Apparatus for rotating cylindrical caps onto containers

摘要

This invention relates to an apparatus for rotating cylindrical downwardly facing threaded caps onto upwardly facing, threaded open ends of containers primarily for use in container capping machines. The apparatus comprises at least one spindle assembly slideably carried by a support frame for movement generally parallel to the vertical axis of the spindle assembly, the weight of the spindle assembly causing the downward movement of the spindle assembly, structure carried by the support frame for controlling the vertical movement of the spindle assembly, and a selectively adjustable device for resiliently urging the spindle assembly upwardly so that the device at least partially supports the weight of the spindle assembly and the container is engaged by a cap with less than the full weight of the spindle assembly pressing downwardly on the container.