Flex lumbar support
US-2015296989-A1 · Oct 22, 2015 · US
Dynamic chair back lumbar support system
US9504331B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9504331-B2 |
| Application number | US-201213557975-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 25, 2012 |
| Priority date | Mar 13, 2007 |
| Publication date | Nov 29, 2016 |
| Grant date | Nov 29, 2016 |
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- Title
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Abstract
Official abstract text for this publication.
A chair back according to embodiments of the present invention includes a rigid support member for reclinable attachment to a base, a flexible frame member having a flexible frame and a mesh, the mesh at least partially spanning the frame, and a seat attachment member moving in synchronization with the rigid support member at a different rate than the rigid support member during reclining of the rigid support member, wherein a first portion of the flexible frame member is affixed to the rigid support member, wherein a second portion of the flexible frame member flexes freely, wherein the seat attachment member contacts at least part of the second portion of the flexible frame member, wherein the first portion moves with the rigid support member and the second portion moves with the seat attachment member such that a curvature of the second portion increases as the rigid support member reclines.
First claim
Opening claim text (preview).
What is claimed is: 1. A chair with a chair back, the chair comprising: a chair base; a flexible frame member comprising a flexible frame and a mesh element, the mesh element at least partially spanning the flexible frame, and the flexible frame being comprised of an upper portion, an intermediate portion adapted to support a lumbar region of a user, and a lower portion; a plurality of resilient seat attachment members directly and fixedly coupled to the lower portion of the f…
Assignees
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Classifications
Human Necessities · mapped topic
- A47C7/14Primary
Human Necessities · mapped topic
- A47C1/03261Primary
Human Necessities · mapped topic
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Frequently asked questions
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- What does patent US9504331B2 cover?
- A chair back according to embodiments of the present invention includes a rigid support member for reclinable attachment to a base, a flexible frame member having a flexible frame and a mesh, the mesh at least partially spanning the frame, and a seat attachment member moving in synchronization with the rigid support member at a different rate than the rigid support member during reclining of th…
- Who is the assignee on this patent?
- Machael Jay R, Hahn Jesse, Susie Corey, and 6 more
- What technology area does this patent fall under?
- Primary CPC classification A47C7/14. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Nov 29 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).