 3 is fitted in the annular groove 2. Spike pins 4 are planted in the resilient band ring 3 in such a manner that the tops each are projected a little higher than the grounding face of the tyre. Since the spike pins 4 are made projected and retracted therefrom by the potential resilient force of the resilient band ring 3, the spike pins do not include any possibility of damaging the face, if the tyre runs on a hard road face.

Description

[Detailed Description of the Invention] Wrapping tires (= chains) when driving on winter roads in snowy areas is extremely troublesome.

For this reason, spiked tires were developed and started to be used, but these also have the disadvantage that the studs tend to wear out easily, reducing the anti-slip effect, and eventually requiring the use of chains.

The present invention uses a rubber C that is more flexible than tire rubber that is not attached directly to the rubber layer of the tire as a spike pin, but is attached separately.
An anti-slip device for automobile tires employing a new anti-slip method in which spike bins are installed (this is the second type of anti-slip device, the construction of which is shown in the accompanying drawings will be described in detail below).

An annular groove (2) is provided in the circumferential direction (= an annular groove (2)) in the ground contact area of the tire (1).An elastic band ring (3) having a depth approximately equal to the two grooves is fitted into the annular groove (2).

Although the drawing shows a case in which two elastic band rings (3) are provided in the center of the tire (1), it is preferable to prevent the elastic band rings (3) from being damaged even if they are arranged in multiple rows.

A spike bottle (4) is installed on this elastic band ring (3) with the top slightly protruding from the tire contact surface.

Although the drawing shows a case in which the spike bins (4) are provided in a staggered manner, various arrangements M such as a center-to-outer type, a left-right symmetrical type, and a scattered type can be designed.

A buffer gap (5) is formed between the inner surface of the elastic band ring (3) located below the spike bottle (4) and the bottom surface of the groove.

The spike bin of a conventional spiked tire has a flange attached to the base of the spike pin fixed to the middle part of the rubber layer of the tire.

The same goes for tubeless spike tires.

In the case of tennybless tires, there are two ways to use them: when they are used as spiked tires and when they are not used (in order to differentiate between the two uses, a method is adopted in which spike pins are driven into the tewneyless tires afterwards).

To do this, a hole is drilled into the middle of the rubber layer, and a hole is also made to accommodate the spike pin, and the spike pin is driven into the hole to secure it in place.

Such spiked tires have a spike pin that protrudes from the ground surface, which exerts an anti-slip effect by digging into, scraping, and kicking the tips of the spike pins on hard snowy roads (i.e., digging into, scraping, and kicking); 2) The elasticity of the rubber itself of the rubber layer of the tire (2) allows the protruding tip to be recessed (2) so that it does not become a nuisance (=2) to prevent it from becoming a nuisance (=2) to prevent it from becoming a nuisance when encountered.

However, the rubber of the tire is still hard due to its elasticity, so the protruding and retracting action cannot be carried out smoothly, resulting in the disadvantage that the tips of the spike pins wear out, and at the same time, they also scrape the road surface, causing the road surface to become rough. .

In this respect, the present invention provides a ground contact portion (two circumferential directions) of the tire (1).
Two annular grooves (2) are provided, two elastic band rings (3) with substantially equal groove depths are fitted into the annular grooves (2), and one elastic band ring (3) and one spike pin (4) are fitted into the annular grooves (2). Since the top of the tire is planted with the top slightly protruding from the tire's contact surface, it is similar to conventional spike tires. It will scratch the surface, and the anti-slip effect is the same as that of conventional spiked tires, so it should have sufficient anti-slip effect.1
:Become.

On a reefy road surface with no snow (-), instead of the elasticity of the hard rubber layer causing the protruding tip of the spike bin (4) to sink, the elastic band ring (3), which is softer than the rubber layer, has its own elasticity. Since the spike pins are designed to cause the tires to crash and sink, the spike pins have a better crashing effect than conventional spiked tires, and they do not damage the road surface even when driving on a hard road surface (second reason).

Furthermore, when a buffering gap (5) is formed between the inner surface of the elastic band ring (3) located below the spike pin (4) and the bottom surface of the groove, the spike pin (4)
) protrudes and sinks due to its own elasticity, and at the same time further (= buffering gap (5
) The existence of (2) the effect of indenting by this buffer gap (5) is added, so the immersion effect is performed extremely well, making driving on a road surface without lightning even smoother, and similarly (2) there is no possibility of damaging the road surface. It exhibits many excellent features, such as the fact that the spike pin (4) can be used for a long time.

[Brief explanation of drawings]

Figure 1 is a partially cutaway front view of the tire, and Figure 2 is a partially cutaway front view of the tire. Figure 3. FIGS. 4 and 5 are side views of the main parts of the tire. (1)°・Tire, (2)・Annular ~, (3)・Elastic band ring, (4)・Spike pin, (5)・Buffer gap〇″7ztta 7′y/gi3 7g Loss α 1

Claims (1)

[Scope of Claims] 1. Ground contact area of tire (two circumferential directions (two annular grooves are provided),
This annular groove and two grooves are fitted with an elastic band ring with approximately equal depth, and the top of the elastic band ring is implanted with the top of the elastic band slightly protruding from the tire contact surface. Characteristic anti-skid device for automobile tires. 2. An annular groove is provided in the circumferential direction in the ground contact area of the tire, an elastic band ring approximately equal to the depth of the groove is fitted into this annular groove, and the spike-like top of the elastic band ring is placed slightly above the tire contact area. The slippery surface of an automobile tire is characterized in that the spike bin is planted in a slightly protruding state, and a C2 buffering gap is formed between the inner surface of the elastic band ring located below the spike bin and the bottom surface of the groove. Stop device.