CA2113332A1 - Anti-slippage device for vehicle tire - Google Patents
Anti-slippage device for vehicle tireInfo
- Publication number
- CA2113332A1 CA2113332A1 CA002113332A CA2113332A CA2113332A1 CA 2113332 A1 CA2113332 A1 CA 2113332A1 CA 002113332 A CA002113332 A CA 002113332A CA 2113332 A CA2113332 A CA 2113332A CA 2113332 A1 CA2113332 A1 CA 2113332A1
- Authority
- CA
- Canada
- Prior art keywords
- gripping members
- central ring
- auxiliary
- slippage device
- tire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C27/00—Non-skid devices temporarily attachable to resilient tyres or resiliently-tyred wheels
- B60C27/02—Non-skid devices temporarily attachable to resilient tyres or resiliently-tyred wheels extending over restricted arcuate part of tread
- B60C27/04—Non-skid devices temporarily attachable to resilient tyres or resiliently-tyred wheels extending over restricted arcuate part of tread the ground-engaging part being rigid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B15/00—Wheels or wheel attachments designed for increasing traction
- B60B15/26—Auxiliary wheels or rings with traction-increasing surface attachable to the main wheel body
- B60B15/266—Traction increasing surface being located radially outside tire circumferential surface
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
- Handcart (AREA)
Abstract
An anti-slippage device for mounting on a vehicle tire includes a central ring on which a number of gripping members are mounted to extend along radial directions thereof in an angularly equally-spaced manner. Each of the gripping members is an elongated bar having two ends bent along opposite directions to respectively define an L shape and a U shape.
A hole is formed on the L-shaped end to fit over a bolt mounted on the central ring to secure the gripping member to the central ring by means of nut. The U-shaped end defines an interior gap large enough to accommodate the cross section of the tire. A number of sharp-ended piercing members are formed on the outside surface of the U-shaped end of the gripping member for piecing into ground when the vehicle is in operation and the tire is rolling.
A hole is formed on the L-shaped end to fit over a bolt mounted on the central ring to secure the gripping member to the central ring by means of nut. The U-shaped end defines an interior gap large enough to accommodate the cross section of the tire. A number of sharp-ended piercing members are formed on the outside surface of the U-shaped end of the gripping member for piecing into ground when the vehicle is in operation and the tire is rolling.
Description
ANTI-SLIPPAGE DEVICE FOR VEHICLE TIRE
FIELD OF THE INVENTION
The invention relates generally to an anti-slippage device for mounting on a vehicle tire which may serve as a snow chain for protection of the vehicle from slippage on snowed or iced ground and also serves to provide a better engagement of the tire with ground when the vehicle is driven on a poor-conditioned route.
BACKGROUND OF THE INVENTION
When a vehicle is driven on a poor-conditioned route, the tires may not be in well engagement with ground to push the vehicle forward. Under such a condition, slippage between the tires and the ground surface may occur which sometimes results in "trapping" of the vehicle on the ground, such as a sandy ground, and sometimes simply allows the vehicle "fly out" due to no sufficient friction between the tires and ground. For example, in winter or high altitudes, iced road frequently causes traffic accidents due to the ice greatly reduces the friction between tires and ground.
~;ns, usually known as snow ch~;ns, may be used to surround on the tires to provide a better friction between the tires and the iced road. A disadvantage of the snow ch~ins is that the ch~;~s surrounded on the tires may get loosened during the operation of the vehicle and the loosened chains may cause damage to the vehicle.
'~ 133~ ~
It is therefore desirable to provide an anti-slippage device which overcomes the above-mentioned deficiency and is easy to mount to and dismount from vehicle tire.
SUMMARY OF THE INVENTION-..
The principal objective of the present invention is to provide an anti-slippage device for mounting on vehicle tire which is easy to securely mount to the tire without loosening from the tire during the operation of the vehicle and which is also easy to dismount from the tire so as to reduce the time consumption in using the anti-slippage device.
