Patents by Inventor Franciscus J. M. van der Heijden

Franciscus J. M. van der Heijden 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).

  • Method of limiting a contact force
    Patent number: 5293809
    Abstract: A force limiter for limiting the force with which two articles come into contact with each other, which force limiter comprises a control member (11) displaceable with respect to a holder (5), which member is pneumatically prestressed with a force which is substantially independent of the relative position between the holder (5) and the control member (11). The force limiter can be used in devices in which, after stopping a drive the contact force between the driven first article and the second article in contact therewith mustnot exceed a given threshold value. More particularly the use in ultrasonic deformation devices is considered.
    Type: Grant
    Filed: May 21, 1992
    Date of Patent: March 15, 1994
    Assignee: U.S. Philips Corporation
    Inventors: Franciscus J. M. Van Der Heijden, Johan M. Bos
  • Force limiter and ultrasonic device provided with a force limiter
    Patent number: 5197371
    Abstract: A force limiter for limiting the force between two articles getting into contact with each other, which force limiter comprises a control member (11) displaceable with respect to a holder (5), which member is pneumatically pre-stressed with a force which is substantially independent of the relative position between the holder (5) and the control member (11). The force limiter can be used in devices, in which after stopping a drive the contact force between the driven first article and the second article in contact therewith must not exceed a given threshold value. More particularly the use in ultrasonic deformation devices is considered.
    Type: Grant
    Filed: April 15, 1991
    Date of Patent: March 30, 1993
    Assignee: U.S. Philips Corporation
    Inventors: Franciscus J. M. van der Heijden, Johan M. Bos