Patents by Inventor Jonas Jähkel

Jonas Jähkel 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: 11826291
    Abstract: A mobility device (1) comprising: a main frame (3), drive wheel swing arms (5) pivotally connected to the main frame (3), drive wheels (7) connected to a respective one of the drive wheel swing arms (5), wheel motors, each wheel motor being configured to drive a respective drive wheel (7), a rear wheel swing arm (9) pivotally connected to the main frame (3), a rear wheel (11) connected to the rear wheel swing arm (9), and an actuating device configured to control a rear wheel swing arm angle between the rear wheel swing arm (9) and the main frame (3) independently of control of the wheel motors.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: November 28, 2023
    Assignee: PERMOBIL AB
    Inventor: Jonas Jähkel
  • Patent number: 11617696
    Abstract: A mobility device (1) comprising: a main frame (3) having a central longitudinal axis which coincides with the median plane of the mobility device (1), an elongated body support member (13b) which has a central longitudinal axis (At) that is contained in a median plane of the mobility device (1), the body support member (13b) being pivotally connected to the main frame (3) via a medial pivot connection (17), and an elongated rotation transfer member (13c) rotatably connected to the body support member (13b), wherein the rotation transfer member (13b) has a central longitudinal axis (A2) which extends transversally relative to the central longitudinal axis (At) of the body support member (13b).
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: April 4, 2023
    Assignee: PERMOBIL AB
    Inventor: Jonas Jähkel
  • Patent number: 11344459
    Abstract: The present disclosure relates to a tilt assembly (1) for a powered wheelchair (15), comprising: an elongated base member (3) provided with an axial channel, a lifting member (5) configured to be received by the base member (3) and to move rectilinearly in the channel, between a retracted position and an extended position relative to the base member (3), a tilt frame (7) pivotally connected to the lifting member (5), the tilt frame (7) being configured for mounting a seat assembly (21) thereto, and an actuator arm (9) pivotally connected to the base member (3) and to the tilt frame (7), the actuator arm (9) being configured to be actuated between a retracted actuator position and a fully extended actuator position, wherein the tilt frame (7) is configured to obtain a perpendicular orientation relative to a central axis (11) of the lifting member (5) when the lifting member (5) is in the retracted position and the actuator arm is in the retracted actuator position and to be inclined relative to the central axi
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: May 31, 2022
    Inventors: Jonas Jähkel, Mehdi Mirzaie
  • Publication number: 20210346217
    Abstract: A mobility device (1) comprising: a main frame (3) having a central longitudinal axis which coincides with the median plane of the mobility device (1), an elongated body support member (13b) which has a central longitudinal axis (At) that is contained in a median plane of the mobility device (1), the body support member (13b) being pivotally connected to the main frame (3) via a medial pivot connection (17), and an elongated rotation transfer member (13c) rotatably connected to the body support member (13b), wherein the rotation transfer member (13b) has a central longitudinal axis (A2) which extends transversally relative to the central longitudinal axis (At) of the body support member (13b).
    Type: Application
    Filed: July 18, 2019
    Publication date: November 11, 2021
    Inventor: Jonas Jähkel
  • Publication number: 20210220195
    Abstract: A mobility device (1) comprising: a main frame (3), drive wheel swing arms (5) pivotally connected to the main frame (3), drive wheels (7) connected to a respective one of the drive wheel swing arms (5), wheel motors, each wheel motor being configured to drive a respective drive wheel (7), a rear wheel swing arm (9) pivotally connected to the main frame (3), a rear wheel (11) connected to the rear wheel swing arm (9), and an actuating device configured to control a rear wheel swing arm angle between the rear wheel swing arm (9) and the main frame (3) independently of control of the wheel motors.
    Type: Application
    Filed: July 18, 2019
    Publication date: July 22, 2021
    Inventor: Jonas Jähkel
  • Publication number: 20200093666
    Abstract: The present disclosure relates to atilt assembly (1) for a powered wheelchair (15), comprising: an elongated base member (3) provided with an axial channel, a lifting member (5) configured to be received by the base member (3) and to move rectilinearly in the channel, between a retracted position and an extended position relative to the base member (3), a tilt frame (7) pivotally connected to the lifting member (5), the tilt frame (7) being configured for mounting a seat assembly (21) thereto, and an actuator arm (9) pivotally connected to the base member (3) and to the tilt frame (7), the actuator arm (9) being configured to be actuated between a retracted actuator position and a fully extended actuator position, wherein the tilt frame (7) is configured to obtain a perpendicular orientation relative to a central axis (11) of the lifting member (5) when the lifting member (5) is in the retracted position and the actuator arm is in the retracted actuator position and to be inclined relative to the central axis
    Type: Application
    Filed: March 28, 2018
    Publication date: March 26, 2020
    Inventors: Jonas Jähkel, Mehdi Mirzaie
  • Publication number: 20120080919
    Abstract: A backrest assembly for a wheelchair includes a support plate pivotally connected to a seat, wherein the support plate is configured to be pivotally adjusted between upright and reclined positions with respect to the seat; a slide plate slidably secured on a front surface of the support plate; and a backrest adjustment assembly operatively connected to the support plate and the slide plate. The backrest adjustment assembly includes a link configured to adjust the support plate. The slide plate slides over the support plate through the link.
    Type: Application
    Filed: October 1, 2010
    Publication date: April 5, 2012
    Applicant: PERMOBIL AB
    Inventors: Bo Engman, Urban Lind, Niklas Bäckström, Jonas Jähkel, Mehdi Mirzaie