To achieve the above-mentioned objectives, there is provided an anti-slippage device for mounting on a vehicle tire comprising a central ring on which a number of gripping members are mounted to extend along radial directions thereof in an angularly equally-spaced manner. Each of the gripping members comprises an elongated bar having two ends bent along opposite directions to respectively define an L shape and a U
shape. A hole is formed on the L-shaped end to fit over a bolt mounted on the central ring to secure the gripping member to the central ring by means of nut. The U-shaped end defines an interior gap large enough to accommodate the cross section of the tire. A number of sharp-ended piercing members are formed on the outside surface of the U-shaped end of the gripping member for piecing into ground when the vehicle is in operation and the tire is rolling.
~113332 BRIEF DESCRIPTION OF THE DRAWINGS
Other objectives and advantages of the invention will be apparent from the following description of preferred embodiments of the present invention taken in connection with the accompanying drawings, wherein:
FIG. 1 iS a perspective view showing an anti-slippage device for vehicle tire constructed in accordance with a first embodiment of the present invention;
FIG. 2 iS an exploded perspective view of the anti-slippage device shown in FIG. l;
FIG. 3 iS a perspective view showing an individualgripping member adapted in the anti-slippage device of FIG. l;
FIG. 4 iS a cross-sectional view showing the mounting of the anti-slippage device of FIG. 1 on a vehicle tire;
FIG. 5 iS a perspective view showing a second embodiment of an anti-slippage device for vehicle tire constructed in accordance; and FIG. 6 iS a cross-sectional view showing the mounting of the second embodiment of the anti-slippage device of the present invention on a vehicle tire.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
With reference to the drawings and in particular to FIGS.
1 and 2, wherein an anti-slippage device for vehicle tire constructed in accordance with an embodiment of the present invention, generally designated with reference numeral 100, is ~:1333~
shown, the anti-slippage device 100 comprises a central ring 10 on which a plurality of gripping members 11 are releasably secured and extending along radial directions of the central ring 10 in an angularly equally-spaced manner.
. 5 Preferably, each of the gripping members 11 has a hole 17 formed thereon to receive therein a bolt 19 extending from the central ring 10 along a radial direction thereof. A nut 18 that is engageable with the bolt 19 secures the gripping member 11 on the central ring 10.
With particular reference to FIG. 3, wherein one of the gripping members 11 is shown in a larger scale, the gripping member 11 comprises an elongated strip member 12 having an end portion bent twice in a first direction normal to the strip member 12 to form a U shape 53 defining a bottom 13 and an opposite end bent once in an opposite second direction normal to the strip member 12 to form an L shape 54 defining a side extension 14.
Preferably, the bolt hole 17 is formed on the side extension 14 of the L-shaped end 54 so that the gripping member 11 is secured on the central ring 10 with the side extension 14 abutting against the central ring 10.
The U-shaped end 53 of the gripping member 11 defines an interlor gap 55 large enough to snugly and slightly tightly accommodate the cross section of the vehicle tire 29, as shown in FIG. 4. Preferably, a serrated portion 15 is formed inside the U-shaped end 53 of the strip member 12 so as to provide a better engagement with the tire 29.
3,9 Outside the U shape 53 of the strip member 12, there are a plurality of piercing elements 16, each having a sharpened distal end for piercing into ground to tightly hold the vehicle tire 29 on ground without slippage therebetween.
5According to the first embodiment of the present invention, the gripping members 11 of the anti-slippage device 100 are divided into two sets, each comprising, for example, five gripping members 11 with a plurality of, preferably two, flexible wires 20 connected inbetween, as illustrated in FIGS.
1 and 2. This may help mounting the gripping members 11 at proper relative positions on the tire 29.
