CPC Definition - Subclass B60C

Last Updated Version: 2021.08
VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Manufacture, repairing

B29D 30/00

Tyres characterised by the transverse section
Definition statement

This place covers:

Tyres distinguished by a mathematical relationship, e.g. equation or ratio, or an absolute dimension, e.g. radius of curvature, which mathematical relationship or absolute dimension describes the cross-sectional profile or cross-sectional shape of the tyre.

Example 1:

media53.png

Example 2:

media54.png

Example 3:

media55.png

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Wheels characterized by rail-engaging elements and having non-elastic tyres

B60B 17/0055

Wheels characterized by rail-engaging elements and having elastic tyres,

B60B 17/02

Special rules of classification

Documents which nominally fit within B60C 3/00 but otherwise fit in any of the areas listed below should be classified in the appropriate area listed below:

Tyres whose transverse section is characterised only by carcass ply curvature

B60C 9/0292

Tyres whose transverse section is characterised only by tyre tread radius of curvature

B60C 11/0083

Tyres whose transverse section is characterised only by shape of the shoulders between tread and sidewall

B60C 11/01

Tyres whose transverse section is characterised only by sidewall radius of curvature

B60C 13/003

Tyres whose transverse section is characterised only by arrangement of sidewall grooves or ribs

B60C 13/02

Tyres whose transverse section is characterised only by shape of the tyre bead contour

B60C 15/024

Closed, e.g. toroidal, tyres
Definition statement

This place covers:

Subject matter under main group B60C 3/00 wherein a cross-section defined by a plane passing through the rotation axis of the tyre defines a continuous, circular-type configuration.

Example:

media52.png

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Securing tyres without beads; Securing closed torus or tubular tyres

B60C 15/0233

Tyres with openings closeable by means other than the rim; Closing means therefor

B60C 19/04

characterised by the relative dimensions of the section, e.g. low profile (B60C 3/06 takes precedence)
Definition statement

This place covers:

Subject matter under main group B60C 3/00 wherein the tyre is characterised by the relative dimensions of the section, e.g., section width, section height, and/or aspect ratio.

Example:

media60.png

References
Limiting references

This place does not cover:

Tyre cross-section asymmetric about equatorial plane

B60C 3/06

asymmetric
Definition statement

This place covers:

Subject matter under main group B60C 3/00 wherein the section does not have a plane longitudinally bisecting the section into mirror image halves, i.e. tyre equatorial plane or midcircumferential plane.

Example:

media61.png

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Asymmetric carcasses

B60C 9/17

Asymmetric belts

B60C 9/30

Asymmetric caps and base treads

B60C 11/0066

Asymmetric tread patterns

B60C 11/0304

Asymmetric bead seats

B60C 15/0236

Asymmetric bead reinforcement

B60C 2015/0696

Tyres requiring asymmetric or special mounting

B60C 19/001

collapsible into storage or non-use condition, e.g. space-saving spare tyres
Definition statement

This place covers:

Example illustrating storage condition vs. inflated condition of a spare tyre:

media56.png

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Run-flat tyres

B60C 17/08

Shape or construction of inflatable inserts (B60C 5/10 takes precedence)
Definition statement

This place covers:

Subject matter wherein the inflatable insert is defined by a special shape or construction.

References
Limiting references

This place does not cover:

Inflatable pneumatic tyres or inner tubes formed as a single discontinuous ring with contiguous ends which may be connected together

B60C 5/10

having reinforcing means
Definition statement

This place covers:

Subject matter wherein the inner tube is strengthened throughout at least a portion of its extent.

formed as a single discontinuous ring with contiguous ends which may be connected together
Definition statement

This place covers:

Subject matter wherein the pneumatic tyre forms a discontinuous ring, the ends of which may connect together, overlap, or abut.

Example 1:

media62.png

Example 2:

media63.png

Non-inflatable or solid tyres (B60C 1/00 takes precedence)
Definition statement

This place covers:

  • non-inflatable tires of the solid rubber tyre type (e.g. sectional, casing enclosed core, integral) whether or not they include voids such as chamber openings
  • non-inflatable tires made up of a tread band supported by a plurality of springs or spokes
  • means for securing non-inflatable tyres to rims

Example:

media57.png

References
Limiting references

This place does not cover:

Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition

B60C 1/00

Informative references

Attention is drawn to the following places, which may be of interest for search:

Wheels characterised by rail-engaging elements

B60B 17/00

Castor wheels

B60B 33/00

Special rules of classification

The precedential classification within B60C 1/00 should be given if the subject matter cannot to be classified within any subgroup of B60C 7/00. For example, disclosure which is related to the chemical composition of the tread but also discloses a solid tyre using foam material should be classified in both B60C 1/0016 as well as B60C 7/105.

characterised by means for increasing resiliency
Definition statement

This place covers:

Subject matter wherein there is provided means for absorbing road shocks other than the use of a pneumatic means (e.g. non-inflatable or solid tyre having a particular structure and/or composition).

