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Class Information
Number: 297/344.21
Name: Chairs and seats > Movable bottom > Bottom and back movable as a unit > About vertical axis; i.e., rotates
Description: Device wherein the unit includes structure which permits the unit to rotate in a substantially horizontal plane about an axis normal to said plane.










Sub-classes under this class:

Class Number Class Name Patents
297/344.25 Back tilted to permit seat rotation 3
297/344.24 Having additional movement in horizontal plane 85
297/344.26 Including antifriction feature (e.g., ball bearings, etc.) 92
297/344.22 Including means to lock unit at distinct rotated positions 124


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8690221 Working vehicle Apr. 8, 2014
8662587 Lower tip-slide mechanism Mar. 4, 2014
8646841 Seat with a non-vertical central supporting column and tri-planar moveable base Feb. 11, 2014
8641144 Swiveling chair with electrical pass-through Feb. 4, 2014
8585146 Aircraft seat Nov. 19, 2013
8556349 Infant support structure Oct. 15, 2013
8544809 Method and apparatus for swivel device Oct. 1, 2013
8528975 Drive device for a motor vehicle swivel seat Sep. 10, 2013
8480173 Auxiliary moving device Jul. 9, 2013
8419132 Swing chair Apr. 16, 2013
8408651 Motor vehicle seat with an adjusting device Apr. 2, 2013
8398143 Multi-configured double stroller apparatus and method of using same Mar. 19, 2013
8360368 Space vehicle seat and space vehicle provided with this seat Jan. 29, 2013
8210613 Swivel seat with adjustable swivel resistance Jul. 3, 2012
8182016 Swivel seating system May. 22, 2012
8167374 Portable folding chair May. 1, 2012
8146992 Turret seat Apr. 3, 2012
8146993 Rotatable seat assembly Apr. 3, 2012
8075056 Support element for seating furniture Dec. 13, 2011
8078364 Vehicle seat apparatus Dec. 13, 2011
8061675 Vehicle seat rotation apparatus Nov. 22, 2011
8056980 Vehicle seat and split console assembly Nov. 15, 2011
8016350 Vehicle seat for reducing the risk of spinal and head injuries of personnel in combat vehicles Sep. 13, 2011
7997644 Gliding-reclining seating unit with power actuator Aug. 16, 2011
7984946 Automotive vehicle safety seat Jul. 26, 2011
7950740 Seat swivel with brake for infinite rotational position adjustment May. 31, 2011
7950492 Wiper control arrangement May. 31, 2011
7950673 Stair chair May. 31, 2011
7934763 Vehicle seat apparatus May. 3, 2011
7891629 Rotatable chair support Feb. 22, 2011
7866751 Apparatus and methods to integrally form lever operated cables with vehicle seats Jan. 11, 2011
7784581 Machine control interlocks for an electrohydraulically controlled vehicle Aug. 31, 2010
7758007 Support for a rotatable commercial vehicle seating and operating unit Jul. 20, 2010
7753444 Child seat Jul. 13, 2010
7654616 Chair having integrally formed back frame and seat frame Feb. 2, 2010
7597397 Swivel rocker assembly Oct. 6, 2009
7575276 360 degree pivotal vehicle child seat and associated method Aug. 18, 2009
7533930 Convertible aircraft passenger seat and method May. 19, 2009
7472958 Seat swiveling device of a vehicle Jan. 6, 2009
7448665 Pivot and stow seating Nov. 11, 2008
7416197 Personal recreational vehicle with rotatable seat Aug. 26, 2008
7401856 Seating device Jul. 22, 2008
7399035 Seat for vehicle Jul. 15, 2008
7364183 Seat rotating device for baby strollers Apr. 29, 2008
7350866 Seat repositioning device with release on control handle Apr. 1, 2008
7328952 Detachable swivel apparatus for a beach chair Feb. 12, 2008
7325875 Beach chair Feb. 5, 2008
7309095 Seat assembly with a release system Dec. 18, 2007
7234781 Anchoring fixture for stools capable of adjusting elevation Jun. 26, 2007
7219961 Pivoting seat May. 22, 2007

1 2 3 4










 
 
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