B
SECTION B — PERFORMING OPERATIONS; TRANSPORTING
 B01 - 
B07
Subsection index
LIQUID/LIQUID, LIQUID/GAS OR GAS/GAS SEPARATION
Method
General operationsB01D
by centrifugal force, using centrifuges or free-vortex apparatusB01D
using magnetic or electrostatic effectB03C
Apparatus
General operationsB01D
by centrifugal force, using centrifuges or free-vortex apparatusB04B, B04C
using magnetic or electrostatic effectB03C
SOLID/LIQUID OR SOLID/GAS SEPARATION
Method
General operationsB01D
by centrifugal forceB01D
using centrifuges or free-vortex apparatusB01D
using magnetic or electrostatic effectB03C
Apparatus
General operationsB01D
by centrifugal forceB01D
using centrifuges or free-vortex apparatusB04B, B04C
using magnetic or electrostatic effectB03C
SOLID/SOLID SEPARATION
Method
Dry methods
material in bulkB07B
Individual sortingB07C
Screening, sifting, pneumatic sortingB07B
using pneumatic tables or jigsB03B
by magnetic or electrostatic effectB03C
by centrifugal forceB07B
using centrifuges or free-vortex apparatusB07B
Wet methods
General operationsB03B
flotation, differential sedimentationB03D
screeningB07B
Combinations Dry methods - wet methodsB03B
Apparatus
Dry methods
material in bulkB07B
Individual sortingB07C
Screening, sifting, pneumatic sortingB07B
using pneumatic tables or jigsB03B
by magnetic or electrostatic effectB03C
by centrifugal forceB07B
using centrifuges or free-vortex apparatusB04B, B04C
Wet methods
General operationsB03B
flotation, differential sedimentationB03D
screeningB07B
Combinations Dry methods - wet methodsB03B
  
TRANSPORTING
 B62
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
 B62K
CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDECARS, FORECARS, OR THE LIKE
 B62K
Subclass index
KINDS OF CYCLES
Characterised by construction:
number of wheels: unicycle; bicycle; with more than two wheels 1/00; 3/00; 5/00
with motor 11/00
sidecar, forecar 27/00
convertible; foldable 13/00; 15/00
Characterised by purpose: for transport; for children 7/00; 9/00
Other kinds 17/00
PARTS OF CYCLES
Frame; axle suspension 19/00; 25/00
Steering; terminal controls 21/00; 23/00
 B62K 1/00 - 
B62K 5/00

Note(s)

Groups B62K 7/00-B62K 15/00 take precedence over groups B62K 1/00-B62K 5/00, e.g. a child's bicycle is classified in group B62K 9/00 and not in group B62K 3/00.