Examples:

media58.pngmedia59.png

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Highly resilient wheels

B60B 9/00

{Tyre casings enclosing a distinct core, e.g. foam (enclosed chambers defined by a distinct core B60C 7/121)}
Definition statement

This place covers:

Subject matter wherein the tyre consists of a casing enclosing a core where the core may be separate or integral with the casing. The core and casing must be distinct by reason of differing materials or arrangement.

Example:

media64.pngmedia65.png

References
Limiting references

This place does not cover:

Tyre casing enclosing a distinct core where the core has chambers therein

B60C 7/121

Informative references

Attention is drawn to the following places, which may be of interest for search:

Pneumatic tyre at least partially filled with foam material

B60C 5/002

Tyres comprising resilient foam means which become load supporting in deflated or damaged condition

B60C 17/065

using enclosed chambers, e.g. gas-filled
Definition statement

This place covers:

Subject matter where the tyres use enclosed chambers where the chambers are effectively empty, i.e. not filled with a solid material.

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Inflatable tyres

B60C 5/00

{enclosed chambers defined by a distinct core}
Definition statement

This place covers:

Subject matter wherein the tyre consists of a casing enclosing a core where the core may be separate or integral with the casing. The core and casing must be distinct by reason of differing materials or arrangement and include chambers within the core.

Example:

media66.pngmedia67.png

Reinforcements or ply arrangement of pneumatic tyres (inserts having reinforcing means B60C 5/08; bead structure, e.g. turnup or overlap construction, B60C 15/00)
References
Limiting references

This place does not cover:

Inserts having reinforcing means

B60C 5/08

Bead structure, e.g. turnup or overlap construction

B60C 15/00

Informative references

Attention is drawn to the following places, which may be of interest for search:

Tyre cords per se

D02G 3/48

Fabrics per se

D03D, D04H

Metal ropes or cables per se

D07B 1/06

{Rubber strips or cushions at the belt edges}
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Compositions

B60C 2001/0075

Tread rings between dual tyres
Definition statement

This place covers:

Example:

media0.png

{Tread wear monitoring systems}
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Tyre pressure monitoring

B60C 23/04

{characterised by sidewall curvature}
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Carcass ply curvature

B60C 9/0292

Seating or securing beads on rims (sealing means between beads and rims of tubeless tyres B60C 5/16; means for securing solid tyres on rims B60C 7/24)
References
Limiting references

This place does not cover:

Sealing means between beads and rims of tubeless tyres

B60C 5/16

Means for securing solid tyres on rims

B60C 7/24

Informative references

Attention is drawn to the following places, which may be of interest for search:

{Asymmetric bead seats, e.g. different bead diameter or inclination angle (asymmetric transverse section B60C 3/06)}
References
Limiting references

This place does not cover:

Asymmetric transverse section

B60C 3/06

Informative references

Attention is drawn to the following places, which may be of interest for search:

Asymmetric bead reinforcement

B60C 2015/0696

Bead cores
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Producing bead-rings or bead-cores for tyres

B29D 30/48

{characterised by features of the bead filler or apex}
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Compositions of the apex rubber

B60C 2001/0058

Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Tyres having multiple separate inflatable chambers

B60C 5/20

Tyres having additional shear belt layers

B60C 9/18

Means facilitating folding of sidewalls, e.g. run-flat sidewalls
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Means facilitating folding of sidewalls for storage purposes

B60C 3/08

Puncture preventing arrangements
References
References out of a residual place

Examples of places in relation to which this place is residual:

Inflatable inserts having reinforcing means

B60C 5/08

Reinforcements or ply arrangement of pneumatic tyres

B60C 9/00

Informative references

Attention is drawn to the following places, which may be of interest for search:

Sealing compositions per se

B29C 73/163

Devices for introducing sealing compositions into the tyre

B29C 73/166

Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
Definition statement

This place covers:

Devices that are adapted for mounting on vehicles and are operational while the vehicle is moving.

Automatically distributing tyre pressure.

