| 摘要 |
PROBLEM TO BE SOLVED: To provide a twin header which carries out efficient work by reducing an uncuttable part or an unstirrable part of the twin header, at the same time, realizes various shaped excavated surfaces, and additionally easily copes with various states by one set. SOLUTION: A neck casing 2b is extended to the front end side of a mounting flange 2a put on a bracket provided to an arm section of a working vehicle, a pair of rotary drum supporting sections 2c and 2c projecting axial bars 8 to both right and left parts of the front end section of the neck casing 2b are movably put on each other at a predetermined angle, and a pair of rotary drums 4A and 4A having cutting picks 13 on the outside are respectively put on the axial bars 8 and 8 of the rotary drum supporting sections 2c and 2c to enable rotary axes of a pair of rotary drums 4A and 4A to make opening and closing operations by a predetermined mechanism. COPYRIGHT: (C)2004,JPO&NCIPI
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