| 摘要 |
THE UTILITV MODEL RELATES TO A VERTICAL FRICTION ROLLER BED, THE STRUCTURE OF WHICH IS AS FOLLOWS: A MOTOR-DRIVEN OUTPUT SHAFT IS CONNECTED TO THE FRICTION ROLLER; THE MOTOR BASE IS CONNECTED WITH A SPRING; THE LEFT GUIDE ROLLER ASSEMBLY IS MOUNTED ON THE LEFT BRACKET, AND THE RIGHT GUIDE ROLLER ASSEMBLY IS MOUNTED ON THE RIGHT BRACKET; THE BOTTOM OF THE LEFT AND RIGHT BRACKETS IS CONNECTED TO A RACK AT A CERTAIN DISTANCE; RACKS ARE CONNECTED WITH ADJUSTING LEGS. |
