Patent ID: 6182417
Filing Date: 2001-02-06
Classification: B31B

Abstract:
An angular bearing drive for package gussetting comprising:a spline shaft having a key groove therein,a cylindrical hub having an angled bore therethrough and a key groove in the angled bore, the cylindrical hub inserted on the spline shaft,a key for inserting in the key groove of the spline and the key groove of the cylindrical hub to connect them wherein the cylindrical hub surface pitches and yaws relative to the axis of the spline shaft as the spline shaft rotates, due to the angled bore in the cylindrical hub,a hub housing encasing the cylindrical hub surface such that the housing is driven with a pitch and yaw motion about the spline shaft axis by the cylindrical hub,a stub shaft on the hub housing,a bracket adjacent the hub housing and having a first aperture perpendicular to the axis of the spline shaft for receiving the stub shaft of the hub housing such that the hub housing pivots in the pitch direction relative the spline shaft axis,a second aperture in the bracket, perpendicular to the axis of the spline shaft and perpendicular to the first aperture,a pivot block having a stub shaft for engaging the second aperture in the bracket such that the bracket pivots in the yaw direction relative the spline shaft axis, due to the motion of the surface of the cylindrical hub,a gussetting arm having a gussetting finger, the gussetting arm attached to the bracket for swinging the gus setting arm back and forth as the spline shaft rotates such that the gussetting finger engages a wrapper during a packaging operation.