Operating wheel of a product packing machine

Details Operating wheel of a product packing machine Operating wheel of a product packing machine

2005-09-20

2005-09-20

Huynh, Louis (Department: 3721)

Package making

Interrelated or safety controls

C053S232000, C053S234000

Reexamination Certificate

active

06945009

ABSTRACT:
An operating wheel of a packing machine comprises an annular drum, a number of through pockets carried by the annular drum and each for receiving a respective product, a first drive for rotating the annular drum in steps to feed the pockets along an annular path extending through a loading station and an unloading station, first and second pusher for engaging respective pockets at the loading station and the unloading station respectively, a second electric drive for imparting to the pushers respective substantially radial reciprocating movements to and from respective withdrawn rest positions inside the annular drum and through the respective pockets, a first safety device for preventing the annular drum from rotating when at least one of the pushers engages a respective pocket, and a second safety device for preventing the pushers from moving from the respective withdrawn positions when the annular drum is rotating.

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