Patent · US Expired

Apparatus and method for stacking

US5040663A · kind A · utility

21Cited by
8References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 29, 1989
Grant dateAug 20, 1991
Priority date
Expiry dateSep 29, 2009

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65H2701/1924
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

Apparatus and method for stacking product such as flexible paper towels including a slotted wheel in combination with at least two endless chain conveyors equipped with finger assemblies which are orbitally offset so that while one finger assembly of one chain conveyor is accumulating a plurality of substacks, a first finger assembly of the other chain conveyor is being readied to take over the development of a successive stack, and programmable servo motor associated with the chain conveyors for varying the finger assembly advance during different portions of the orbital movement of the finger assemblies.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.