Package making – Closing packages and filled receptacles – Separate closure applying
Patent
1997-09-17
1999-09-07
Moon, Daniel B.
Package making
Closing packages and filled receptacles
Separate closure applying
53287, B06B 728
Patent
active
059468866
ABSTRACT:
Systems are provided whereby a container lid may be transferred from a supply stack and be repositioned relative to an awaiting container using a substantially constant-rate reciprocal drive. The systems most preferably include a reciprocally displaceable mounting block carrying a rotatable transfer arm. The transfer arm, in turn, carries a pick-up head so that the pick-up head is rotatable with the transfer arm. The pick-up head rotation is controlled by a rack-and-pinion mechanical control assembly having a pair of opposed compression springs, a gear rack mounted between the opposed compression springs, and a pinion gear meshed with the gear rack and connected to the transfer arm. The gear rack includes a control rod which is slidably coupled to the mounting block during reciprocal displacements thereof. However, the mounting block will come into contact with travel limit stops provided at each end of the control rod so that during the final travel of the mounting block during its reciprocal movement, the mounting block and gear block will be locked as a unit and be displaced against the bias force of one of the springs.
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Moon Daniel B.
Sweetheart Cup
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