Patents by Inventor Jan Kauhanen

Jan Kauhanen 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).

  • Arrangement in a forestry machine and a forestry machine equipped with a corresponding arrangement
    Patent number: 9643670
    Abstract: The invention relates to an arrangement in a forestry machine (100), in which arrangement there is —a chassis (12), —a single-axle set of wheels (13) pivoted to the chassis (12), and —at least one auxiliary wheel (18) fitted the outside the set of wheels (13), in order to increase the load-bearing capacity of the rear part (19) of the chassis (12). —The arrangement further includes —at least one support arm (20) arranged to carry the said auxiliary wheel (18) at its first end (22) and pivoted at its second end (24) to the said chassis (12) with the aid of a transverse shaft (23), —a support surface (36) attached to the chassis (12) and a counter surface (38) attached to the said support arm (20), for limiting the transverse movement of the support arm (20). —The invention also relates to a corresponding forestry machine.
    Type: Grant
    Filed: May 29, 2013
    Date of Patent: May 9, 2017
    Assignee: Ponsse Oyj
    Inventors: Ossi Pohjoisaho, Jan Kauhanen, Risto Vidgren, Jukka Karppinen, Pentti Hukkanen
  • Arrangement in a Forestry Machine and a Forestry Machine Equipped with a Corresponding Arrangement
    Publication number: 20150083504
    Abstract: The invention relates to an arrangement in a forestry machine (100), in which arrangement there is—a chassis (12), —a single-axle set of wheels (13) pivoted to the chassis (12), and —at least one auxiliary wheel (18) fitted the outside the set of wheels (13), in order to increase the load-bearing capacity of the rear part (19) of the chassis (12). —The arrangement further includes —at least one support arm (20) arranged to carry the said auxiliary wheel (18) at its first end (22) and pivoted at its second end (24) to the said chassis (12) with the aid of a transverse shaft (23), —a support surface (36) attached to the chassis (12) and a counter surface (38) attached to the said support arm (20), for limiting the transverse movement of the support arm (20). —The invention also relates to a corresponding forestry machine.
    Type: Application
    Filed: May 29, 2013
    Publication date: March 26, 2015
    Applicant: Ponsse Oyj
    Inventors: Ossi Pohjoisaho, Jan Kauhanen, Risto Vidgren, Jukka Karppinen, Pentti Hukkanen