| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 297296000 | Back secured to resilient upright bar or rod | 6 |
| 20140265494 | SEAT BACK OF VEHICLE SEAT - A seat back of vehicle seat including: a seat back frame; a support wire element disposed in the seat back frame; a support plate attached to the support wire element such that an upper portion thereof projects upwardly from the support wire element; and a resilient reinforcing element provided to that upper portion of support wire element, thereby normally reinforcing such upper portion. The resilient reinforcing element has two upper end portions respectively slidably engaged with two brackets of the seat back frame and a main reinforcing portion which is resiliently extensible, while being resiliently deformable rearwardly of the seat back frame. Another resilient reinforcing element having a pair of reinforcing portions may be provided to a lower portion of the support wire element to normally reinforce such upper portion. Each of those two different reinforcing elements is resiliently deformable rearwardly by an excessive great load applied thereto. | 09-18-2014 |
| 297297000 | Bar or rod rigidly secured to bottom | 3 |
| 20090236890 | CHAIR - A chair has a seat | 09-24-2009 |
| 20140183915 | FLEXIBLE BACK SUPPORT MEMBER WITH INTEGRATED RECLINE STOP NOTCHES - A chair system according to embodiments of the present invention includes a base comprising a seat for a user and one or more support legs, a back, and a flexible back support element rigidly coupled to the back and to the base, the flexible back support element comprising a flex zone, the flex zone comprising one or more notches, wherein the back is reclinable from an upright position to a reclined position, wherein the one or more notches are configured to narrow as the back reclines from the upright position to the reclined position, and wherein the one or more notches are open in the upright position and closed in the reclined position. | 07-03-2014 |
| 20170231391 | CHAIR, IN PARTICULAR OFFICE CHAIR | 08-17-2017 |
| 297298000 | Bar or rod operatively adjustable with respect to bottom | 2 |
| 20100244521 | CHAIR - A chair includes a seat | 09-30-2010 |
| 20150289660 | FLEXIBLE TILT ADJUSTMENT DEVICE FOR A CHAIR BACK - The adjustment device includes a seat connected to a back by a first rod and an elasticity set. The elasticity has a base connected to the first rod. A pressing rod is connected to the base. A first spring is passed through by the pressing rod and stopped by the base. A pushing block is connected to the pressing rod and the first spring. A rotating rod passes through the seat. Two pressing blocks with a threaded hole are passed by the rotating rod and separately screwed with the rotating rod. Two second springs are passed through by the rotating rod and nipped between the pressing blocks and the edge plates. | 10-15-2015 |
