Patents by Inventor Lothar Merbach

Lothar Merbach 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: 5461744
    Abstract: A dental device for an electric toothbrush drive having a drive shaft, the dental device including a housing, a motion converter arranged in the housing and including a rocker arm, a rotary oscillation plate having an eccentrically arranged plug-in opening, and a plug-in axle for operatively connecting the rotary oscillation plate to the rocker arm via the plug-in opening. A guide is provided for releasably and operatively connecting one end of the rocker arm to the drive shaft of the toothbrush drive, and a bearing is provided for rotatably supporting the rotary oscillating plate at the housing. The motion converter converts the movement of the drive shaft into rotational ocillatory movement of the rotary oscillation plate about the plug-in axle.
    Type: Grant
    Filed: November 18, 1994
    Date of Patent: October 31, 1995
    Assignee: Rowenta-Werke GmbH
    Inventor: Lothar Merbach