JPS6342005Y2 - - Google Patents

Description

[Detailed explanation of the invention] This invention relates to an automobile tire chain, and its purpose is to attach it to a tire without lifting the tire, so that even women and beginners who are not accustomed to attaching chains can easily do so in a short time and without feeling cold. To provide a tire chain that can be mounted.

An embodiment embodying the present invention will be described below with reference to the drawings. Reference numeral 1 indicates a pair of left and right side chains wrapped around the outer peripheral edge of a tire T, and 2 indicates a large number of cross chains connecting both side chains 1. , so as to come into contact with the tread portion TR of the tire T.

Reference numeral 3 denotes a pair of left and right spikes protruding from each cross chain 2, and both are provided so as to face upward when the tire chain is extended and placed on the road surface. Each spike 3 is made of iron and is welded and fixed on a ring 2a that constitutes the cross chain 2, and its length is determined by the tread portion of the tire T.
It is shorter than the thickness of TR. Further, each spike 3 has a substantially cylindrical shape, and the tip of each spike is a conical piercing portion 4, and the lower end thereof is a jaw 5 for preventing slippage.

When attaching the tire chain configured as described above to the tire T, first, as shown in FIG. 4, the chain is placed on the road surface in an extended state at a position corresponding to the tire T to be attached. At this time, all or almost all spikes 3 are pointing upwards.

Once this has been done, the vehicle is then moved and its tires T are rotated approximately once on the chain. At this time, due to the weight of the car, the spikes 3 on each cross chain 2 sequentially pierce the tread part TR of the tire T, and the cross chain 2 is attached and held to the tread part TR, so the chain is automatically attached to the tire T. It will be rolled up.

When the chain is wound in this way, each cross chain 2 is securely held on the tread portion TR of the tire T as described above.
These intervals are always constant on the tread portion TR, and there is no slack in both side chains 1.

After winding the chain, the both ends of each side chain 1 are connected using the hook at the end of the side chain 1, and the chain band is hung on the outside of the tire T, as in the case of conventional tire chains.

This completes the tire chain installation. Therefore, in this way, when wrapping the chain around the tire T, it is only necessary to rotate the tire T along the chain on the chain, and there is no need to lift the tire T off the road surface, making it easy to attach the chain. It can be done in a short time. Further, in the embodiment described above, in order to attach each cross chain 2 to the tread part TR of the tire T, the spikes 3 that stick into the tread part TR are used, so that the cross chain 2 can be attached reliably. That is, even if the road surface is muddy or the surface of the tire T is dirty, it is possible to reliably prevent the cross chain 2 from coming off the tire T.

In particular, since the spike 3 of the above embodiment has a jaw 5 attached to its piercing portion 4, once the spike 3 is stuck in the tire T, it is very difficult to remove it.

It should be noted that even with a conventional tire chain without spikes 3, it was possible to spread it out on the road surface and wrap it around the tire T with the tire T placed on top of it. Since it is necessary to wrap the chain around the outer periphery of the tire T, there is a drawback that the chain tends to slacken and it takes time to wrap the chain. Further, this winding work is troublesome especially when the distance between the tire T and the fender is narrow or when the road surface or tire is dirty.

However, the chain of the embodiment of the present invention can automatically wrap the chain around the tire T when the car is moved as described above, so even women and beginners who are not accustomed to installing chains can install the chain very easily. It can be performed.

When removing the attached tire chain from the tire T, remove the chain band and hook, and then pull the chain a little strongly in the direction away from the tire T to remove each spike 3 from the tire T.

Spikes 3 do not need to be provided on all cross chains 2, but may be provided on every other cross chain 2, or on every other cross chain 2.
It may be provided only on the cross chain 2 of the book.

Note that the chain of the present invention can also be attached to the tire T with the tire T floating above the road surface.

As described in detail above, the present invention connects a pair of side chains 1 wrapped around the outer peripheral edge of the tire T by a number of cross chains 2 that come into contact with the tread portion TR of the tire T, and At least one of the cross chains 2 is provided with a protruding spike 3 that pierces the tread portion TR of the tire T, and the tip of the spike 3 is provided with a sharp-pointed pierced portion 4.
is formed, and the lower end of the piercing part 4 is provided with a jaw 5 to prevent it from coming off, so that even women and beginners who are unaccustomed to chain attachment can easily attach it to the tire in a short time. This is a practically preferable idea for a tire chain.

[Brief explanation of drawings]

Fig. 1 is a schematic perspective view of a tire chain embodying the present invention, Fig. 2 is a partially enlarged perspective view thereof, and Fig. 3 is a perspective view of a tire chain embodying the present invention.
The figure is an enlarged front view of the cross chain, and FIG. 4 is a plan view showing the chain placed on a road surface for attachment to a tire. Side chain 1, cross chain 2, spikes 3, piercing part 4, jaw 5, tire T, tread part
T.R.

Claims (1)

[Scope of utility model registration request] A pair of side chains 1 wrapped around the outer peripheral edge of the tire T are connected by a number of cross chains 2 that come into contact with the tread portion TR of the tire T, and at least one of these cross chains 2 is connected. A spike 3 is provided to protrude from the tread portion TR of the tire T, and a sharp-pointed piercing portion 4 is formed at the tip of the spike 3, and the lower end of the piercing portion 4 has a jaw 5 to prevent it from coming off. A tire chain characterized by the following.