JPH082226A - Tire chain and installing method therefor - Google Patents

Abstract

PURPOSE:To provide such a device as facilitating the setup of a chain, pertaining to a tire chain to be installed in an automobile traveling wheel as an antiskid means. CONSTITUTION:This is a tire chain, where each of engaging means 4 being slidden from a direction to be orthogonalized in the longitudinal direction of a chain body 2 and engaged with both ends of this strip chain body 2 installed a studed part being formed so as to be wound on a straight groove of a tire and embedded with each antiskidding pin at the specified pitch in the longitudinal direction of the chain body 2, free of detachment, is installed respectively, and thus spreading over the whole circumference of the tire. Each of these engaging means 4 is formed into a winding-in type whose end is formed into loop form, and it is provided with a stopper means 5 preventing both the engaging parts 4 engaged with each other from being slipped off.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tire chain mounted on a running wheel of an automobile as a slip stopper on a snowy road and a mounting method thereof.

[0002]

2. Description of the Related Art A conventional tire chain of a type wound around a straight groove of a tire includes a ring-shaped ring body made of an elastic body, a pin holding portion, and a tire slip stopper made of a pin protruding from an upper surface of the pin holding portion. A device or a cord-shaped member such as rubber provided with a non-slip member is wound in a groove formed in the outer peripheral surface of the tire, and both ends thereof are fastened to the tire with appropriate fastening materials. Things are known.

As a conventional example of such a tire chain, a ring-shaped spike belt in which spike pins are driven into a V-shaped belt (actually developed 62-151105).
No. 4,266,509), and one in which both ends of a chain body are connected to each other by a turnbuckle (Japanese Patent Application Laid-Open No. 5-116515).

The band-shaped or string-shaped tire chain as described above is intended to improve the workability of mounting on the tire, instead of a metal tire chain of the type that covers the entire outer peripheral surface of the tire. It is proposed that it can be easily worn by women and old people who are unfamiliar with it.

[0005]

However, in the above-mentioned tire chain, in the conventional integrated belt tire chain, the air of the tire is slightly deflated, the tire chain is attached, and then the tire air is replenished again. However, in reality, replenishment of air to the tire is not a work that can be done at any place, and the tire chain must be attached and detached at a gas station where the air can be replenished.

Further, in the conventional example, both ends of the chain body are connected by a turnbuckle, and a metallic turnbuckle intervenes in a part of the whole string-shaped chain body so that the tire is running. In addition, the turnbuckle is grounded on the road surface, which is not preferable because the turnbuckle itself is damaged and the road surface is damaged, and there is a problem that it takes time to remove the turnbuckle from the tire chain.

The present invention has been made in view of the above problems, and an object thereof is to pursue the easiness of connecting the tire chains and to simplify the workability of mounting the tire chains on the tires. And

[0008]

Means for Solving the Problems The object of the present invention to solve the above problems and achieve the above objects is to provide a plant which is formed so as to be wound around a straight groove of a tire and in which a non-slip pin is embedded. Engaging means slidably engaged with both ends of a strip-shaped chain main body, in which the installation portions are arranged at a predetermined pitch in the longitudinal direction of the chain main body, in a direction orthogonal to the longitudinal direction of the chain main body. A tire chain provided around the entire circumference of the tire, wherein each of the engaging means is formed in a winding type in which an end portion thereof is formed into a loop shape, and the engaging portions of both engaging portions are engaged with each other. That is, the fastening means for preventing the slip-out is provided.

Further, both ends of a belt-shaped chain body in which planting portions formed so as to be wound around a straight groove of a tire and in which anti-slip pins are embedded are arranged at a predetermined pitch in the longitudinal direction of the chain body. A tire chain that is slidable in a direction orthogonal to the longitudinal direction of the chain body and that is detachably engaged with the chain body, and that is stretched over the entire circumference of the tire. The means is formed as a winding type having its end formed in a loop shape, and is provided with an engaging projection into which the engaging projection of the other side and the engaging projection that is bent back are provided in the central part of the loop. Is being formed.

