Patents by Inventor Johan OHLSSON
Johan OHLSSON 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: 11933015Abstract: A loader vehicle includes a front unit and a rear unit pivotally connected to each other by an articulated joint arrangement allowing mutual rotation of the front unit and the rear unit. The loader vehicle includes a loading unit assembly and a control valve arrangement arranged to hydraulically control the loading unit assembly, wherein the control valve arrangement is arranged at a rear portion of the front unit in the vicinity of the articulated joint arrangement.Type: GrantFiled: January 22, 2016Date of Patent: March 19, 2024Assignee: VOLVO CONSTRUCTION EQUIPMENT ABInventors: Norbert Rosenpek, Johan Ohlsson
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Patent number: 10975548Abstract: A wheel loader front unit includes a frame for a wheel loader, the frame including an upper joint element and a lower joint element for connecting the frame to a rear unit of the wheel loader, and for transferring loads between the frame and the rear unit, the frame including a lift arm mounting point for a pivot connection of the frame and a lift arm for lifting an implement of the wheel loader. The upper and lower joint elements are arranged so that a first of the upper and lower joint elements, during use of the wheel loader, transfers a larger vertical load than a second of the upper and lower joint elements, and the lift arm mounting point is located closer to the first of the upper and lower joint elements than to the second of the upper and lower joint elements.Type: GrantFiled: March 24, 2016Date of Patent: April 13, 2021Assignee: Volvo Construction Equipment ABInventors: Johan Ohlsson, Norbert Rosenpek
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Patent number: 10815642Abstract: The invention provides a wheel loader front unit including a frame, the wheel loader front unit further including two hub supporting elements, each hub supporting element being arranged on opposite sides outside of the frame for supporting a respective hub unit, a lift arm for supporting an implement of the wheel loader, the lift arm being arranged to be pivoted around a pivot connection to the frame by a main hydraulic cylinder, and a tilting hydraulic cylinder arranged to actuate a tilting movement of the implement in relation to the lift arm, wherein the wheel loader front unit further includes a slave hydraulic cylinder hydraulically connected to the tilting hydraulic cylinder for controlling the tilting movement of the implement when the lift arm is pivoted by the main hydraulic cylinder, wherein the slave hydraulic cylinder extends between the lift arm and one of the hub supporting elements.Type: GrantFiled: March 24, 2016Date of Patent: October 27, 2020Assignee: Volvo Construction Equipment ABInventors: Johan Ohlsson, Norbert Rosenpek
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Publication number: 20190071843Abstract: A wheel loader front unit includes a frame for a wheel loader, the frame including an upper joint element and a lower joint element for connecting the frame to a rear unit of the wheel loader, and for transferring loads between the frame and the rear unit, the frame including a lift arm mounting point for a pivot connection of the frame and a lift arm for lifting an implement of the wheel loader. The upper and lower joint elements are arranged so that a first of the upper and lower joint elements, during use of the wheel loader, transfers a larger vertical load than a second of the upper and lower joint elements, and the lift arm mounting point is located closer to the first of the upper and lower joint elements than to the second of the upper and lower joint elements.Type: ApplicationFiled: March 24, 2016Publication date: March 7, 2019Applicant: VOLVO CONSTRUCTION EQUIPMENT ABInventors: Johan OHLSSON, Norbert ROSENPEK
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Publication number: 20190071844Abstract: The invention provides a wheel loader front unit including a frame, the wheel loader front unit further including two hub supporting elements, each hub supporting element being arranged on opposite sides outside of the frame for supporting a respective hub unit, a lift arm for supporting an implement of the wheel loader, the lift arm being arranged to be pivoted around a pivot connection to the frame by a main hydraulic cylinder, and a tilting hydraulic cylinder arranged to actuate a tilting movement of the implement in relation to the lift arm, wherein the wheel loader front unit further includes a slave hydraulic cylinder hydraulically connected to the tilting hydraulic cylinder for controlling the tilting movement of the implement when the lift arm is pivoted by the main hydraulic cylinder, wherein the slave hydraulic cylinder extends between the lift arm and one of the hub supporting elements.Type: ApplicationFiled: March 24, 2016Publication date: March 7, 2019Applicant: VOLVO CONSTRUCTION EQUIPMENT ABInventors: Johan OHLSSON, Norbert ROSENPEK
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Patent number: 8016329Abstract: A latch is disclosed that can releasably secure a door or panel in a closed position. The latch includes a rotary pawl, a pawl catch, an actuating member, a pivotally movable handle, and a gear train for moving the pawl to provide compression in response to the movement of the handle to the closed position.Type: GrantFiled: October 31, 2007Date of Patent: September 13, 2011Assignee: Southco, Inc.Inventors: Henrik Olov Johansson, Stephen M. Kozachyn, Joseph W. Jackson, Daniel James Kelly, III, Fall Lars Erik Johan Ohlsson, Daniel Andersson
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Publication number: 20080136194Abstract: A latch is disclosed that can releasably secure a door or panel in a closed position. The latch includes a rotary pawl, a pawl catch, an actuating member, a pivotally movable handle, and a gear train for moving the pawl to provide compression in response to the movement of the handle to the closed position.Type: ApplicationFiled: October 31, 2007Publication date: June 12, 2008Applicant: SOUTHCO, INC.Inventors: Henrik Olov Johansson, Stephen M. Kozachyn, Joseph W. Jackson, Daniel James Kelly, Fall Lars Erik Johan Ohlsson, Daniel Andersson