| Chair with recline control mechanism, recline limit control and back tilt mechanism -> Monitor Keywords |
|
|
 
Chair with recline control mechanism, recline limit control and back tilt mechanismChair with recline control mechanism, recline limit control and back tilt mechanism description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20060284461, Chair with recline control mechanism, recline limit control and back tilt mechanism. Brief Patent Description - Full Patent Description - Patent Application Claims
BACKGROUND OF THE INVENTION CROSS REFERENCE TO RELATED APPLICATIONS [0001] Not applicable. STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0002] Not applicable. [0003] 1. Field of the Invention [0004] The present invention relates to a chair with a reclining back assembly and, more particularly, to a chair that includes a more efficient mechanism for adjusting resistance to the recline of a chair back assembly, a simple apparatus for limiting the angle of recline and a tilt mechanism that results in a more comfortable passive tilt adjustment of a chair back in various chair recline positions. [0005] 2. Description of the Related Art [0006] Reclinable office chairs are ubiquitous and appear in many different styles and designs and with many different functions. Most, if not all, include some mechanism to resist a reclining back. See for example, U.S. Pat. No. 6,053,574 which includes movable springs. Some chairs also include adjustable stops to control the angle of recline. See for example, U.S. Pat. Nos. 6,616,231 and 6,193,314. Still other chairs include tiltable backs. See for example, U.S. Pat. Nos. 1,756,825 and 3,938,858 and Reissue 36,335. Adjustable office chairs are sometimes complicated to operate or are overly complex in structure and are often expensive, unreliable or difficult to use. BRIEF SUMMARY OF THE INVENTION [0007] The difficulties encountered with previous devices have been over come by the present invention. What is described here is a chair with a reclining back including a seat assembly, a back assembly, a pivot forming structure defining an axis of rotation for allowing the back assembly to rotate relative to the seat assembly and a biasing structure for resisting the rotation of the back assembly, the biasing structure being spaced from the axis of rotation and also being movable forwardly and rearwardly relative to the axis of rotation with specific structural elements as a way of controlling resistance to the rotation of the back assembly. The invention here also includes a limit control apparatus having specific structure including a first structure having a step configuration, a second structure including an abutment surface for engaging the first structure and an actuator for moving either the first or second structures. The present invention further includes a tilt mechanism for the back of the back assembly including a first bracket, a second bracket, a first pair of links, a second pair of links, a first rod and a second rod so as to allow the second bracket which is connected to the chair back to pivot in a plane generally perpendicularly to the axes of the rods so as to provide a stable but passive adjustment of the chair back as the back assembly reclines. [0008] A complete understanding of the present invention and other objects, advantages and features thereof will be gained from a consideration of the present specification which provides a written description of the invention, and of the manner and process of making and using the invention, set forth in such full, clear, concise, and exact terms as to enable any person skilled in the art to which it pertains, or with which it is most nearly connected, to make and use the same in compliance with Title 35 U.S.C. section 112 (first paragraph). Furthermore, the following description of a preferred embodiment of the invention read in conjunction with the accompanying drawing provided herein represent an example of the invention in compliance with Title 35 U.S.C. section 112 (first paragraph), but the invention itself is defined in the Claims section attached hereto. BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWING [0009] FIG. 1 is a rear isometric view of the inventive office chair described herein. [0010] FIG. 2 is a sectional elevation view of the chair shown in FIG. 1 in an upright position. [0011] FIG. 3 is a sectional elevation view similar to that shown in FIG. 2 but with the chair in a fully reclined position. [0012] FIG. 4 is a front isometric view of controls and frame members of the chair shown in FIG. 1. [0013] FIG. 5 is an enlarged top plan view of a box for the controls of the chair shown in FIG. 1. [0014] FIG. 6 is an isometric view of the box shown in FIG. 5 and including a bracket for attachment of the box to a support column. [0015] FIG. 7 is an isometric view of an upper mount of the chair shown in FIG. 1. [0016] FIG. 8 is an exploded isometric of the elements shown in FIG. 4 but with the absence of some elements. [0017] FIG. 9 is an isometric view of a plastic slide plate. [0018] FIG. 10 is an isometric view of the controls of the chair of FIG. 1 showing a spring assembly absent a helical spring and a top cap. [0019] FIG. 11 is an isometric view of an actuator lever for vertical adjustment of the chair shown in FIG. 1. Continue reading about Chair with recline control mechanism, recline limit control and back tilt mechanism... Full patent description for Chair with recline control mechanism, recline limit control and back tilt mechanism Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Chair with recline control mechanism, recline limit control and back tilt mechanism patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. Start now! - Receive info on patent apps like Chair with recline control mechanism, recline limit control and back tilt mechanism or other areas of interest. ### Previous Patent Application: Furniture slipcover Next Patent Application: Medical chair Industry Class: Chairs and seats ### FreshPatents.com Support Thank you for viewing the Chair with recline control mechanism, recline limit control and back tilt mechanism patent info. IP-related news and info Results in 0.14665 seconds Other interesting Feshpatents.com categories: Qualcomm , Schering-Plough , Schlumberger , Seagate , Siemens , Texas Instruments , 174 |
 * Protect your Inventions * US Patent Office filing 
PATENT INFO |
|