P:70 B62K 1/00
Unicycles
P:60 B62K 3/00
Bicycles
 B62K 3/02
·  Frames (tandem frames B62K 3/14)
 B62K 3/04
·  ·  having a substantially-horizontal top bar
 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
 B62K 3/12
·  Tandems
 B62K 3/14
·  ·  Frames
 B62K 3/16
·  specially adapted for disabled riders
P:50 B62K 5/00
Cycles with more than two main road wheels (specially adapted for disabled persons A61G 5/00; cycle supports or stands equipped with additional wheels for ride stabilisation B62H 1/12)
 B62K 5/02
·  Tricycles
 B62K 5/04
·  ·  with two coaxial wheels
 B62K 5/06
·  ·  ·  Frames
 B62K 5/08
·  Steering devices acting on more than one wheel
P:30 B62K 7/00
Freight- or passenger-carrying cycles
 B62K 7/02
·  Frames
 B62K 7/04
·  ·  having a carrying platform (article-carrying accessories B62J 7/00-B62J 11/00)
P:40 B62K 9/00
Children's cycles (toy vehicles A63H 17/00)
 B62K 9/02
·  Tricycles
P:20 B62K 11/00
Motorcycles; Engine-assisted cycles; Motor-scooters (fairings or streamlining parts, not forming part of frame B62J; transmission of drive from engine to wheels B62M)
 B62K 11/02
·  Frames (motorcycles or cycles with auxiliary engines characterised by position of engine B62M)
 B62K 11/04
·  ·  characterised by the engine being between front and rear wheels
 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
 B62K 11/14
·  Handle-bar constructions, or arrangements of controls thereon, specially adapted thereto (hand controls per se B62K 23/02)
P:10 B62K 13/00
Cycles convertible to, or transformable into, other types of cycles or land vehicles (convertible vehicles in general B60F 5/00; cycle supports or stands equipped with additional wheels for ride stabilisation B62H 1/12)
 B62K 13/02
·  to a tandem
 B62K 13/04
·  to a tricycle
 B62K 13/06
·  to a quadricycle, e.g. by coupling together two bicycles side by side
 B62K 13/08
·  Frames
P:0 B62K 15/00
Collapsible or foldable cycles
P:80 B62K 17/00
Cycles not otherwise provided for
P:90 B62K 19/00
Cycle frames (cycle frames specially adapted for one particular kind of cycle specified in groups B62K 1/00-B62K 17/00, see the relevant group)
 B62K 19/02
·  characterised by material or cross-section of frame members
 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
 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
 B62K 19/30
·  Frame parts shaped to receive other cycle parts or accessories (axle suspensions B62K 25/00)
 B62K 19/32
·  ·  Steering heads (bearings therefor B62K 21/06)
 B62K 19/34
·  ·  Bottom brackets
 B62K 19/36
·  ·  for attaching saddle pillars, e.g. adjustable during ride
 B62K 19/38
·  ·  for attaching brake members
 B62K 19/40
·  ·  for attaching accessories, e.g. article carriers, lamps
 B62K 19/42
·  ·  ·  for tyre pumps (attachment devices not forming part of frame B62J 11/02)
 B62K 19/44
·  Chain-guards forming part of frame (chain-guards per se B62J 13/00)
 B62K 19/46
·  Luggage carriers forming part of frame (luggage carriers per se B62J 7/00)
 B62K 19/48
·  Fairings forming part of frame
P:100 B62K 21/00
Steering devices (steering devices specially adapted for one particular kind of cycle specified in groups B62K 1/00-B62K 17/00, see the relevant group)
 B62K 21/02
·  Front wheel forks or equivalent, e.g. single tine
 B62K 21/04
·  Fork crowns
 B62K 21/06
·  Bearings specially adapted for steering heads (bearings in general F16C)
 B62K 21/08
·  Steering dampers (dampers in general F16F)
 B62K 21/10
·  Mechanisms for restoring steering device to straight-ahead position
 B62K 21/12
·  Handle-bars; Handle-bar stems
 B62K 21/14
·  ·  having resilient parts therein
 B62K 21/16
·  ·  having adjustable parts therein
 B62K 21/18
·  Connections between forks and handle-bars or handle-bar stems
 B62K 21/20
·  ·  resilient
 B62K 21/22
·  ·  adjustable
 B62K 21/24
·  ·  readily releasable
 B62K 21/26
·  Handle-bar grips (twist grips B62K 23/04)
P:110 B62K 23/00
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)
 B62K 23/02
·  hand-actuated (arrangements of controls on handle-bars of engine-driven cycles B62K 11/14)
 B62K 23/04
·  ·  Twist grips
 B62K 23/06
·  ·  Levers
 B62K 23/08
·  foot-actuated
P:120 B62K 25/00
Axle suspensions (for vehicles in general B60G)
 B62K 25/02
·  for mounting axles rigidly on cycle frame or fork, e.g. adjustably
 B62K 25/04
·  for mounting axles resiliently on cycle frame or fork (for sidecars, forecars, or the like B62K 27/06)
 B62K 25/06
·  ·  with telescopic fork, e.g. including auxiliary rocking arms
 B62K 25/08
·  ·  ·  for front wheel
 B62K 25/10
·  ·  ·  for rear wheel
 B62K 25/12
·  ·  with rocking arm pivoted on each fork leg (in combination with telescopic fork B62K 25/06)
 B62K 25/14
·  ·  ·  with single arm on each fork leg
 B62K 25/16
·  ·  ·  ·  for front wheel
 B62K 25/18
·  ·  ·  ·  ·  the arm being pivoted intermediate its ends
 B62K 25/20
·  ·  ·  ·  for rear wheel
 B62K 25/22
·  ·  ·  with more than one arm on each fork leg
 B62K 25/24
·  ·  ·  ·  for front wheel
 B62K 25/26
·  ·  ·  ·  for rear wheel
 B62K 25/28
·  ·  with pivoted chain-stay
 B62K 25/30
·  ·  ·  pivoted on pedal crank shelf (B62K 25/32 takes precedence)
 B62K 25/32
·  ·  ·  the chain-stay forming a chain-guard
P:130 B62K 27/00
Sidecars; Forecars or the like (trailers B60P, B62D; characterised by carrying propulsion engine B62M)
 B62K 27/02
·  Frames
 B62K 27/04
·  Car bodies; Fairings
 B62K 27/06
·  Resilient axle suspension
 B62K 27/08
·  Resilient car-body suspension on frame
 B62K 27/10
·  Other component parts or accessories
 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