Mechanism Connecting Rolling Car Coupler Small 320×205 Medium 640×410 Large 1024×655 Download Tiff Original 2400×1536 | (965.1 KB) Description This coupling mechanism is used for connecting rolling stocks in a train. The design of the coupler is standard, it is more convenient to have all rolling stocks coupled together. Keywords Janney coupler, railway coupling, rolling stock connecter, transportation coupler, Type E coupler Galleries Rail Transportation Source: Government Printing Office The Official Gazette of the United States Patent Office (Washington, DC: Government Printing Office, 1895)