Gripping device for holding receptacles at cap screwing station in packaging machine, has drive plate which faces opening actuating roller and closing actuating roller supported by stationary frame

摘要

A locking cam (10) eccentrically pivots about an axis (11) constrained to move with a rotary platform such that the locking cam acts on the control arm (7) of a jaw (5). The locking cam includes a drive plate (12) which faces an opening actuating roller (13) and a closing actuating roller (14) supported by a stationary frame.