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Indent Level
Color Curly Brackets (indicating CPC extensions to IPC)

CPC
COOPERATIVE PATENT CLASSIFICATION
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CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
NOTE
-
In this subclass, each of the main groups B62K 7/00 to B62K 15/00 takes precedence over all the preceding main groups, e.g. a child`s bicycle is classified in B62K 9/00 and not in B62K 3/00

Unicycles
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Bicycles
.
{
without a seat, i.e. the rider operating the vehicle in a standing position, e.g. non-motorized scooters; non-motorized scooters with skis or runners
}
.
{
Recumbent-type bicycles
}
.
{
Automatic balancing machines supporting a rider, e.g. "Segways"
}
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.
Frames (tandem frames B62K 3/14)
B62K 3/04
. .
having a substantially horizontal top bar
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B62K 3/06
. .
of open type
B62K 3/08
. . .
having crossing members
B62K 3/10
. .
of single-beam type, i.e. connecting steering head to rear axle
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.
Tandems
B62K 3/14
. .
Frames
.
specially adapted for disabled riders (invalid multi-track cycles A61G 5/00)
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Cycles with handlebars, equipped with three or more main road wheels (cycle supports or stands equipped with additional wheels for ride stabilisation B62H 1/12)
WARNING
-
Groups B62K 5/003 - B62K 5/10 correspond to IPC2013.01

