Patents Assigned to NHK Spring Company Limited
  • Unit tensioner
    Patent number: 5246404
    Abstract: A unit tensioner for a chain or belt comprising a tensioning unit mounted on a base plate and an arched, sliding shoe pivotally mounted on a pin fixed to the base plate so that a cap portion of a tension rod, extending from the tensioning unit, abuts the inner arch surface of the shoe to pivot the shoe so that the chain or belt slides against the outer arched surface of the shoe to tighten the chain or belt and to prevent wear of the cap portion or wear of the mating chain or belt.
    Type: Grant
    Filed: June 25, 1991
    Date of Patent: September 21, 1993
    Assignee: NHK Spring Company Limited
    Inventor: Juji Ojima