Bizarre Patents
Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8177299 | Chair more comfortable when seated in optimum posture while reclining A chair has a link of a chair back, a link of a chair seat, and a link mechanism that pushes up the link of the chair seat when the link of the chair back is pressed to incline rearward, so that the occupant can take the optimum seating posture without being conscio... | 05/15/2012 |
| 8087727 | Chair A chair 2010 has a supporting frame 2011, a seat portion 2013, a back portion 2015, and a recline mechanism. The mechanism moves the seat portion 2013 upon a reclining action of the back portion 2015. The mechanism has a rea... | 01/03/2012 |
| 8025335 | Chair 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 ... | 09/27/2011 |
| 7997652 | Tilt control mechanism for a chair A tilt control mechanism for an office chair includes a spring assembly therein which controls the tilt tension on the back assembly. The tilt control mechanism includes a control plate mounted to the control shaft on which the uprights are mounted, wherein the cont... | 08/16/2011 |
| 7992936 | Seat A seat comprising an underframe and a seat element wherein the seat element comprises a front seat part, a rear seat part, a lower backrest part and an upper backrest part wherein the seat element can be displaced from a basic position into a reclined position, and ... | 08/09/2011 |
| 7992937 | Body support structure A body support structure includes a body support member and a base having an upper component coupled to the body support member and a lower component adapted to be supported on a floor. An adjustable spring mechanism biases the body support member. A weighing mechan... | 08/09/2011 |
| 7841664 | Chair with control system According to the present invention, a control system for a chair is provided. The control system is comprised of first and second resilient blocks, first and second stabilizing members and first and second rockers. The first stabilizing member has first and second e... | 11/30/2010 |
| 7837265 | Reclining chair with enhanced adjustability An adjustable reclining chair including a seat configured to support a user, a chair back, a base and a control mechanism mounted on the base. The control mechanism coupling the chair back to the seat with the chair back located generally adjacent to the user's back... | 11/23/2010 |
| 7735923 | Tilt control mechanism for a chair A tilt control mechanism for an office chair includes a spring assembly therein which controls the tilt tension on the back assembly. The tilt control mechanism includes a control plate mounted to the control shaft on which the uprights are mounted, wherein the cont... | 06/15/2010 |
| 7717513 | Chair There is provided a chair that realizes a state preferably following a motion of a sitter in accordance with a posture of the relevant sitter, and a state preferably supporting the sitter. The chair includes a lower frame portion supported so as to be capable of roc... | 05/18/2010 |
| 7625045 | Chair ride mechanism with tension assembly A task chair, including a backrest assembly and a seat assembly pivotally coupled both to one another and to side portions of a fixed yoke member for synchronized movement, in which the seat of the seat assembly moves upwardly and forwardly concurrently with recline... | 12/01/2009 |
| 7611199 | Seat back adjustment mechanism A seat for use by an occupant in a vehicle. The seat includes a seat base configured to be supported in the vehicle. A back frame including a first transverse member, a first side member and a second side member, wherein the first transverse member interconnects eac... | 11/03/2009 |
| 7600814 | Seating furniture item, in particular office chair A seating furniture item, in particular an office chair, has a seat fastened on a seat support and a backrest fastened to a backrest support, the backrest support being articulatedly arranged on a base support and the backrest support and the seat support being arti... | 10/13/2009 |
| 7566097 | Chair, in particular office chair A seat, in particular an office chair, has a synchronous mechanism with a weight-adapting mechanism. An automatic adaptation of a spring force acting on the synchronous mechanism depends on the weight momentarily exerted on the seat. Therefore, the spring force is t... | 07/28/2009 |
| 7513570 | Control mechanism for a chair A tilt control mechanism for an office chair includes a spring assembly therein which controls the tilt tension on the back assembly. The tilt control mechanism includes a control plate mounted to the control shaft on which the uprights are mounted, wherein the cont... | 04/07/2009 |
| 7513569 | Synchronous office chair A synchronous office chair comprising a support (1) firmly connected with a supporting column, a seat base (2) articulated on a tilting axis (4) support with a flange (5) and a backrest (3) with a back bracket (6). The back ... | 04/07/2009 |
| 7503626 | Chair having a tiltable seat A chair is provided which has a tiltable seat carrier and a tiltable backrest on the backrest carrier which are forcibly coupled to one another, and which has an individual adjustment feature for the tilt of the seat carrier in relation to the backrest carrier. Prov... | 03/17/2009 |
| 7429081 | Tilt control mechanism for a chair A tilt control mechanism for an office chair includes a spring assembly therein which controls the tilt tension on the back assembly. The tilt control mechanism includes a control plate mounted to the control shaft on which the uprights are mounted, wherein the cont... | 09/30/2008 |
| 7427105 | Back construction for seating unit A back construction includes a base with a yoke formed by a cross member and upright side arms that define a U-shape, armrests supported by the side arms, and a seat and back also supported by the side arms for synchronized motion upon recline of the back. Specifica... | 09/23/2008 |
| 7425037 | Tilt chair and methods for the use thereof A tiltable chair including a base, a fulcrum member having a curved support surface, a back support pivotally connected to the base at a pivot axis and pivotable between at least an upright position and a rearward tilt position, and at least one leaf spring having f... | 09/16/2008 |