The fastening means is provided with a concave groove and a convex portion which are fitted to each other on the abutting end faces of both planting portions located at both ends of the chain body; Both the planting parts located are provided with overlapping portions so that a compressive force is generated at the contact end surfaces of the two planting parts when the engaging means is engaged; and further, the planting parts are checked for wear. That is, a concave groove is provided.

As a method of mounting the tire chain, a base placed on the outer peripheral surface of the tire, a rotatable winding means provided on a side wall surface of the base, and a center of the winding means. Forming a chain mounting device composed of a belt wound from a portion and gripping members provided at both ends of the belt,
Engage both ends of the belt-shaped chain body wound around the straight groove of the tire with the gripping member of the chain mounting device and rotate the winding means with a wrench to draw both ends of the chain body together. Is to remove the chain attaching device after engaging the engaging means.

And, the gripping member is provided with a detaching means for separating the gripping part from the tire chain after the tire chain is mounted on the tire;
The take-up means is provided with a reverse rotation preventing means including a gear and a rack that is always engaged with the teeth of the gear by the biasing means.

[0013]

According to the tire chain of the present invention, the engaging means at both ends of the chain body can be easily slid to be mounted, and the fastening means can prevent the slip-out reliably, so that it can be used severely on a snowy road or a frozen road surface. The tire chain does not fall off from the tire even during rough running, and reliability in use is maintained.

According to the method of mounting a tire chain of the present invention, even a weak woman or an elderly person can easily mount the tire chain on the tire.

[0015]

Embodiments of the tire chain according to the present invention will now be described in detail with reference to the drawings. As shown in FIGS. 1 to 3, the tire chain 1 according to the first embodiment is made of elastic rubber or elastic resin in a band shape having a substantially T-shaped cross section, which is shorter than the entire circumference of the tire 7 by about 40 to 60 cm. Chain body 2 made of metal, anti-slip pins 3 planted in the longitudinal direction of chain body 2 at an appropriate pitch, and said chain body 2
Engaging members 4a, 4 serving as engaging means 4 provided at both ends of the
a, and a metal tie pin 5 as a fastening means for preventing the engaging members 4a, 4a from coming out of the fitted state.
It is provided with.

The anti-slip pin 3 is made by fixing a cemented carbide tip 3a to a metal shank 3b (for example, S25C) having a shape as shown in FIG. Flange 3c
A rounded portion is provided at the lower end edge of the so as to fit smoothly.

As shown in FIG. 5, the pin 3 is made slippery by putting water or soapy water on the pin planting portion 6 in the fitting groove 6a of the pin planting portion 6 of the chain body 2. , An air gun, a mechanical pressing device, or the like is pressed downward while opening the inlet to be fitted. In addition, in order to make the planting part 6 easily stretchable, the fitting operation may be performed at a high temperature immediately after the molding of rubber or at a high temperature by heating.

As shown in FIG. 6, the planting portion 6 is entirely trapezoidal and has a notch groove 6b on its slope. The notch groove 6b is for judging the replacement time of the tire chain 1 based on the reduction degree of the groove.

The tie pin 5 is made of metal, and the engagement members 4a, 4a shown in FIG. 2 are slid in the direction perpendicular to the longitudinal direction of the chain body 2 to be fitted, and then overlapped with each other to form a loop-shaped winding type. As shown in FIG. 3, the pin portion 5a is inserted from one side into the space of the central portion of the above, and the lock member 5b is locked to the tip end portion of the pin for fastening. The tie pin 5 is the same as a fastening tool used for a tie pin, a badge, or the like.

Next, a method of mounting the tire chain 1 of the present invention on the tire 7 to be mounted will be described.

First, a chain mounting device 8 as shown in FIG. 7 is formed. The chain mounting device 8 includes a metal or synthetic resin base 9 mounted on the outer peripheral surface of a tire,
A take-up drum 10 as a rotatable take-up means provided on one side wall 9a of the base 9, a belt 11 taken up from the central portion of the take-up drum 10 and provided at both ends of the belt 11. And a metal gripping member 12.

The details of the above-mentioned respective parts will be explained.
As shown in FIGS. 8 to 10, is a curved plate which is formed to match the outer peripheral curved surface of the tire 7 and has a predetermined length.
Further, a guide protrusion 9c that fits in the straight groove 7a of the tire 7 is provided in the longitudinal direction, and side walls 9a and 9d extend from the central portion toward one side and from the side end portions.

