Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 7766426 | Tilt controls for chairs A tilt mechanism for a chair includes rotary stop means defining a plurality of selectable tilted positions of the chair seat/back. In another aspect, an anti kick-back feature is provided based. The mechanism includes upper and lower housing parts and a cushioning ... | 08/03/2010 |
| 7467826 | Resilience tilt-adjusted device of backrest An office chair having a resilience tilt-adjusted device of a backrest includes an upper and a lower casing put together to cover an elastic adjuster which can press one end of elastic members with difference forces. Another end of the elastic members leans against ... | 12/23/2008 |
| 7431387 | Adjustable toggle and stop for a furniture mechanism A biasing element assembly for an article of furniture includes an actuation mechanism to enable a leg rest assembly to move between a stowed position and an extended position and be retained in intermediate positions. The mechanism includes a support shaft, a drive... | 10/07/2008 |
| 7367622 | 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 cam wedge which supports the legs of a pair of coil spri... | 05/06/2008 |
| 7316453 | Chair spring tension control A tilt mechanism for an office chair includes a spring tension control that incorporates a wedge arrangement including a moveable wedge component that is displaceable laterally by turning a control knob below the seat of the chair, to force fixed wedge components ap... | 01/08/2008 |
| 7293832 | Chair adjustable device A chair adjustable device includes a base with which a seat frame and a backrest frame are respectively and pivotably connected. A positioning mechanism is connected to the base and includes an operation handle which is able to shift a transmission frame and a posit... | 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 |
| 7243935 | Wheelchair having a pivot provision adjacent the knee of a user Wheelchair of which a sitting support is pivotable about a virtual or non-virtual pivot axis, extending substantially horizontally, substantially at right angles to a main driving direction of the wheelchair, wherein the upper part of the body of the user, at least ... | 07/17/2007 |
| 7198328 | Locking device for an office chair structure with an articulation permitting the movement of the seat and the seat back and related structures of the chair A locking device in an office chair structure of the type with articulation permitting the movement of the adjustable seat and seat back, with a mobile base from which a column rises, which is adjustable in height, and which supports a seat plane and a hinged seat b... | 04/03/2007 |
| 7125078 | Device for the adjustment of the compression force of the spring in an articulation for a chair A device for adjusting the compression force of the spring in an articulation of a seat of the type equipped with a mobile “rocket launcher”-type base, from which base there rises a column, adjustable in height, which supports a reciprocally hinged seat plane an... | 10/24/2006 |
| 7080884 | Chair with rapidly adjustable energy storing device A working chair with adjustable backrest support pre-set tension is described, in which a swiveling backrest support is positioned on a seat part, the backrest support being prestressed against the back of the user with a manually adjustable pre-set tension of an en... | 07/25/2006 |
| 7014262 | Support for tilting or synchronized chairs A support for tilting or synchronized chair is provided. The device includes a supporting frame, a mobile frame, an elastic member, a stiffness adjustment mechanism coupled with the elastic member, a locking mechanism for engaging the mobile frame with the supportin... | 03/21/2006 |
| 7008015 | Seat suspension assembly A seat suspension assembly including a base including a first pair of spaced legs adapted to be securable to a support structure. The first pair of legs is connected to a back member. A seat frame is adapted to support a seating surface and disposed between the firs... | 03/07/2006 |
| 6945603 | Chair, in particular office chair A chair comprises a seat support with a front seat support part and a rear seat support part which is connected thereto via a pivoting axis. An adjustable length energy storing device serves for adjustment relative to each other of the seat support parts. The energy... | 09/20/2005 |
| 6935689 | Chair The chair comprises an axis X1 that extends right and left and that connects a seat 6 and a supporting body 3 arranged under the seat 6 in a rotatable manner at a front end portion of the seat frame 4, an axis X2 that connec... | 08/30/2005 |
| 6929327 | Chair with oscillating seat A chair, in particular an office chair, comprising: a base structure, a seat support structure, articulated to the base structure around a transverse axis, an adjustable elastic device to apply an elastic force between the base structure and the seat support structu... | 08/16/2005 |
| 6796611 | Synchronizing mechanism for office chairs A synchronizing mechanism for office chairs comprises a base carrier, a backrest carrier, and a seat carrier, which are coupled to one another via corresponding joints. A spring arrangement to actuate the synchronizing mechanism consists essentially of helical compr... | 09/28/2004 |
| 6712428 | Reclining device for chairs and chair with said reclining device It is provided for a reclining device for chairs and the chair with said reclining device, comprising an elastic element with linear strain (8) having a first end (8a) abutting against the primary body (2) of a chair, and a half-shell ele... | 03/30/2004 |
| 6607244 | Reclining chair A reclining chair including a support base, a chair seat rotatably coupled at its forward portion to the support base, a substantially vertically disposed coil spring provided adjacent the forward portion of the seat and between the seat and the support b... | 08/19/2003 |
| 6588843 | Chair control A chair control providing both articulating tilt motion and dual-ratio, adjustable, synchronized tilt motion. In a first aspect, the control can be configured as either an articulating tilt control or a synchronized tilt control. In a second aspect, the a... | 07/08/2003 |
