Patent ID: 8220225
Filing Date: 2012-07-17
Classification: B67B,Y10T

Abstract:
1. A capping chuck assembly, comprising: a central guide disc; a plurality of circumferentially spaced gripper segments mounted on said central guide disc for rotation therewith, said gripper segments being individually movable generally radially of said central guide disc, and each having an inner jaw portion for engagement with an associated closure, and an outer cam surface; and an outer chuck housing within which said central guide disc and said plurality of gripper segments are positioned, said chuck housing having an inwardly facing surface defining a plurality of circumferentially spaced cam drive surfaces positioned for respective engagement with the outer cam surfaces of said gripper segments, so that attendant to rotational drive of said outer chuck housing, said cam drive surfaces collectively drive the outer cam surfaces of said gripper segments to drive said central guide disc and said gripper segments together with said outer chuck housing and to urge said segments into engagement with the associated closure, including a biasing element for collectively urging said gripper segments inwardly of said central guide disc into engagement with the associated closure.