A mounting hole is provided in the side wall 9a, and the winding drum 10 is rotatably fitted in the mounting hole.

As shown in FIG. 11, the winding drum 10 is a rod-shaped body made entirely of metal, and has a head portion 10a.
A fitting hole 10b having an opening on one end side is formed in the hole. On the inner peripheral wall surface of the hole 10b, a round bar-shaped metal hooking bar 10 is inserted into a through hole formed so as to face in the radial direction.
c is provided.

Following the head portion 10a, there are provided serrations 10d, a groove 10e for a retaining ring, and a split drum 10f having a slit.

The take-up drum 10 is preliminarily fitted with the rack gear 13 from the end of the drum 10f and press-fitted into the serration 10d. After that, as shown in FIG. The drum 10f is inserted through the drum 10f from the left side in the drawing, and the E-shaped retaining ring 14 is engaged with the groove 10e.

The end portion of the drum 10f is horizontally mounted on a semicircular bearing portion 9e of the side wall 9d, and the winding drum 10 is rotatably supported by the mounting hole and the bearing portion 9e.

Further, as shown in FIG. 10, a ratchet 15 is provided to prevent the reverse rotation of the rack gear 13 of the winding drum 10.
Also, the torsion spring 16 is fitted to the shaft 9f provided upright on the side wall 9a, one end of the torsion spring 16 is engaged with the ratchet 15, and the tooth tips of the ratchet 15 are always urged to bite into the rack gear 13. And prevents reverse rotation.

The belt 11 is made of synthetic fiber (for example, nylon), a thin metal plate or synthetic resin, and has a width corresponding to the width of the winding portion of the drum 10f, as shown in FIG. U-shaped gripping members 12a and 12b are fixed to the portion. The length of the belt 11 is about 50 to 80 cm, and the tire chain main body 2 is shorter than the entire circumference of the tire 7 in order to generate elastic tension. Is more than the sum of.

Further, ring-shaped attachment / detachment strings 17, 17 are connected to the bent portions of the gripping members 12a, 12b.

Besides, an attachment 18 for rotating the winding drum 10 is prepared. FIG.
As shown in FIG. 5, the overall length is about 150 mm, the diameter is such a size that it can be fitted into the fitting hole 10 b, and the tip portion 18 a that sandwiches the latch bar 10 c is divided into two parts.

The head of the attachment 18 is a hexagonal head so that it can be fitted into a tire wrench 19 which is standardly equipped in the automobile. As another example of the tire chain of the chain mounting device 8, a chain mounting device 8a as shown in FIGS. 25 to 27 may be used.
This is a drum in which two U-shaped steel plates are combined, a belt is sandwiched between them, and integrated with a through pin, and the belt is fixed in advance. Then, as shown in FIG. 27, the end of the attachment 18b fitted to the through pin has a groove on the protrusion. Next, the method of mounting will be described. First, the vehicle is moved forward on the tire chain 1 to get on.

Chain mounting device 8 formed as described above
As shown in FIG. 7, the straight groove 7a is fitted with the guide projection 9c and placed on the outer peripheral surface of the tire 7.

Then, the drum 10 of the chain mounting device 8
The substantially central portion of the belt 11 is sandwiched between the slit portions of. The belt 11 may be fixed to the slit portion of the drum 10 from the beginning.

Next, the chain body 2 wound around the straight groove 7a of the tire 7 is made to bite into both ends (the trapezoidal planting portion 6) from the U-shaped opening, and the gripping member 12a is obtained. , 12b are engaged.

If necessary, a lubricant (for example, water or soapy water) is sprayed on or sprayed on the outer peripheral surface of the tire 7 so that the chain body 2 of the tire chain 1 can easily slip on the outer peripheral surface of the tire 7. To do.

Next, the head portion 10a of the winding drum 10 is fitted with the tip portion 18a of the attachment 18. The tire wrench 19 is fitted into the attachment.

