Patents by Inventor Martin Elonsson
Martin Elonsson 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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Publication number: 20230345868Abstract: A skid plate for a robotic lawnmower, comprises an approximately circular plate with a central opening (13), for a hub (6b), and means of attachment (14, 15). The skid plate (2b) is attachable to the robotic lawnmower. An edge portion (7) of the circular plate is bent to extend transversally to a main plane (8) of the circular plate. An outer peripheral edge (11) thereof extends in a single plane. A robotic lawn mower comprises an electric motor connected to a rotatable cutting head (1b). The cutting head is connected to a cutting disk (3b) with at least one knife (4b) at its periphery. A skid plate (2b) as above is arranged below the cutting disk (3b).Type: ApplicationFiled: May 2, 2023Publication date: November 2, 2023Inventors: Martin Elonsson, Ronny Olsen, Svante Larsson, Peter Ahlin, Markus Petersson
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Patent number: 10440879Abstract: A robotic work tool system (200) comprising a robotic work tool (100), said robotic work tool (100) comprising a chassis (140B) and a body (140A) and at least one support pillar (310) arranged on one of the chassis (140B) and the body (140A) and a corresponding support surface (320) arranged on the other of the chassis (140B) and the body (140A), wherein the support pillar substantially bridges a distance between the chassis (140B) and the body (140A) thereby impairing any roll or tilt of the body (140A) relative the chassis (140B).Type: GrantFiled: April 25, 2014Date of Patent: October 15, 2019Assignee: HUSQVARNA ABInventors: Jonathan Björn, Martin Elonsson
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Patent number: 10207557Abstract: A robotic work tool system may include a robotic work tool. The robotic work tool may include two front wheels and a chassis. The robotic work tool is characterized in that the two front wheels are arranged on a beam axle that is pivotably arranged to the chassis.Type: GrantFiled: June 19, 2014Date of Patent: February 19, 2019Assignee: HUSQVARNA ABInventors: Jonathan Björn, Martin Elonsson, Anders Sjögren
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Publication number: 20170129297Abstract: A robotic work tool system (200) comprising a robotic work tool (100), said robotic work tool (100) comprising two front wheels (130) and a chassis (140), wherein said robotic work tool is characterized in that the two front wheels (130) are arranged on a beam axle (145) being pivotably arranged to the chassis (140).Type: ApplicationFiled: June 19, 2014Publication date: May 11, 2017Inventors: Jonathan Björn, Martin Elonsson, Anders Sjögren
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Publication number: 20170042085Abstract: A robotic work tool system (200) comprising a robotic work tool (100), said robotic work tool (100) comprising a chassis (140B) and a body (140A) and at least one support pillar (310) arranged on one of the chassis (140B) and the body (140A) and a corresponding support surface (320) arranged on the other of the chassis (140B) and the body (140A), wherein the support pillar substantially bridges a distance between the chassis (140B) and the body (140A) thereby impairing any roll or tilt of the body (140A) relative the chassis (140B).Type: ApplicationFiled: April 25, 2014Publication date: February 16, 2017Inventors: Jonathan BJÖRN, Martin Elonsson
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Patent number: 9543680Abstract: A contact assembly of a robotic garden tool charging device 10 . The contact assembly 100 is arranged to engage a contact element 200 of a robotic garden tool 20 for a charging operation. The contact assembly 100 comprises a contact member 110 having a plurality of connection points 121 , arranged to provide a plurality of points of contact 30 between the contact member 110 and the contact element 200 . The contact member is configured to be pivotably and translatably connected to a body portion 11 of the charging device 10 . The contact assembly 100 comprises a biasing member 140 arranged to interconnect the contact member 110 and the body portion 11, so as to bias the contact member 110 towards the contact element 200 during the charging operation.Type: GrantFiled: December 30, 2011Date of Patent: January 10, 2017Assignee: HUSQVARNA ABInventor: Martin Elonsson
