Patents by Inventor Pär Torgersson

Pär Torgersson 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).

  • Chassis arrangement for an electrically powered wheelchair and an electrically powered wheelchair comprising the same
    Patent number: 10201464
    Abstract: The present disclosure relates to a chassis arrangement (1) for an electrically powered wheelchair (35). The chassis arrangement (1) comprises a main chassis member (3) having a first side panel (3a) defining a first side of the main chassis member (3), and a second side panel (3b) defining a second side of the main chassis member (3), the second side being opposite to the first side, wherein each of the first side panel (3a) and the second side panel (3b) has spring attachment arrangements (3g, 3h) for attachment of spring assemblies (9a, 9b, 11a, 11b), wherein each of the first side panel (3a) and the second side panel (3b) has pivot arm attachment arrangements (3e, 3f) for attachment of pivot arms (5a, 5b, 7a, 7b), wherein the main chassis member (3) has a torsional stiffness greater than 1200 Nm/degree. An electrically powered wheelchair comprising a chassis arrangement (1) is also presented herein.
    Type: Grant
    Filed: September 16, 2015
    Date of Patent: February 12, 2019
    Assignee: PERMOBIL AB
    Inventors: Erik Kalf, Pär Torgersson, Herbert Van de Wal
  • Chassis arrangement for an electrically powered wheelchair and an electrically powered wheelchair comprising the same
    Patent number: 10058466
    Abstract: The present disclosure relates to a chassis arrangement (1) for an electrically powered wheelchair (35). The chassis arrangement (1) comprises a main chassis member (3) having a first side panel (3a) defining a first side of the main chassis member (3), and a second side panel (3b) defining a second side of the main chassis member (3), the second side being opposite to the first side, wherein each of the first side panel (3a) and the second side panel (3b) has spring attachment arrangements (3g, 3h) for attachment of spring assemblies (9a, 9b, 11a, 11b), wherein each of the first side panel (3a) and the second side panel (3b) has pivot arm attachment arrangements (3e, 3f) for attachment of pivot arms (5a, 5b, 7a, 7b), wherein the main chassis member (3) has a torsional stiffness greater than 1200 Nm/degree. An electrically powered wheelchair comprising a chassis arrangement (1) is also presented herein.
    Type: Grant
    Filed: September 16, 2015
    Date of Patent: August 28, 2018
    Assignee: PERMOBIL AB
    Inventors: Erik Kalf, Pär Torgersson, Herbert Van de Wal
  • CHASSIS ARRANGEMENT FOR AN ELECTRICALLY POWERED WHEELCHAIR AND AN ELECTRICALLY POWERED WHEELCHAIR COMPRISING THE SAME
    Publication number: 20170296409
    Abstract: The present disclosure relates to a chassis arrangement (1) for an electrically powered wheelchair (35). The chassis arrangement (1) comprises a main chassis member (3) having a first side panel (3a) defining a first side of the main chassis member (3), and a second side panel (3b) defining a second side of the main chassis member (3), the second side being opposite to the first side, wherein each of the first side panel (3a) and the second side panel (3b) has spring attachment arrangements (3g, 3h) for attachment of spring assemblies (9a, 9b, 11a, 11b), wherein each of the first side panel (3a) and the second side panel (3b) has pivot arm attachment arrangements (3e, 3f) for attachment of pivot arms (5a, 5b, 7a, 7b), wherein the main chassis member (3) has a torsional stiffness greater than 1200 Nm/degree. An electrically powered wheelchair comprising a chassis arrangement (1) is also presented herein.
    Type: Application
    Filed: September 16, 2015
    Publication date: October 19, 2017
    Applicant: PERMOBIL AB
    Inventors: Erik Kalf, Pär Torgersson, Herbert Van de Wal
  • CHASSIS ARRANGEMENT FOR AN ELECTRICALLY POWERED WHEELCHAIR AND AN ELECTRICALLY POWERED WHEELCHAIR COMPRISING THE SAME
    Publication number: 20170281436
    Abstract: The present disclosure relates to a chassis arrangement (1) for an electrically powered wheelchair (35). The chassis arrangement (1) comprises a main chassis member (3) having a first side panel (3a) defining a first side of the main chassis member (3), and a second side panel (3b) defining a second side of the main chassis member (3), the second side being opposite to the first side, wherein each of the first side panel (3a) and the second side panel (3b) has spring attachment arrangements (3g, 3h) for attachment of spring assemblies (9a, 9b, 11a, 11b), wherein each of the first side panel (3a) and the second side panel (3b) has pivot arm attachment arrangements (3e, 3f) for attachment of pivot arms (5a, 5b, 7a, 7b), wherein the main chassis member (3) has a torsional stiffness greater than 1200 Nm/degree. An electrically powered wheelchair comprising a chassis arrangement (1) is also presented herein.
    Type: Application
    Filed: September 16, 2015
    Publication date: October 5, 2017
    Inventors: Erik Kalf, Pär Torgersson, Herbert Van de Wal