Patents by Inventor Gerhard B. Sommer

Gerhard B. Sommer 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).

  • Door stop for use with automatic door operators
    Patent number: 4185512
    Abstract: An electro-mechanical automatic door operator employing a motorized drive train including a pair of over-lapping gears closely confined within a header mounted housing of limited dimension and having a compact disc spring stop assembly carried by and movable with one of the over-lapping gears for engagement with the periphery of the other gear whereby to limit relative rotational movement of said gears and provide a yieldable stop of high impact capacity for protecting the drive train and an associated door from overload opening forces.
    Type: Grant
    Filed: May 8, 1978
    Date of Patent: January 29, 1980
    Assignee: Republic Industries, Inc.
    Inventor: Gerhard B. Sommer