c-TRAiN Converter Dolly – Invented here!
c-TRAiN – Fixed or Steerable Axles
Universal Hitch designed by founder: N. R. Curry Tested and Approved by: NRC, MOT, DOT
c-TRAiN Hitch Double or Triple Trailers (The Original “B-TRAiN”)
- Means a trailer converter dolly, with a rigid frame in the
horizontal plane that is towed from two hitches located in a
horizontal transverse line on the towing unit, that precludes
any rotation in the horizontal plane about the hitch points,
and which satisfies all requirements of the Canadian Motor
Vehicle Safety Standards applicable to such devices (34)
A trailer converter dolly, with a rigid frame in the
horizontal plane that is towed from two hitches located in a
horizontal transverse line on the towing unit, that precludes
any rotation in the horizontal plane about the hitch points,
and which satisfies all requirements of the Canadian Motor
Vehicle Safety Standards applicable to such devices (34)
National Zephyr Research 
