B66D

CAPSTANS

WINCHES

TACKLES, e.g. PULLEY BLOCKS

HOISTS winding or unwinding ropes or cables for feeding or storage purposes B65H; rope or cable winding or unwinding mechanisms for lifts B66B

This subclass covers:

rope, cable or chain winding or unwinding mechanisms for moving all loads except lift cages, e.g. winches for dredges;

braking or detent devices characterised by their application for retarding or preventing rotary movement of a winding drum or barrel

The following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups:

B66D1/395

covered by B66D1/36, B66D1/50

In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.

B66D1/00

Rope, cable, or chain winding mechanisms

Capstans portable or mobile lifting or hauling appliances B66D3/00

B66D1/005

Attaching winches to vehicle wheels

B66D1/02

Driving gear

B66D1/04

manually operated

B66D1/06

Safety cranks for preventing unwanted crank rotation and subsequent lowering of the loads

B66D1/08

incorporating fluid motors

B66D1/10

Steam driving gear

B66D1/12

incorporating electric motors

B66D1/14

Power transmissions between power sources and drums or barrels

including brakes, one-way brakes, one-way clutches, clutches activated alternately with brakes, fixed ratio gearing unless otherwise provided for in B66D1/16 - B66D1/24

B66D1/16

the drums or barrels being freely rotatable

, e.g. having a clutch activated independently of a brake B66D1/20, B66D1/22, B66D1/24 take precedence; clutches activated alternately with brakes B66D1/14, slip couplings B66D1/14

B66D1/18

and the power being transmitted from a continuously operating and irreversible prime mover

, i.e. an internal combustion engine, e.g. on a motor vehicle or a portable winch

B66D1/20

Chain, belt, or friction drives, e.g. incorporating sheaves

of fixed or variable ratio

B66D1/22

Planetary or differential gearings for actuating grab buckets B66D1/70

, i.e. with planet gears having movable axes of rotation

B66D1/225

variable ratio or reversing gearing fixed ratio gearing B66D1/22

B66D1/24

for varying speed or reversing direction of rotation of drums or barrels

, i.e. variable ratio or reversing gearing B66D1/225 takes precedence

B66D1/26

having several drums or barrels

B66D1/28

Other constructional details

B66D1/30

Rope, cable, or chain drums or barrels

B66D1/34

Attachment of ropes or cables to drums or barrels

B66D1/36

Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains

B66D1/365

by means of pivotably mounted drums or barrels

B66D1/38

by means of guides movable relative to drum or barrel

B66D1/39

by means of axially-movable drums or barrels

pivotably mounted drums or barrel B66D1/365

B66D1/40

Control devices

B66D1/42

non-automatic

B66D1/44

pneumatic of hydraulic

B66D1/46

electric

B66D1/48

automatic

B66D1/485

electrical

B66D1/50

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

B66D1/505

electrical

B66D1/52

for varying rope or cable tension, e.g. when recovering craft from water

B66D1/525

electrical

B66D1/54

Safety gear

B66D1/56

Adaptations of limit switches

B66D1/58

responsive to excess of load

B66D1/60

adapted for special purposes

B66D1/605

scaffolding winshes B66D1/74 takes precedence

B66D1/62

for actuating grab buckets electrical control in cranes B66C13/32

B66D1/64

by means of a single rope or chain

B66D1/66

driven by a single motor

B66D1/68

driven by two motors

B66D1/70

driven through planetary or differential gearings

B66D1/72

Anchor-chain sprockets

Anchor capstans

B66D1/74

Capstans

B66D1/7405

having two or more drums providing tractive force

B66D1/741

and having rope storing means

B66D1/7415

Friction drives, e.g. pulleys, having a cable winding angle of less than 360 degrees

