Patent ID: 6203004
Filing Date: 2001-03-20
Classification: B65B,B65H

Abstract:
A device for feeding blanks on a packing machine, the device comprising a pickup station having a stop means; a powered conveyor for feeding a succession of said blanks to the pickup station and along a given horizontal path; pickup means located at said pickup station to withdraw an end blank contacting said stop means; a force sensor connected to said stop means to determine a value of a thrust exerted by said blanks on said stop means; and control means connected to said force sensor and to said conveyor to maintain said thrust constant by regulating a traveling speed of said conveyor; the device being characterized in that said stop means comprises a stop surface defined by a frame having a withdrawal opening closed partly by fixed teeth; said frame being mounted movably in an adjusting direction substantially parallel to said path and in opposition to said force sensor.