Patents by Inventor Carsten Gehner
Carsten Gehner 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: 9713380Abstract: A chair includes a deformable seat shell forming a seat part and a backrest, and further includes a frame, the seat part being connected to the frame by means of a first pivot joint and the backrest being connected to the frame by means of a second pivot joint, the pivot joints allowing a twisting of the seat part and of the backrest relative to the frame caused by a deformation of the seat shell. The second pivot joint is connected to the backrest centrally in relation to the transverse direction of the chair.Type: GrantFiled: March 11, 2015Date of Patent: July 25, 2017Assignee: Wilkhahn Wilkening + Hahne GmbH + Co.Inventors: Carsten Gehner, Michael Englisch
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Patent number: 9700138Abstract: A seating furniture product, with a support surface unit which forms a seat part and a backrest connected directly to the seat part, and with a frame, wherein the seat part is connected to the frame by means of a swivel joint allowing a rotation about a swivel axis aligned transversely to the seating furniture product and the backrest is connected to the frame by a fastening point, is characterized in that the distance between the fastening point and the swivel joint can be changed in terms of the vertical direction of the seating furniture product, such that changing this distance is accompanied by a change in the inclination alignment of the seat part.Type: GrantFiled: February 12, 2016Date of Patent: July 11, 2017Assignee: Wilkhahn Wilkening + Hahne GmbH + Co.Inventors: Andreas Rechtien, Detlef Trutwig, Carsten Gehner
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Patent number: 9504330Abstract: A chair includes a seat and a seat mechanism, the seat being coupled to the seat mechanism in such a manner that the seat is, in a front end region, pivotably supported about a first axis of rotation orientated parallel with the axis of a user's knees. In its front end region, the seat is also supported on the seat mechanism so as to be rotatable about a second axis of rotation orientated perpendicularly to the first axis of rotation.Type: GrantFiled: February 21, 2012Date of Patent: November 29, 2016Assignee: Wilkhahn Wilkening + Hahne GmbH + Co. KGInventors: Carsten Gehner, Heiko Büttner
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Publication number: 20160235203Abstract: A seating furniture product, with a support surface unit which forms a seat part and a backrest connected directly to the seat part, and with a frame, wherein the seat part is connected to the frame by means of a swivel joint allowing a rotation about a swivel axis aligned transversely to the seating furniture product and the backrest is connected to the frame by a fastening point, is characterised in that the distance between the fastening point and the swivel joint can be changed in terms of the vertical direction of the seating furniture product, such that changing this distance is accompanied by a change in the inclination alignment of the seat part.Type: ApplicationFiled: February 12, 2016Publication date: August 18, 2016Inventors: Andreas Rechtien, Detlef Trutwig, Carsten Gehner
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Publication number: 20160095442Abstract: A combination of a seat and a portable device including at least one movement sensor and an evaluation device is characterized by the movement sensor automatically identifying movements of a person on the seat, or movements of the seat, and the evaluation device establishing from the identified movements a seat movement profile and/or control commands for a computer.Type: ApplicationFiled: October 2, 2015Publication date: April 7, 2016Inventor: Carsten Gehner
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Publication number: 20150265052Abstract: A chair includes a deformable seat shell forming a seat part and a backrest, and further includes a frame, the seat part being connected to the frame by means of a first pivot joint and the backrest being connected to the frame by means of a second pivot joint, the pivot joints allowing a twisting of the seat part and of the backrest relative to the frame caused by a deformation of the seat shell. The second pivot joint is connected to the backrest centrally in relation to the transverse direction of the chair.Type: ApplicationFiled: March 11, 2015Publication date: September 24, 2015Inventors: Carsten Gehner, Michael Englisch
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Publication number: 20120256458Abstract: The chair according to the invention has a seat and a seat mechanism, the seat being coupled to the seat mechanism in such a manner that the seat is, in a front end region, pivotably supported about a first axis of rotation which is orientated parallel with the axis of a user's knees. In addition, in its front end region, the seat is also supported on the seat mechanism so as to be rotatable about a second axis of rotation orientated perpendicularly to the first axis of rotation.Type: ApplicationFiled: February 21, 2012Publication date: October 11, 2012Inventors: Carsten Gehner, Heiko Büttner
