Abstract:
Disclosed is a deployable panel assembly that includes a support plate ( 101 ), a front support arm ( 105 ) with a first end having at least two pivotable attachments ( 106, 107 ) to a first edge of the support plate ( 101 ) and a second end having at least two pivotable attachments ( 108, 109 ) to a seat shell, and a rear support arm ( 110 ) with a first end ( 111 ) pivotably attached to a second edge of the support plate ( 101 ) and a second end ( 112 ) pivotably attached to the seat shell, wherein the support plate is configured to move between a stowed position and a deployed position.

Description:
CROSS REFERENCE TO RELATED APPLICATIONS 
       [0001]    This application is related to and claims priority benefits from U.S. Provisional Application Ser. No. 61/976,037 (“the &#39;037 application”), filed on Apr. 7, 2014, entitled DOUBLE PIVOT VIDEO ARMS. The &#39;037 application is hereby incorporated in its entirety by this reference. 
     
    
     FIELD OF THE INVENTION 
       [0002]    The field of the invention relates to entertainment features and passenger seats for aircraft or the like. 
       BACKGROUND 
       [0003]    Many passenger seats such as those on passenger aircraft, buses, trains, and the like include mechanisms related to passenger comfort, convenience, and/or entertainment. For example, some seat shell assemblies are designed to include convenience and entertainment features (which may be moveable or deployable) including, for example, video monitors and the like. The design of conventional seat shells along with the design of the convenience and entertainment features may include inefficiencies that lead to reduced space and inadequate ergonomics for passengers. 
         [0004]    In certain situations, it may be desirable to design seat shells and related subcomponents to maximize passenger space and enhance passenger ergonomics. Efficient seat shell and convenience and entertainment feature design facilitates advantageous ergonomics and passenger comfort. 
       SUMMARY 
       [0005]    The terms “invention,” “the invention,” “this invention” and “the present invention” used in this patent are intended to refer broadly to all of the subject matter of this patent and the patent claims below. Statements containing these terms should be understood not to limit the subject matter described herein or to limit the meaning or scope of the patent claims below. Embodiments of the invention covered by this patent are defined by the claims below, not this summary. This summary is a high-level overview of various aspects of the invention and introduces some of the concepts that are further described in the Detailed Description section below. This summary is not intended to identify key or essential features of the claimed subject matter, nor is it intended to be used in isolation to determine the scope of the claimed subject matter. The subject matter should be understood by reference to appropriate portions of the entire specification of this patent, any or all drawings and each claim. 
         [0006]    According to certain embodiments of the present invention, a deployable panel assembly comprises: a support plate; a front support arm with a first end pivotably attached to the support plate; and a rear support arm with a first end pivotably attached to the support plate, wherein the support plate is configured to move between a stowed position and a deployed position. 
         [0007]    In some embodiments, a second end of the front support arm is pivotably attached to a seat shell; and a second end of the rear support arm is pivotably attached to the seat shell. 
         [0008]    In certain embodiments, when in the stowed position, the support plate is approximately parallel to a surface of the seat shell. In some embodiments, when moving from the stowed position to the deployed position, the support plate moves away from the seat shell and away from a passenger occupancy space. In certain embodiments, the movement between the stowed position and the deployed position includes a complex kinematic motion path that includes both rectilinear and rotational movement. 
         [0009]    In some embodiments, the first end of the front support arm comprises an upper pivotable attachment to the support plate and a lower pivotable attachment to the support plate. 
         [0010]    The second end of the front support arm, in certain embodiments, comprises an upper pivotable attachment to the seat shell and a lower pivotable attachment to the seat shell. 
         [0011]    The second end of the rear support arm, in certain embodiments, comprises a tab configured to rotate with respect to a wall fitting about a pin. In some embodiments, the tab comprises an arced slot configured to slide along a stationary pin. In certain embodiments, the tab comprises a deployment motion stop configured to contact the stationary pin when the support plate is in the deployed position. 
         [0012]    According to certain embodiments of the present invention, a deployable panel assembly comprises: a support plate; a video screen attached to the support plate; a front support arm with a first end having at least two pivotable attachments to a first edge of the support plate and a second end having at least two pivotable attachments to a seat shell; and a rear support arm with a first end pivotably attached to a second edge of the support plate and a second end pivotably attached to the seat shell, wherein the support plate is configured to move between a stowed position and a deployed position. 
         [0013]    The second end of the front support arm, in certain embodiments, is pivotably attached to the seat shell at a location closer to a passenger occupancy space compared to the second end of the rear support arm. 
         [0014]    In some embodiments, when in the stowed position, the support plate is approximately parallel to a surface of the seat shell. 
