B60DVEHICLE CONNECTIONS components of brake systems B60T17/04Attention is drawn to the note following the class B60In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. B60D1/00 B60D1/00Traction couplingsHitchesDraw-gearTowing devices devices specially adapted for connection between tractors and agricultural machines or implements A01B59/00; fifth-wheel couplings B62D B60D2001/001specially adapted for use on vehicles other than cars B60D2001/003for bicycles or motorbikes B60D2001/005for carts, scooters, or the like B60D2001/006comprising a handle B60D2001/008specially adapted for implements, e.g. towed tools B60D1/01Traction couplings or hitches characterised by their type B60D1/015Fifth wheel couplings B60D1/02Bolt or shackle-type couplings B60D1/025comprising release or locking lever pins B60D1/04Hook or hook-and-hasp couplings B60D1/06Ball-and-socket hitches , e.g. constructional details, auxiliary devices, their arrangement on the vehicle B60D1/065characterised by the hitch mechanism B60D1/07Multi-hitch devices, i.e. comprising several hitches of the same or of a different typeHitch-adaptors, i.e. for converting hitches from one type to another B60D1/075Hitch-adaptors B60D1/14Draw-gear or towing devices characterised by their type B60D1/141Arrangements or frames adapted to allow the connection of trailers to tractor three point hitches coupling of multipurpose tractors with equipment B62D49/065 B60D1/143characterised by the mounting of the draw-gear on the towed vehicle B60D1/187 takes precedence B60D1/145consisting of an elongated single bar or tube B60D1/155comprising telescopic or foldable parts B60D1/167consisting of articulated or rigidly assembled bars or tubes forming a V-, Y-, or U-shaped draw gear B60D1/173 takes precedence B60D1/1675comprising extendable, retractable or foldable members B60D1/173consisting of at least two bars which are not connected or articulated to each other B60D1/18Tow ropes, chains or the like B60D1/182comprising resilient members B60D1/185comprising a cable or chain winding device B60D1/38 takes precedence B60D1/187characterised by the connection to the towing vehicle or to the trailer B60D1/24characterised by arrangements for particular functions B60D1/241for suppressing noise generation B60D1/242for supporting braking actions, e.g. braking means integrated with hitches; Braking sensors B60D1/243for protection in case of crash, collision, impact, or the like B60D1/244involving weakened zones in the hitches B60D1/245for facilitating push back or parking of trailers B60D1/246for actuating the hitch by powered means B60D1/247for improving weight distribution B60D1/248for measuring, indicating or displaying the weight B60D1/249for damping in the pulling direction and being integrated with the hitch, e.g. resilient dampers integrated with the hitch B60D1/26for remote control, e.g. for releasing B60D1/28for preventing unwanted disengagement, e.g. safety appliances B60D1/30for sway control , e.g. stabilising or anti-fishtail devices; Sway alarm means B60D1/305Sway alarm means B60D1/32involving damping devices B60D1/322using fluid dampers fluid dampers per se F16F9/00 B60D1/325using friction dampers friction dampers per se F16F7/02 - F16F7/08 B60D1/327using cables B60D1/34involving springs B60D1/345the springs being of the bar or leaf type torsion bars per se F16F1/14, leaf springs per se F16F1/18 B60D1/36for facilitating connection, e.g. hitch catchers , visual guide means, signalling aids B60D1/465 takes precedence; vehicle signalling in general B60Q; optical arrangements specially adapted for viewing trailer-hitches B60R1/003 B60D1/363Hitch guiding or catching elements, e.g. V-shaped plates partially surrounding a coupling member for guiding the other coupling member B60D1/366comprising braking means B60D1/38involving auxiliary cables for drawing the trailer to the tractor before coupling B60D1/40involving a temporarily extensible or alignable member B60D1/38 takes precedence B60D1/42for being adjustable B60D1/44horizontally B60D1/46vertically B60D1/465comprising a lifting mechanism, e.g. for coupling while lifting B60D1/48characterised by the mounting B60D1/481adapted for being mounted to the front and back of trailers, carts, trolleys, or the like to form a train B60D1/483adapted for being mounted to the side of a vehicle B60D1/485mounted by means of transversal members attached to the frame of a vehicle B60D1/486adapted for being mounted to the wheel axle of the vehicle B60D1/488mounted directly to the chassis of the towing vehicle B60D1/50resiliently mounted B60D1/30 takes precedence ;B60D1/182 takes precedence; springs or dampers per se F16F B60D1/52removably mounted B60D1/56 takes precedence B60D1/54collapsible or retractable when not in use, e.g. hide-away hitches B60D1/52 takes precedence B60D2001/542characterised by the number of pivot axis B60D2001/544one pivot axis B60D2001/546two pivot axes B60D2001/548three pivot axes B60D1/56securing to the vehicle bumper B60D1/565having an eyelet B60D1/58Auxiliary devices B60D1/583Holding down means, e.g. holding down retainers B60D1/586Lubrication means B60D1/60Covers, caps or guards , e.g. comprising anti-theft devices B60D1/605Protection caps B60D1/62involving supply lines, electric circuits, or the like B60D1/64Couplings or joints therefor B60D1/66Props B60D1/665comprising supporting wheels, e.g. dollies B60D3/00Fittings to facilitate pushing B60D1/00 takes precedence; vehicle bumpers B60R19/02; steering arrangements for backing a normally-drawn trailer B62D13/06 B60D5/00Gangways for coupled vehicles, e.g. of concertina type B60D5/003Bellows for interconnecting vehicle parts B60D5/006Passages between articulated vehicles, e.g. bridges or rotating plates B60D99/00Subject matter not provided for in other groups of this subclass