Monitoring tyre pressure status:

  • Directly by measuring tyre air pressure. 
  • Indirectly by monitoring tyre deformation.

Monitoring tyre temperature status.

Arrangement of tyre inflating pumps.

Arrangement of air tanks.

Tyre cooling arrangements.

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Tyre parts or constructions not otherwise provided for

B60C 19/00

Devices for introducing sealing compositions into articles

B29C 73/166

Producing pneumatic tyres or parts thereof

B29D 30/06

Tyre inflating devices, supplying air for tyre inflation

B60S 5/04

Air pumps per se

F04

Tyre valves

F16K 15/20

Check valves for inflatable bodies, e.g. tyres

F16K 15/207

Tanks per se

F17C

Measuring in general

G01

Measuring distance traversed on the ground by vehicles

G01C 22/00

Housings for sensors

G01D 11/245

Devices for measuring tyre pressure (e.g. hand held pressure gauges)

G01L 17/00

Testing of tyres

G01M 17/02

Remote signalling in general

G08

Antennas for use in vehicles

H01Q 1/32

Tyre mounted electrical circuits

Sensors measuring tyre wear

B60C 11/243

Tyre sensors other than for detecting tyre pressure

B60C 2019/004

Attaching fasteners to tyres

B29D 2030/0072

Directly attaching monitoring devices to tyres

B29D 2030/0077

Attaching monitoring devices by inserting them inside tyre cavities

B29D 2030/0083

Tyre sensors for brake control

B60T 8/1725

Sensors mounted on wheel or tire

B60W 2422/70

Tyre mounted RFID devices

G06K 19/07764

Tyre mounted antennas

H01Q 1/2241

Powering electrical circuits

Mechanical power producing mechanisms

F03G 7/00

Transponder powered from received waves

G01S 13/75

Piezo-electric generators in general

H01L 41/113

Supplying or distributing electric power by electromagnetic waves

H02J 50/00 - H02J 50/90

Electric generators per see

H02K

Rotary generators associated with wheels

H02K 7/1846

Wireless transmission of measurements

Pressure measurements for remote indication

G01L 19/086

Registering or indicating the working of vehicles and communicating information to a remotely located station

G07C 5/008

Transmission of measured signals using a wireless link

G08C 17/00

Near field transmission systems

H04B 5/00

Radio transmission systems

H04B 7/00

Sensors per se

Temperature sensors

G01K

Pressure and force sensing

G01L

{Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving}
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Devices for introducing sealing compositions into articles

B29C 73/166

{Wheel circumventing supply lines, e.g. not through or about the axles}
Definition statement

This place covers:

Illustrative example of subject matter classified in this group.

media45.png

{on the wheels or the hubs}
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Vehicle wheels

B60B

Hubs

B60B 27/00

{comprising two or more feedthrough}
Definition statement

This place covers:

Illustrative example of subject matter classified in this group.

media46.png

{Details of valves}
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Valves; taps; cocks; actuating-floats; devices for venting or aerating

F16K

{the control being done on the wheel, e.g. using a wheel-mounted reservoir}
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Pumps operated by a running wheel

B60C 23/12

{using straps surrounding the rims}
Definition statement

This place covers:

Illustrative example of subject matter classified in this group.

media47.png

Signalling devices actuated by deformation of the tyre {, e.g. tyre mounted deformation sensors or indirect determination of tyre deformation based on wheel speed, wheel-centre to ground distance or inclination of wheel axle}
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Wear-indicating arrangements

B60C 11/24

Arrangement of tyre-inflating pumps mounted on vehicles
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving

B60C 23/001

operated by a running wheel
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Wheel mounted reservoirs

B60C 23/004

{the pumps being mounted on the tyres}
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Tyre parts or constructions not otherwise provided for

B60C 19/00

Attaching fasteners to tyres, e.g. patches, in order to connect devices to tyres

B29D 2030/0072

{the pumps being mounted on the wheel rims}
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Vehicle wheels

B60B

{the pumps being mounted on the hubs}
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

{activated by force of gravity}
Definition statement

This place covers:

Illustrative example of subject matter classified in this group.

media48.png

{activated by centrifugal force}
Definition statement

This place covers:

Illustrative example of subject matter classified in this group.

media49.png

{activated due to tyre deformation}
Definition statement

This place covers:

Illustrative example of subject matter classified in this group.

media50.png

{comprising cam driven pistons}
Definition statement

This place covers:

Illustrative example of subject matter classified in this group.

media51.png

Apparatus or tools adapted for mounting, removing or inspecting tyres (testing of tyres G01M 17/02)
Definition statement

This place covers:

  • Hand-tools and machines for mounting or demounting a tyre on/ from a rim portion.
  • Demounting machines also include separation of tyres from rims by destroying one or both parts.

