Conveyors: power-driven – Conveyor section – Pusher conveyor and separate load support surface
Reexamination Certificate
2001-12-11
2003-10-21
Ellis, Christopher P. (Department: 3651)
Conveyors: power-driven
Conveyor section
Pusher conveyor and separate load support surface
Reexamination Certificate
active
06634487
ABSTRACT:
FIELD OF THE INVENTION
WO 96/41760 discloses a conveying apparatus for products which are provided in lumps. Said apparatus comprises two parallel, endless conveying chains which are driven via separate motors. Drivers protrude from the conveying chains at regular distances over just part of their length.
BACKGROUND OF THE INVENTION
U.S. Pat. No. 5,937,620 describes a further conveying apparatus. Said apparatus is used for conveying and filling boxes with a group of cans. The apparatus has two endless conveying chains which circulate in a vertical plane about a respective driving wheel and a deflecting wheel and from which drivers protrude at a regular distance. The drivers push the boxes in front of them. In operation, the two chains are driven in synchronism. In order to be able to adapt the apparatus to other lengths of box, one driving wheel can be rotated at an angle with respect to the other.
SUMMARY OF THE INVENTION
It is an object of the invention to specify an apparatus with which containers can be transported from an input station in groups to a loading station, in which they are made ready in a precise position and are filled. This object is achieved by the features of the independent claims.
REFERENCES:
patent: 898250 (1908-09-01), Mitchell
patent: 1840410 (1932-01-01), Robinson
patent: 2840224 (1958-06-01), Lefief
patent: 3325977 (1967-06-01), Kristen
patent: 3452855 (1969-07-01), Baker
patent: 5143204 (1992-09-01), Owen et al.
patent: 5823318 (1998-10-01), Baur et al.
patent: 5937620 (1999-08-01), Chalendar
patent: 6497320 (2002-12-01), Kondo et al.
patent: 41 14 553 (1992-11-01), None
patent: WO 96/41760 (1996-12-01), None
European Search Report.
Frank Alexander
Ritter Raimund
Ellis Christopher P.
Ridley Richard
SIG Pack Systems AG
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