When the take-up drum 10 is rotated by the tire wrench 19, the belt 11 is taken up by the drum 10f, and both ends of the chain body 2 are smoothly slid by the lubricant and drawn.

After sufficiently pulling, the tire wrench 19
The rotation of the rack gear 13 is stopped and the ratchet 15 keeps the rack gear 13 in a state in which the reverse rotation is prevented.

Then, the engaging members 4a, 4a are slid and engaged in a direction orthogonal to the longitudinal direction of the chain body 2. Further, engaging members 4a, 4a on which tie pins 5 are superposed
It is attached to the loop-shaped center of. This is the chain body 2
Becomes a ring shape as a whole.

Then, the belt 11 is slightly tightened to release the ratchet 15 and the tire wrench 19 is rotated in the reverse direction. As a result, the tension of the belt 11 is released and the entire tire chain 1 is stretched.

After that, the gripping member 12 from which the tensile force is released
a, 12b, pull the detachable string 17 to pull the chain body 2
Remove from both ends (planting part 6).

Then, the tire wrench 19 and the attachment 18 are removed from the chain mounting device 8, and further, the chain mounting device 8 is twisted and removed from the tire 7.

In this way, the tire chain 1 is attached to the tire 1. The pulling of both ends of the tire chain 1 can be easily carried out by the chain mounting device 8 even for women and old people, and the tire chain 1 of the present invention eliminates the trouble of mounting a general tire chain on the tire. It is a thing.

The tire chain 1 attached to the tire 7 is detached from the straight groove 7a by turning the tire chain 1 with both hands.

Then, the fastening device such as the tie pin 5 is removed, the engaging members 4a, 4a of the engaging means 4 are slid to release the engagement, and the vehicle is advanced to advance the tire chain 1.
Is to be removed from the tire 7.

Next, in the second embodiment of the tire chain 1 of the present invention, as shown in FIG. 14, a metal split pin 20 is used as a fastening means. As a result, it is only necessary to bend the tip of the split pin 20, so that the fastening work can be performed easily.

Next, in the third embodiment of the tire chain 1 of the present invention, as shown in FIG. 15, a wing screw 21 composed of a metal or synthetic resin wing bolt / wing nut is used as a fastening means. It is a thing. According to this thumbscrew 21,
The wing portion such as a butterfly does not come into contact with the outer peripheral surface of the tire 7 and does not rotate and the screw is not loosened.

Next, in the fourth embodiment of the tire chain 1 of the present invention, as shown in FIG. 16, a metal T-shaped pin 22 is used.
To the one in which the metallic ring portion 22b is provided at the tip of a,
Separate stop pin 2 to be inserted into the hole of the ring portion 22b
2c is provided to form a fastening device 22 as fastening means. With such a fastening device 22, the fastening pin 22c
You can easily fix it by simply inserting and fastening.

Next, in the fifth embodiment of the tire chain 1 of the present invention, as shown in FIGS. 17A and 17B, a metal or synthetic resin member provided at both ends of the chain body 2 is used. In the shape of the mating member 4b, the end portion of the engaging member 4b is wound into a loop shape and formed into a curved surface having the same curvature.

In the engaging member 4b formed in this way, in order to slide it in the direction orthogonal to the longitudinal direction of the chain main body 2 and engage it, the engaging member 4b is not linear but is rotated along the curvature and engaged. It is a thing.

Further, it is not necessary to fix the fixing means after engaging the engaging members 4b, 4b, and even if a force to disengage in the sliding direction is applied, the curved surface always keeps the curved surface shape. It is automatically adjusted so that the engaging members 4b, 4b are located at the central portion.

Next, in a sixth embodiment of the tire chain 1 of the present invention, as shown in FIGS. 18 to 21, a metal or synthetic resin engaging member 4c is wound at its end in a loop shape. Locking projection 4d that is formed into a type and is bent back to the center of the loop, and a locking projection 4d of the mating partner.
It is formed by providing an engaging hole 4e into which is fitted.

The engaging members 4c, 4c are slid and engaged as shown in FIG. At this time, the locking projections 4d are slid and engaged with each other in the longitudinal direction of the chain main body 2 so that the locking projections 4d are accommodated in the loop-shaped ring.

