Patents by Inventor Hans Rapparlie

Hans Rapparlie 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: 3981493
    Abstract: In an apparatus for forwarding flat items individually from a stack, a withdrawing mechanism forwards the items in succession into the gripping zone of a feed mechanism for further conveyance. Between the withdrawing mechanism and the feed mechanism there is situated a sensor which is connected to a control circuit controlling the operation of the withdrawing mechanism. The location of the sensor determines a standby position for each item. The control circuit causes operation of the withdrawing mechanism only when either the sensor senses no item present or the sensor senses the presence of an item and there is applied a call signal to the control circuit. Each item is first forwarded by the withdrawing mechanism from the stack to the standby position and is advanced by the withdrawing mechanism from the standby position into the gripping zone of the feed mechanism only when the call signal is applied to the control circuit.
    Type: Grant
    Filed: February 27, 1974
    Date of Patent: September 21, 1976
    Assignee: Licentia Patent-Verwaltungs-G.m.b.H.
    Inventors: Karl Klappenecker, Gisbert Burkhardt, Hans Rapparlie