| 摘要 |
A mobile, radiographic unit which includes a wheel mounted base assembly. A roll bar assembly and at least one leg extension member are connected to the base. A vertical column is disposed on the base and a carriage assembly travels along the column length. Arm extension members extend outward from the carriage with a radiographic head being connected to the arm extensions by a disconnect assembly. Separate means are employed for maintaining the carriage assembly in a selected position relative to the column and maintaining the arm extension members in selected position relative to the carriage assembly.
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