(57) A machine for the finishing of metal pieces which consists of a number of rectilineal
cradle shaped vibrating units quipped with slides or casters or wheels to enable the
units to move along two or more parallel metal guides or rails which constitute the
work run of the machine; of two or more translating conveyor belts which move transversally
to the movement of the vibrating units along the work run and which move the units
from one guide to the other at the end of each work run; of a charging station for
the pieces to be processed, placed at the start of the work run; of a discharge station
for the contents of the units, placed at the end of the work run; of one or more work
stations used for the processing of the pieces contained in the units and situated
along the work run and of adjustable controls for the progress of the abovementioned
units along the aforementioned guides.
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