Patents by Inventor Oliver Zirn

Oliver Zirn 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).

  • Hand-held machine tool
    Patent number: 7055620
    Abstract: The invention is based on a hand power tool having an electric motor (12) located in a housing (10), via which an insertable tool (16) situated in a tool mount (14) is capable of being driven in a rotating manner, and having a safety device (18) with which a characteristic value for an occurrence of uncontrolled blockage of the insertable tool (16) can be detected via a sensor unit (20), and the movement of the housing (10) can be decelerated. It is proposed that the safety device (18) is formed at least partially by a motor control unit (22), via which the electric motor (12) can be actively decelerated when an occurrence of uncontrolled blockage of the insertable tool (16) is detected.
    Type: Grant
    Filed: February 9, 2002
    Date of Patent: June 6, 2006
    Assignee: Robert Bosch GmbH
    Inventors: Peter Nadig, Oliver Zirn, Ludwig Thome
  • Manual machine tool
    Patent number: 6843327
    Abstract: The invention is based on a hand power tool, in particular a drill hammer and/or a chipping hammer, having a striking mechanism (14) capable of being driven in a housing (10) by an electric motor (12), via which an insertable tool (18) situated in a tool mount (16) is capable of being driven in an impacting manner, and having a sensor unit (30) via which a characteristic value for a no-load position can be detected. It is proposed that, when a no-load position is detected via a motor control unit (22), the electric motor (12) and, therefore, the striking mechanism (14) can be actively decelerated.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: January 18, 2005
    Assignee: Robert Bosch GmbH
    Inventors: Gerhard Meixner, Oliver Zirn, Egbert Schneider
  • Manual machine tool
    Publication number: 20040003930
    Abstract: The invention is based on a hand power tool, in particular a drill hammer and/or a chipping hammer, having a striking mechanism (14) capable of being driven in a housing (10) by an electric motor (12), via which an insertable tool (18) situated in a tool mount (16) is capable of being driven in an impacting manner, and having a sensor unit (30) via which a characteristic value for a no-load position can be detected.
    Type: Application
    Filed: March 31, 2003
    Publication date: January 8, 2004
    Inventors: Gerhard Meixner, Oliver Zirn, Egbert Schneider
  • Hand-held machine tool
    Publication number: 20030116332
    Abstract: The invention is based on a hand power tool having an electric motor (12) located in a housing (10), via which an insertable tool (16) situated in a tool mount (14) is capable of being driven in a rotating manner, and having a safety device (18) with which a characteristic value for an occurrence of uncontrolled blockage of the insertable tool (16) can be detected via a sensor unit (20), and the movement of the housing (10) can be decelerated.
    Type: Application
    Filed: December 3, 2002
    Publication date: June 26, 2003
    Inventors: Peter Nadig, Oliver Zirn, Ludwig Thome