Description
Class B61J : SHIFTING OR SHUNTING OF RAIL VEHICLES
Subclass 3/10: Shunting or short-distance haulage devices; Similar devices for hauling trains on steep gradients or as starting aids; Car-propelling devices therefor (overhead travelling cranes combined with auxiliary means for shunting railway vehicles B66C 17/26; capstans B66D) Car-shunting or positioning devices with pinchbar action (pinchbars, crowbars in general B66F 15/00)