In installing the anti-slippage device 100 on the tire 29, the two sets of the gripping members 11 are separately mounted on the tire 29 with each of the gripping members 11 fitting over the tire 29 with the U-shaped end 53 thereof and spaced from each other with the distance determined by the flexible wires 20. The central ring 10 is disposed between the L-shaped ends 54 of the gripping members 11 so that the gripping members 11 extend outward along radial directions of the central ring 10 and the nuts 18 are tightened on the bolts 19 to secure the gripping members 11 on the central ring 10.
To dismount the anti-slippage device 100 from the tire 29, the nuts 18 are loosened first and the gripping members 11 released from the central ring 10 and Le,l-oved from the tire 29. The flexibility of the wires 20 allows each set of the gripping members 11 to be stored in a more compact manner while kept together.
33~
, FIGS. 5 and 6 show a second embodiment of the present invention wherein an auxiliary anti-slippage device 200 is provided to secured to the anti-slippage device 100 in a parallel manner. In the second embodiment, the anti-slippage - 5 device 100 also comprises a central ring 21 on which first bolts 30 are mounted along a first circumference thereof to secure thereon a plurality of gripping members 11 in a substantially angularly equally-spaced manner so as to allow the gripping members 11 to extend along radial directions from the central ring 21.
The central ring 21 further comprises second bolts 22 extending therefrom. The second bolts 22 are mounted on the central ring 21 along a second circumference thereof and spaced from the first circumference thereof in such a manner to allow auxiliary gripping members 25 to be secured thereon by nuts 36 and extending outward along radial directions of the central ring 21 so as to mount both the gripping members 11 and the auxiliary gripping members 25 on the central ring 21 in a parallel manner.
Each of the auxiliary gripping members 25 comprises a U
shape having two ends bent in opposite direction to define two opposite side extensions 26 and 32, each having a hole 28 or 34 formed thereon. One of the side extensions, for example the side extension 32 is secured to the central ring 21 with the respective second bolt 22 extending through the hole 34 to engage the nut 36. The auxiliary gripping member 25 is so ~;men~ioned that when the auxiliary gripping member 25 is 3 3 ~
fixed to the central ring 21, the bottom of the U shaped auxiliary gripping member 25 located at substantially the same level with the bottom of the U shape of the gripping member 11. In this way, the auxiliary gripping members 25 provide the tire 29 with a greater contacting area with ground and thus the gripping force of the tire 29 with ground.
Similarly, sharp-ended piercing members 38 are distributed on the outside surface of the bottom of the U-shaped auxiliary gripping members 25.
Preferably, a second ring 23 is secured between the second side extensions 26 of the auxiliary gripping members 25 and preferably substantially co-axial with the central ring 21. The second ring 23 has a plurality of bolts 24 mounted thereon, preferably in an angularly equally-spaced manner, to extend through the hole 28 that is formed on the second side extension 26 of the auxiliary gripping member 25 to engage a nut 27 in order to secure the auxiliary gripping members 25 on the second ring 23.
In the embodiment illustrated, similar to the gripping members 11, the auxiliary gripping members 25 are separated into two sets, each containing five such auxiliary gripping members 25 with flexible wires 20 connected inbetween.
It is apparent that although the invention has been described in connection with the preferred embodiments, those skilled in the art may make changes to certain features of the preferred embodiments without departing from the scope of the invention as defined in the claims.
FIELD OF THE INVENTION
The invention relates generally to an anti-slippage device for mounting on a vehicle tire which may serve as a snow chain for protection of the vehicle from slippage on snowed or iced ground and also serves to provide a better engagement of the tire with ground when the vehicle is driven on a poor-conditioned route.
BACKGROUND OF THE INVENTION
When a vehicle is driven on a poor-conditioned route, the tires may not be in well engagement with ground to push the vehicle forward. Under such a condition, slippage between the tires and the ground surface may occur which sometimes results in "trapping" of the vehicle on the ground, such as a sandy ground, and sometimes simply allows the vehicle "fly out" due to no sufficient friction between the tires and ground. For example, in winter or high altitudes, iced road frequently causes traffic accidents due to the ice greatly reduces the friction between tires and ground.
