Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7775601 | Back structure for a chair A rack structure for a chair includes a chair back member having a frame and a mounting support. The frame includes a support cushion disposed on the front side thereof for supporting a user's waist correspondingly. The frame further includes two first connecting ta... | 08/17/2010 |
| 7413250 | Back support A thoracic back support allows for and assists in the promotion of scapular retraction in a seated human. In various examples, such supports may be rigid or semi-rigid, and they may be convex. ... | 08/19/2008 |
| 7338117 | Ventilated seat The present invention relates to a ventilated seat having an insert with a seat portion, and having a flow control layer with first and second ports, a spacer having an inlay and a main portion, and a first fluid barrier where the inlay is substantially isolated fro... | 03/04/2008 |
| 7334845 | Comfort surface for seating A seating unit includes a perimeter frame, a flexible seating surface supported by the frame, and parallel elongated resilient force-distributing members coupled to the seating surface to control a contour of the seating surface when supporting a seated user. The re... | 02/26/2008 |
| 7273257 | Recliner chair having a turning up and stretching out footrest mechanism Mechanism for simultaneously turning up and stretching out an extension part (12,112) relative to a reference part (1,101),with a telescopic sliding profile element (10,110) connected to the reference part and to the extension part, The essentia... | 09/25/2007 |
| 7234773 | Backrest for a chair, with a retractor A chair having a backrest with a Y-shaped member. The member being affixed to the center of the top rail of the backrest frame at one end. The other end of the Y-shaped member connects to backrest fabric, pulls it rearward, and holds the backrest fabric in tension u... | 06/26/2007 |
| 7090301 | Apparatus and method for lumbar support structure The invention is a lumbar support structure adapted to attach to a frame of a seat. An upper support bar and a lower support bar attach to the frame of the seat. A plurality of vertical springwires connect to the support bars. Spacers are used to maintain a desired ... | 08/15/2006 |
| 6981742 | Cushion for backrest of chair A cushion includes a flexible curved main body having a first end formed with a fixed portion and a second end formed with a movable portion, and an elastic mechanism mounted on the main body and biased between the fixed portion and the movable portion of the main b... | 01/03/2006 |
| 6969114 | Total spinal support A support device for use in supporting a user's spine while in a seated position, including lower, top and intermediate sections merged smoothly in a rigid piece. The device extends the entire length of the user's spine from occipital region to coccyx, and includes ... | 11/29/2005 |
| 6910741 | Lumbar support A back portion for a chair includes a peripheral frame defining an opening therein. A lumbar support portion is disposed in the opening. The lumbar support portion comprises a substantially rigid panel. Two hinge devices are hingedly mounted on opposite sides of the... | 06/28/2005 |
| 6908153 | Power lumbar support cable apparatus and method A lumbar support system includes a fixed mounting bracket having a first traction cable sleeve support, a second sleeve support and a slider guide. A traction cable having a wire disposed to slide axially through a first sleeve and second sleeve, is attached to the ... | 06/21/2005 |
| 6880215 | Method of manufacturing cushion construction for seating unit A method of manufacturing a seating unit, such as a chair, includes manufacturing a cushion made from a non-woven fibrous material, and attaching the cushion to the seating unit for comfortable support. The cushion is made by cutting a blank from non-woven fibrous s... | 04/19/2005 |
| 6722741 | Seating structure having a backrest with a bowed section A seating structure includes a support structure, a seat supported by the support structure and a backrest pivotally connected to the support structure. The seat includes a front and rear. The backrest is positioned adjacent the rear of the seat. The backrest includ... | 04/20/2004 |
| 6454352 | Car seat pad A car seat pad for use in child safety seats is described. The seat pad is formed of isotonic foam or encapsulated gel material to insulate an infant or small child from the hard surface of the safety seat. The pad includes a back portion and a hingedly j... | 09/24/2002 |
| 6425637 | Cushion construction for furniture A chair includes a base, a back, and a seat with at least one of the back and seat including a cushion made from a non-woven fibrous material. A method includes steps of cutting a blank from a sheet of non-woven fibrous material, forming the blank into a ... | 07/30/2002 |
| 6378946 | Seat backrest frame A seat backrest frame (10) having an integrally formed rigid peripheral frame structure which, relative to an in-use orientation, has a plurality of frame portions, namely a pair of side portions (20) and transverse portions (22 and 24). Each of the frame... | 04/30/2002 |
| 6345863 | Folding chair with lumbar support and flexible back support A folding chair has a support frame with a back support portion, front leg portions, and rear legs. A seat is pivotally coupled to the support frame. A flexible back support is coupled to the support frame, and has a lumbar support member extending down f... | 02/12/2002 |