Example:

media1.png

media2.png

References
Limiting references

This place does not cover:

Testing of tyres

G01M 17/02

Informative references

Attention is drawn to the following places, which may be of interest for search:

Rims per se

B60B 21/00

Hand-tools or machines for mounting or demounting wheels to/ from a vehicle axle

B60B 29/00

Means for holding wheels or parts thereof

B60B 30/00

Balancing of wheels

G01M 1/045

Compensation of unbalance or matching of tyres

G01M 1/30

Compensation of unbalance by removing material from the tyre tread

G01M 1/34

for removing tyres from or mounting tyres on wheels
Definition statement

This place covers:

Devices for manually mounting or demounting tyres to/ from rims.

Example:

media3.png

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Machines for mounting or demounting tyres to/ from rims

B60C 25/05

Tyre levers or the like, e.g. hand-held
Definition statement

This place covers:

Tyre levers or similar hand-tools for manually mounting or demounting tyres to/ from rims.

Example:

media4.png

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Machine operated tyre levers

B60C 25/05

{with a jack}
Definition statement

This place covers:

Hand-tools provided with a jack for manually mounting/demounting tyres to/from rims

Example:

media5.png

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Machine operated devices

B60C 25/05

pivotal about the wheel axis, or movable along the rim edge, e.g. rollable
Definition statement

This place covers:

The hand-tools are pivotable around the wheel axis or movable along the rim edge for manually mounting/demounting tyres to/from rims

Example:

media6.png

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Machine operated device

B60C 25/05

Machines
Definition statement

This place covers:

Machines and motorized apparatus for mounting/ demounting tyres on/ from rims.

Example:

media7.png

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Hand-tools for mounting/ demounting tyres on/ from rims

B60C 25/01

Means for holding vehicle wheels or parts thereof

B60B 30/00

Matching of tyres with rims, i.e. conjoint balancing

G01M 1/30

for only seating the beads
Definition statement

This place covers:

Machines for only seating the beads of the tyre.

Example:

media8.png

Glossary of terms

In this place, the following terms or expressions are used with the meaning indicated:

seating the beads

bringing the bead portion of the tyre in contact with the inner side of the rim, but not in sealing contact with the rim flange. The bead portions are only within the rim well

acting on the tyre tread
Definition statement

This place covers:

Seating of the beads is done by acting on the tyre tread portion.

Example:

media10.png

Special rules of classification

Classification should be done in B60C 25/14 for locating the bead portions onto the sealing surface of the rim.

Glossary of terms

In this place, the following terms or expressions are used with the meaning indicated:

seating the beads

bringing the bead portion of the tyre in contact with the inner side of the rim, but not in sealing contact with the rim flange. The bead portions are only within the rim well

for only breaking the beads
Definition statement

This place covers:

Machines for only breaking the beads.

Example:

media11.png

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Separating the tyre from the rim by destroying the tyre

B60C 25/0524

Glossary of terms

In this place, the following terms or expressions are used with the meaning indicated:

Breaking the beads

dismantling the contact of the bead portion of the tyre from the bead seat of the rim portion

acting axially on the whole circumference of the bead or side wall
Definition statement

This place covers:

Machines for only breaking the beads while acting axially on the whole circumference of the bead portion of the tyre.

Example:

media12.png

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Separating the tyre from the rim by destroying the tyre

B60C 25/0524

Glossary of terms

In this place, the following terms or expressions are used with the meaning indicated:

Breaking the beads

dismantling the contact of bead portion of the tyre from the bead seat of the rim portion

acting axially on a part of the bead or side wall only at localised regions of the bead or side wall
Definition statement

This place covers:

Machines for only breaking the beads while acting axially at localised areas of the bead portion of the tyre.

Normally an additional device is present at the side of a tyre removing machine comprising a tool, e.g. a blade for axially pressing on localized areas of the bead region in order to break the beads.

Example:

media13.png

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Separating the tyre from the rim by destroying the tyre

B60C 25/0524

Glossary of terms

In this place, the following terms or expressions are used with the meaning indicated:

Breaking the beads

dismantling the contact of bead portion of the tyre from the bead seat of the rim portion

for removing and mounting tyres (for only seating the beads B60C 25/12; for only breaking the beads B60C 25/125 {; for locating provisionally the beads of tubeless tyres against the sealing surfaces of the rims B60C 25/145})
Definition statement

This place covers:

  • Machines for mounting/ demounting tyres to/ from rims.
  • Pulling the bead portion of the tyre over the rim edge is done by the machine.