~;ns, usually known as snow ch~;ns, may be used to surround on the tires to provide a better friction between the tires and the iced road. A disadvantage of the snow ch~ins is that the ch~;~s surrounded on the tires may get loosened during the operation of the vehicle and the loosened chains may cause damage to the vehicle.
'~ 133~ ~
It is therefore desirable to provide an anti-slippage device which overcomes the above-mentioned deficiency and is easy to mount to and dismount from vehicle tire.
SUMMARY OF THE INVENTION-..
The principal objective of the present invention is to provide an anti-slippage device for mounting on vehicle tire which is easy to securely mount to the tire without loosening from the tire during the operation of the vehicle and which is also easy to dismount from the tire so as to reduce the time consumption in using the anti-slippage device.
To achieve the above-mentioned objectives, there is provided an anti-slippage device for mounting on a vehicle tire comprising a central ring on which a number of gripping members are mounted to extend along radial directions thereof in an angularly equally-spaced manner. Each of the gripping members comprises an elongated bar having two ends bent along opposite directions to respectively define an L shape and a U
shape. A hole is formed on the L-shaped end to fit over a bolt mounted on the central ring to secure the gripping member to the central ring by means of nut. The U-shaped end defines an interior gap large enough to accommodate the cross section of the tire. A number of sharp-ended piercing members are formed on the outside surface of the U-shaped end of the gripping member for piecing into ground when the vehicle is in operation and the tire is rolling.
~113332 BRIEF DESCRIPTION OF THE DRAWINGS
Other objectives and advantages of the invention will be apparent from the following description of preferred embodiments of the present invention taken in connection with the accompanying drawings, wherein:
FIG. 1 iS a perspective view showing an anti-slippage device for vehicle tire constructed in accordance with a first embodiment of the present invention;
FIG. 2 iS an exploded perspective view of the anti-slippage device shown in FIG. l;
FIG. 3 iS a perspective view showing an individualgripping member adapted in the anti-slippage device of FIG. l;
FIG. 4 iS a cross-sectional view showing the mounting of the anti-slippage device of FIG. 1 on a vehicle tire;
FIG. 5 iS a perspective view showing a second embodiment of an anti-slippage device for vehicle tire constructed in accordance; and FIG. 6 iS a cross-sectional view showing the mounting of the second embodiment of the anti-slippage device of the present invention on a vehicle tire.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
With reference to the drawings and in particular to FIGS.
1 and 2, wherein an anti-slippage device for vehicle tire constructed in accordance with an embodiment of the present invention, generally designated with reference numeral 100, is ~:1333~
shown, the anti-slippage device 100 comprises a central ring 10 on which a plurality of gripping members 11 are releasably secured and extending along radial directions of the central ring 10 in an angularly equally-spaced manner.
. 5 Preferably, each of the gripping members 11 has a hole 17 formed thereon to receive therein a bolt 19 extending from the central ring 10 along a radial direction thereof. A nut 18 that is engageable with the bolt 19 secures the gripping member 11 on the central ring 10.
With particular reference to FIG. 3, wherein one of the gripping members 11 is shown in a larger scale, the gripping member 11 comprises an elongated strip member 12 having an end portion bent twice in a first direction normal to the strip member 12 to form a U shape 53 defining a bottom 13 and an opposite end bent once in an opposite second direction normal to the strip member 12 to form an L shape 54 defining a side extension 14.
Preferably, the bolt hole 17 is formed on the side extension 14 of the L-shaped end 54 so that the gripping member 11 is secured on the central ring 10 with the side extension 14 abutting against the central ring 10.
The U-shaped end 53 of the gripping member 11 defines an interlor gap 55 large enough to snugly and slightly tightly accommodate the cross section of the vehicle tire 29, as shown in FIG. 4. Preferably, a serrated portion 15 is formed inside the U-shaped end 53 of the strip member 12 so as to provide a better engagement with the tire 29.
