Abstract:
An angle/direction adjustable display device includes a rotary mount fixedly mounted on a support wall and rotated on an axis, a display holder frame having a fixed end pivoted to the rotary mount and a free end terminating in a coupling portion, and a video display device pivoted to the coupling portion at the free end of the display holder frame.

Description:
BACKGROUND OF THE INVENTION 
     The present invention relates to an angle/direction adjustable display device which, when installed in for example a motor vehicle, can conveniently be adjusted to hold the display device at the desired angle in the desired direction. 
     A computer is an important implement to people in different fields. Many people have to use a computer for different purposes daily. There are advanced cars equipped with a computer system, piloting system, global positioning system. These systems commonly comprise a display device for video output. When the display device of a computer system, piloting system or global positioning system is installed in a motor vehicle, it cannot be viewed from all angles in the motor vehicle. 
     SUMMARY OF THE INVENTION 
     The present invention has been accomplished to provide means for holding a video display device in a support place that can be conveniently adjusted to the desired angle and direction. According to one aspect of the present invention, the angle/direction adjustable display device comprises a rotary mount fixedly mounted on a support wall and rotated on an axis, a display holder frame having a fixed end pivoted to the rotary mount and a free end terminating in a coupling portion, and a display device pivoted to the coupling portion at the free end of the display holder frame. According to another aspect of the present invention, the rotary mount comprises a hollow, rounded mounting disk fixedly fastened to the support wall, an annular rotary shell carried and rotated on the mounting disk, and a hollow, rounded bottom cover shell covered on the mounting disk at a bottom side opposite to the annular rotary shell and fastened to the annular rotary shell and rotated with the annular rotary shell on said mounting disk. 
    
    
     BRIEF DESCRIPTION OF THE DRAWINGS 
     The foregoing and other features and advantages of the present invention will be more clearly understood from the following detailed description and the accompanying drawings, in which, 
     FIG. 1 is a perspective view of the present invention, showing the display device received in the bottom recess of the bottom cover shell; 
     FIG. 2 is an exploded view of the rotary mount according to the present invention; 
     FIG. 3 is an applied view of the present invention, showing the angle/direction adjustable display device installed in a motor vehicle; and 
     FIG. 4 is similar to FIG. 3 but showing the angular position and direction of the display device adjusted. 
    
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT 
     Referring to FIGS. from  1  through  4 , an angle/direction adjustable display device in accordance with the present invention is generally comprised of a rotary mount  1 , a display holder frame  2 , and a video display device  3 . 
     The rotary mount  1  comprises a mounting disk  11 , an annular rotary shell  12 , and a hollow, rounded bottom cover shell  13 . The mounting disk  11  is fixedly fastened to for example the roof A of a motor vehicle, the annular rotary shell  12  is rotatably carried on the mounting disk  11 . The hollow, rounded bottom cover shell  13  is fastened to the annular rotary shell  12  below the mounting disk  11 , and can be rotated with the annular rotary shell  12 . The mounting disk  11  comprises a hollow rounded disk body  111 , a rim  112  around the periphery of the hollow rounded disk body  111 , and a plurality of mounting holes  113  at the hollow rounded disk body  111 . The mounting holes  113  are respectively fastened to the roof A by for example screws. Before fixedly securing the mounting disk  11  to the roof A, the annular rotary shell  12  is carried on the mounting disk  11 . The inner diameter of the annular rotary shell  12  is greater than the outer diameter of the hollow rounded disk body  111  of the mounting disk  11 . Therefore, the annular rotary shell  12  can be rotated on the mounting disk  11 . The annular rotary shell  12  comprises a plurality of mounting holes  121  equiangularly spaced around the periphery. The hollow rounded bottom cover shell  13  is covered over the bottom side of the mounting disk  11 , having a plurality of mounting holes  131  equiangularly spaced around the periphery and respectively fastened to the mounting holes  121  at the annular rotary shell  12 , a flat base  132 , a bottom recess  133  at the flat base  132  for receiving the display device  3 , a locating groove  134  provided at the flat base  132  and extended from one side of the bottom recess  133 , two pivot holes  135  at two opposite vertical side walls of the locating groove  134 , a notch  136  at one side of the bottom recess  133  opposite to the locating groove  134 , and a quick release hook  137  provided at the flat base  132  adjacent to the notch  136 . 
     The display holder frame  2  is made of tubular members connected into shape, having one end (the fixed end) pivoted to the pivot holes  135  by pivot means. When the display holder frame  2  is turned inwards and closely attached to the bottom cover shell  13 , the opposite end (free end) of the display holder frame  2  is received in the notch  136  and retained in place by the quick release hook  137 . When the quick release hook  137  is depressed, the free end of the display holder frame  2  is released, enabling the display holder frame  2  to be turned outwards from the flat base  132  of the bottom cover shell  13 . Further, Friction means is provided in the connection area between the fixed end of the display holder frame  2  and the pivot holes  135  of the bottom cover shell  13  so that the display holder frame  2  can firmly retained at the desired angle after its adjustment. 
     The video display device  3  comprises a casing  31 , and a display panel  32  mounted within the casing  31 . The size of the casing  31  fits the bottom recess  133  of the bottom cover shell  13 . The casing  31  has a recessed mounting portion  311  pivoted to the free end of the display holder frame  2 . Further, Friction means is provided in the connection area between the video display device  3  and the display holder frame  2  so that the video display device  3  can firmly retained at the desired angle relative to the display holder frame  2 . 
     When the angle/direction adjustable display device is assembled, the electric wire of the video display device  3  is inserted through the tubular members of the display holder frame  2  and then connected to the power circuit of the motor vehicle. 
     When in use, as shown in FIGS. 3 and 4, the display holder frame  2  is turned outwards from the flat base  132 , the video display device  3  is turned to the desired angle relative to the display holder frame  2 , and the bottom cover shell  13  is rotated with the annular rotary shell  12  on the mounting disk  11  to move the display holder frame  2  and the video display device  3  to the desired direction. 
     While only one embodiment of the present invention has been shown and described, it will be understood that various modifications and changes could be made thereunto without departing from the spirit and scope of the invention disclosed.