Example:

media14.png

References
Limiting references

This place does not cover:

Machines for only seating the beads

B60C 25/12

Machines for only breaking the beads

B60C 25/125

Machines for locating provisionally the beads of tubeless tyres against the sealing surfaces of the rims

B60C 25/145

having a tyre support or a tool, movable along wheel axis
Definition statement

This place covers:

Machines wherein the tool, or the support of the tyre is movable along the wheel axis.

Example:

media15.png

with rotary motion of tool or tyre support
Definition statement

This place covers:

Machines with a rotating support (turntable) for the rim portion or a machine tool providing a rotary motion.

Examples:

media16.png

media17.png

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Means for holding wheels or parts thereof, also with turntables

B60B 30/00

Synonyms and Keywords

In patent documents, the following words/expressions are often used as synonyms:

  • turntable
  • self-centering device
  • rotary support
  • clamping device
Apparatus or tools for spreading {or locating} tyre beads
Definition statement

This place covers:

  • Devices for spreading the tyres.
  • Devices for locating the tyre beads in the rim well.

Example:

media18.png

{Devices for tightening or expanding the felly, devices for spreading the tyres}
Definition statement

This place covers:

  • Devices for spreading the tyres.
  • Devices for expanding or tightening split-rims.

Example:

media19.png

media20.png

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

inspecting tyres

B60C 25/002

{for locating provisionally the beads of tubeless tyres against the sealing surfaces of the rims, e.g. air filling bell}
Definition statement

This place covers:

Devices for locating the bead portions of the tyre against the sealing surface of the rim portion by applying air pressure.

Example:

media21.png

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Tyre inflation devices

B60S 5/04

Air pumps per se

F04

{Tools for repairing damaged tyres}
Definition statement

This place covers:

Devices and tools for repairing minor defects on damaged tyres by applying patches, inserting plugs etc.

Example:

media22.png

media23.png

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Patches or plugs per se

B29C 73/10

Applying sealant agents (Tyre-fit systems)

B29C 73/166

Special rules of classification

Tools for repairing tyres are also classified in B29C 73/08 and B29C 73/12.

Synonyms and Keywords

In patent documents, the following words/expressions are often used as synonyms:

  • patch
  • plug
Tools for mounting or demounting air valves
Definition statement

This place covers:

Apparatus and tools for mounting or demounting air valves on/ from wheel rims.

Example:

media24.png

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Air valves adapted for tyres or rims

B60C 29/00

Non-skid devices temporarily attachable to resilient tyres or resiliently-tyred wheels
Definition statement

This place covers:

Non-skid devices temporary attachable to tyre treads of a vehicle in order to enhance the traction of the vehicle.

Example:

media25.png

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Wheels or wheel attachments designed for increasing traction e.g. spade lugs

B60B 15/00

anti-skid devices mounted to the body frame of the vehicle e.g. rotatable chain wheels

B60B 39/003

particle dispensing devices in front of the tyres

B60B 39/02

endless track devices

B62D 55/00

extending over restricted arcuate part of tread (B60C 27/20 takes precedence)
Definition statement

This place covers:

The anti-skid device extends over restricted arcuate parts of the tread without being interconnected in the circumferential direction of the tyre.

Example:

media26.png

References
Limiting references

This place does not cover:

Ground-engaging plate-like traction elements

B60C 27/20

the ground-engaging part being rigid
Definition statement

This place covers:

The ground-engaging part of the anti-skid device is rigid and not elastic.

Example:

media27.png

Synonyms and Keywords

In patent documents, the following words/expressions are often used as synonyms:

  • yoke
  • cleat
  • gripping shoe
  • traction shoe
{involving retractable devices (fixing of spade lugs B60B 15/00)}
Definition statement

This place covers:

Retractable devices for increasing the traction of the tyre, wherein the device comes into contact with the tread of the tyre.

Example:

media28.png

References
Limiting references

This place does not cover:

Retractable devices which do not come in contact with the tread but stay besides the tyre

B60B 15/00

extending over the complete circumference of the tread, e.g. made of chains {or cables} (B60C 27/20 takes precedence)
Definition statement

This place covers:

Anti-skid devices extending over the whole circumference of the tread portion of the tyre.

