Patents by Inventor Hakan Bergman
Hakan Bergman 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).
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Patent number: 11452649Abstract: The present disclosure relates to a leg rest release mechanism (1) for a wheelchair, wherein the leg rest release mechanism (1) comprises: a base member (3) having a base portion (3a) and an elongated axle portion (3b) extending from the base portion (3a), a leg rest swivel frame (5) in swivel connection with the axle portion (3b) to enable swivelling of the leg rest swivel frame (5) relative to the axle portion (3b), wherein the leg rest swivel frame (5) is configured to be connected to an elongated foot rest mounting member (9) provided with a foot rest (5), and a release member (7) having a lifting handle (7a), wherein the release member (7) extends through the leg rest swivel frame (5) and wherein the release member (7) is biased to engage with the base portion (3a) to thereby lock the leg rest swivel frame (5) in a fixed position relative to the base member (3), wherein the release member (7) is configured to disengage from the base portion (3a) by pulling of the lifting handle (7a), whereby the leg restType: GrantFiled: December 14, 2018Date of Patent: September 27, 2022Assignee: PERMOBIL ABInventor: Hakan Bergman
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Patent number: 11318786Abstract: The present disclosure relates to a caster wheel assembly (1), comprising: a caster housing (3) provided with an axial channel, a spindle shaft (7) configured to be received by the channel of the caster housing (3), which spindle shaft (7) is inclined relative to the vertical plane when mounted in the caster housing (3) and the caster wheel assembly (1) is in use resting on a horizontal support, the caster housing (3) and the spindle shaft (7) being configured to rotate freely relative to each other, a caster wheel fork (9) having a wheel axle (11) configured to be arranged offset relative to a central axis of the spindle shaft (7), to provide a trail functionality, and a height adjustment mechanism (6) configured to adjust an axial position of the spindle shaft (7) relative to the caster housing (3) based on a rotational position of the spindle shaft (7) in relation to the caster housing (3).Type: GrantFiled: December 7, 2017Date of Patent: May 3, 2022Inventor: Håkan Bergman
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Publication number: 20200315884Abstract: The present disclosure relates to a leg rest release mechanism (1) for a wheelchair, wherein the leg rest release mechanism (1) comprises: a base member (3) having a base portion (3a) and an elongated axle portion (3b) extending from the base portion (3a), a leg rest swivel frame (5) in swivel connection with the axle portion (3b) to enable swivelling of the leg rest swivel frame (5) relative to the axle portion (3b), wherein the leg rest swivel frame (5) is configured to be connected to an elongated foot rest mounting member (9) provided with a foot rest (5), and a release member (7) having a lifting handle (7a), wherein the release member (7) extends through the leg rest swivel frame (5) and wherein the release member (7) is biased to engage with the base portion (3a) to thereby lock the leg rest swivel frame (5) in a fixed position relative to the base member (3), wherein the release member (7) is configured to disengage from the base portion (3a) by pulling of the lifting handle (7a), whereby the leg restType: ApplicationFiled: December 14, 2018Publication date: October 8, 2020Inventor: Hakan Bergman
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Patent number: 10702430Abstract: The present disclosure relates to a wheelchair (1) with tilt capabilities. The electric wheelchair comprises a chassis (3), a lift device having a base member which is fixedly arranged to the chassis, and a lifting member arranged to move rectilinearly relative to the base member along an axis defined by a longitudinal extension of the lifting member, a tilt frame, a first arm pivotally coupled to the lifting member and the tilt frame, and a second arm coupled to the base member, and which second arm is pivotally coupled to the first arm forming a pivot connection, wherein movement of the lifting member towards the extended position moves the pivot connection towards the base member and movement of the lifting member towards the retracted position moves the pivot connection away from the base member.Type: GrantFiled: June 2, 2016Date of Patent: July 7, 2020Assignee: PERMOBIL ABInventors: Jonas Jahkel, Goran Mansson, Stefan Nilzen, Johnny Nordin, Rune Stenstrom, Hakan Bergman, Magnus Andersson, Richard Ronngardh, Ake Melander, Bo Engman, Adam Karpinski, Corey Blauch, Lori Weaver, Mehdi Mirzaie
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Publication number: 20190366768Abstract: The present disclosure relates to a caster wheel assembly (1), comprising: a caster housing (3) provided with an axial channel, a spindle shaft (7) configured to be received by the channel of the caster housing (3), which spindle shaft (7) is inclined relative to the vertical plane when mounted in the caster housing (3) and the caster wheel assembly (1) is in use resting on a horizontal support, the caster housing (3) and the spindle shaft (7) being configured to rotate freely relative to each other, a caster wheel fork (9) having a wheel axle (11) configured to be arranged offset relative to a central axis of the spindle shaft (7), to provide a trail functionality, and a height adjustment mechanism (6) configured to adjust an axial position of the spindle shaft (7) relative to the caster housing (3) based on a rotational position of the spindle shaft (7) in relation to the caster housing (3).Type: ApplicationFiled: December 7, 2017Publication date: December 5, 2019Inventor: Håkan Bergman
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Patent number: 10350121Abstract: An electrically powered wheelchair includes a chassis, seat frame, seat frame tilt and lift system, armrest assembly pivotally coupled to the seat frame, and armrest adjustment arrangement including: a first force transmitting arrangement having a first set of four pivot points and pivotally coupled to: an arm of the seat frame tilt and lift system via a first pivot point of the first set of four pivot points, and lifting member of the seat frame tilt and lift system via a second pivot point of the first set of four pivot points, and a second force transmitting arrangement having a second set of four pivot points and pivotally coupled to: the first force transmitting arrangement via a first pivot point of the second set of four pivot points, the seat frame via a second pivot point of the second set of four pivot points, and the armrest assembly.Type: GrantFiled: September 16, 2015Date of Patent: July 16, 2019Assignee: PERMOBIL ABInventor: Häkan Bergman