         [0015]    In certain embodiments, when moving from the stowed position to the deployed position, the support plate moves away from the seat shell and away from a passenger occupancy space. In some embodiments, the movement between the stowed position and the deployed position includes a complex kinematic motion path that includes both rectilinear and rotational movement. 
         [0016]    The first end of the front support arm, in some embodiments, comprises an upper pivotable attachment disposed adjacent to an upper edge of the support plate and a lower pivotable attachment disposed adjacent to a lower edge of the support plate. 
         [0017]    The second end of the front support arm, in certain embodiments, comprises an upper pivotable attachment to a first fitting of the seat shell and a lower pivotable attachment to a second fitting of the seat shell. 
         [0018]    In some embodiments, the second end of the rear support arm comprises a tab configured to rotate with respect to a wall fitting about a pin. 
         [0019]    The tab, in some embodiments, comprises an arced slot configured to slide along a stationary pin. In certain embodiments, the tab comprises a deployment motion stop configured to contact the stationary pin when the support plate is in the deployed position. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0020]      FIGS. 1A and 1B  are perspective views of deployable panel assemblies according to certain embodiments of the present invention. 
           [0021]      FIGS. 2A and 2B  are perspective views of the deployable panel assemblies of  FIGS. 1A and 1B . 
           [0022]      FIGS. 3A, 3B, 3C, 3D, 3E, 3F, and 3G  are top views of deployable panel assemblies according to certain embodiments of the present invention. 
           [0023]      FIG. 4  is a perspective view of deployable panel assemblies according to certain embodiments of the present invention. 
           [0024]      FIG. 5  is a detail view of deployable panel assemblies according to certain embodiments of the present invention. 
       
    
    
     DETAILED DESCRIPTION 
       [0025]    The subject matter of embodiments of the present invention is described here with specificity to meet statutory requirements, but this description is not necessarily intended to limit the scope of the claims. The claimed subject matter may be embodied in other ways, may include different elements or steps, and may be used in conjunction with other existing or future technologies. This description should not be interpreted as implying any particular order or arrangement among or between various steps or elements except when the order of individual steps or arrangement of elements is explicitly described. 
         [0026]      FIGS. 1A-5  illustrate embodiments of a deployable panel assembly  100 . In these embodiments, the deployable panel assembly  100  comprises a support plate  101 , a front support arm  105 , and a rear support arm  110 , and is configured to move between a stowed position and a deployed position. The support plate  101  may include an inner edge with one or more attachments to the front support arm  105  and may include an outer edge with one or more attachments to the rear support arm  110 . The support plate  101  may be configured to secure a video screen  250  or another entertainment device. 
         [0027]    As shown in  FIGS. 1A and 1B , the deployable panel assembly  100  may be attached to the surface of a seat shell  1  and may be configured such that the support plate  101  folds approximately flat against the surface of the seat shell  1  when in the stowed position. In some embodiments, the front support arm  105  may include (1) an upper wall attachment  108  that attaches to an upper wall fitting  113 , which is secured to the surface of seat shell  1  and (2) a lower wall attachment  109  that attaches to a lower wall fitting  114 , which is secured to the surface of seat shell  1 . In some embodiments, the seat shell  1  may include an opening  2 , as shown in  FIG. 1A . 
         [0028]    In some embodiments, the front support arm  105  extends in the vertical direction for approximately the full height of the support plate  101  and includes an upper attachment  106  and a lower attachment  107 . As shown in  FIG. 1A , the upper attachment  106  of the front support arm  105  may interface with upper front fitting  102  of the support plate  101  and the lower attachment  107  of the front support arm  105  may interface with lower fitting  104  of the support plate  101 . 
         [0029]    Although not illustrated in the figures, the front support arm  105  may be designed with any appropriate number of attachments to the surface of the seat shell  1  and/or to the support plate  101 . In other words, with respect to the interface with seat shell  1 , the front support arm  105  may include (a) only one of upper wall fitting  113  and lower wall fitting  114 ; (b) both upper wall fitting  113  and lower wall fitting  114 ; or (c) upper wall fitting  113 , lower wall fitting  114 , and one or more additional wall fittings. Similarly and independent of the attachment to the seat shell  1 , with respect to the interface with support plate  101 , the front support arm  105  may include (a) only one of upper attachment  106  and lower attachment  107 ; (b) both upper attachment  106  and lower attachment  107 ; or (c) upper attachment  106 , lower attachment  107 , and one or more additional wall attachments. 
         [0030]    As with the number of connections described above, there are numerous variations for the type of mechanical connection between the front support arm  105  and the seat shell  1  and between the front support arm  105  and the support plate  101 . For example, although each connection is illustrated as a lug/clevis with a rotational axis, one or more of the connections to the front support arm  105  may include a spherical bearing or a ball and socket joint to allow rotation in multiple axes. 
