Tensioning apparatus for a web threading endless rope

  • US 5,379,932 A
  • Filed: 11/22/1993
  • Issued: 01/10/1995
  • Est. Priority Date: 10/28/1991
  • Status: Expired due to Term
First Claim
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1. Apparatus for tensioning an endless rope used for threading a web in a papermaking machine and for taking up stretch which develops in the rope over a period of use, comprising a frame including an elongated beam having longitudinally extending and outwardly projecting opposite flange portions, said beam also including means projecting laterally from said flange portions for reinforcing said flange portions and to provide said flange portions with substantial rigidity, at least one carriage including a base member disposed adjacent and substantially parallel to said flange portions, a set of guide members mounted on said base member and engaging said opposite flange portions with said flange portions extending between said guide members to support said carriage for longitudinal movement along said beam, power operated means extending longitudinally of said beam and connected to said carriage for moving said carriage along said flange portions, and a guide sheave supported by said base member for free rotation and positioned to engage the rope.

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