| 摘要 |
<p>FP-3698-HO This invention relates to a crusher comprising a series of cutter units mounted on a pair of shafts arranged parallel to each other so as to rotate in the opposite directions to each other, wherein each of said cutter units comprises a holder member consisting of a flange portion and a boss portion, and a discshaped cutter blade secured detachably to said holder member and divided circumferentially into several segments, said cutter units on the respective shafts are so arranged that the discshaped cutter blades of every paired cutter units contact each other partly at their sides and that the disc-shaped cutter blade and flange portion of a cutter unit on one shaft are opposed to the boss portion of the mating cutter unit on the other shaft such that a space is formed between the peripheries of said both cutter units, and each said flange portion is provided with pawls along its outer periphery while each said boss portion has provided along its periphery the alternate ridges and recesses so designed as to maintain a substantially constant spacing between the outer periphery of said boss portion and the opposing periphery of the flange portion of the mating cutter unit during rotation of said cutter units.</p> |