| 6322147 | Utility chair A chair includes a base, a substantially rigid seat and back supporting frame, and a tensile support tensioned on the frame by a combination of elements of the base, the frame, and a spreader bar that extends between upper portions of the frame has a side... | 11/27/2001 |
| 5957533 | Articulated reclining backrest with lumbar support The present invention provides a backrest for a seat or chair having an upper section; a lower section; and a pivotal movement mechanism fixed to the lower section which pivotably connects the upper section with the lower section and includes spring devic... | 09/28/1999 |
| 5913572 | Multi-roller beach chair A beach chair having multiple rollers is provided which is electrically insulated and that is quiet when rolled upon a hard surface. The frame of the beach chair is curved to fit the curves of the human body so that the weight is evenly distributed over t... | 06/22/1999 |
| 5897472 | Abdominal exercise apparatus featuring prestretching and weight training facilities An abdominal exercise apparatus (52) comprising an adjustable upright stand (54). A multi-contoured back pad base structure (56) is for positioning, preparing and isolating various muscles of the abdomen of a person (58) during exercise. A component (60) ... | 04/27/1999 |
| 5845969 | Rolling beach lounge chair A rolling beach chair is provided which is electrically insulated and that is quiet when rolled on a hard surface. The frame of the beach chair is curved to fit the curves of the human body so that the weight is evenly distributed over the whole body surf... | 12/08/1998 |
| 5769490 | Adjustable lumbar support An adjustable lumbar support of the kind including a flexible band which in use extends transverse of a seat backrest. The lumbar support has means for adjusting the rearward curvature of the band in a fore and aft direction and also has means for adjusti... | 06/23/1998 |
| 5474362 | Cushions having internal support member Cushions for chairs and the like, having a firm internal support member to support key parts of the user's body such as the lumbar region of the back. These cushions are comprised of: a relatively soft cushion material on the body contacting portion of th... | 12/12/1995 |
| 5411317 | Vehicle seat A vehicle seat has a sitting surface and a backrest which has a backrest upholstery with a forward upholstery arching arranged in the region of the lumbar vertebrae of the seat user for the purpose of relieving the user's intervertebral discs. For the phy... | 05/02/1995 |
| 5314235 | Portable back support Disclosed herein is a portable back support comprising a base plate, cushion means attached to the base plate: the cushion means having an upper portion and a lower portion, the lower portion having a pair of laterally spaced extremities, the base plate h... | 05/24/1994 |
| 5288135 | Lumbar supporting seat cushion A seat cushion for prolonged sitting, having a thigh cushion coupled to and spaced apart from a back cushion. A seat well is defined between the thigh cushion and the back cushion to remove pressure from the buttocks region. Coupling members couple the th... | 02/22/1994 |
| 5052755 | Chair, and methods of constructing and utilizing same A chair for naturally supporting a user's body in an erect sitting posture. The frame of the chair supports a specially-constructed seat portion which cooperates with a back support portion to normally and comfortably maintain an erect sitting posture. Th... | 10/01/1991 |
| 4883320 | Seat structure Resin-made support panels for supporting the ischium torus, lumbar and shoulder blade portions of a person seated are molded integral onto sheet-like springs which are plain-woven by resin fibers, and side rims of the sheet-like springs are connected to f... | 11/28/1989 |
| 4787106 | Body support device such as cushions or pillows A convex body support pad (2) mounted inside a rigid frame (5) by resilient means (6) and placed inside a case containing filling to form a portable cushion. The convex support pad may be a solid lump or may be hollow and may contain a vibrator. The resil... | 11/29/1988 |
| 4761035 | Seat cushion assembly An automobile seat cushion back including a contoured seat cushion with a trim cover thereon and a stretchable support layer for such seat cushion. A soft back cover is secured to and extends between opposed edges of said support layer to form an open end... | 08/02/1988 |
| 4595234 | Rocking chair A rocking chair with rockers wherein each rocker has a fulcrum between a forward rocker section and a rearward rocker section for tilting the chair into a forward or a backward position, respectively. The chair seat and backrest are connected to the forwa... | 06/17/1986 |
| 4583783 | Seat support for a vehicle seat A seat support for a vehicle seat is disclosed which comprises a seat frame, two connection members respectively mounted to the two side members of the seat frame and a support member formed of a cloth. In this seat support, the cloth support member is ex... | 04/22/1986 |
| 4331361 | Posture chair back A chair having a seat and a seat back with said seat back having spaced-apart upright members to accommodate the back of a chair occupant in which spaced springy support means are provided in selected regions against which the chair occupant contacts to u... | 05/25/1982 |
| 4283046 | Seat construction A seat construction comprising a spring assembly including a pair of longitudinally extending wires, a plurality of transversely extending spaced spring wires, portions of which are wound around the longitudinally extending wires to define an intermediate... | 08/11/1981 |
