LCD Panel Repair Cart

Abstract

Provided is an LCD panel repair cart for handling an LCD panel, including a top workbench, a first slidable board, and a second slidable board. The first slidable board is disposed substantially in parallel a first vertical interval below the top workbench. The first slidable board has slidable positions between a first position and a second position. Substantial portion of the first slidable board is retracted under the top workbench when the first slidable board is at the first position. Substantial portion of the first slidable board is exposed beside the top workbench the first vertical interval below the top workbench when the first slidable board is at the second position. The first slidable board is slid smoothly between the first position and the second position.

1 . An LCD panel repair cart for handling an LCD panel comprising:
 a top workbench;   a first slidable board disposed substantially in parallel a first vertical interval below the top workbench, wherein the first slidable board has slidable positions between a first position and a second position, wherein substantial portion of the first slidable board is retracted under the top workbench when the first slidable board is at the first position, and substantial portion of the first slidable board is exposed beside the top workbench the first vertical interval below the top workbench when the first slidable board is at the second position, and wherein the first slidable board is slid smoothly between the first position and the second position; and   a second slidable board disposed substantially in parallel a second vertical interval below the first slidable board, wherein the second slidable board has slidable positions between a third position and a fourth position, wherein substantial portion of the second slidable board is retracted under the first slidable board when the second slidable board is at the third position, and substantial portion of the second slidable board is exposed beside the top workbench sum of the first and second vertical intervals below the top workbench when the second slidable board is at the fourth position, and wherein the second slidable board is slid smoothly between the third position and the fourth position.   
     
     
         2 . The cart of  claim 1 , wherein the top workbench comprises a dust-free pad. 
     
     
         3 . The cart of  claim 2 , wherein the dust-free pad comprises urethane. 
     
     
         4 . The cart of  claim 1 , wherein the first slidable board comprises:
 a front bar configured to be aligned with a front edge of the top workbench when the first slidable board is at the first position and aligned with the second position when the first slidable board is at the second position;   a rear bar configured to be aligned with a rear edge of the top workbench when the first slidable board is at the first position and aligned with the front edge of the top workbench when the first slidable board is at the second position;   two side bars, each of which engaging an end of the front bar and an end of the rear bar, forming a rectangular frame; and   one or more middle bars, disposed in parallel with the front bar, engaging the two side bars.   
     
     
         5 . The cart of  claim 4 , further comprising:
 four vertical bars configured for supporting the top workbench and the first and second slidable board;   two first guiding rails, each being disposed between two side vertical bars, such that the first slidable board is slidably engaged with the two first guiding rails; and   two second guiding rails, each being disposed between two side vertical bars, such that the second slidable board is slidably engaged with the two second guiding rails.   
     
     
         6 . The cart of  claim 5 , wherein each of the two first guiding rails comprises:
 an extending arm configured to extend to the first position when the first slidable board is at the second position; and   a limiting arm configured to extend halfway to the first position when the first slidable board is at the second position,   wherein the extending arm is configured to slide against the limiting arm, and wherein the extending arm is latched by the limiting arm when the first slidable board is at the second position.   
     
     
         7 . The cart of  claim 5 , wherein each of the two second guiding rails comprises:
 an extending arm configured to extend to the third position when the second slidable board is at the fourth position; and   a limiting arm configured to extend halfway to the third position when the second slidable board is at the fourth position,   wherein the extending arm is configured to slide against the limiting arm, and wherein the extending arm is latched by the limiting arm when the second slidable board is at the fourth position.   
     
     
         8 . The cart of  claim 1 , wherein the second slidable board comprises:
 a front bar configured to be aligned with a front edge of the top workbench when the second slidable board is at the third position and aligned with the second position when the second slidable board is at the fourth position;   a rear bar configured to be aligned with a rear edge of the top workbench when the second slidable board is at the third position and aligned with the front edge of the top workbench when the second slidable board is at the fourth position;   two side bars, each of which engaging an end of the front bar and an end of the rear bar, forming a rectangular frame; and   one or more middle bars, disposed in parallel with the front bar, engaging the two side bars.   
     
     
         9 . The cart of  claim 8 , further comprising:
 four vertical bars configured for supporting the top workbench and the second slidable board; and   two first guiding rails, each being disposed between two side vertical bars, such that the first slidable board is slidably engaged with the two first guiding rails; and   two second guiding rails, each being disposed between two side vertical bars, such that the second slidable board is slidably engaged with the two second guiding rails.   
     
     
         10 . The cart of  claim 9 , wherein each of the two first guiding rails comprises:
 an extending arm configured to extend to the first position when the first slidable board is at the second position; and   a limiting arm configured to extend halfway to the first position when the first slidable board is at the second position,   wherein the extending arm is configured to slide against the limiting arm, and wherein the extending arm is latched by the limiting arm when the second slidable board is at the second position.   
     
     
         11 . The cart of  claim 9 , wherein each of the two second guiding rails comprises:
 an extending arm configured to extend to the third position when the second slidable board is at the fourth position; and   a limiting arm configured to extend halfway to the third position when the second slidable board is at the fourth position,   wherein the extending arm is configured to slide against the limiting arm, and wherein the extending arm is latched by the limiting arm when the second slidable board is at the fourth position.   
     
     
         12 . The cart of  claim 1 , wherein each front bar of the first and second slidable boards comprises a plurality of handle for initiating sliding. 
     
     
         13 . The cart of  claim 1 , further comprising a plurality of slidable boards under the second slidable board. 
     
     
         14 . The cart of  claim 1 , wherein the first position is different from the second position, and wherein the third position is different from the fourth position. 
     
     
         15 . The cart of  claim 1 , wherein the first position is substantially same as the second position, and wherein the third position is substantially same as the fourth position. 
     
     
         16 . The cart of  claim 15 , wherein the first slidable board is configured to latch at one or more intermediate positions disposed between the first and second positions. 
     
     
         17 . The cart of  claim 16 , wherein the second slidable board is configured to latch at one or more intermediate positions disposed between the third and fourth positions. 
     
     
         18 . The cart of  claim 1 , further comprising a plurality of trolley wheels.