Patents Examined by Chukwarah Nathaniel
  • Patent number: 6957706
    Abstract: An attachment member (4) for connecting a hand grip with a housing part and a gearbox of an electric hand tool is formed of a flat base plate (11) for partitioning the housing part and the gearbox relative to the hand grip and formed with a first side (12) and a second side (13). Two passages (6.1, 6.2) form channels for guiding a fastener and extend perpendicularly to the second side (13) of the base plate (11). The attachment member (4) further comprises two air conveying elements (15.1, 15.2), which are arranged at an angle to the second side (13) and each has a curved deflecting section (22.1, 22.2), which projects from the second side on a radius (R) over an angular range (?). In addition, the attachment member (4) has a support for a detent spring (24) for a control knob for adjusting a gearing arranged in the gearbox.
    Type: Grant
    Filed: June 9, 2004
    Date of Patent: October 25, 2005
    Assignee: Hilti Aktiengesellschaft
    Inventors: Helmut Burger, Mathias Doberenz, Thomas Naumann