Holder Movable To Inoperative Position On Typewriter Patents (Class 400/205.1)
  • Device comprising a movable component
    Patent number: 11006537
    Abstract: A device includes an interior which is enclosed by a housing. The housing includes an opening. A movable component closes the opening in the housing between the interior and an exterior of the housing. The passage points for movable components have hydrophobic surfaces. A device of this type is protected in a non-contacting manner against penetration and discharge of fluids.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: May 11, 2021
    Inventor: Martin Koepsell