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Patent number: 8025335Abstract: The invention relates to a chair with a seat, a base support and a backrest, wherein the seat is pivotably mounted on the base support and the backrest is pivotably mounted on the seat, and a first spring system is provided between the base support and the seat and a second spring system is provided between the seat and the backrest. Furthermore, means are provided for adjusting the spring behavior of the two spring systems so that the pivotability of the seat in relation to the base support and the pivotability of the backrest in relation to the seat can be adapted to different requirements, especially to users of different weights.Type: GrantFiled: February 2, 2010Date of Patent: September 27, 2011Assignee: Wilkhahn Wilkening + Hahne GmbH + Co. KGInventor: Carsten Gehner
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Patent number: 7770973Abstract: The invention relates to a chair with a seat, a base support and a backrest, wherein the seat is mounted on the base support so as to be pivotable about a first pivoting axis and the backrest is mounted on the seat so as to be pivotable about a second pivoting axis. The two pivoting axes are arranged so as to be displaceable relative to one another in order to be able to change the seat depth.Type: GrantFiled: May 18, 2007Date of Patent: August 10, 2010Assignee: Wilkhahn Wilkening + Hahne GmbH + Co. KGInventors: Carsten Gehner, Michael Englisch
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Publication number: 20100133884Abstract: The invention relates to a chair with a seat, a base support and a backrest, wherein the seat is pivotably mounted on the base support and the backrest is pivotably mounted on the seat, and a first spring system is provided between the base support and the seat and a second spring system is provided between the seat and the backrest. Furthermore, means are provided for adjusting the spring behavior of the two spring systems so that the pivotability of the seat in relation to the base support and the pivotability of the backrest in relation to the seat can be adapted to different requirements, especially to users of different weights.Type: ApplicationFiled: February 2, 2010Publication date: June 3, 2010Inventor: Carsten GEHNER
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Patent number: 7637570Abstract: The chair according to the invention has a seat and a seat mechanism, wherein the seat and the seat mechanism are formed so that, during the sideways pivoting movement of the seat, the one side of the seat is movable independently of the other side of the seat, wherein the seat is mounted so as to be pivotable about a pivoting or rotation axis lying parallel to the knee axis of the user.Type: GrantFiled: January 16, 2008Date of Patent: December 29, 2009Assignee: Wilkhahn Wilkening + Hahne GmbH + Co.Inventors: Erich Becker, Heiko Buettner, Carsten Gehner
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Publication number: 20080169693Abstract: The chair according to the invention has a seat and a seat mechanism, wherein the seat and the seat mechanism are formed so that, during the sideways pivoting movement of the seat, the one side of the seat is movable independently of the other side of the seat, wherein the seat is mounted so as to be pivotable about a pivoting or rotation axis lying parallel to the knee axis of the user.Type: ApplicationFiled: January 16, 2008Publication date: July 17, 2008Inventors: Erich BECKER, Heiko Buettner, Carsten Gehner
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Publication number: 20070273189Abstract: The invention relates to a chair with a seat, a base support and a backrest, wherein the seat is mounted on the base support so as to be pivotable about a first pivoting axis and the backrest is mounted on the seat so as to be pivotable about a second pivoting axis. The two pivoting axes are arranged so as to be displaceable relative to one another in order to be able to change the seat depth.Type: ApplicationFiled: May 18, 2007Publication date: November 29, 2007Inventors: Carsten Gehner, Michael Englisch
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Publication number: 20070273190Abstract: The invention relates to a chair with a seat, a base support and a backrest, wherein the seat is pivotably mounted on the base support and the backrest is pivotably mounted on the seat, and a first spring system is provided between the base support and the seat and a second spring system is provided between the seat and the backrest. Furthermore, means are provided for adjusting the spring behaviour of the two spring systems so that the pivotability of the seat in relation to the base support and the pivotability of the backrest in relation to the seat can be adapted to different requirements, especially to users of different weights.Type: ApplicationFiled: May 18, 2007Publication date: November 29, 2007Inventor: Carsten Gehner