3,9 Outside the U shape 53 of the strip member 12, there are a plurality of piercing elements 16, each having a sharpened distal end for piercing into ground to tightly hold the vehicle tire 29 on ground without slippage therebetween.
5According to the first embodiment of the present invention, the gripping members 11 of the anti-slippage device 100 are divided into two sets, each comprising, for example, five gripping members 11 with a plurality of, preferably two, flexible wires 20 connected inbetween, as illustrated in FIGS.
1 and 2. This may help mounting the gripping members 11 at proper relative positions on the tire 29.
In installing the anti-slippage device 100 on the tire 29, the two sets of the gripping members 11 are separately mounted on the tire 29 with each of the gripping members 11 fitting over the tire 29 with the U-shaped end 53 thereof and spaced from each other with the distance determined by the flexible wires 20. The central ring 10 is disposed between the L-shaped ends 54 of the gripping members 11 so that the gripping members 11 extend outward along radial directions of the central ring 10 and the nuts 18 are tightened on the bolts 19 to secure the gripping members 11 on the central ring 10.
To dismount the anti-slippage device 100 from the tire 29, the nuts 18 are loosened first and the gripping members 11 released from the central ring 10 and Le,l-oved from the tire 29. The flexibility of the wires 20 allows each set of the gripping members 11 to be stored in a more compact manner while kept together.
33~
, FIGS. 5 and 6 show a second embodiment of the present invention wherein an auxiliary anti-slippage device 200 is provided to secured to the anti-slippage device 100 in a parallel manner. In the second embodiment, the anti-slippage - 5 device 100 also comprises a central ring 21 on which first bolts 30 are mounted along a first circumference thereof to secure thereon a plurality of gripping members 11 in a substantially angularly equally-spaced manner so as to allow the gripping members 11 to extend along radial directions from the central ring 21.
The central ring 21 further comprises second bolts 22 extending therefrom. The second bolts 22 are mounted on the central ring 21 along a second circumference thereof and spaced from the first circumference thereof in such a manner to allow auxiliary gripping members 25 to be secured thereon by nuts 36 and extending outward along radial directions of the central ring 21 so as to mount both the gripping members 11 and the auxiliary gripping members 25 on the central ring 21 in a parallel manner.
Each of the auxiliary gripping members 25 comprises a U
shape having two ends bent in opposite direction to define two opposite side extensions 26 and 32, each having a hole 28 or 34 formed thereon. One of the side extensions, for example the side extension 32 is secured to the central ring 21 with the respective second bolt 22 extending through the hole 34 to engage the nut 36. The auxiliary gripping member 25 is so ~;men~ioned that when the auxiliary gripping member 25 is 3 3 ~
fixed to the central ring 21, the bottom of the U shaped auxiliary gripping member 25 located at substantially the same level with the bottom of the U shape of the gripping member 11. In this way, the auxiliary gripping members 25 provide the tire 29 with a greater contacting area with ground and thus the gripping force of the tire 29 with ground.
Similarly, sharp-ended piercing members 38 are distributed on the outside surface of the bottom of the U-shaped auxiliary gripping members 25.
Preferably, a second ring 23 is secured between the second side extensions 26 of the auxiliary gripping members 25 and preferably substantially co-axial with the central ring 21. The second ring 23 has a plurality of bolts 24 mounted thereon, preferably in an angularly equally-spaced manner, to extend through the hole 28 that is formed on the second side extension 26 of the auxiliary gripping member 25 to engage a nut 27 in order to secure the auxiliary gripping members 25 on the second ring 23.
In the embodiment illustrated, similar to the gripping members 11, the auxiliary gripping members 25 are separated into two sets, each containing five such auxiliary gripping members 25 with flexible wires 20 connected inbetween.
It is apparent that although the invention has been described in connection with the preferred embodiments, those skilled in the art may make changes to certain features of the preferred embodiments without departing from the scope of the invention as defined in the claims.
