Patents by Inventor Mikael Edvinsson

Mikael Edvinsson 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: 10398073
    Abstract: A disc device for an agricultural machine includes at least one disc implement, an arm, at one end of which the implement is journalled in bearings at an axle, and a bearing, which is arranged at the opposite end of the arm and is adapted to be fastened at a transverse beam on the frame of the agricultural machine. The disc device includes in the circumference direction of the disc implement mainly equally distributed, freestanding, out towards the periphery radially extending, protruding parts, wherein each protruding part has an outer edge, which extends in the range 15-75 degrees in relation to the plane of the disc implement.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: September 3, 2019
    Assignee: VÄDERSTAD-VERKEN AB
    Inventors: Crister Stark, Mikael Edvinsson
  • Patent number: 9526198
    Abstract: A suspension unit for an agricultural implement, the suspension unit includes a bearing unit. The bearing unit contains an inner sleeve and an outer sleeve which is rotatable relative to said inner sleeve, and a friction-reducing member arranged between the inner sleeve and the outer sleeve. The suspension unit further includes a spring element, arranged radially outside the outer sleeve, and a holder which forms a spring chamber in which the spring element is accommodated. The spring element is fixed in the spring chamber between a circumferential, radially outwardly open groove, which is integrated with the outer sleeve, and a radially inwardly open groove, which surrounds the outer sleeve.
    Type: Grant
    Filed: August 21, 2013
    Date of Patent: December 27, 2016
    Assignee: Vaderstad-Verken AB
    Inventors: Henrik Johansson, Mikael Edvinsson, Crister Stark
  • Publication number: 20160014951
    Abstract: A disc device for an agricultural machine includes at least one disc implement, an arm, at one end of which the implement is journalled in bearings at an axle, and a bearing, which is arranged at the opposite end of the arm and is adapted to be fastened at a transverse beam on the frame of the agricultural machine. The disc device includes in the circumference direction of the disc implement mainly equally distributed, freestanding, out towards the periphery radially extending, protruding parts, wherein each protruding part has an outer edge, which extends in the range 15-75 degrees in relation to the plane of the disc implement.
    Type: Application
    Filed: March 7, 2014
    Publication date: January 21, 2016
    Applicant: VÄDERSTAD-VERKEN AB
    Inventors: Crister STARK, Mikael EDVINSSON
  • Publication number: 20150189824
    Abstract: The present document shows a suspension unit for an agricultural implement, comprising a bearing unit. The bearing unit contains an inner sleeve and an outer sleeve which is rotatable relative to said inner sleeve, and a friction-reducing member arranged between the inner sleeve and the outer sleeve. The suspension unit further comprises a spring element, arranged radially outside the outer sleeve; and a holder which forms a spring chamber in which the spring element is accommodated. The spring element is fixed in the spring chamber between a circumferential, radially outwardly open groove, which is integrated with the outer sleeve, and a radially inwardly open groove, which surrounds the outer sleeve.
    Type: Application
    Filed: August 21, 2013
    Publication date: July 9, 2015
    Inventors: Henrik Johansson, Mikael Edvinsson, Crister Stark