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.
Cycles with four or more wheels, specially adapted for disabled riders, e.g. personal mobility type vehicles with four wheels (wheelchairs A61G 5/00)
B62K 5/007
. .
power-driven
.
Motorcycles with four or more wheels (specially adapted for disabled riders B62K 5/003)
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.
Tricycles (children's tricycles B62K 9/02)
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. .
specially adapted for disabled riders, e.g. personal mobility type vehicles with three wheels (wheelchairs A61G 5/00)
B62K 5/025
. . .
power-driven
. .
Motorcycles with three wheels (specially adapted for disabled riders B62K 5/023)
B62K 5/05
. .
characterised by a single rear wheel
. .
Frames for tricycles
.
with steering devices acting on two or more wheels
.
with means for inwardly inclining the vehicle body on bends
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Freight- or passenger-carrying cycles
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B62K 7/02
.
Frames
. .
having a carrying platform (article-carrying accessories B62J 7/00 to B62J 11/00)
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Children's cycles (toy vehicles A63H 17/00)
B62K 9/02
.
Tricycles
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Motorcycles, engine-assisted cycles or motor scooters with one or two wheels (fairings or streamlining parts not forming part of the frame B62J; transmission of drive from engines to wheels B62M)
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B62K 11/02
.
Frames (motor-cycles or cycles with auxiliary engines characterised by position of engine B62M)
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B62K 11/04
. .
characterised by the engine being between front and rear wheels
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B62K 11/06
. . .
the frame being of single-beam type
B62K 11/08
. . . .
the beam being fabricated from sheet metal, e.g. forming fuel tank walls
B62K 11/10
. .
characterised by the engine being over or beside driven rear wheel
B62K 11/12
.
Steering wheel forks characterised by the association therewith of engine
.
Handle-bar constructions, or arrangements of controls thereon, specially adapted thereto (hand controls per se B62K 23/02)
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Cycles convertible to, or transformable into, other type of cycle or land vehicle (cycle supports or stands equipped with additional wheels for ride stabilisation B62H 1/12)
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B62K 13/02
.
to a tandem
B62K 13/025
. .
{
from two or more cycles
}
B62K 13/04
.
to a tricycle
B62K 13/06
.
to a quadricycle, e.g. by coupling together two bicycles side by side
.
Frames
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Collapsible or foldable cycles
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B62K 15/006
.
{
the frame being foldable
}
B62K 15/008
. .
{
foldable about 2 or more axes
}
Cycles not otherwise provided for
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Cycle frames (cycle frames specially adapted for one particular kin of cycle specified in groups B62K 1/00 to B62K 17/00, see the relevant group)
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B62K 19/02
.
characterised by material or cross-section of frame members
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B62K 19/04
. .
the material being wholly or mainly metallic, e.g. of high elasticity
B62K 19/06
. . .
tubular
B62K 19/08
. . .
made from sheet
B62K 19/10
. . .
Combinations of tube and sheet
B62K 19/12
. . .
having cast members
B62K 19/14
. .
the material being wholly or mainly wood
B62K 19/16
. .
the material being wholly or mainly of plastics
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B62K 19/18
.
Joints between frame members
B62K 19/20
. .
welded, soldered, or brazed
B62K 19/22
. .
Adhesive joints
B62K 19/24
. .
Screwed joints
B62K 19/26
. .
Riveted joints
B62K 19/28
. .
Means for strengthening joints
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.
Frame parts shaped to receive other cycle parts or accessories (axle suspensions B62K 25/00)
. .
Steering heads (bearings therefor B62K 21/06)
. .
Bottom brackets
B62K 19/36
. .
for attaching saddle pillars, e.g. adjustable during ride
B62K 19/38
. .
for attaching brake members
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B62K 19/40
. .
for attaching accessories, e.g. article carriers, lamps
. . .
for tyre pumps (attachment devices not forming part of frame B62J 11/02)
.
Chain-guards forming part of frame (chain-guards per se B62J 13/00)
.
Luggage carriers forming part of frame (luggage carriers per se B62J 7/00)
.
Fairings forming part of frame
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Steering devices (steering devices specially adapted for one particular kind of cycle specified in groups B62K 1/00 to B62K 17/00, see the relevant group)
B62K 21/005
.
{
Steering pivot axis arranged within the wheel e.g. for a hub center steering arrangement
}
B62K 21/02
.
Front wheel forks or equivalent, e.g. single tine
.
Fork crowns
.
Bearings specially adapted for steering heads (bearings in general F16C)
.
Steering dampers (dampers in general F16F)
B62K 21/10
.
Mechanisms for restoring steering device to straigt-ahead position
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B62K 21/12
.
Handle-bars; Handle-bar stems
B62K 21/125
. .
{
Extensions; Auxiliary handlebars
}
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B62K 21/14
. .
having resilient parts therein
B62K 21/145
. . .
{
the handlebar itself being flexible
}
B62K 21/16
. .
having adjustable parts therein
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B62K 21/18
.
Connections between forks and handle-bars or handle-bar stems
. .
resilient
B62K 21/22
. .
adjustable
B62K 21/24
. .
readily releasable
.
Handle-bar grips (twist grips B62K 23/04)
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Rider-operated controls specially adapted for cycles, i.e. means for initiating control operations, e.g. levers, grips (specially adapted to cycle brake mechanisms B62L 3/00)
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.
hand actuated (arrangements of controls on handle-bars of engine-driven cycles B62K 11/14)
B62K 23/04
. .
Twist grips
B62K 23/06
. .
Levers
.
foot actuated
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Axle suspensions (for vehicles in general B60G)
B62K 25/005
.
{
characterised by the axle being supported at one end only
}
.
for mounting axles rigidly on cycle frame or fork, e.g. adjustably
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.
for mounting axles resiliently on cycle frame or fork (for sidecars, forecars or the like B62K 27/06)
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. .
with telescopic fork, e.g. including auxiliary rocking arms
B62K 25/08
. . .
for front wheel
B62K 25/10
. . .
for rear wheel
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B62K 25/12
. .
with rocking arm pivoted on each fork leg (in combination with telescopic fork B62K 25/06)
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B62K 25/14
. . .
with single arm on each fork leg
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. . . .
for front wheel
B62K 25/18
. . . . .
the arm being pivoted intermediate its ends
B62K 25/20
. . . .
for rear wheel
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. . .
with more than one arm on each fork leg
. . . .
for front wheel
. . . .
for rear wheel
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B62K 25/28
. .
with pivoted chain-stay
B62K 25/283
. . .
{
for cycles without a pedal crank, e.g. motorcycles
}
B62K 25/286
. . .
{
the shock absorber being connected to the chain-stay via a linkage mechanism
}
B62K 25/30
. . .
pivoted on pedal crank shelf (B62K 25/32 takes precedence)
. . .
the chain-stay forming a chain-guard
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Sidecars; Forecars;
{
Trailers or the like specially adapted to be attached to cycles
}
(trailers B60P; B62D; characterised by carrying propulsion engine
{
B62M 7/14
}
)
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B62K 27/003
.
{
Trailers
}
WARNING
-
This group and its subgroups are not complete pending a reclassification; see also B62K 27/00 and subgroups

B62K 27/006
. .
{
having a single wheel
}
.
Frames
B62K 27/04
.
Car bodies; Fairings
B62K 27/06
.
Resilient axle suspension
B62K 27/08
.
Resilient car-body suspension on frame
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B62K 27/10
.
Other component parts or accessories
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B62K 27/12
. .
Coupling parts for attaching cars or the like to cycle; Arrangements thereof
B62K 27/14
. . .
Resilient coupling parts
B62K 27/16
. .
Hoods; Weather-guards, e.g. windscreens
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B62K 2003/00
Bicycles
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B62K 2003/12
.
Tandems
B62K 2003/125
. .
Tandems with side-by-side seating
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B62K 2005/00
Cycles with handlebars, equipped with three or more main road wheels (cycle supports or stands equipped with additional wheels for ride stabilisation B62H 1/12)
WARNING
-
Groups B62K 5/003 - B62K 5/10 correspond to IPC2013.01