After the tire is mounted on the tire 7, the engaging members 4c, 4c are separated from each other by the tension of the chain body and the centrifugal force during running, so that the engaging protrusion 4d.
Engages in the engaging hole 4e of the mating partner. The engagement protrusion 4d prevents the drop in the sliding direction.

Next, in the seventh embodiment of the tire chain 1 of the present invention, as shown in FIG. 22, one of the both ends of the chain main body 2 is recessed in the direction orthogonal to the longitudinal direction on the lower surface of one end. 23 is provided. A rectangular U-shaped rotatable metal or synthetic resin locking member 24 is provided at the other end.

Then, after engaging the engaging means 4 at both ends of the chain body 2, the locking member 24 is rotated so that the horizontal flat plate portion of the locking member 24 becomes the recess 23.
To fit. In the fitted state, both ends of the chain body 2 are pulled together so that the chain body 2 is fitted a little tightly.

By fitting the locking member 24 into the recess 23, the engaging means 4 formed of the engaging members 4a, 4a is prevented from slipping out in the sliding direction.

Next, in the eighth embodiment of the tire chain 1 of the present invention, the planted portions 6a, 6b at both ends of the chain body 2 are provided.
So that when the engaging members 4c, 4c are slidably engaged, the abutting surfaces of the planting portions 6a, 6b are compressed so that the dimension in the longitudinal direction is slightly increased and an overlapping portion occurs. Form. Further, the planting portions 6a and 6b are, as shown in the figure,
The planting portion 6b is made smaller to facilitate elastic deformation.

Therefore, as shown in FIG. 23, the engaging member 4
When engaging c and 4c, the planting part 6a on one side is slanted by about 30 ° and slid in the direction perpendicular to the paper surface.

Then, after the engaging portions 4c, 4c are engaged, the planting portion 6a is returned to the horizontal position. Then, each contact end surface 6
The c and 6d are pressed and compressed, and the engagement protrusion 4d of the engagement member 4c fits into the engagement hole 4e. Even when the engagement protrusion 4d is fitted in the engagement hole 4e, a compressive force acts on the contact surfaces 6c and 6d, which prevents the engagement members 4c and 4c from slipping out in the sliding direction. Is.

If the engaging members are the engaging members 4a, 4a without the engaging protrusions 4d, after engaging by compression,
Any of the fastening means shown in FIG. 3 or FIGS. 14 to 16 may be used.

Next, in the ninth embodiment of the tire chain 1 of the present invention, as shown in FIGS. 24 (a) and 24 (b), the contact surfaces of the planting portions 6 at both ends of the chain body 2 are The groove 6e and the protrusion 6f are provided.

Then, the engaging members 4a, 4a of the engaging means 4
24A, as shown in FIG. 24A, the projections 6f are slanted so as not to interfere with each other and slid in the direction perpendicular to the paper surface to be engaged.

After that, when both the main planting portions 6 and 6 are returned horizontally, the concave groove 6e and the protruding portion 6f are fitted to each other, resisting the pressing force in the sliding direction, and the engaging members 4a and 4a. It does not come off.

Further, when the concave groove e and the projection 6f are provided, the contact surfaces of both the planting portions 6 and 6 are compressed as in the case of the eighth embodiment, so that both of the eighth embodiment. , 9 may be combined.

[0067]

As described above, the tire chain according to the present invention is formed so as to be wound around the straight groove of the tire, and the planting portion in which the anti-slip pin is embedded is provided in the longitudinal direction of the chain body. At both ends of the belt-shaped chain main body arranged at a predetermined pitch, there are provided engaging means which are slidably engaged in a direction orthogonal to the longitudinal direction of the chain main body so as to be detachably attached, and the entire circumference of the tire. In the tire chain stretched over, each of the engaging means is formed as a winding type having its end portion formed in a loop shape, and a fastening means for preventing the engagement of both engaging portions from each other. Since it is provided, the connecting part prevents the engagement part from coming out after connecting the tire chains in a ring shape, and even if it is used severely on a snowy road or an icy road surface, there is no accidental chain drop and running safety. Trust There excellent effects said to be assured.

