| 1/00 | Traction couplings; Hitches; Draw-gear; Towing devices (devices specially adapted for connection between tractors and agricultural machines or implements A01B 59/00; fifth-wheel couplings B62D) |
| 1/01 | Traction couplings; Hitches; Draw-gear; Towing devices (devices specially adapted for connection between tractors and agricultural machines or implements A01B 59/00; fifth-wheel couplings B62D) Traction couplings or hitches characterised by their type |
| 1/02 | Traction couplings; Hitches; Draw-gear; Towing devices (devices specially adapted for connection between tractors and agricultural machines or implements A01B 59/00; fifth-wheel couplings B62D) Traction couplings or hitches characterised by their type Bolt or shackle-type couplings |
| 1/04 | Traction couplings; Hitches; Draw-gear; Towing devices (devices specially adapted for connection between tractors and agricultural machines or implements A01B 59/00; fifth-wheel couplings B62D) Traction couplings or hitches characterised by their type Hook or hook-and-hasp couplings |
| 1/06 | Traction couplings; Hitches; Draw-gear; Towing devices (devices specially adapted for connection between tractors and agricultural machines or implements A01B 59/00; fifth-wheel couplings B62D) Traction couplings or hitches characterised by their type Ball-and-socket hitches |
| 1/07 | Traction couplings; Hitches; Draw-gear; Towing devices (devices specially adapted for connection between tractors and agricultural machines or implements A01B 59/00; fifth-wheel couplings B62D) Traction couplings or hitches characterised by their type Multi-hitch devices, i.e. comprising several hitches of the same or of a different type; Hitch-adaptors, i.e. for converting hitches from one type to another |
| 1/14 | Traction couplings; Hitches; Draw-gear; Towing devices (devices specially adapted for connection between tractors and agricultural machines or implements A01B 59/00; fifth-wheel couplings B62D) Draw-gear or towing devices characterised by their type |
| 1/145 | Traction couplings; Hitches; Draw-gear; Towing devices (devices specially adapted for connection between tractors and agricultural machines or implements A01B 59/00; fifth-wheel couplings B62D) Draw-gear or towing devices characterised by their type consisting of an elongated single bar or tube |
| 1/155 | Traction couplings; Hitches; Draw-gear; Towing devices (devices specially adapted for connection between tractors and agricultural machines or implements A01B 59/00; fifth-wheel couplings B62D) Draw-gear or towing devices characterised by their type consisting of an elongated single bar or tube comprising telescopic or foldable parts |
| 1/167 | Traction couplings; Hitches; Draw-gear; Towing devices (devices specially adapted for connection between tractors and agricultural machines or implements A01B 59/00; fifth-wheel couplings B62D) Draw-gear or towing devices characterised by their type consisting of articulated or rigidly assembled bars or tubes forming a V-, Y- or U-shaped draw gear (B60D 1/173 takes precedence) |
| 1/173 | Traction couplings; Hitches; Draw-gear; Towing devices (devices specially adapted for connection between tractors and agricultural machines or implements A01B 59/00; fifth-wheel couplings B62D) Draw-gear or towing devices characterised by their type consisting of at least two bars which are not connected or articulated to each other |
| 1/18 | Traction couplings; Hitches; Draw-gear; Towing devices (devices specially adapted for connection between tractors and agricultural machines or implements A01B 59/00; fifth-wheel couplings B62D) Draw-gear or towing devices characterised by their type Tow ropes, chains, or the like |
| 1/24 | Traction couplings; Hitches; Draw-gear; Towing devices (devices specially adapted for connection between tractors and agricultural machines or implements A01B 59/00; fifth-wheel couplings B62D) characterised by arrangements for particular functions |
| 1/26 | Traction couplings; Hitches; Draw-gear; Towing devices (devices specially adapted for connection between tractors and agricultural machines or implements A01B 59/00; fifth-wheel couplings B62D) characterised by arrangements for particular functions for remote control, e.g. for releasing |
| 1/28 | Traction couplings; Hitches; Draw-gear; Towing devices (devices specially adapted for connection between tractors and agricultural machines or implements A01B 59/00; fifth-wheel couplings B62D) characterised by arrangements for particular functions for preventing unwanted disengagement, e.g. safety appliances |
| 1/30 | Traction couplings; Hitches; Draw-gear; Towing devices (devices specially adapted for connection between tractors and agricultural machines or implements A01B 59/00; fifth-wheel couplings B62D) characterised by arrangements for particular functions for sway control |
| 1/32 | Traction couplings; Hitches; Draw-gear; Towing devices (devices specially adapted for connection between tractors and agricultural machines or implements A01B 59/00; fifth-wheel couplings B62D) characterised by arrangements for particular functions for sway control involving damping devices |
| 1/34 | Traction couplings; Hitches; Draw-gear; Towing devices (devices specially adapted for connection between tractors and agricultural machines or implements A01B 59/00; fifth-wheel couplings B62D) characterised by arrangements for particular functions for sway control involving springs |
| 1/36 | Traction couplings; Hitches; Draw-gear; Towing devices (devices specially adapted for connection between tractors and agricultural machines or implements A01B 59/00; fifth-wheel couplings B62D) characterised by arrangements for particular functions for facilitating connection, e.g. hitch catchers |
| 1/38 | Traction couplings; Hitches; Draw-gear; Towing devices (devices specially adapted for connection between tractors and agricultural machines or implements A01B 59/00; fifth-wheel couplings B62D) characterised by arrangements for particular functions for facilitating connection, e.g. hitch catchers involving auxiliary cables for drawing the trailer to the tractor before coupling |