Patents by Inventor Andrezj Dec

Andrezj Dec has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Eccentric type belt tensioner with cam operated damping means
    Patent number: 5370585
    Abstract: A spring bias tensioner of the eccentric type with a fixed cam ring and rotatable cam ring activated by a torsion spring wherein the cam rings generate an axially force to engage radial friction sliding surfaces to affect damping as a pivot arm of the tensioner is moved.
    Type: Grant
    Filed: January 27, 1993
    Date of Patent: December 6, 1994
    Assignee: The Gates Rubber Company
    Inventors: Henry W. Thomey, Andrezj Dec
  • Eccentric type belt tensioner
    Patent number: 5256112
    Abstract: A tensioner of the eccentric type with a pivot-pin and pivot bushing disposed within the confines of an inside diameter of a bearing member attached to a stub shaft, the shaft having an axially oriented groove that receives the pivot bushing. A tensioner where the pivot bushing has a wall thickness sized to receive a load from the pivot-pin and where such thickness is greater than a radial dimension between the pivot-pin and a circumference for the stub shaft.
    Type: Grant
    Filed: August 7, 1992
    Date of Patent: October 26, 1993
    Assignee: Gates Power Drive Products, Inc.
    Inventors: Henry W. Thomey, Andrezj Dec