Further, the tire chain of the present invention has a substantially T-shaped cross section, is formed so as to be wound around the straight groove of the tire, and has a planting portion in which a non-slip pin is embedded in the chain main body. At both ends of the belt-shaped chain main body arranged at a predetermined pitch in the longitudinal direction, engaging means that are slidably engaged in a direction orthogonal to the longitudinal direction of the chain main body are provided, respectively, A tire chain stretched over the entire circumference, wherein each of the engaging means is formed in a winding type in which an end portion thereof is formed in a loop shape, and the engagement projection and the mating projection which are bent back to the loop-shaped central portion are provided. Since it is formed with an engaging hole into which the side locking projection fits, it is constantly pulled in the longitudinal direction by the tension when wound around the tire and the centrifugal force during traveling, and the engagement projection is formed. And engagement by the engagement hole Is, an excellent effect say slide engagement means in use is reliably prevented.

If the fastening means is provided with a concave groove and a convex portion that fit with each other on the abutting end faces of the two planting portions located at both ends of the chain body, the loop is formed. A separate member such as a tie pin that is inserted through the central portion of the shape is eliminated, and the number of parts is reduced, resulting in an excellent effect of cost reduction.

Further, both of the planting portions located at both ends of the chain body should be provided with overlapping portions so that a compressive force is generated at the contact end faces of the two planting portions when the engaging means is engaged. Thus, there is an excellent effect that an elastic force is generated on the contact end surface and the engaged state of the engaging means is reliably maintained.

Since the tire chain is provided with a recessed groove for checking wear in the planted portion, it has an excellent effect that it is possible to easily know when to replace the tire chain.

As a method of mounting the tire chain, a base placed on the outer peripheral surface of the tire, a rotatable winding means provided on the side wall surface of the base, and the winding means from the central portion A chain mounting device including a belt to be wound up and gripping members provided at both ends of the belt is formed, and both ends of a belt-shaped chain main body wound around a straight groove of a tire are used as gripping members of the chain mounting device. Engage it,
By rotating the winding means with a wrench to draw both ends of the chain body and engaging the engaging means at both ends, the chain mounting device is removed, so that both ends of the tire chain are reduced. This brings about an excellent effect that the engaging means at both ends can be easily engaged with each other by force and the tire chain can be easily attached to the tire even by an old man or a woman.

Further, since the gripping member is provided with a detaching means for separating the gripping portion from the tire chain after the tire chain is mounted on the tire, it is possible to easily remove the chain mounting device. Play.

Further, since the winding means is provided with a reverse rotation preventing means consisting of a gear and a rack which is always engaged with the teeth of the gear by the biasing means, it is easy to pull the both ends of the chain body. In addition, since both hands can be used for engaging work of both ends of the chain body, there is an excellent effect that they can be easily engaged.

[Brief description of drawings]

FIG. 1 is a front view of a tire chain according to the present invention.

FIG. 2 is a perspective view of an engaging portion.

FIG. 3 is an explanatory view of using a tie pin.

FIG. 4 is a configuration diagram of a pin.

FIG. 5 is an explanatory diagram showing a state in which a pin is press-fitted in a planting portion.

FIG. 6 is a partial perspective view of a chain body.

FIG. 7 is an explanatory view showing how a tire chain is attached to a tire.

FIG. 8 is a rear view of the base of the chain attaching device.

FIG. 9 is a side view of the chain attaching device.

FIG. 10 is a front view of the chain attaching device.

FIG. 11 is a front view of the winding drum.

FIG. 12 is an external view of the assembling assembly of the belt and the grip member.

FIG. 13 is a front view (A) and (B) of the attachment.

FIG. 14 is a front view of a split pin.

FIG. 15 is a front view of a thumbscrew.

FIG. 16 is a front view of a T-shaped pin and a stop pin.

FIG. 17 is a plan view (A) of an engaging member having a curved surface, and C
It is a longitudinal cross-sectional view (b) taken along the line C.

FIG. 18 is a plan view of an engagement member.

FIG. 19 is a cross-sectional view showing a part of the engagement member of FIG. 18 in an enlarged manner.

FIG. 20 is an explanatory diagram illustrating a manner of sliding and engaging both engaging members.

