Patents by Inventor Petrus J. C. Schimmel

Petrus J. C. Schimmel 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 feeding rigid spacers into travellers for a vertical blind
    Patent number: 4835848
    Abstract: Apparatus for feeding a plurality of rigid steel elongate spacers into each of a plurality of travellers 22, the apparatus including the holding station 16, a retractable holding member 24, 25 which can be used to feed a single traveller into the holding station. A linear guide 30 is provided for guiding the spacers 62 to the holding station in a lengthwise direction and the first feed mechanism 32 is provided for feeding the spacers individually and separately along the guide to position with the leading edge of the spacer adjacent the holding station. A second feed mechanism 40 to 46 pushes a spacer 62 so positioned positively into and through a co-operating slot in the traveller 22 held in the holding station and a discharge member 68 discharges the traveller and its associated spacer from the holding station, when the holding member has been retracted.
    Type: Grant
    Filed: February 25, 1988
    Date of Patent: June 6, 1989
    Assignee: Hunter Douglas International N.V.
    Inventors: Petrus J. C. Schimmel, Gerhardus J. Spikker