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Patent number: 9357699Abstract: A robotic mower includes a chassis, a cutting motor driving at least one cutting blade, and a height adjustment assembly. The cutting motor is mounted on a motor bracket. The motor bracket provides structural support for the cutting motor at an adjustable level relative to the chassis. The height adjustment assembly includes a biasing element, a screw engagement nut, and a height adjustment screw. The screw engagement nut is operably coupled to the motor bracket to enable adjustment of a height of the motor bracket via rotation of the height adjustment screw. The height adjustment screw rotates to translate the screw engagement nut vertically along the height adjustment screw based on an engagement of teeth on the screw engagement nut with threads of the height adjustment screw. The teeth of the screw engagement nut are urged toward the threads of the height adjustment screw via the biasing element.Type: GrantFiled: July 4, 2012Date of Patent: June 7, 2016Assignee: HUSQVARNA ABInventor: Martin Elonsson
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Patent number: 9232692Abstract: A lift detection arrangement (100, 200) in a robotic lawnmower for detecting a lift of a body (110, 210) relative a chassis (105, 205) of the robotic lawnmower is provided. The lift detection arrangement (100, 200) comprises a connection between the chassis (105, 205) and the body (110, 220). The connection comprises a joystick element (115, 215) 5 arranged to allow a displacement of the body (1110, 210) relative the chassis (105, 205) in a collision plane during a collision, and a lift element (120, 220) arranged to provide a flexibility between the chassis (105, 205) and the body (110, 210) in a lift direction during the lift. The lift detection arrangement (100, 200) further comprises a lift sensor configured to detect a displacement over a predetermined threshold of the lift element (120, 220) 10 during the lift by detecting a change in spacing between two sensor parts (125, 126, 225, 226).Type: GrantFiled: February 22, 2012Date of Patent: January 12, 2016Assignee: HUSQVARNA ABInventors: Jonathan Björn, Martin Elonsson
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Publication number: 20150181805Abstract: A robotic mower may include a chassis, a cutting motor driving at least one cutting blade, and a height adjustment assembly. The cutting motor may be mounted on a motor bracket. The motor bracket may provide structural support for the cutting motor at an adjustable level relative to the chassis. The height adjustment assembly may include a biasing element, a screw engagement nut, and a height adjustment screw. The screw engagement nut may be operably coupled to the motor bracket to enable adjustment of a height of the motor bracket via rotation of the height adjustment screw. The height adjustment screw may rotate to translate the screw engagement nut vertically along the height adjustment screw based on an engagement of teeth on the screw engagement nut with threads of the height adjustment screw. The teeth of the screw engagement nut may be urged toward the threads of the height adjustment screw via the biasing element.Type: ApplicationFiled: July 4, 2012Publication date: July 2, 2015Applicant: Husqvarna ABInventor: Martin Elonsson
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Publication number: 20140373497Abstract: A lift detection arrangement (100, 200) in a robotic lawnmower for detecting a lift of a body (110, 210) relative a chassis (105, 205) of the robotic lawnmower is provided. The lift detection arrangement (100, 200) comprises a connection between the chassis (105, 205) and the body (110, 220). The connection comprises a joystick element (115, 215) 5 arranged to allow a displacement of the body (1110, 210) relative the chassis (105, 205) in a collision plane during a collision, and a lift element (120, 220) arranged to provide a flexibility between the chassis (105, 205) and the body (110, 210) in a lift direction during the lift. The lift detection arrangement (100, 200) further comprises a lift sensor configured to detect a displacement over a predetermined threshold of the lift element (120, 220) 10 during the lift by detecting a change in spacing between two sensor parts (125, 126, 225, 226).Type: ApplicationFiled: February 22, 2012Publication date: December 25, 2014Applicant: HUSQVARNA ABInventors: Jonathan Björn, Martin Elonsson