FIG. 21 is an enlarged view of a part of a state where both engaging members are engaged.

FIG. 22 is an explanatory view of a usage state of a seventh embodiment of the tire chain according to the present invention.

FIG. 23 is an explanatory diagram according to an eighth embodiment of the tire chain of the present invention.

FIG. 24 is explanatory views (a) and (b) of the tire chain ninth embodiment according to the present invention.

FIG. 25 is a base 9 according to another embodiment of the chain attaching device.
It is a side view (a) and a top view (b) of g.

FIG. 26 is a side view (a), a partial front view (b), and a plan view (c) of an attachment according to another embodiment of the chain attaching device.

FIG. 27 is a front view of another example of the chain attaching device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 tire chain, 2 chain main body, 3 pin, 4 engaging means, 4a, 4a, 4b, 4c engaging member, 4d locking protrusion, 4e engaging hole, 5 tie pin, 6, 6a, 6b implanting portion, 6c , 6d abutting end surface, 6e concave groove, 6f protrusion, 7 tire, 8,8a chain mounting device, 9,9g base, 9a, 9d side wall, 9b substrate, 9c guide protrusion, 10 winding drum, 10a head , 10b fitting hole, 10c retaining bar, 10d serration, 10e recessed groove, 10f drum, 11 belt, 12a, 12b gripping member, 13 rack gear, 14 retaining ring, 15 ratchet, 16 screw spring, 17 detachable string, 18, 18b Attachment, 18a Tip, 19 Tire Wrench, 20 Split Pin, 21 Thumbscrew, 22 Fastening Device, 23 Recess, 24 Locking Member .

Claims (8)

[Claims] 1. Both ends of a belt-shaped chain main body in which planting portions formed so as to be wound around a straight groove of a tire and in which anti-slip pins are embedded are arranged at a predetermined pitch in the longitudinal direction of the chain main body. A tire chain that is slidable in a direction orthogonal to the longitudinal direction of the chain body and that is detachably engaged with the chain body, and that is stretched over the entire circumference of the tire. The tire chain is characterized in that the means is formed in a winding type having an end portion formed in a loop shape, and provided with a fastening means for preventing the engaging portions engaged with each other from coming out. 2. Both ends of a belt-shaped chain main body in which planting portions formed so as to be wound around a straight groove of a tire and in which anti-slip pins are embedded are arranged at a predetermined pitch in the longitudinal direction of the chain main body. A tire chain that is slidable in a direction orthogonal to the longitudinal direction of the chain body and that is detachably engaged with the chain body, and that is stretched over the entire circumference of the tire. The means is formed as a winding type having its end formed in a loop shape, and is provided with an engaging projection into which the engaging projection of the other side and the engaging projection that is bent back are provided in the central part of the loop. A tire chain characterized by being formed. 3. The fastening means is characterized in that a concave groove and a convex portion that are fitted to each other are provided on the contact end surfaces of both planting portions located at both ends of the chain body. The tire chain described in 1. 4. An overlapping portion is provided at both planting portions located at both ends of the chain body so that a compressive force is generated at the contact end surfaces of the both planting portions when engaging means is engaged. The tire chain according to claim 1, 2, or 3. 5. The tire chain according to claim 1, wherein the planting portion is provided with a groove for wear check. 6. A base mounted on the outer peripheral surface of a tire, a rotatable winding means provided on a side wall surface of the base, and a belt wound by the winding means from a central portion. A chain mounting device composed of gripping members provided at both ends of the belt is formed, and both ends of a belt-shaped chain main body wound around a straight groove of a tire are engaged with the gripping members of the chain mounting device, A method for mounting a tire chain, which comprises rotating the winding means with a wrench to draw both ends of the chain body, engaging the engaging means at both ends, and then removing the chain mounting device. 7. The method of mounting a tire chain according to claim 6, wherein the gripping member is provided with a detaching means for separating the gripping portion from the tire chain after the tire chain is mounted on the tire. 8. The winding-up means is provided with a reverse rotation preventing means comprising a gear and a rack which is always engaged with a tooth of the gear by a biasing means.
How to install the tire chain described in.