Patents by Inventor Michael Jasch

Michael Jasch 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: 6945862
    Abstract: A power tool having a receptacle for securing a tool to a drive shaft thereof is disclosed. The receptacle comprises a receiving opening, preferably being arranged on the tool. The receiving opening engages a securing section preferably being provided in a raised fashion on the drive shaft of the power tool, thereby effecting a positive fit. The securing section comprises a plurality of rounded tips arranged at even radial distances from said longitudinal axis, at angular intervals between each other, each rounded tip having a pair of lateral flanks extending from a common apex toward an intermediate section connecting lateral flanks of a pair of adjacent rounded tips. Preferably the receiving opening comprises a number of rounded tips which is twice the number of rounded tips provided on the raised section.
    Type: Grant
    Filed: September 2, 2004
    Date of Patent: September 20, 2005
    Assignee: C. & E. Fein GmbH
    Inventors: Michael Jasch, Joerg Bortz
  • Publication number: 20050095966
    Abstract: A power tool having a receptacle for securing a tool to a drive shaft thereof is disclosed. The receptacle comprises a receiving opening, preferably being arranged on the tool. The receiving opening engages a securing section preferably being provided in a raised fashion on the drive shaft of the power tool, thereby effecting a positive fit. The securing section comprises a plurality of rounded tips arranged at even radial distances from said longitudinal axis, at angular intervals between each other, each rounded tip having a pair of lateral flanks extending from a common apex toward an intermediate section connecting lateral flanks of a pair of adjacent rounded tips. Preferably the receiving opening comprises a number of rounded tips which is twice the number of rounded tips provided on the raised section.
    Type: Application
    Filed: September 2, 2004
    Publication date: May 5, 2005
    Inventors: Michael Jasch, Joerg Bortz
  • Patent number: 6796888
    Abstract: A power tool having a receptacle for securing a tool to a drive shaft thereof is diclosed. The receptacle comprises a receiving opening, preferably being arranged on the tool. The receiving opening engages a securing section preferably being provided in a raised fashion on the drive shaft of the power tool, thereby effecting a positive fit therebetween. The receiving opening has a cross section comprising a plurality of bulges displaced outwardly from a center axis of the drive shaft.
    Type: Grant
    Filed: November 2, 2001
    Date of Patent: September 28, 2004
    Assignee: C. & E. Fein GmbH & Co. KG
    Inventor: Michael Jasch
  • Publication number: 20020070037
    Abstract: A power tool having a receptacle for securing a tool to a drive shaft thereof is diclosed. The receptacle comprises a receiving opening, preferably being arranged on the tool. The receiving opening engages a securing section preferably being provided in a raised fashion on the drive shaft of the power tool, thereby effecting a positive fit therebetween. The receiving opening has a cross section comprising a plurality of bulges displaced outwardly from a center axis of the drive shaft.
    Type: Application
    Filed: November 2, 2001
    Publication date: June 13, 2002
    Inventor: Michael Jasch