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Publication number: 20140327389Abstract: A contact assembly of a robotic garden tool charging device 10. The contact assembly 100 is arranged to engage a contact element 200 of a robotic garden tool 20 for a charging operation. The contact assembly 100 comprises a contact member 110 having a plurality of connection points 121, arranged to provide a plurality of points of contact 30 between the contact member 110 and the contact element 200. The contact member is configured to be pivotably and translatably connected to a body portion 11 of the charging device 10. The contact assembly 100 comprises a biasing member 140 arranged to interconnect the contact member 110 and the body portion 11, so as to bias the contact member 110 towards the contact element 200 during the charging operation.Type: ApplicationFiled: December 30, 2011Publication date: November 6, 2014Applicant: Husqvama ABInventor: Martin Elonsson
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Patent number: 8579173Abstract: A stapler (1) by which a workpiece (11), preferably a sheaf of papers, is stapled together with a staple, which stapler (5) comprises a stapling head (2) accommodating staples and a driver (6) and connected pivotably by a pivot pin (4) to a bottom part (3) which comprises a lower element (9) and an upper element (8) which are connected to one another in such a way that they can be moved towards and away from one another (P) and which in an initial state are held in a locking position at a distance from one another by a locking device (17), with forming means (14, 15) arranged between the upper and lower elements, which forming means, when the staple has been fully driven into the workpiece at its insertion area (26) by the driver, are activated to bend the staple legs towards the workpiece as a result of the upper and lower elements moving towards one another when the locking device is released by an activating means (22) which is part of the locking device (17) being acted upon by an unlocking means (7) dispType: GrantFiled: December 11, 2007Date of Patent: November 12, 2013Assignee: Isaberg Rapid ABInventors: Trygve Gustafsson, Martin Elonsson, Torbjörn Lönkvist
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Patent number: 8157144Abstract: A stapler has a drive train that drives a stapling head toward a base part in a driving stroke and away from the base part in a return stroke. To accommodate thick workpieces to be stapled, without jamming, the drive train includes a coupling constructed so that its effective connection between coupled parts is releasable and so that it loses its effective connection during the driving stroke to prevent jamming.Type: GrantFiled: June 7, 2005Date of Patent: April 17, 2012Assignee: Isaberg Rapid ABInventors: Mats Andersson, Mattias Palmquist, Trygve Gustafsson, Per-Áke Högberg, Martin Elonsson
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Publication number: 20100133315Abstract: A stapler (1) by which a workpiece (11), preferably a sheaf of papers, is stapled together with a staple, which stapler (5) comprises a stapling head (2) accommodating staples and a driver (6) and connected pivotably by a pivot pin (4) to a bottom part (3) which comprises a lower element (9) and an upper element (8) which are connected to one another in such a way that they can be moved towards and away from one another (P) and which in an initial state are held in a locking position at a distance from one another by a locking device (17), with forming means (14, 15) arranged between the upper and lower elements, which forming means, when the staple has been fully driven into the workpiece at its insertion area (26) by the driver, are activated to bend the staple legs towards the workpiece as a result of the upper and lower elements moving towards one another when the locking device is released by an activating means (22) which is part of the locking device (17) being acted upon by an unlocking means (7) dispType: ApplicationFiled: December 11, 2007Publication date: June 3, 2010Inventors: Trygve Gustafsson, Martin Elonsson, Torbjörn Lönkvist
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Publication number: 20070241162Abstract: A stapler (1) for stapling a workpiece (5), especially a sheaf of papers, which stapler comprises a base part (2) and a stapling head (3) which are connected together by a connecting means (4) in such a way that they can move towards and away from one another in a reciprocating stapling movement (P) which has a first turning point (FIG. 1) and a second turning point (FIG. 3), which stapling head accommodates staples (14) and a driver (7) which is supported for sliding in the direction of the stapling movement and which during the course of the stapling movement drives a staple into the workpiece which is to be stapled, and said stapler also comprises a drive means (13) which, in the course of a driving stroke (N) which forms part of the stapling movement, starting from a point at which the stapling head and the base part are at a distance from one another, drives the stapling head and the base part towards one another to the second turning point (FIG.Type: ApplicationFiled: June 7, 2005Publication date: October 18, 2007Inventors: Mats Andersson, Mattias Palmquist, Trygve Gustafsson, Per-Ake Hogberg, Martin Elonsson
