Patents by Inventor Wilhelmus J. M. Hendrikx

Wilhelmus J. M. Hendrikx 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).

  • Device for driving a drilling and/or impacting tool
    Patent number: 4726430
    Abstract: A device for driving a drilling and/or impacting tool including a shaft journalled in a housing so as to be rotatable, if necessary. One end of the shaft is connectable with the tool whereas the other end is accessible for an oscillatory impact body movable in the housing by a guide, a rotatable driving shaft setting and a transmission. The transmission includes a device for converting the rotary movement of the driving shaft into an oscillatory movement of a driving element which is connected through an elastic member with the impact body.
    Type: Grant
    Filed: November 21, 1984
    Date of Patent: February 23, 1988
    Assignee: Skil Corporation
    Inventors: Wilhelmus J. M. Hendrikx, Antonie J. Moolenaar, Jan P. Houben
  • Device for driving a drilling and/or impacting tool
    Patent number: RE33733
    Abstract: A device for driving a drilling and/or impacting tool including a shaft journalled in a housing so as to be rotatable, if necessary. One end of the shaft is connectable with the tool whereas the other end is accessible for an oscillatory impact body movable in the housing by a guide, a rotatable driving shaft setting and a transmission. The transmission includes a device for converting the rotary movement of the driving shaft into an oscillatory movement of a driving element which is connected through an elastic member with the impact body.
    Type: Grant
    Filed: December 22, 1988
    Date of Patent: November 5, 1991
    Inventors: Wilhelmus J. M. Hendrikx, Antonie J. Moolenaar, Jan P. Houben