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Working machine for material webs, particularly paper format cross-cutter

  • US 5,662,018 A
  • Filed: 05/17/1995
  • Issued: 09/02/1997
  • Est. Priority Date: 05/19/1994
  • Status: Expired due to Fees
First Claim
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1. A working machine for material webs, comprising:

  • two machine parts rotatable in opposition to one another;

    at least one pair of toothed gear wheels synchronizing said two rotatable machine parts with one another each gear wheel connected to a respective one of said machine parts, each of said gear wheels having at least one gear body and a toothed gear rim integral with said at least one gear body; and

    ,at least one of said gear wheels having means for deforming its gear rim radially outwardly to minimize backlash between the teeth of said gear wheels, said deforming means including a separate slot-shaped pressure medium pocket at each of a plurality of circumferential positions, each of said pockets locally deforming said gear rim in a radial direction when separately pressurized by a liquid pressure medium.

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