B62K 2005/001
.
Suspension details for cycles with three or more main road wheels
B62K 2005/002
.
with adaptations to be used as golf carts
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B62K 2015/00
Collapsible or foldable cycles
B62K 2015/001
.
Frames adapted to be easily dismantled
B62K 2015/003
.
having a foldable crank or pedal
B62K 2015/005
.
having additional wheels for use when folded or collapsed
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B62K 2025/00
Axle suspensions (for vehicles in general B60G)
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B62K 2025/02
.
for mounting axles rigidly on cycle frame or fork, e.g. adjustably
B62K 2025/025
. .
Hinged axle clamps
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B62K 2025/04
.
for mounting axles resiliently on cycle frame or fork (for sidecars, forecars or the like B62K 27/06)
B62K 2025/041
. .
the cycle frame being made of a flexible material
B62K 2025/042
. .
Suspensions with sprung hubs
B62K 2025/044
. .
Suspensions with automatic adjustment
B62K 2025/045
. .
Suspensions with ride-height adjustment
B62K 2025/047
. .
with suspension locking means
B62K 2025/048
. .
with suspension manual adjustment details
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B62K 2201/00
Springs used in cycle frames or parts thereof
B62K 2201/02
.
Rubber springs
B62K 2201/04
.
Helical springs
B62K 2201/06
.
Leaf springs
B62K 2201/08
.
Fluid springs
B62K 2202/00
Motorised scooters
B62K 2204/00
Adaptations for driving cycles by electric motor (for driving electrically assisted bicycles B62M 6/00)
B62K 2206/00
Quick release mechanisms adapted for cycles
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B62K 2207/00
Sensors adapted for use on cycles, not otherwise provided for
B62K 2207/02
.
for sensing lateral inclination of the cycle
B62K 2207/04
.
for sensing longitudinal inclination of the cycle
B62K 2208/00
Arrangements of batteries on cycles, when not used for a cycle with auxiliary electric motor as provided for in B62M 6/90; Batteries specially adapted therefor
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B62K 2700/00
Frames for bicycles
NOTE
-

1) This code and all of its subdivisions are not used for classification of new documents;
2) This code and all its subdivisions were used for indexing documents which were classified in the former Dutch IdT main group 63B and sub-groups, and which have been administratively classified in best proximate CPC groups

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B62K 2700/02
.
Frames for cycles characterised by the material used, i.e. where the construction of the frame is unimportant
B62K 2700/04
. .
Frames for cycles characterised by the shape of the material used
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B62K 2700/10
. .
Frames for cycles characterised by the kind of material used
B62K 2700/12
. . .
Metallic frames
B62K 2700/14
. . .
Wooden frames
B62K 2700/16
. . .
Frames constructed from another material other than wood or metal
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B62K 2700/20
.
Frames for cycles characterised by their shape
B62K 2700/22
. .
Frames for cycles with two wheels positioned next to one another
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B62K 2700/30
. .
Frames for cycles with two wheels positioned one behind the other; Cycles without a special usage
B62K 2700/32
. . .
Elastic frames
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B62K 2700/34
. . .
Rigid frames
B62K 2700/36
. . . .
Polygonal frames with four sides, for men
B62K 2700/38
. . . .
Frames with crossing elements connecting between the steering head tube and the seat tube
B62K 2700/40
. . . .
Cross shaped frames
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B62K 2700/50
. .
Frames for cycles with two wheels positioned one behind the other, e.g. cycles with a special usage
B62K 2700/52
. . .
Frames characterised by the position of the cyclist
B62K 2700/54
. . .
Frames for a plurality of cyclists; Propulsion means therefor
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B62K 2700/56
. . .
Frames for cycles propelled by foot contact on the ground, scooters
B62K 2700/58
. . . .
Propulsion means
B62K 2700/60
. . .
Frames of a special shape with regard to luggage transportation
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B62K 2710/00
Frames or general construction of cycles with side cars or trailers
NOTE
-
1) This code and all its subdivisions are not used for classification of new documents; 2) This code and all its subdivisions were used for indexing documents which were classified in the former Dutch IdT main group 63H and sub-groups, and which have been administratively classified in best proximate CPC groups

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B62K 2710/02
.
Side cars and trailers for cycles
B62K 2710/04
. .
Bodywork, mudguards, luggage carriers, heating or ventilation devices
B62K 2710/06
. .
Hoods
B62K 2710/08
. .
Resilient bodywork suspension
B62K 2710/10
. .
Resilient axle suspension
B62K 2710/12
. .
Coupling parts
B62K 2710/14
. .
Steering mechanisms for motorcycles with side cars or for side cars with a driven wheel
B62K 2710/16
. .
Trailers for cycles and their couplings
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013