Patents by Inventor Leif HALLIN

Leif HALLIN 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: 10967924
    Abstract: The invention relates to a tracked vehicle (11) comprising a vehicle body (30), at least one track assembly (21) and a suspension device (S). Said track assembly (21) is arranged to be supported by said vehicle body (30) by means of said suspension device (S), said track assembly comprising a track support beam (22) for supporting a plurality of road wheels (23, 23a), an endless track (25) being disposed around said road wheels. Said suspension device (S) comprises a bogie arrangement (50) rotatably attached to a fastening point (P0) of said vehicle body (30) about an axis of rotation (Z0) transversal to the longitudinal extension of said track assembly (21) and attached to said track support beam (22) in connection to at least two fastening points (P1, P2) so that the track support beam (22) is allowed to rotate in a rotational plane extending along the longitudinal extension of said track support beam (22) about said axis of rotation.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: April 6, 2021
    Assignee: BAE SYSTEMS HÄGGLUNDS AKTIEBOLAG
    Inventors: Björn Hellholm, Leif Hallin, Jens Wågberg, Daniel Engblom, Max Thorén, Anders Bodin, Björn Nordberg, Anders Sandin
  • Publication number: 20190359269
    Abstract: The invention relates to a tracked vehicle (10; 11) comprising a vehicle body (30, 32; 30), at least one track assembly (21) and a suspension device (S) for suspension of said track assembly (21) to said vehicle body (30) of said tracked vehicle (10; 11). Said track assembly (21) comprises a track support beam (22), a plurality of road wheels (23, 23a), at least one drive wheel (24), and an endless track (25). Said track support beam (22) is arranged to support said at least one drive wheel (24) and a plurality of road wheels (23, 23a). Said endless track is disposed around said at least one drive wheel (24) and plurality of road wheels (23, 23a). Said suspension device (S) comprises two pendulum arms (52, 54) which in one end are rotatably attached to a respective fastening point (P1b, P2b) in said vehicle body (30; 32, 30) and in the other end are rotatably attached to a respective fastening point (P1a, P2a) in the track support beam (22) of said track assembly (21).
    Type: Application
    Filed: November 9, 2017
    Publication date: November 28, 2019
    Applicant: BAE SYSTEMS HÄGGLUNDS AKTIEBOLAG
    Inventors: Björn HELLHOLM, Leif HALLIN, Jens WÅGBERG, Daniel ENGBLOM, Max THORÉN, Anders BODIN, Björn NORDBERG, Anders SANDIN
  • Publication number: 20190359268
    Abstract: The invention relates to a tracked vehicle (11) comprising a vehicle body (30), at least one track assembly (21) and a suspension device (S). Said track assembly (21) is arranged to be supported by said vehicle body (30) by means of said suspension device (S), said track assembly comprising a track support beam (22) for supporting a plurality of road wheels (23, 23a), an endless track (25) being disposed around said road wheels. Said suspension device (S) comprises a bogie arrangement (50) rotatably attached to a fastening point (P0) of said vehicle body (30) about an axis of rotation (Z0) transversal to the longitudinal extension of said track assembly (21) and attached to said track support beam (22) in connection to at least two fastening points (P1, P2) so that the track support beam (22) is allowed to rotate in a rotational plane extending along the longitudinal extension of said track support beam (22) about said axis of rotation.
    Type: Application
    Filed: November 9, 2017
    Publication date: November 28, 2019
    Applicant: BAE SYSTEMS HÄGGLUNDS AKTIEBOLAG
    Inventors: Björn HELLHOLM, Leif HALLIN, Jens WÅGBERG, Daniel ENGBLOM, Max THORÉN, Anders BODIN, Björn NORDBERG, Anders SANDIN