Patents by Inventor Leif Rickardsson

Leif Rickardsson 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).

  • Locking plate to be used in a locking arrangement and such a locking arrangement
    Patent number: 8628284
    Abstract: The present invention refers to a locking plate (1) to be used in a locking arrangement for securing a shaft nut (8) on a threaded shaft (13) having an axial groove (15) in its envelope surface, said locking plate (1) having a first end (1a) and a second end (1b) and means (11) for its attachment to the shaft nut (8), a portion (7) of said locking plate projecting inwardly and being intended to enter in said axial groove (15) in the threaded shaft (13), the locking plate having a first (4) and a second (5) spaced apart and aligned, elongated arch-formed through-hole, with an intermediate non-slotted material portion (6), the inwardly projecting portion (7) of the locking plate being positioned non-symmetrically in relation to said intermediate non-slotted material portion (6) between the said first (4) and second (5) spaced apart elongated arch-formed through-holes, and also to a locking arrangement incorporating such a locking plate.
    Type: Grant
    Filed: November 11, 2009
    Date of Patent: January 14, 2014
    Assignee: Aktiebolaget SKF
    Inventors: Jan Mårtensson, Leif Rickardsson, Niklas Kristoffersson, Jonny Nystedt, Beatrice Stranz
  • Locking Plate to be used in a Locking Arrangement and such a Locking Arrangement
    Publication number: 20110299956
    Abstract: The present invention refers to a locking plate (1) to be used in a locking arrangement for securing a shaft nut (8) on a threaded shaft (13) having an axial groove (15) in its envelope surface, said locking plate (1) having a first end (1a) and a second end (1b) and means (11) for its attachment to the shaft nut (8), a portion (7) of said locking plate projecting inwardly and being intended to enter in said axial groove (15) in the threaded shaft (13), the locking plate having a first (4) and a second (5) spaced apart and aligned, elongated arch-formed through-hole, with an intermediate non-slotted material portion (6), the inwardly projecting portion (7) of the locking plate being positioned non-symmetrically in relation to said intermediate non-slotted material portion (6) between the said first (4) and second (5) spaced apart elongated arch-formed through-holes, and also to a locking arrangement incorporating such a locking plate.
    Type: Application
    Filed: November 11, 2009
    Publication date: December 8, 2011
    Inventors: Jan Mártensson, Leif Rickardsson, Niklas Kristoffersson, Jonny Nystedt, Beatrice Stranz