(0)B66C:3/3:

IPC6

SECTION B - PERFORMING OPERATIONS; TRANSPORTING

CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES,...

B66C

4/4

B66C015/00 - B66C023/92

Safety gear (for rope, cable, or chain winding mechanisms B 66 D 1/54)

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for retaining load-engaging elements in the event of rope or cable breakage

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for preventing collisions, e.g. between cranes or trolleys operating on the same track

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Arrangements or use of warning devices [2]

Kinds or types of cranes (adaptations of girders or of track-supporting structures B 66 C 6/00) [2]

Overhead travelling cranes comprising one or more substantially-horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports

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with lifting beams, e.g. slewable beams, carrying load-engaging elements, e.g. magnets, hooks (constructions of load-engaging elements B 66 C 1/00, B 66 C 3/00)

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specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes (B 66 C 17/04 takes precedence)

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for charging treatment chambers, e.g. furnaces, kilns, ovens (charging furnaces in general F 27 D 3/00)

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for transporting ladles

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for handling workpieces, e.g. ingots, which require to be supported temporarily within, or withdrawn from, a treatment chamber, e.g. tong cranes, soaking-pit cranes, stripper cranes (for manipulating ingots during forging B 66 C 17/18; grippers for handling or stripping castings or ingots during manufacture B 22 D 29/00)

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Tong cranes with means for moving article-pushers relative to the tongs

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Tong cranes with means for turning the tongs about a vertical axis

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for manipulating workpieces during forging operations (workpiece manipulators in forging machines B 21 J 13/10)

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for hoisting or lowering heavy load carriers, e.g. freight containers, railway wagons

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for hoisting or lowering locomotives

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for building ships on slipways

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combined with auxiliary apparatus, e.g. log saws, pushers for unloading vehicles, means for shunting railway vehicles

Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries (B 66 C 17/00 takes precedence; base-supporting structures with legs B 66 C 5/00; jib cranes B 66 C 23/00)

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collapsible

Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways (rope or cable drives for trolleys, combinations of such drives with hoisting gear B 66 C 11/16; railway systems B 61 B; rope or cable winding mechanisms B 66 D 1/00)

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with cable-ways supported on framework swingably connected to ground-engaging elements

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with cable-ways supported at one end or both ends on bodily-movable framework, e.g. framework mounted on rail track

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with one end supported on a framework movable in a curved, e.g. circular, path and the other end by a column rotatable around a vertical axis

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Sag carriers or rope trolleys, suspended or not, e.g. fixed but offering clearance for travelling gear

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travelling

Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks, tower cranes (base-supporting structures with legs B 66 C 5/00 )

Note

Group B 66 C 23/64 takes precedence over groups B 66 C 23/02 to B 66 C 23/16. [5]

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with non-adjustable and non-inclinable jibs mounted solely for slewing movements

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with jibs the effective length of which is variable in operation, e.g. longitudinally displaceable, extensible

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with jibs mounted for jibbing or luffing movements

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and adapted to move the loads in predetermined paths

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the paths being substantially horizontal; Level-luffing jib cranes

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with means for automatically varying the effective length of the hoisting rope or cable

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with means, e.g. pantograph arrangements, for varying jib configuration

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with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements

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specially adapted for use in particular locations or for particular purposes (B 66 C 23/02 to B 66 C 23/16, B 66 C 23/58 to B 66 C 23/88 take precedence) [5]

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with supporting couples provided by walls of buildings or like structures

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Window cranes, i.e. adapted to be supported in window openings

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Mobile wall cranes

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for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail (with supporting couples provided by walls or buildings B 66 C 23/20; mounted on vehicles B 66 C 23/36) [5]

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constructed to operate at successively higher levels

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with frameworks composed of telescopic elements

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Self-hoisting cranes

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Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes

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mounted on road or rail vehicles; Manually-movable jib cranes for use in workshops; Floating cranes (vehicle or ship aspects B 60 to B 63)

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with separate prime movers for crane and vehicle

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with a single prime mover for both crane and vehicle

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with jibs of adjustable configuration, e.g. foldable

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Jib cranes adapted for attachment to standard vehicles, e.g. agricultural tractors

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Mobile jib cranes with non-slewable jibs

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Manually-movable jib cranes for use in workshops

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mounted on railway vehicles, e.g. breakdown cranes

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Floating cranes (floating dredgers E 02 F)

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including counterweight or means to compensate for list, trim, or skew of the vessel or platform (counterweights or supports for balancing lifting couples B 66 C 23/72; equipment to decrease unwanted vessel movements B 63 B 39/00 ) [4]

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arranged to carry-out a desired sequence of operations automatically, e.g. hoisting followed by luffing and slewing

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Derricks [3]

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with slewing force exerted at pivoted end [3]

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Constructional features or details (of dredgers E 02 F)

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Jibs

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Outer or upper end constructions

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foldable or otherwise adjustable in configuration (B 66 C 23/687, B 66 C 23/70 take precedence) [5]

extensible by fluid pressure [5]

697

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providing bearing means between sections [5]

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assembled from separate sections to form jibs of various discrete lengths

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Counterweights or supports for balancing lifting couples

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separate from jib

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and movable to take account of variations of load or of variations of length of jib

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Supports, e.g. outriggers, for mobile cranes

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hydraulically actuated

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Luffing gear

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Slewing gear (anti-friction bearings F 16 C)

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hydraulically actuated

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Safety gear (for cranes in general B 66 C 15/00; for rope, cable, or chain winding mechanisms B 66 D 1/54)

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Devices for indicating or limiting lifting movement

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Snubbers or dash-pots for preventing backwards-swinging of jibs, e.g. in the event of cable or tackle breakage

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for limiting slewing movements