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| SECTION B– PERFORMING OPERATIONS; TRANSPORTING |
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| B 66 | HOISTING; LIFTING; HAULING |
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| B 66 D | CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS (winding or unwinding ropes or cables for feeding or storage purposes B 65 H; rope or cable-winding or unwinding mechanisms for lifts B 66 B) |
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| Note |
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| This subclass covers: |
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| – | rope, cable, or chain winding or unwinding mechanisms for moving all loads except lift cages, e.g. winches for dredges; |
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| – | braking or detent devices characterised by their application for retarding, or preventing, rotary movement of a winding drum or barrel. |
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1/ | 00 | Rope, cable, or chain winding mechanisms; Capstans (portable or mobile lifting or hauling appliances B 66 D 3/00) |
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1/ | 02 | . | Driving gear |
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1/ | 04 | . | . | manually operated |
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1/ | 06 | . | . | . | Safety cranks for preventing unwanted crank rotation and subsequent lowering of the loads |
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1/ | 08 | . | . | incorporating fluid motors |
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1/ | 10 | . | . | . | Steam driving gear |
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1/ | 12 | . | . | incorporating electric motors |
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1/ | 14 | . | . | Power transmissions between power sources and drums or barrels |
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1/ | 16 | . | . | . | the drums or barrels being freely rotatable (B 66 D 1/24 takes precedence) |
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1/ | 18 | . | . | . | . | and the power being transmitted from a continuously-operating and irreversible prime mover |
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1/ | 20 | . | . | . | Chain, belt, or friction drives, e.g. incorporating sheaves |
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1/ | 22 | . | . | . | Planetary or differential gearings (for actuating grab buckets B 66 D 1/70) |
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1/ | 24 | . | . | . | for varying speed, or reversing direction of rotation, of drums or barrels |
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1/ | 26 | . | having several drums or barrels |
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1/ | 28 | . | Other constructional details |
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1/ | 30 | . | . | Rope, cable, or chain drums or barrels |
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1/ | 34 | . | . | . | Attachment of ropes or cables to drums or barrels |
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1/ | 36 | . | . | Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains |
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1/ | 38 | . | . | . | by means of guides movable relative to drum or barrel (B 66 D 1/395 takes precedence) [3] |
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1/ | 39 | . | . | . | by means of axially-movable drums or barrels (B 66 D 1/395 takes precedence) [3] |
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1/ | 395 | . | . | . | by means effecting both guiding and tensioning of ropes, cables or chains [3] |
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1/ | 40 | . | . | Control devices |
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1/ | 42 | . | . | . | non-automatic |
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1/ | 44 | . | . | . | . | pneumatic or hydraulic |
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1/ | 46 | . | . | . | . | electric |
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1/ | 48 | . | . | . | automatic |
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1/ | 50 | . | . | . | . | for maintaining predetermined rope, cable, or chain tension, e.g. in ropes or cables for towing craft, in chains for anchors; Warping or mooring winch-cable tension control |
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1/ | 52 | . | . | . | . | for varying rope or cable tension, e.g. when recovering craft from water |
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1/ | 54 | . | Safety gear |
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1/ | 56 | . | . | Adaptations of limit switches |
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1/ | 58 | . | . | responsive to excess of load |
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1/ | 60 | . | adapted for special purposes |
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1/ | 62 | . | . | for actuating grab buckets (electrical control in cranes B 66 C 13/32) |
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1/ | 64 | . | . | . | by means of a single rope or chain |
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1/ | 66 | . | . | . | driven by a single motor |
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1/ | 68 | . | . | . | driven by two motors |
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1/ | 70 | . | . | . | driven through planetary or differential gearings |
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1/ | 72 | . | . | Anchor-chain sprockets; Anchor capstans |
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1/ | 74 | . | . | Capstans |
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1/ | 76 | . | . | . | having auxiliary drums or barrels for storing the ropes or cables |
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1/ | 78 | . | . | . | for shunting, e.g. in marshalling yards |
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1/ | 80 | . | . | for scrapers |
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1/ | 82 | . | . | for slewing and hoisting by means of derricks |
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3/ | 00 | Portable or mobile lifting or hauling appliances |
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3/ | 02 | . | Manually-operated, e.g. lever-actuated, devices operating on ropes, cables, or chains for hauling in a mainly horizontal direction (B 66 D 3/04, B 66 D 3/12 take precedence) |
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3/ | 04 | . | Pulley blocks or like devices in which force is applied to a rope, cable or chain, which passes over one or more pulleys, e.g. to obtain mechanical advantage (sheaves, chain wheels, pulleys F 16 H 55/00) [4] |
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3/ | 06 | . | . | with more than one pulley |
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3/ | 08 | . | . | . | Arrangements of sheaves |
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3/ | 10 | . | . | . | Applications of braking or detent devices |
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3/ | 12 | . | Chain or like hand-operated tackles with or without power-transmission gearing between operating member and lifting rope, chain, or cable |
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3/ | 14 | . | . | lever-operated |
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3/ | 16 | . | . | operated by an endless chain passing over a pulley or a sprocket |
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3/ | 18 | . | Power-operated hoists |
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3/ | 20 | . | . | with driving motor, e.g. electric motor, and drum or barrel contained in a common housing |
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3/ | 22 | . | . | . | with variable-speed gearing between driving motor and drum or barrel |
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3/ | 24 | . | . | Applications of limit switches |
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3/ | 26 | . | . | Other details, e.g. housings |
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5/ | 00 | Braking or detent devices characterised by their application to lifting or hoisting gear, e.g. for controlling the lowering of loads (for pulley blocks B 66 D 3/10) |
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5/ | 02 | . | Crane, lift, hoist, or winch brakes operating on drums, barrels, or ropes |
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5/ | 04 | . | . | actuated by centrifugal force |
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5/ | 06 | . | . | with radial effect (B 66 D 5/20 takes precedence) |
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5/ | 08 | . | . | . | embodying blocks or shoes |
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5/ | 10 | . | . | . | embodying bands |
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5/ | 12 | . | . | with axial effect (B 66 D 5/22 takes precedence) |
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5/ | 14 | . | . | . | embodying discs |
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5/ | 16 | . | . | for action on ropes or cables |
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5/ | 18 | . | . | for generating braking forces which are proportional to the loads suspended; Load-actuated brakes |
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5/ | 20 | . | . | . | with radial effect |
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5/ | 22 | . | . | . | with axial effect |
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5/ | 24 | . | . | Operating devices |
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5/ | 26 | . | . | . | pneumatic or hydraulic |
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5/ | 28 | . | . | . | . | specially adapted for winding gear, e.g. in mining hoists |
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5/ | 30 | . | . | . | electrical |
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5/ | 32 | . | Detent devices |
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5/ | 34 | . | . | having latches |
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