Claims (7)
1. An anti-slippage device for mounting on a vehicle tire comprising a central ring having a first circumference along which a plurality of gripping members are mounted to extend along radial directions of the central ring, each of the gripping members having a first end secured to the central ring with first fastening means and a second end in the form of a U shape defining therein an interior gap large enough to receive therein a cross section of the tire, a plurality of sharp-ended piercing members extending from an outside of the U shape for pierceable into ground.
2. An anti-slippage device as claimed in Claim 1 wherein the first fastening means comprises a bolt extending from the central ring along a radial direction thereof to be received and extending through a hole formed on the first end of each of the gripping members to be engageable with a nut.
3. An anti-slippage device as claimed in Claim 1 wherein the gripping members are divided into a plurality of sets, each set comprising a number of the gripping members with flexible wires connected between the gripping members of each set.
4. An anti-slippage device as claimed in Claim 1 further comprising auxiliary anti-slippage means which comprises a plurality of auxiliary gripping members, each defining a U shape mounted with a first end thereof along a second circumference of the central ring by second fastening means so as to allow the auxiliary gripping members to extend outward from the central ring along radial directions thereof, each of the auxiliary gripping members comprising a plurality of sharp-ended piercing members formed on an outside surface of the U-shaped auxiliary gripping member, each of the U-shaped auxiliary gripping members comprising a second end secured to an auxiliary ring which is disposed substantially co-axially with the central ring by third fastening means.
5. An anti-slippage device as claimed in Claim 4 wherein the second fastening means comprises a bolt extending from the central ring along a radial direction thereof to be received and extending through a hole formed on the first end of each of the auxiliary gripping members to be engageable with a nut.
6. An anti-slippage device as claimed in Claim 4 wherein the third fastening means comprises a bolt extending from the auxiliary ring along a radial direction thereof to be received and extending through a hole formed on the second end of each of the auxiliary gripping members to be enageable with a nut.
7. An anti-slippage device as claimed in Claim 4 wherein the auxiliary gripping members are divided into a plurality of sets, each set comprising a number of the auxiliary gripping members with flexible wires connected between the auxiliary gripping members of each set.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002113332A CA2113332A1 (en) | 1994-01-12 | 1994-01-12 | Anti-slippage device for vehicle tire |
| FR9401153A FR2715608A3 (en) | 1994-01-12 | 1994-02-02 | Anti-skid device for vehicle wheels |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002113332A CA2113332A1 (en) | 1994-01-12 | 1994-01-12 | Anti-slippage device for vehicle tire |
| FR9401153A FR2715608A3 (en) | 1994-01-12 | 1994-02-02 | Anti-skid device for vehicle wheels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2113332A1 true CA2113332A1 (en) | 1995-07-13 |
Family
ID=25676925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002113332A Abandoned CA2113332A1 (en) | 1994-01-12 | 1994-01-12 | Anti-slippage device for vehicle tire |
Country Status (2)
| Country | Link |
|---|---|
| CA (1) | CA2113332A1 (en) |
| FR (1) | FR2715608A3 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105691093A (en) * | 2016-01-11 | 2016-06-22 | 杨卫杰 | Wheel anti-skid device |
| CN107053973A (en) * | 2017-04-30 | 2017-08-18 | 盐城易宝路轮胎有限公司 | A kind of anti-skid device for car tyre |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108501633B (en) * | 2018-04-16 | 2020-09-08 | 台州市黄岩秋园模具有限公司 | Circulating extrusion type tire anti-skid chain for automobile |
-
1994
- 1994-01-12 CA CA002113332A patent/CA2113332A1/en not_active Abandoned
- 1994-02-02 FR FR9401153A patent/FR2715608A3/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105691093A (en) * | 2016-01-11 | 2016-06-22 | 杨卫杰 | Wheel anti-skid device |
| CN107053973A (en) * | 2017-04-30 | 2017-08-18 | 盐城易宝路轮胎有限公司 | A kind of anti-skid device for car tyre |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2715608A3 (en) | 1995-08-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |