CPC Definition - Subclass B62K
This place covers:
Cycle frames, steering, controls, suspension arrangements vehicles with more than three wheels and cycle side cars, forecars and trailers.
Multiple classification should be given if appropriate.
Where applicable, additional classification should also be givenusing the following Indexing Codes:
B62K 2201/00 Springs used in cycle frames or parts thereof;
B62K 2202/00 Motorized scooters;
B62K 2204/00 Adaptations for driving cycles by electric motor (for driving electrically assisted bicycles B62M 6/00).
This place covers:
Cycles with a single road engaging wheel.
Attention is drawn to the following places, which may be of interest for search:
Hoop exercising apparatus including wheels in which people can sit |
This place covers:
This is the head group where classification is given if none of the sub groups are relevant and as such contains particularly unusual bicycle arrangements
This place covers:
Push scooter type vehicles (kickboards) equiped with a handlebar for steering, including motor arrangements for these scooters
This place does not cover:
Skate-boards |
This place covers:
Bicycles in which the rider adopts a reclined riding position, either on his front, or on his back.
This place covers:
Bicycle frames as a complete unit e.g. details of the bicycle frame shape. Constructional details of the frame are in B62K 19/00
This place does not cover:
Attention is drawn to the following places, which may be of interest for search:
Constructional details of the frame |
Additional classification has to be given in the indented codes
This place does not cover:
Cycles with three or more wheels, specially adapted for disabled riders | |
Invalid multi-track vehicles e.g. wheelchairs |
This place covers:
Sub groups include tricycles
This place does not cover:
Cycle supports or stands equipped with additional wheels for ride stabilisation |
Attention is drawn to the following places, which may be of interest for search:
Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern (sub-groups include tricycles) |
Additional classification has to be given in the indented codes
This place does not cover:
Invalid multi-track vehicles e.g. wheelchairs |
This place does not cover:
Specially adapted for disabled riders |
This place does not cover:
Wheelchairs |
This place does not cover:
Specially adapted for disabled riders |
Attention is drawn to the following places, which may be of interest for search:
Cycle frames e.g. adaptations or constructional details of the frame |
This place covers:
Only for documents in which the steering arrangement is specifically described. Includes power steering arrangements acting on two or more wheels for cycles with handlebars with more than two main road wheels.
Attention is drawn to the following places, which may be of interest for search:
Power steering for vehicles |
This place covers:
Cycles especially adapted to carry bulky packages/freight items or adapted for carrying one or more passengers in addition to the rider,
Attention is drawn to the following places, which may be of interest for search:
Article-carrying accessories |
This place covers:
Childrens bicycles, tricycles and pedal cars and similar childrens vehicles which may be motorised and which comprise special adaptations for their use by children.
This place does not cover:
Apparatus for helping babies to walk; Baby walkers or strollers | |
Toy vehicles |
Attention is drawn to the following places, which may be of interest for search:
Vehicle understructures, specially adapted for sports vehicles, e.g. go-karts |
This place covers:
Frames (chassis) or frame adaptations of single wheeled or single track two-wheeled vehicles (i.e. with a front wheel and a rear wheel) equipped with an engine or motor, not intended to be propelled using human power.
This place does not cover:
Attention is drawn to the following places, which may be of interest for search:
Luggage carriers forming part of frame e.g. under seat storage areas | |
Arrangement of engine supports in general | |
Fairings or streamlining parts, not forming part of frame | |
Characterised by the use of two or more dissimilar sources of power, e.g. transmissions for hybrid motorcycles |
In B62K 11/00 cycle should be interpreted like a moped, with more emphasis on the motorcycle, rather than a bicycle with motor/engine assist which should be in B62M 6/00. All unicycles should be in B62K 1/00. Any specific frame modification specifically for mounting an engine or motor which are relevant to non-pedalled cycles (with less than 3 wheels) should be classified here.
This place covers:
- Vehicles which use electrically driven wheel or wheels to remain upright while also propelling the rider in a desired direction.
- Control of the electric drive for balancing
Balancing machines having a single main ground engaging wheel should be further classified in B62K 1/00 for unicycles.
If there is an additional support wheel (see ref. 4 in the second figure) the device will still be considered a unicycle.
Attention is drawn to the following places, which may be of interest for search:
Hand controls per se |
This place covers:
Cycles or accessories for cycles which facilitate the adaptation/conversion or transformation of a cycle into a different type of cycle or land vehicle.
This place does not cover:
Cycle supports or stands equipped with additional wheels for ride stabilisation |
Examples of accessories to be classified here may be a pair of rear wheels, not training wheels, mounted to a common bicycle to convert it to a tricycle or skis attachable to the wheels of the conventional cycle to adapt it for snow.
Attention is drawn to the following places, which may be of interest for search:
Cycle frames e.g. adaptations or constructional details of the frame |
Additional classification has to be given in the indented codes
This place covers:
Unusual cycles or cycles with unusual characterizing features or appearance which do not readily fall into the other groups.
This place covers:
Details of frame construction e.g. adaptations or constructional details of the frame.
This place does not cover:
Axle suspensions |
Attention is drawn to the following places, which may be of interest for search:
Bearings specially adapted for steering heads |
Attention is drawn to the following places, which may be of interest for search:
Combination of crank axles and bearings housed in the bottom bracket |
Attention is drawn to the following places, which may be of interest for search:
Attachment devices for pumps not forming part of frame |
Attention is drawn to the following places, which may be of interest for search:
Chain-guards per se |
This place covers:
Storage areas on motorcycles, e.g. under seat.
This place does not cover:
Luggage carriers per se |
Attention is drawn to the following places, which may be of interest for search:
Weather guards for riders; Fairings or stream-lining parts not otherwise provided for |
This place covers:
Specific arrangements for steering a wheel of a two-wheeled cycle.
Attention is drawn to the following places, which may be of interest for search:
Bearings in general |
Attention is drawn to the following places, which may be of interest for search:
Dampers in general |
This place does not cover:
Twist grips |
This place covers:
Human operated cycle control devices for e.g. brake or gear change or throttle (gas) or clutch mechanisms
This place does not cover:
Brake actuating mechanisms |
Where the control relates to a gear activation mechanism, this should additionally be classified in the relevant group under B62M 25/00.
Attention is drawn to the following places, which may be of interest for search:
Arrangements of controls on handle-bars of engine-driven cycles | |
Controlling members for hand actuation by pivoting movement, e.g. levers |
Attention is drawn to the following places, which may be of interest for search:
Motorcycle type sequential gear change mechanisms |
This place covers:
The connection between the wheel axle or its equivalent and the cycle frame.
Attention is drawn to the following places, which may be of interest for search:
Hubs for bicycles | |
Axle suspensions for vehicles in general |
This place covers:
includes all quickly detachable axles i.e. drop-outs
Additional classification has to be given in the indented codes
This place covers:
Includes sprung hubs and sprung frames (flexible frames).
This place does not cover:
Resilient axle suspension, for sidecars, forecars or the like |
Attention is drawn to the following places, which may be of interest for search:
Shock absorber internal details |
Additional classification has to be given in the indented codes
This place covers:
This group does not include telescopic shock absorbers unless they incorporate the fork legs also
This place covers:
A lever arm connecting the front wheel axle to the frame, see the example figure with arm (28) pivoted on fork leg (14).
This place covers:
Wheel suspension comprising more than one lever arm connecting the wheel axle to the frame i.e. with extra linkages, the details being applicable equally to both the front and rear wheel.
This place covers:
Wheel suspension comprising more than one lever arm connecting the wheel axle to the frame i.e. with extra linkages, the details being specifically applicable to just the front wheel.
This place covers:
Wheel suspension comprising more than one lever arm connecting the wheel axle to the frame i.e. with extra linkages, the details being specifically applicable to just the rear wheel.
Attention is drawn to the following places, which may be of interest for search:
Guards for the chain or belt |
This place covers:
Additional wheeled units that can be attached to the side of the cycle (sidecars) or the rear of the cycle (trailers) or the front of the cycle (forecars).
Trailers for carrying other vehicles | |
Trailers in general | |
Characterised by trailer carrying propulsion engine | |
Hand carts |
All trailers for bicycles are classified in group B62K 27/003 and circulated to B62D 63/06 for trailers in general.
Wheeled units are not always trailers or cars. The wheeled unit, i.e. the platform or frame with a wheel on it, is attached to the side, front or rear. So-called trailers are attached to the rear and are classified in subgroup B62K 27/003 and should also be considered for trailers in general (B62D).
Attention is drawn to the following places, which may be of interest for search:
Cycle frames e.g. adaptations or constructional details of the frame |
Attention is drawn to the following places, which may be of interest for search:
Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor |