Patent ID: 6695124
Filing Date: 2004-02-24
Classification: B65B,B65G

Abstract:
In a chamber-type vacuum packing machine having an elongated table presenting a package sealing station, a chamber lid shiftable between an open position spaced from said table and a closed, package-sealing position adjacent the package sealing station of said table, said lid presenting opposed, fore and aft extending sidewalls and transverse front and rear walls extending between said sidewalls, a vacuumization assembly for drawing a package-evacuating vacuum within the lid in the closed position thereof, and a sealing device for package sealing, the improvement which comprises:a continuous shiftable conveyor belt extending along the length of said table and having an upper run and a lower run, said belt presenting a width with opposed side margins; and a belt supporting and shifting assembly supporting said belt with both said upper and lower runs located atop said table and operable for shifting of the belt so that the upper run thereof may be selectively moved into and out of said package sealing station, said lid sidewalls being spaced apart a distance greater than said belt width so that, when said lid is in said package-sealing position thereof, each of said sidewalls are outboard of the adjacent belt side margin and said front and rear walls come into sealing engagement with said upper run.