Patents by Inventor Rolf Burkle

Rolf Burkle 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: 7676894
    Abstract: The invention describes a clasp for jewelry, especially for necklaces and bracelets, comprising a push-in fastener element, a receptacle element for receiving the push-in fastener element, a latching mechanism by means of which the push-in fastener element can be latched in the receptacle element, the latching mechanism comprising a spreadable latching means which when spread comes into a form-locking engagement with the receptacle element, and a handling means that can be gripped from outside of the receptacle element, for operation of the latching mechanism. It is provided according to the invention that the handling means is attached to a slide which is provided in the receptacle element and which in a first position, hereafter described as the latched position, is in engagement with the latching means and holds the latter in spread condition while in a second position, hereafter described as the unlatched position, it does not hold the latching means in spread condition.
    Type: Grant
    Filed: July 2, 2007
    Date of Patent: March 16, 2010
    Inventors: Wolfgang Böhm, Rolf Bürkle
  • Patent number: 7021168
    Abstract: A selector transmission with countershaft design is described which comprises one input shaft (2), one output shaft (3), one main shaft (4) situated therebetween and one countershaft (5) interacting with the main shaft (4), shiftable gear wheel pairs being located upon the main shaft (4) and the countershaft (5). The main shaft (4) and the countershaft (5) are disposed at an angle (?) to each other.
    Type: Grant
    Filed: October 16, 2002
    Date of Patent: April 4, 2006
    Assignee: ZF Friedrichshafen AG
    Inventors: Rolf Bürkle, Hermann Lanz, Martin Lamke
  • Publication number: 20040237680
    Abstract: A selector transmission with countershaft design is described which comprises one input shaft (2), one output shaft (3), one main shaft (4) situated therebetween and one countershaft (5) interacting with the main shaft (4), shiftable gear wheel pairs being located upon the main shaft (4) and the countershaft (5). The main shaft (4) and the countershaft (5) are disposed at an angle (&agr;) to each other.
    Type: Application
    Filed: March 30, 2004
    Publication date: December 2, 2004
    Inventors: Rolf Burkle, Hermann Lanz, Martin Lamke