Importance

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Abstract

A packaging machine places cartons on an carton conveyor in an inverted-T configuration with the panels of the carton being generally horizontal and the walls of the carton collapsed together in a generally vertical orientation. An overhead assembly has carrier assemblies for picking up the cartons, opening the cartons, and lowering the cartons onto article groups. Each carrier assembly has a pair of opening members with protruding fingers for insertion within cut-outs formed in the cartons. After a carrier assembly has engaged a carton in an inverted-T configuration, one of the opening members in the carrier assembly is moved away from the other opening member, thereby opening the carton. Each carrier assembly has cam followers which travel within three cam plates, one for controlling an orientation of the carrier assembly, one for supporting the carrier assembly, and one for opening and closing the opening members. The overhead assembly is substantially located on only one side of the articles and cartons and thus provides easy access for repairs, maintenance, or removal of article or cartons jams. The packaging machine can package articles of various sizes and configurations into various types of cartons. In general, the packaging machine can package articles into any type of carton having panels opposite each other which may be engaged and lowered onto an article group. The packaging machine can also operate at fairly high speeds since cartons are positively and quickly opened by the movement of the opening members.

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First Claim