Description
Class B61H : BRAKES OR OTHER RETARDING APPARATUS PECULIAR TO RAIL VEHICLES; ARRANGEMENTS OR DIS-POSITIONS OF BRAKES OR OTHER RETARDING APPARATUS IN RAIL VEHICLES
Subclass 7/02: Brakes with braking members co-operating with the track (positive railway stops or track brakes secured to permanent way B61K 7/00) Scotch-blocks, skids, or like track-engaging shoes