Patent ID: 9278040
Filing Date: 2016-03-08
CPC Classification: A61G,B62B,G06F

Claim Text:
1. A medical cart comprising: a cart body; a top platform; and a mechatronics unit including an elevating device that is mounted on said cart body for supporting said top platform above said cart body and that is operable to move said top platform upwardly and downwardly with respect to said cart body, said elevating device including a sleeve mounted on said cart body and having a threaded inner surface, a screw rod extending through said sleeve and engaging threadedly said threaded inner surface, a first motor connected to said screw rod, and operable to drive said screw rod to rotate and move with respect to said sleeve, said top platform being driven by said screw rod to move upwardly and downwardly with respect to said cart body, a first motor driving module electrically connected to said first motor, and operable to output a first driving signal thereto for driving operation of said first motor, and a first control module electrically connected to said first motor driving module, and operable to control operation of said first motor driving module to output the first driving signal in response to user input of one of a lifting signal and a lowering signal that are indicative of upward movement and downward movement of said top platform, respectively; wherein said first control module is operable to output a first control signal and a second control signal for controlling said first motor driving module, said first motor driving module including: