Patents by Inventor Christian Laube

Christian Laube 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).

  • Patent number: 6860341
    Abstract: A gear transmission assembly for an electrical power tool includes a housing (6), a multi-stage gear train (1) located in the housing and having a plurality of axially displaceable indexing gears (4a, 4b) associated with respective stages of the gear train (1) and a shift device (2) for shifting the gear train (1) from one stage to another and having a shifting slide (3) displaceable from one shift stage to another, and a plurality of springable shifting stirrups (5a, 5b) connected with the shifting slide (3) and cooperating with respective indexing gears (4a, 4b) for displacing same in response to displacement of the shifting slide (3) between shift stages.
    Type: Grant
    Filed: May 20, 2003
    Date of Patent: March 1, 2005
    Assignee: Hilti Aktiengesellschaft
    Inventors: David Spielmann, Othmar Gerschwiler, Armin Breitenmoser, Christian Laube
  • Patent number: 6843141
    Abstract: A hand-held power tool includes a torque cut-off device (2) for presetting a torque of the driving shaft (3) of the hand-held power tool and formed as a control device (4) having a rotatable control sleeve (5) including a control cam (6) having at least two cam sections (6a, 6b), and a control element (7) secured in the housing (1) of the power tool without a possibility of rotation but with a possibility of an axial displacement relative to a rotational axis (D) of the control sleeve (5) and having at least two probing sections (8a, 8b) cooperating with respective cam sections (6a, 6b) for presetting the torque.
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: January 18, 2005
    Assignee: Hilti Aktiengesellschaft
    Inventors: David Spielmann, Christian Laube, Armin Breitenmoser
  • Publication number: 20040069511
    Abstract: A hand-held power tool includes a torque cut-off device (2) for presetting a torque of the driving shaft (3) of the hand-held power tool and formed as a control device (4) having a rotatable control sleeve (5) including a control cam (6) having at least two cam sections (6a, 6b), and a control element (7) secured in the housing (1) of the power tool without a possibility of rotation but with a possibility of an axial displacement relative to a rotational axis (D) of the control sleeve (5) and having at least two probing sections (8a, 8b) cooperating with respective cam sections (6a, 6b) for presetting the torque.
    Type: Application
    Filed: July 2, 2003
    Publication date: April 15, 2004
    Inventors: David Spielmann, Christian Laube, Armin Breitenmoser
  • Publication number: 20040020669
    Abstract: A gear transmission assembly for an electrical power tool includes a housing (6), a multi-stage gear train (1) located in the housing and having a plurality of axially displaceable indexing gears (4a, 4b) associated with respective stages of the gear train (1) and a shift device (2) for shifting the gear train (1) from one stage to another and having a shifting slide (3) displaceable from one shift stage to another, and a plurality of springable shifting stirrups (5a, 5b) connected with the shifting slide (3) and cooperating with respective indexing gears (4a, 4b) for displacing same in response to displacement of the shifting slide (3) between shift stages.
    Type: Application
    Filed: May 20, 2003
    Publication date: February 5, 2004
    Inventors: David Spielmann, Othmar Gerschwiler, Armin Breitenmoser, Christian Laube