| 摘要 |
954,472. Mineral-mining machines. GEBR. EICKHOFF MASCHINENFABRIK UND EISENGINESSEREI. March 20, 1963 [March 22, 1962], No. 11011/63. Heading E1F. In a mineral-mining machine of the type in which at least one cutter assembly comprises a cutter drum or roller 8 carried by a vertically swingable arm 7 disposed at one side of the machine, the arm is carried by a hollow arbor 24 supported in spaced bearings within to extend across the gear head 6 of the machine. The arbor is such that a drive 20 may extend into the arbor at right angles to the axis thereof to a drive mechanism 26, 28 extending through the arbor to the cutter drum drive mechanism 29-32 supported by the arm. In the gear head of one embodiment of the machine a clutch, shaft and gearing arrangement permits of supply of power from one or more drive motors 12 simultaneously or selectively to the two vertically swingable cutter drum assemblies 8 8<SP>1</SP> and a cutter drum 11 positioned above the gear head, the haulage winch and the hydraulic power circuit of the machine. |