         [0031]    The rear support arm  110  may include a front portion  111  that attaches to upper rear fitting  103  and a rear portion  112  that interfaces with rear wall fitting  115 . As described for the front support arm  105 , although not illustrated in the figures, the rear support arm  110  (1) may be designed with any appropriate number of attachments to the surface of the seat shell  1  and/or to the support plate  101  and (2) may be designed for numerous variations for the type of mechanical connection between the rear support arm  110  and the seat shell  1  and between the rear support arm  110  and the support plate  101 . 
         [0032]    In some embodiments, as shown in  FIG. 5 , the rear portion  112  of rear support arm  110  is replaced with a tab  500 . Tab  500  interfaces with and rotates about a pin  501  connected to rear wall fitting  115 . To guide and constrain the motion of rear support arm  110 , the tab  500  includes an arced slot  504 , which interfaces with a stationary pin  503  (which may include bearings or a component for reducing friction) attached to rear wall fitting  115 . In some embodiments, arced slot  504  has a center corresponding to pin  501  such that, when rear support arm  110  rotates about pin  501 , the arced slot  504  slides along stationary pin  503 . To limit motion at the deployed position (see  FIG. 3G ), tab  500  includes a deployment motion stop  505 , which is disposed adjacent to one end of the arced slot  504  (see  FIG. 5 ) such that the stationary pin  503  will contact the deployment motion stop  505  when rear support arm  110  reaches the deployed position. To limit motion at the stowed position (see  FIG. 3A ), rear wall fitting  115  includes a stowage motion stop  502 , which is disposed adjacent to one edge of the rear wall fitting  115  (see  FIG. 5 ) such that the stowage motion stop  502  will contact an edge of the tab  500  when rear support arm  110  reaches the stowed position. In some embodiments, the deployment motion stop  505  and the stowage motion stop  502  may include a soft touch material (i.e., rubber, polymer, plastic, or another suitable material) to reduce shock and/or vibration related to contact at either the deployed or stowed positions. 
         [0033]      FIG. 2A  shows the support plate  101  and a video screen  250  in the deployed position where a passenger&#39;s line of sight is approximately perpendicular to the surface of video screen  250  such that the passenger occupancy space is located toward the bottom right corner for  FIG. 2A .  FIG. 3G  also illustrates the deployed position and shows the arrangement of front support arm  105  and rear support arm  110  when deployed.  FIG. 2B  shows a swept volume  260  that represents the full motion of the support plate  101  and the video screen  250  between the stowed position and the deployed position. 
         [0034]      FIGS. 3A-3G  show a progression of the support plate  101  and the video screen  250  from the stowed position ( FIG. 3A ) to the deployed position ( FIG. 3G ). As shown in  FIGS. 3A-4 , the support plate  101  and the video screen  250 , when moving from the stowed position to the deployed position move away from the seat shell and away from the passenger occupancy space. In other words, the support plate  101  and the video screen  250  do not merely pivot; they follow a complex kinematic motion path that includes both rectilinear and rotational movement. 
         [0035]    In some situations, a support plate  10  and video screen  50 , which are attached to a seat shell with a single axis hinge  20 , use the same stowed position as that of the support plate  101  and the video screen  250 . However, as shown in  FIG. 4 , because support plate  10  and video screen  50  merely rotate about the single axis hinge  20 , support plate  10  and video screen  50  are offset a distance X from support plate  101  and the video screen  250 . The distance X represents a significant decrease in passenger space. In other words, implementing deployable panel assembly  100  moves the deployed location from the location occupied by support plate  10  and video screen  50  by a distance X. In addition to increasing passenger space, the distance X also allows a passenger a better viewing angle for the video screen  250 . 
         [0036]    The components of the deployable panel assembly  100  may be formed of materials including, but not limited to, carbon composite, plastic, thermoplastic, steel, aluminum, stainless steel, other plastic or polymer materials, other metallic materials, other composite materials, or other similar materials. Moreover, the components of the deployable panel assembly  100  may be attached to one another via suitable fasteners, which include, but are not limited to, screws, bolts, rivets or other mechanical or chemical fasteners. 
         [0037]    Different arrangements of the components depicted in the drawings or described above, as well as components and steps not shown or described are possible. Similarly, some features and sub-combinations are useful and may be employed without reference to other features and sub-combinations. Embodiments of the invention have been described for illustrative and not restrictive purposes, and alternative embodiments will become apparent to readers of this patent. Accordingly, the present invention is not limited to the embodiments described above or depicted in the drawings, and various embodiments and modifications may be made without departing from the scope of the claims below.