Patents by Inventor Johan Hallendorff
Johan Hallendorff 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: 11186007Abstract: A chainsaw (100) includes a power unit, a bar (120), a chain (122) operably coupled to the bar (120) to rotate around the bar (120) responsive to drive power from the power unit, an oil pump operably coupled to the power unit to deliver oil to the chain (122), and an oil 420 reservoir (400) configured to hold oil for delivery to the chain (122) via the oil pump. The oil reservoir (400) may include a main chamber (410) to receive the oil and an air chamber (420). The air chamber (420) may be formed adjacent to and distinct from the main chamber (410). The air chamber (420) is configured to define a space for an air pocket.Type: GrantFiled: October 31, 2013Date of Patent: November 30, 2021Assignee: Husqvarna ABInventors: Johan Hallendorff, Joakim Persson, Jonas Ingemarsson, Jonatan Gunér
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Patent number: 11135665Abstract: A handheld power tool (100) comprising at least one orientation sensor (150) is provided. The handheld power tool (100) is operatively connected to a controller (160; 210) and said controller (160; 210) is configured to receive orientation data from the at least one orientation sensor (150), wherein the orientation data comprises information associated with an orientation of at least a portion of the handheld power tool (100) and to determine operational data based on the orientation data, said operational data representing work performed using the handheld power tool (100). The operational data is determined by determining the orientation of the power tool based on the received orientation data from the at least one orientation sensor (150).Type: GrantFiled: March 29, 2017Date of Patent: October 5, 2021Assignee: HUSQVARNA ABInventors: Pär Martinsson, Johan Hallendorff, Tomas Wykman
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Patent number: 10918015Abstract: A trimmer head arranged to be driven to rotate a trimmer line, where the trimmer head includes a housing and an inner body connected to a trimmer line spool. The inner body is arranged to be movable relative the housing so that a trimmer line spooled around the trimmer line spool is released and pulled out by a centrifugal force caused by the rotation of the trimmer head, thereby allowing feed of the trimmer line. The trimmer further includes drive means for driving the trimmer head to rotate, and the trimmer is arranged to cause a relative movement of the inner body relative the housing by changing the rotation speed of the trimmer head.Type: GrantFiled: October 6, 2016Date of Patent: February 16, 2021Assignee: HUSQVARNA ABInventors: Johan Hallendorff, Tomas Wykman, Stefan Kullberg, Rickard Skogward
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Publication number: 20190061028Abstract: A handheld power tool (100) comprising at least one orientation sensor (150) is provided. The handheld power tool (100) is operatively connected to a controller (160; 210) and said controller (160; 210) is configured to receive orientation data from the at least one orientation sensor (150), wherein the orientation data comprises information associated with an orientation of at least a portion of the handheld power tool (100) and to determine operational data based on the orientation data, said operational data representing work performed using the handheld power tool (100). The operational data is determined by determining the orientation of the power tool based on the received orientation data from the at least one orientation sensor (150).Type: ApplicationFiled: March 29, 2017Publication date: February 28, 2019Inventors: Pär Martinsson, Johan Hallendorff, Tomas Wykman
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Publication number: 20180271010Abstract: A trimmer head (1) arranged to be driven to rotate a trimmer line (3), wherein the trimmer head comprises a housing (1a, 1b) and an inner body (1c) connected to a trimmer line spool (13, 39), the trimmer head being characterized in that the inner body is arranged to be movable relative the housing so that a trimmer line spooled around the trimmer line spool is released and to be pulled out by a centrifugal force caused by the rotation of the trimmer head, thereby allowing feed of the trimmer line. A trimmer (10) comprising a trimmer head according to above, wherein the trimmer further comprises drive means (2, 4) for driving the trimmer head to rotate and wherein the trimmer is arranged to cause a relative movement of the inner body relative the housing by changing the rotation speed of the trimmer head.Type: ApplicationFiled: October 6, 2016Publication date: September 27, 2018Inventors: Johan Hallendorff, Tomas Wykman, Stefan Kullberg, Rickard Skogward
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Publication number: 20160106280Abstract: A vacuum attachment (1) for a blower (2), comprising: an input air channel (3) having an air inlet (4); and a through channel (5) from a vacuum inlet (6) to an outlet (7), in which the input air channel (3) terminates in a port (8) in the through channel (5), in which the port (8) is positioned so as to direct air flowing from the input air channel (3) in a direction through the through channel (5) away from the vacuum inlet (6), in which the air inlet (4) has a mounting surface (9) on which can be mounted an air outlet (10) of the blower (2) in a releasable and re-engagable manner. Thus, with a blower (2) connected to the air inlet (4), an airflow introduced at the air inlet (4) will cause an airflow from the vacuum inlet (6) to the outlet (7), entraining debris with the airflow.Type: ApplicationFiled: April 22, 2013Publication date: April 21, 2016Inventors: Johan Hallendorff, Lucas Lund, Christoph Schiedt
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Publication number: 20150336288Abstract: A chainsaw (100) includes a power unit, a bar (120), a chain (122) operably coupled to the bar (120) to rotate around the bar (120) responsive to drive power from the power unit, an oil pump operably coupled to the power unit to deliver oil to the chain (122), an oil reservoir (150, 300, 400) and a cap (152, 200, 420). The oil reservoir (300) is configured to hold oil for delivery from the oil pump to the chain (122) and includes a fill opening (310) having a substantially circular shaped orifice in a portion of the oil reservoir (150, 300, 400). The oil cap (152, 200, 420) is configured to be securable into the fill opening (310) responsive to engagement between the oil cap (152, 200, 420) and the fill opening (310). The fill opening (310) defines an axial sealing surface (330, 460) and a radial sealing surface (340, 450). The axial sealing surface (330, 460) defines a continuous surface extending around a periphery of the fill opening (310).Type: ApplicationFiled: November 28, 2012Publication date: November 26, 2015Inventors: Johan Hallendorff, Joakim Persson, Jonas Ingemarsson, Jonatan Gunér
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Publication number: 20150298344Abstract: A chainsaw (100) includes a power unit, a bar (120), a chain (122) operably coupled to the bar (120) to rotate around the bar (120) responsive to drive power from the power unit, an oil pump operably coupled to the power unit to deliver oil to the chain (122), and an oil reservoir (400) configured to hold oil for delivery to the chain (122) via the oil pump. The oil reservoir (400) may include a main chamber (410) to receive the oil and an air chamber (420). The air chamber (420) may be formed adjacent to and distinct from the main chamber (410). The air chamber (420) is configured to define a space for an air pocket.Type: ApplicationFiled: October 31, 2013Publication date: October 22, 2015Inventors: Johan Hallendorff, Joakim Persson, Jonas Ingemarsson, Jonatan Gunér
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Publication number: 20130161047Abstract: A handle arrangement (112) for a power driven hand tool (100). The power driven hand tool (100) includes a main housing (102) arranged at a first end of a guide tube (104). The power driven hand tool (100) also includes a working member arranged at a second end of the guide tube (104). The handle arrangement (112) includes a grip member (114) for user control of the power driven hand tool (100). The handle arrangement (112) is rotatably arranged to the guide tube (104) for rotation in relation to the main housing (102) and to the guide tube (104).Type: ApplicationFiled: September 13, 2010Publication date: June 27, 2013Applicant: HUSQVARNA ABInventor: Johan Hallendorff