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Patent number: 7195141Abstract: A stapler has a base section and a stapling unit. The stapling unit is pivotally attached to the base section, and the base section is pivotally attached to a baseplate. In an initial position, the base section is fixed relative to the baseplate through a releasable locking mechanism connected to the baseplate and a base section. The base section has pivoting bending arms in an area underneath a support surface for a workpiece to be stapled. When a driver has driven a staple into the workpiece to a position in which the crown of the staple is in contact with the workpiece, the locking mechanism is released, and the base section pivots and is tilted against the baseplate, causing the bending arms to pivot so that the legs of the staple are bent into a position against the workpiece. A cutting pad disposed in an area between the bending arms interacts with the bending arms to cut off excess length of the staple legs.Type: GrantFiled: February 13, 2006Date of Patent: March 27, 2007Assignee: Isaberg Rapid ABInventors: Martin Elonsson, Peter Johansson
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Publication number: 20060124687Abstract: A stapler has a base section and a stapling unit. The stapling unit is pivotally attached to the base section, and the base section is pivotally attached to a baseplate. In an initial position, the base section is fixed relative to the baseplate through a releasable locking mechanism connected to the baseplate and a base section. The base section has pivoting bending arms in an area underneath a support surface for a workpiece to be stapled. When a driver has driven a staple into the workpiece to a position in which the crown of the staple is in contact with the workpiece, the locking mechanism is released, and the base section pivots and is tilted against the baseplate, causing the bending arms to pivot so that the legs of the staple are bent into a position against the workpiece. A cutting pad disposed in an area between the bending arms interacts with the bending arms to cut off excess length of the staple legs.Type: ApplicationFiled: February 13, 2006Publication date: June 15, 2006Inventors: Martin Elonsson, Peter Johansson
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Patent number: 7021515Abstract: A stapler has a base section and a stapling unit. The stapling unit is pivotally attached to the base section, and the base section is pivotally attached to a baseplate. In an initial position, the base section is fixed relative to the baseplate through a releasable locking mechanism connected to the baseplate and the base section. The base section has pivoting bending arms in an area underneath a support surface for a workpiece to be stapled. When a driver has driven a staple into the workpiece to a position in which the crown of the staple is in contact with the workpiece, the locking mechanism is released, and the base section pivots and is tilted against the baseplate, causing the bending arms to pivot so that the legs of the staple are bent into a position against the workpiece. A cutting pad disposed in an area between the bending arms interacts with the bending arms to cut off excess length of the staple legs.Type: GrantFiled: December 4, 2002Date of Patent: April 4, 2006Assignee: Isaberg Rapid ABInventors: Martin Elonsson, Peter Johansson
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Publication number: 20040262363Abstract: Stapler (1) designed for stapling together a workpiece (8), primarily a sheaf of papers. The stapler comprises a base section (2) provided with a support surface (6) with an open slot (7), on which support surface the workpiece to be stapled is placed. A stapling unit (4) is attached to the base section in a pivoting manner by a first pivot shaft (10) and houses a magazine, in which staples (11) are stored, and a driver (12), which serves to drive staples individually into the workpiece to be stapled. In the driving action, the stapling unit is pressed into contact with the workpiece and the driver acts to drive the staple into the workpiece to a bottom position, in which the crown (52) of the staple is in contact with the workpiece and the legs (53, 54) of the staple extend through the workpiece and the slot in the support surface.Type: ApplicationFiled: May 20, 2004Publication date: December 30, 2004Inventors: Martin Elonsson, Peter Johansson