Car seat head rest with built-in screen

Abstract

A car seat head rest, which is adapted for mounting on a car seat having two spaced apart retention slots, includes a head pillow, a display screen supported at the rear side of the head pillow, and an adjustable mounting arrangement including a length-adjustable sliding guider longitudinally supported within the interior cavity of the head pillow, a supporting frame having two overlapped sliding panels and two supporting arms downwardly and parallelly extended from the sliding panels respectively through the bottom side of the head pillow to define an engaging distance between the two supporting arms, and an adjuster provided at the sliding guider to control a length of the sliding guider so as to selectively adjust the engaging distance of the supporting arms for slidably engaging with the two retention slots respectively so as to securely support the head pillow on the car seat.

1 . A car seat head rest for mounting on a car seat having two spaced apart retention slots, comprising:
 a head pillow having a rear side, a bottom side and an interior cavity;   a display screen supported at said rear side of said head pillow; and   an adjustable mounting arrangement, which comprises:   a length-adjustable sliding guider longitudinally supported within said interior cavity of said head pillow;   a supporting frame, which is coupled with said sliding guider, comprising two overlapped sliding panels supported in said interior cavity of said head pillow in a slidably movable manner and two supporting arms downwardly and parallelly extended from said sliding panels respectively through said bottom side of said head pillow to define an engaging distance between said two supporting arms; and   an adjuster provided at said sliding guider to control a length of said sliding guider so as to selectively adjust said engaging distance of said supporting arms, wherein when said engaging distance of said supporting arms is adjusted corresponding to a distance between said two retention slots of said car seat, said two supporting arms are adapted for slidably engaging with said two retention slots respectively so as to securely support said head pillow on said car seat.   
     
     
         2 . The car seat head rest, as recited in  claim 1 , wherein said sliding guider comprises a control sleeve having two side opening ends and two sliding shafts slidably engaging with said control sleeve at a position that inner ends of said sliding shafts are coaxially and slidably engaging with said side opening ends of said control sleeve respectively while outer ends of said sliding shafts are coupled with said sliding panels respectively in such a manner that when said inner ends of said two sliding shafts are coaxially slid within side opening ends of said control sleeve respectively, said supporting arms are correspondingly moved through said sliding panels to control said engaging distance between said two supporting arms. 
     
     
         3 . The car seat head rest, as recited in  claim 2 , wherein said control sleeve has two inner thread portions provided at said two opening ends respectively, wherein each of said sliding shafts has an outer threaded portion slidably and rotatably engaging with said corresponding inner thread portion of said control sleeve, such that when said control sleeve is driven to rotate via said adjuster, said sliding shafts are slid correspondingly in a synchronized manner to control said engaging distance between said two supporting arms. 
     
     
         4 . The car seat head rest, as recited in  claim 1 , wherein upper end portions of said supporting arms are pivotally coupling with said sliding panels at two outer sides thereof respectively to selectively adjust a tilt angle of said head pillow with respect to said car seat. 
     
     
         5 . The car seat head rest, as recited in  claim 2 , wherein upper end portions of said supporting arms are pivotally coupling with said sliding panels at two outer sides thereof respectively to selectively adjust a tilt angle of said head pillow with respect to said car seat. 
     
     
         6 . The car seat head rest, as recited in  claim 3 , wherein upper end portions of said supporting arms are pivotally coupling with said sliding panels at two outer sides thereof respectively to selectively adjust a tilt angle of said head pillow with respect to said car seat. 
     
     
         7 . The car seat head rest, as recited in  claim 4 , further comprising an angle hinge for retaining said head pillow at said tilt angle, wherein said angle hinge comprises a hinge base, having a first teething portion, coupling with one of said sliding panels, a folding arm movably coupling with said corresponding sliding panel and having a second teething portion detachably engaging with said first teething portion of said hinge base to retain said sliding panels at said tilt angle, and a resilient element coaxially mounted to said hinge base for applying an urging force against said folding arm such that when said second teething portion of said folding arm is disengaged with said first teething portion of said hinge base, said resilient element applies said urging force to push said head pillow back to an upright position with respect to said car seat. 
     
