Patents by Inventor Mahima R. Kulkarni

Mahima R. Kulkarni 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).

  • Hydraulic chuck with a reduction sleeve
    Patent number: 9662714
    Abstract: A hydraulic expansion chuck for receiving a tool includes a chuck body, an expansion bushing which is received in the chuck body and defines a chuck opening, a pressure chamber which is interposed between the expansion bushing and the chuck body, and a reduction sleeve. The reduction sleeve is received in the chuck opening of the expansion bushing and defines a tool holder receptacle for receiving the tool to be chucked. The reduction sleeve includes a connector element configured to releasably attach the reduction sleeve to the chuck body. The reduction sleeve also may include an adjustment element configured to adjust the axial position of the tool in the tool holder receptacle.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: May 30, 2017
    Assignee: KENNAMETAL INC.
    Inventors: Ruy Frota de Souza Filho, Josef K. Herud, Mahima R. Kulkarni, Santhosha Boregowda Borapura
  • HYDRAULIC CHUCK WITH A REDUCTION SLEEVE
    Publication number: 20140353931
    Abstract: A hydraulic expansion chuck for receiving a tool includes a chuck body, an expansion bushing which is received in the chuck body and defines a chuck opening, a pressure chamber which is interposed between the expansion bushing and the chuck body, and a reduction sleeve. The reduction sleeve is received in the chuck opening of the expansion bushing and defines a tool holder receptacle for receiving the tool to be chucked. The reduction sleeve includes a connector element configured to releasably attach the reduction sleeve to the chuck body. The reduction sleeve also may include an adjustment element configured to adjust the axial position of the tool in the tool holder receptacle.
    Type: Application
    Filed: May 22, 2014
    Publication date: December 4, 2014
    Applicant: Kennametal Inc.
    Inventors: Ruy Frota de Souza Filho, Josef K. Herud, Mahima R. Kulkarni, Santhosha Boregowda Borapura