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Publication number: 20180177653Abstract: The present disclosure relates to an electrically powered wheelchair comprising a chassis, a seat frame, a seat frame tilt and lift system having a lifting member arranged to provide translational movement of the seat frame relative to the chassis, and a first arm (11) which in cooperation with the lifting member is arranged to tilt the seat frame relative to the chassis, an armrest assembly (19) pivotally coupled to the seat frame, and an armrest adjustment arrangement (17) comprising: a first force transmitting arrangement (21) having four pivot points (21-1, 21-4) defining the vertices of a first parallelogram, which first force transmitting arrangement (21) is pivotally coupled to the first arm (11) via a first pivot point (21-1) of the four pivot points defining the vertices of the first parallelogram, and pivotally coupled to the lifting member via a second pivot point of the four pivot points defining the vertices of the first parallelogram, and a second force transmitting arrangement (23) having fourType: ApplicationFiled: September 16, 2015Publication date: June 28, 2018Inventor: Häkan Bergman
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Patent number: 9452096Abstract: The present disclosure relates to a wheelchair (1) with tilt capabilities. The electric wheelchair comprises a chassis (3), a lift device having a base member which is fixedly arranged to the chassis, and a lifting member arranged to move rectilinearly relative to the base member along an axis defined by a longitudinal extension of the lifting member, a tilt frame, a first arm pivotally coupled to the lifting member and the tilt frame, and a second arm coupled to the base member, and which second arm is pivotally coupled to the first arm forming a pivot connection, wherein movement of the lifting member towards the extended position moves the pivot connection towards the base member and movement of the lifting member towards the retracted position moves the pivot connection away from the base member.Type: GrantFiled: July 10, 2014Date of Patent: September 27, 2016Assignee: PERMOBIL ABInventors: Jonas Jahkel, Goran Mansson, Stefan Nilzen, Johnny Nordin, Rune Stenstrom, Hakan Bergman, Magnus Andersson, Richard Ronngardh, Ake Melander, Bo Engman, Adam Karpinski, Corey Blauch, Lori Weaver, Mehdi Mirzaie
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Publication number: 20160270990Abstract: The present disclosure relates to a wheelchair (1) with tilt capabilities. The electric wheelchair comprises a chassis (3), a lift device having a base member which is fixedly arranged to the chassis, and a lifting member arranged to move rectilinearly relative to the base member along an axis defined by a longitudinal extension of the lifting member, a tilt frame, a first arm pivotally coupled to the lifting member and the tilt frame, and a second arm coupled to the base member, and which second arm is pivotally coupled to the first arm forming a pivot connection, wherein movement of the lifting member towards the extended position moves the pivot connection towards the base member and movement of the lifting member towards the retracted position moves the pivot connection away from the base member.Type: ApplicationFiled: June 2, 2016Publication date: September 22, 2016Inventors: Jonas Jahkel, Goran Mansson, Stefan Nilzen, Johnny Nordin, Rune Stenstrom, Hakan Bergman, Magnus Andersson, Richard Ronngardh, Ake Melander, Bo Engman, Adam Karpinski, Corey Blauch, Lori Weaver, Mehdi Mirzaie
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Publication number: 20150015043Abstract: The present disclosure relates to a wheelchair (1) with tilt capabilities. The electric wheelchair comprises a chassis (3), a lift device having a base member which is fixedly arranged to the chassis, and a lifting member arranged to move rectilinearly relative to the base member along an axis defined by a longitudinal extension of the lifting member, a tilt frame, a first arm pivotally coupled to the lifting member and the tilt frame, and a second arm coupled to the base member, and which second arm is pivotally coupled to the first arm forming a pivot connection, wherein movement of the lifting member towards the extended position moves the pivot connection towards the base member and movement of the lifting member towards the retracted position moves the pivot connection away from the base member.Type: ApplicationFiled: July 10, 2014Publication date: January 15, 2015Inventors: Jonas Jahkel, Goran Mansson, Stefan Nilzen, Johnny Nordin, Rune Stenstrom, Hakan Bergman, Magnus Andersson, Richard Ronngardh, Ake Melander, Bo Engman, Adam Karpinski, Corey Blauch, Lori Weaver, Mehdi Mirzaie
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Patent number: 8419130Abstract: The invention concerns a seat tilt apparatus (3) for an electric wheelchair, which wheelchair comprises a chassis (1) and a seat (2). The seat tilt apparatus comprises; a base member (11), which is fixable to the chassis and provided with at least one first guide slot (16); a seat supporting member (40) which is arranged to supportably receive the seat, movable in relation to the base member and guided by the first guide slot; and a linear drive means (17) which is connected to the base member and to the seat supporting member, for moving the seat supporting member along a motion path, in relation to the base member.Type: GrantFiled: September 30, 2010Date of Patent: April 16, 2013Assignee: Permobil ABInventor: Hakan Bergman
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Publication number: 20120080245Abstract: The invention concerns a seat tilt apparatus (3) for an electric wheelchair, which wheelchair comprises a chassis (1) and a seat (2). The seat tilt apparatus comprises; a base member (11), which is fixable to the chassis and provided with at least one first guide slot (16); a seat supporting member (40) which is arranged to supportably receive the seat, movable in relation to the base member and guided by the first guide slot; and a linear drive means (17) which is connected to the base member and to the seat supporting member, for moving the seat supporting member along a motion path, in relation to the base member.Type: ApplicationFiled: September 30, 2010Publication date: April 5, 2012Applicant: Permobil ABInventor: Hakan Bergman