Rope, cable, or chain winding mechanisms Capstans

BPERFORMING OPERATIONS TRANSPORTING B66Lifting technology B66DCAPSTANS WINCHES TACKLES

B66D1/00Rope, cable, or chain winding mechanisms Capstans

B66D1/005Attaching winches to vehicle wheels B66D1/02Driving gear B66D1/04manually operated B66D1/06Safety cranks for preventing unwanted crank rotation and subsequent lowering of the loads B66D1/08incorporating fluid motors B66D1/10Steam driving gear B66D1/12incorporating electric motors B66D1/14Power transmissions between power sources and drums or barrels B66D1/16the drums or barrels being freely rotatable B66D1/18and the power being transmitted from a continuously operating and irreversible prime mover i.e. an internal combustion engine B66D1/20Chain, belt, or friction drives B66D1/22Planetary or differential gearings B66D1/225variable ratio or reversing gearing B66D1/24for varying speed or reversing direction of rotation of drums or barrels B66D1/26having several drums or barrels B66D1/28Other constructional details B66D1/30Rope, cable, or chain drums or barrels B66D1/34Attachment of ropes or cables to drums or barrels B66D1/36Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains B66D1/365by means of pivotably mounted drums or barrels B66D1/38by means of guides movable relative to drum or barrel B66D1/39by means of axially-movable drums or barrels B66D1/40Control devices B66D1/42non-automatic B66D1/44pneumatic of hydraulic B66D1/46electric B66D1/48automatic B66D1/485electrical B66D1/50for maintaining predetermined rope, cable, or chain tension B66D1/505electrical B66D1/52for varying rope or cable tension B66D1/525electrical B66D1/54Safety gear B66D1/56Adaptations of limit switches B66D1/58responsive to excess of load B66D1/60adapted for special purposes B66D1/605scaffolding winshes B66D1/62for actuating grab buckets B66D1/64by means of a single rope or chain B66D1/66driven by a single motor B66D1/68driven by two motors B66D1/70driven through planetary or differential gearings B66D1/72Anchor-chain sprockets Anchor capstans B66D1/74Capstans B66D1/7405having two or more drums providing tractive force B66D1/741and having rope storing means B66D1/7415Friction drives B66D1/7421having a vertical rotation axis B66D1/7426driven by motor only B66D1/7431driven manually only B66D1/7436drivable by both motor and manually B66D1/7442having a horizontal rotation axis B66D1/7447driven by motor only B66D1/7452driven manually only B66D1/7457drivable by both motor and manually B66D1/7463Accessories B66D1/7468Handles B66D1/7473with locking means B66D1/7478Powered handles B66D1/7484Details concerning gearing arrangements B66D1/7489having a particular use B66D1/7494Self-tailing capstans B66D1/76having auxiliary drums or barrels for storing the ropes or cables B66D1/78for shunting B66D1/80for scrapers B66D1/82for slewing and hoisting by means of derricks