| 6394548 | Seating unit with novel seat construction A seating unit is provided having a base assembly, a back frame pivoted to the base assembly for movement between upright and reclined positions, and a seat slidably supported on the base assembly and pivoted to the back frame so that the seat moves forwa... | 05/28/2002 |
| 6238000 | Mechanism for chair An office chair has a seat (1) mounted on a base (2) so that its inclination can be adjusted with a mechanism (4). The mechanism has a spring (28) mounted in compression between the seat and base, and a manual control (20) acts to adjust the extent of com... | 05/29/2001 |
| 6086153 | Chair with reclineable back and adjustable energy mechanism A chair is provided having a base assembly including a base frame, a back frame pivoted to the base frame for movement between upright and reclined positions, and a seat slidably supported on the base frame and pivoted to the back frame so that the seat m... | 07/11/2000 |
| 6053574 | Device for adjusting the tilting resistance of a chair seat For automatically adjusting the tilting resistance of a chair seat (6), which is tiltably attached on a base column (1) via a horizontal shaft provided across the chair, and where tilting resistance and springing are determined by two spring elements (13,... | 04/25/2000 |
| 6039397 | Tilt back chair control A tilt back chair provides for selective independent and concurrent movement of a chair back with respect to a chair seat. The seat is mounted to a spring biased bracket for pivotal movement about a seat tilt axis. The back is connected to a pair of pivot... | 03/21/2000 |
| 5979984 | Synchrotilt chair with forwardly movable seat A chair is provided having a base assembly with a particularly shaped housing and rigid upright side arms, a back frame pivoted to the base assembly for movement between upright and reclined positions, and a seat slidably supported on the base assembly an... | 11/09/1999 |
| 5918935 | Reclining chair A reclining chair including a support base, a chair seat rotatably coupled at its forward portion to the support base, a substantially vertically disposed coil spring provided adjacent the forward portion of the seat and between the seat and the support b... | 07/06/1999 |
| 5725276 | Tilt back chair and control A tilt back chair provides for selective independent and concurrent movement of a chair back with respect to a chair seat. The seat is mounted to a spring biased bracket for pivotal movement about a seat tilt axis. The back is connected to a pair of pivot... | 03/10/1998 |
| 5573303 | Chair seat tilting mechanism A chair seat tilting mechanism comprises a support for mounting to a chair spindle and a lever arm pivotally mounted at a pivot to the support, which lever arm is for mounting to a chair seat. A link arm is pivotally mounted at a pivot to the support and ... | 11/12/1996 |
| 5564783 | Chair, in particular office chair A chair has a chair column on which a front seat support member is fixed. A rear seat support member provided with a back-rest support for a back-rest is joined to the front seat support member by a pivot axle. A seat is supported on the two seat support ... | 10/15/1996 |
| 5505522 | Deflectable seat back A mechanism is provided for detachably interconnecting a seat base and a seat back of a chair such that the application of pressure to the seat back causes deflection therebetween and which returns to its normal orientation upon releasing the applied pres... | 04/09/1996 |
| 5464274 | Chair seat tilt adjustment and locking mechanism A chair tilt control mechanism for a pedestal base chair having a chair control housing mounted on the pedestal chair base and pivotally supporting a chair seat support member. A laterally movable front stop member retained within the chair control housin... | 11/07/1995 |
| 5375912 | Reclining chair A reclining chair including a support base, a chair having seat and back portions integrally formed, a lever arm fixed to and extending from a bottom and forward portion of the seat portion, a means for pivotally coupling the forward portion of the seat p... | 12/27/1994 |
| 5328237 | Shock absorber for a back rest of a chair A shock absorber employable for a back rest of a chair is operatively associated with a pair of support arms for the back rest via an engagement piece turnably supported by a first shaft. A mounting frame is turnably supported by a second shaft while a pa... | 07/12/1994 |
| 5222783 | Chair with its backrest adjustable in its angle A chair with its backrest adjustable in its angle comprising a steering rod to keep the backrest upright or tilted in a certain pre-set angle and a control rod to push down a press button of an air pressure cylinder which functions to raise up or lower do... | 06/29/1993 |
| 5207479 | Chair control mechanism The present invention is an office chair capable of dynamically tilting to provide a desired seat inclination from an upright position to a maximum tilted position. The preloading mechanism of the spring includes an adjusting screw and a tension arm which... | 05/04/1993 |
| 5192114 | Tilt adjustment control for a chair A chair comprises a base, a column on the base, a housing on the column and supporting a chair seat and back, a height adjustment means mounted to and between the base and the housing for longitudinal adjustment to alter relative height of the seat. The c... | 03/09/1993 |
| 5160184 | Controller for seating and the like A controller is provided for seating, and the like, such as chairs of the type that have a stationary base or support, and a back which tilts about a generally horizontal axis with respect to the support. The controller includes an adjustable tension devi... | 11/03/1992 |
| 5150948 | Reclining chair A chair which is provided with a seat having an adjustable inclination comprises a seat carrier, which is pivoted by a first pivot to a link arrangement which carry the seat, a back rest, which is carried by a back rest carrier, which is pivoted to the li... | 09/29/1992 |
| 5106157 | Chair height and tilt adjustment mechanisms A chair comprises a base, a column on the base, a housing on the column and supporting a chair seat and back, a height adjustment mechanism mounted to and between the base and the housing for longitudinal adjustment to alter relative height of the seat. T... | 04/21/1992 |