B66D1/7421

having a vertical rotation axis

B66D1/7426

driven by motor only

B66D1/7431

driven manually only

B66D1/7436

drivable by both motor and manually

B66D1/7442

having a horizontal rotation axis

B66D1/7447

driven by motor only

B66D1/7452

driven manually only

B66D1/7457

drivable by both motor and manually

B66D1/7463

Accessories

B66D1/7468

Handles

B66D1/7473

with locking means

B66D1/7478

Powered handles

B66D1/7484

Details concerning gearing arrangements, e.g. multi-speed

B66D1/7489

having a particular use, e.g. rope ascenders

B66D1/7494

Self-tailing capstans

B66D1/76

having auxiliary drums or barrels for storing the ropes or cables

B66D1/78

for shunting, e.g. in marshalling yards

B66D1/80

for scrapers

B66D1/82

for slewing and hoisting by means of derricks

B66D3/00

Portable or mobile lifting or hauling appliances

B66D3/003

using two or more cooperating endless chains

B66D3/006

Power actuated devices operating on ropes, cables, or chains for hauling in a mainly horizontal direction B66D3/003 takes precedence

B66D3/02

Manually-operated, e.g. lever-actuated, devices operating on ropes, cables, or chains for hauling in a mainly horizontal direction B66D3/04, B66D3/12 take precedence

B66D3/04

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 F16H55/00

B66D3/043

Block and tackle system with variable number of cable parts

B66D3/046

Openable pulley blocks

B66D3/06

with more than one pulley

B66D3/08

Arrangements of sheaves

B66D3/10

Applications of braking or detent devices

B66D3/12

Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable

B66D3/14

lever operated

B66D3/16

operated by an endless chain passing over a pulley or a sprocket

B66D3/18

Power-operated hoists

B66D3/20

with driving motor, e.g. electric motor, and drum or barrel contained in a common housing

B66D3/22

with variable-speed gearings between driving motor and drum or barrel

B66D3/24

Applications of limit switches

B66D3/26

Other details, e.g. housings

B66D5/00

Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads for pulley blocks B66D3/10

B66D5/02

Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes

B66D5/023

Cooling of brakes in general F16D

B66D5/026

Fluid-resistance brakes

B66D5/04

actuated by centrifugal force

B66D5/06

with radial effect B66D5/20 takes precedence

B66D5/08

embodying blocks or shoes

B66D5/10

embodying bands

B66D5/12

with axial effect B66D5/22 takes precedence

B66D5/14

embodying discs

B66D5/16

for action on ropes or cables

B66D5/18

for generating braking forces which are proportional to the loads suspended

Load-actuated brakes

B66D5/20

with radial effect

B66D5/22

with axial effect

B66D5/24

Operating devices

B66D5/26

pneumatic or hydraulic

B66D5/28

specially adapted for winding gear, e.g. in mining hoists

B66D5/30

electrical

B66D5/32

Detent devices

B66D5/34

having latches

B66D2700/00

Capstans, winches or hoists

B66D2700/01

Winches, capstans or pivots

B66D2700/0108

with devices for paying out or automatically tightening the cable

B66D2700/0116

Manually or spring operated winches

B66D2700/0125

Motor operated winches

B66D2700/0133

Fluid actuated

B66D2700/0141

Electrically actuated

B66D2700/015

Actuated by chain, belt or by friction

B66D2700/0158

Hydraulically controlled couplings or gearings

B66D2700/0166

Winches with multiple drums or with drums with multiple parts of different diameter

B66D2700/0175

with adjacent drums mounted on a single shaft with a common coupling member

B66D2700/0183

Details, e.g. winch drums, cooling, bearings, mounting, base structures, cable guiding or attachment of the cable to the drum

B66D2700/0191

Cable guiding during winding or paying out

B66D2700/02

Hoists or accessories for hoists

B66D2700/021

Hauling devices

B66D2700/023

Hoists

B66D2700/025

motor operated

B66D2700/026

Pulleys, sheaves, pulley blocks or their mounting

B66D2700/028

Pulley blocks with multiple sheaves

B66D2700/03

Mechanisms with latches or braking devices in general for capstans, hoists or similar devices as well as braking devices actuated electrically or by fluid under pressure

B66D2700/035

Fluid operated braking devices

B66D2700/05

Brakes with mechanisms with latches for hoists or similar devices

B66D2700/07

Brakes with axial thrust for winches, hoists or similar devices