Description
Class B61G : COUPLINGS SPECIALLY ADAPTED FOR RAILWAY VEHICLES; DRAUGHT OR BUFFING APPLIANCES SPECIALLY ADAPTED FOR RAILWAY VEHICLES
Subclass 1/12: Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means having links or bars coupling or uncoupling by rotating around a vertical axis Operating devices therefor (B61G 1/16 takes precedence)