     
         8 . The car seat head rest, as recited in  claim 5 , further comprising an angle hinge for retaining said head pillow at said tilt angle, wherein said angle hinge comprises a hinge base, having a first teething portion, coupling with one of said sliding panels, a folding arm movably coupling with said corresponding sliding panel and having a second teething portion detachably engaging with said first teething portion of said hinge base to retain said sliding panels at said tilt angle, and a resilient element coaxially mounted to said hinge base for applying an urging force against said folding arm such that when said second teething portion of said folding arm is disengaged with said first teething portion of said hinge base, said resilient element applies said urging force to push said head pillow back to an upright position with respect to said car seat. 
     
     
         9 . The car seat head rest, as recited in  claim 6 , further comprising an angle hinge for retaining said head pillow at said tilt angle, wherein said angle hinge comprises a hinge base, having a first teething portion, coupling with one of said sliding panels, a folding arm movably coupling with said corresponding sliding panel and having a second teething portion detachably engaging with said first teething portion of said hinge base to retain said sliding panels at said tilt angle, and a resilient element coaxially mounted to said hinge base for applying an urging force against said folding arm such that when said second teething portion of said folding arm is disengaged with said first teething portion of said hinge base, said resilient element applies said urging force to push said head pillow back to an upright position with respect to said car seat. 
     
     
         10 . The car seat head rest, as recited in  claim 2 , wherein said supporting frame further comprises a supporting bracket supported in said interior cavity of said head pillow to receive said sliding panels in said supporting bracket, and a holding bracket affixed to said supporting bracket to support said display screen at said rear side of said head pillow. 
     
     
         11 . The car seat head rest, as recited in  claim 3 , wherein said supporting frame further comprises a supporting bracket supported in said interior cavity of said head pillow to receive said sliding panels in said supporting bracket, and a holding bracket affixed to said supporting bracket to support said display screen at said rear side of said head pillow. 
     
     
         12 . The car seat head rest, as recited in  claim 4 , wherein said supporting frame further comprises a supporting bracket supported in said interior cavity of said head pillow to receive said sliding panels in said supporting bracket, and a holding bracket affixed to said supporting bracket to support said display screen at said rear side of said head pillow. 
     
     
         13 . The car seat head rest, as recited in  claim 6 , wherein said supporting frame further comprises a supporting bracket supported in said interior cavity of said head pillow to receive said sliding panels in said supporting bracket, and a holding bracket affixed to said supporting bracket to support said display screen at said rear side of said head pillow. 
     
     
         14 . The car seat head rest, as recited in  claim 7 , wherein said supporting frame further comprises a supporting bracket supported in said interior cavity of said head pillow to receive said sliding panels in said supporting bracket, and a holding bracket affixed to said supporting bracket to support said display screen at said rear side of said head pillow. 
     
     
         15 . The car seat head rest, as recited in  claim 9 , wherein said supporting frame further comprises a supporting bracket supported in said interior cavity of said head pillow to receive said sliding panels in said supporting bracket, and a holding bracket affixed to said supporting bracket to support said display screen at said rear side of said head pillow. 
     
     
         16 . The car seat head rest, as recited in  claim 10 , further comprising an entertainment unit detachably received with said holding bracket, wherein said entertainment unit comprises a disc-media reader electrically linked to said display screen to form a portable media player to detachably supported by said holding bracket at a position that said display screen is supported at said rear side of said head pillow. 
     
     
         17 . The car seat head rest, as recited in  claim 11 , further comprising an entertainment unit detachably received with said holding bracket, wherein said entertainment unit comprises a disc-media reader electrically linked to said display screen to form a portable media player to detachably supported by said holding bracket at a position that said display screen is supported at said rear side of said head pillow. 
     
     
         18 . The car seat head rest, as recited in  claim 12 , wherein said supporting frame further comprises a supporting bracket supported in said interior cavity of said head pillow to receive said sliding panels in said supporting bracket, and a holding bracket affixed to said supporting bracket to support said display screen at said rear side of said head pillow. 
     
     
         19 . The car seat head rest, as recited in  claim 14 , wherein said supporting frame further comprises a supporting bracket supported in said interior cavity of said head pillow to receive said sliding panels in said supporting bracket, and a holding bracket affixed to said supporting bracket to support said display screen at said rear side of said head pillow. 
     
     
         20 . The car seat head rest, as recited in  claim 15 , wherein said supporting frame further comprises a supporting bracket supported in said interior cavity of said head pillow to receive said sliding panels in said supporting bracket, and a holding bracket affixed to said supporting bracket to support said display screen at said rear side of said head pillow.