Patents by Inventor Joerg Wernli

Joerg Wernli 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).

  • Apparatus for changing bobbin tubes and tube gripper therefor
    Patent number: 5172540
    Abstract: The grippers are mounted on a doffer bar so as to disengage from both the top and bottom of the bar should a mis-alignment occur relative to a bobbin tube. The removal or separation of a gripper from the bar causes a pneumatic or electrical signal to be generated which can be used to indicate the individual disturbance location. A light may also be provided at each gripper station in order to indicate a position of a disturbance.
    Type: Grant
    Filed: January 17, 1991
    Date of Patent: December 22, 1992
    Assignee: Rieter Machine Works, Ltd.
    Inventors: Joerg Wernli, Daniel Brennwalder, Markus Erni, Isidor Fritschi, Andreas Wanzenried
  • Apparatus for changing bobbin tubes and tube gripper therefor
    Patent number: 5029438
    Abstract: The grippers are mounted on a doffer bar so as to disengage from both the top and bottom of the bar should a mis-alignment occur relative to a bottin tube. The removal or separation of a gripper from the bar causes a pneumatic or electrical signal to be generated which can be used to indicate the individual disturbance location. A light may also be provided at each gripper station in order to indicate a position of a disturbance.
    Type: Grant
    Filed: March 19, 1990
    Date of Patent: July 9, 1991
    Assignee: Rieter Machine Works, Ltd.
    Inventors: Joerg Wernli, Daniel Brennwalder, Markus Erni, Isidor Fritschi, Andreas Wanzenried
  • Apparatus for changing bobbin tubes and tube gripper therefor
    Patent number: 5014505
    Abstract: The grippers are mounted on a doffer bar so as to disengage from both the top and bottom of the bar should a mis-alignment occur relative to a bobbin tube. The removal or separation of a gripper from the bar causes a pneumatic or electrical signal to be generated which can be used to indicate the individual disturbance location. A light may also be provided at each gripper station in order to indicate a position of a disturbance.
    Type: Grant
    Filed: February 27, 1990
    Date of Patent: May 14, 1991
    Assignee: Rieter Machine Works, Ltd.
    Inventors: Joerg Wernli, Daniel Brennwalder, Markus Erni, Isidor Fritschi, Andreas Wanzenried