Example:

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References
Limiting references

This place does not cover:

Devices comprising ground-engaging plate-like elements

B60C 27/20

Informative references

Attention is drawn to the following places, which may be of interest for search:

Devices with traction enhancing elements at localised parts of the tread without any connection between these parts on the circumference of the tyre

B60C 27/02

involving lugs or rings taking up wear {, e.g. chain links, chain connectors }
Definition statement

This place covers:

All different parts of the traction enhancing part of the anti-skid device such as chain links, chain connectors, stud links, etc.

Example:

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References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Chain elements per se, e.g. for hoisting equipment

F16G 15/00

having tensioning means
Definition statement

This place covers:

All parts for tensioning the anti-skid device to the respective tyre or wheel, e.g. pawl and ratchet means, rotatable hooks, etc.

Example:

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References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Chain shortener for hoisting

F16G 15/00

Synonyms and Keywords

In patent documents, the following words/expressions are often used as synonyms:

  • pawl
  • ratchet
  • reel
  • turnbuckle
resilient {pretension}
Definition statement

This place covers:

All resilient and elastic tensioning means e.g. comprising springs, elastic rings, elastic blocks of vulcanised rubber, etc.

Example:

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automatically attachable
Definition statement

This place covers:

The anti-skid device is automatically attachable to the tyre of the vehicle.

Example:

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{the anti-skid device being wound around the wheel by its rotation from a point connected to the body frame of the vehicle}
Definition statement

This place covers:

The anti-skid device is applied around the tyre tread from a point connected to the body frame of the vehicle.

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References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Vehicle mounted non-skid devices with no fixation or contact to the tyre tread portion

B60B 39/00

formed of close material, e.g. leather {or synthetic mats}
Definition statement

This place covers:

The traction enhancing elements are formed of close material e.g. rubber material, synthetic mats, leather, etc. extending over enlarged areas of the tread portion.

Example:

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the material being fabric, e.g. woven wire {or textile}
Definition statement

This place covers:

The anti-skid device is made of fabric material, e.g. woven wire, textile filaments, cordura etc.

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References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Fabrics per se

D04B 1/00

Patterned fabrics or articles made by weft knitting processes

D04B 1/10

Warp knitting processes or fabrics defined by such processes

D04B 21/00

Synonyms and Keywords

In patent documents, the following words/expressions are often used as synonyms:

  • canvas
  • cloth
  • woven
  • non-woven
  • textile
  • cordura
  • warp
  • weft
  • knit
  • twill
having ground-engaging plate-like elements
Definition statement

This place covers:

The ground-engaging parts being interconnected plate-like elements arranged on the circumference of the tread portion.

Example:

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Special rules of classification

Devices extending over restricted arcuate parts of the tread are only classified in B60C 27/02.

Devices on restricted arcuate part of tread with rigid traction enhancing parts are only classified in B60C 27/04.

for tandem tyres
Definition statement

This place covers:

Anti-skid devices applicable to tandem tyres on the same axis.

Example:

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References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Endless-track units

B62D 55/08

Endless track features between two wheels of different axes

B62D 55/24

Glossary of terms

In this place, the following terms or expressions are used with the meaning indicated:

tandem tyres

tyres located on the same axis one next to the other. Often used by lorries or trucks

Arrangements of tyre-inflating valves to tyres or rims; Accessories for tyre-inflating valves, not otherwise provided for (tools for mounting or demounting valves B60C 25/18)
Definition statement

This place covers:

  • tyre valves per se.
  • connection of the valve to the rim or the tyre.
  • accessories for valves (hose connections, caps, pressure relief devices).

Example:

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References
Limiting references

This place does not cover:

Tools for mounting or demounting valves

B60C 25/18

Informative references

Attention is drawn to the following places, which may be of interest for search:

Devices for measuring tyre pressure mounted in the vehicle

B60C 23/00

Auto-repairing devices or arrangements (e.g. by introducing sealing compositions into the tyre)

B29C 73/16

Supplying air for tyre inflation

B60S 5/04

Pumps actuated by muscle power

F04B 33/00

Valves per se or valve dust caps

F16K

Check valves for inflatable bodies, e.g. tyres

F16K 15/20

Couplings of the quick acting type (e.g. valve connectors)

F16L 37/00

Devices for measuring tyre pressure (e.g. hand-held pressure gauges)

G01L 17/00

Subject matter not provided for in other groups of this subclass
Definition statement

This place covers:

  • tyres for special use.
  • simulation or design methods for tyres.