| 7410215 | Articulating chair An articulating massaging chair is provided that includes a support frame; a seat pivotally connected to the support frame by a seat pivot; and a backrest pivotally connected to the support frame by a backrest pivot. ... | 08/12/2008 |
| 7410216 | Tension adjustment mechanism for a chair A tilt control mechanism for an office chair includes a spring assembly therein which controls the tilt tension on the back assembly. This tilt control mechanism includes a tension adjustment assembly having a radial adjustment arm which supports the legs of a pair ... | 08/12/2008 |
| 7364233 | Synchronisation mechanism for chairs or armchairs Synchronisation mechanism for chairs or armchairs, of the type provided with a base (1), on which at least one seat frame (2) and at least one backrest frame (3) are hinged, at least one stiffening spring (4) positioned between the base a... | 04/29/2008 |
| 7322653 | Integrated videogaming and computer workstation Disclosed is a videogaming and computer workstation unit, preferably integrated with an ergonomic chair, which permits ease of entry and exit to the chair for users of various sizes, and which permits users to use peripheral devices for operating video games and com... | 01/29/2008 |
| 7293833 | Chair and support mechanism unit thereof A chair is provided with a base 6 fixed at an upper end of a leg pillar 5, a back support unit 13 attached to the base 6 so as to tilt backward, a backrest 3 attached to the back support unit 13, and a spring unit 14 ... | 11/13/2007 |
| 7281764 | Tension control mechanism for chair The chair includes seat and back assemblies interconnected in a four-bar linkage. The chair further includes a tension mechanism comprising a coil spring projecting forwardly from a base and an adjustment linkage which is connected to said coil spring and to a front... | 10/16/2007 |
| 7273253 | Chair ride mechanism with tension assembly A task chair, including a backrest assembly and a seat assembly pivotally coupled both to one another and to side portions of a fixed yoke member for synchronized movement, in which the seat of the seat assembly moves upwardly and forwardly concurrently with recline... | 09/25/2007 |
| 7267405 | Chair with a synchronous coordinating system for the chair back A chair with a synchronous coordinating system for the chair back includes a base, a chair cushion and a chair back. The base and the chair cushion are connected fixedly or formed integrally, and the chair back is articulated with the base which is articulated with ... | 09/11/2007 |
| 7264311 | Synchrotilt seating unit with comfort surface A seating unit includes a base, a reclineable back, a seat, and a control operably supporting the back and the seat on the base for synchronous movement between upright and recline positions. The control includes a pair of flexible support members and a link that co... | 09/04/2007 |
| 7261368 | Ergonomic chair An ergonomic seating assembly for comfortably supporting an individual during prolonged periods of time sitting in one position thereby alleviating back and neck strain and increasing productivity. ... | 08/28/2007 |
| 7252336 | Pivotable boat seat A seat (11) having a seat cushion (12) and a squab (16), the seat (11) being adjustable between a first configuration adapted to provide seating accommodation for a user and a second configuration adapted to provide leaning accommodation ... | 08/07/2007 |
| 7243993 | Tilting mechanism for a chair and a chair having the same A chair has a backrest and a pair of armrests. A pair of support struts for supporting the backrest is connected to a shaft of a base under a seat. The armrest is supported by an arm post. An operating lever is mounted on the upper front end of the arm post. When th... | 07/17/2007 |
| 7234775 | Dynamically balanced seat assembly having independently and arcuately movable seat and backrest and method A seat assembly (21) including a seat (22), a backrest (23) and a mounting assembly (24) mounting the seat (22) in a near horizontal orientation for movement along an upwardly concaved arcuate seat path having a center of curvature... | 06/26/2007 |
| 7213880 | Control device for an adjustable seating structure A control device for an adjustable seating structure including a first adjustment control positioned in an orientation approximating a seat member. The first adjustment control is moveable about a horizontal axis. A second adjustment control is positioned adjacent t... | 05/08/2007 |
| 7198329 | Height adjustable work chair A height adjustable chair has an upper portion that moves relative to a lower portion. Push-off arm rests are provided so that a person need not leave the chair to adjust the seat height upwardly. A seated person can transfer their body weight to the push-off arm re... | 04/03/2007 |
| 7185951 | Chair and synchrotilt chair mechanism A synchrotilt chair mechanism and a chair are provided. The synchrotilt chair mechanism is for use on a chair that has a base assembly with an extending pedestal, a seat and a back. The mechanism includes a chassis that is coupled to the pedestal and a seat plate th... | 03/06/2007 |
| 7165811 | Control mechanism for seating unit A seating unit includes a base, a reclineable back, a seat, and a control operably supporting the back and the seat on the base for movement between upright and recline positions. The control includes a pair of flexible support members and a link that combine to ope... | 01/23/2007 |
| 7147282 | Chair with backrest depth adjustment mechanism A backrest depth adjustment mechanism which allows adjustment of the backrest assembly in a front-to-back manner with respect to the seat. The backrest assembly generally includes a backrest frame supporting the backrest. The backrest frame includes opposite end por... | 12/12/2006 |
| 7147288 | Backrest The backrest of a chair comprises a frame, a backrest support and a neck support. A membrane is clipped into the frame, and the backrest support is articulated on a tilting mechanism. The frame comprises two side parts and two cross-pieces, the lower cross-piece lyi... | 12/12/2006 |
| 7147286 | Versatile chair A versatile chair having a back assembly, a seat assembly and a leg assembly. Two brackets are formed on the leg assembly and create an axis of rotation for the back assembly and for the seat assembly independent of the back assembly. The back assembly rotates due t... | 12/12/2006 |
