Material or article handling – Apparatus for moving intersupporting articles into – within,... – Stack forming apparatus
Reexamination Certificate
1999-01-15
2001-08-28
Fischetti, Joseph A. (Department: 3652)
Material or article handling
Apparatus for moving intersupporting articles into, within,...
Stack forming apparatus
C414S790500, C414S795400
Reexamination Certificate
active
06280137
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to an apparatus for transporting rows of products, for instance green bricks or dried bricks for the brick manufacturing industry.
2. Description of the Prior Art
Such an apparatus is known and is marketed by applicant himself. The known apparatus is specially developed for the brick manufacturing industry and is utilized for transport of dried bricks to a kiln for further firing thereof. A lift provides for a supply of drying plates which function as carriers for the rows of bricks the drying plates are moved in a first transporting direction using first transport means. Sliding means are provided for sliding the rows of bricks off the drying plates in a second transporting direction transversely of the first transporting direction for further transport of the bricks using second transport means.
It has been found in practice that sliding the rows of bricks off the drying plates causes considerable noise nuisance and raises a great deal of dust. Shifting of the bricks in lengthwise direction over the drying plates moreover speeds up wear of the drying plates considerably.
The invention has for its object to provide an apparatus for transporting rows of products which obviates said drawbacks.
SUMMARY OF THE INVENTION
For this purpose the apparatus according to the invention has the feature that the distance between adjacent carriers during at least a part of the transport is smaller than the dimensions of the products as seen in the first transporting direction; and further:
that the sliding means are adapted to displace the rows of products substantially parallel to the first transporting direction such that a row of displaced products rests on two adjacent carriers; and
that the second transport means are adapted to lift the displaced rows of products from the carriers.
The apparatus according to the invention is generally very suitable for transport of all kinds of products in two different transporting directions, wherein sliding of products over the carriers must be avoided as far as possible.
In a first preferred embodiment the second transport means are disposed movably between the carriers. The second transport means preferably include at least one endless conveyor belt which, with the end thereof co-acting with the first transport means, is deployed for substantially vertical movement between the carriers. With this preferred embodiment factory space is utilized as efficiently as possible.
In a further preferred embodiment the sliding means and/or the second transport means are coupled to the first transport means by means of a positive mechanical coupling. This provides the option of controlling the whole apparatus using one control unit, for instance a PLC control unit.
Spreading means are preferably provided for placing adjacent carriers with products at a predetermined mutual distance, this distance being smaller than the dimensions of the products as seen in the first transporting direction. The spreading means are preferably also coupled to the first transport means by means of a positive mechanical coupling.
Further advantageous embodiments are described with reference to the drawings.
REFERENCES:
patent: 3528576 (1970-09-01), Runyan et al.
patent: 3599805 (1971-08-01), Spencer
patent: 4121723 (1978-10-01), Nellen et al.
patent: 4953687 (1990-09-01), Gazzarrini
patent: 5707204 (1998-01-01), Haase
patent: 2170045 (1973-09-01), None
patent: 7902931 (1980-07-01), None
Beheermaatschappij De Boer Nijmegen B.V.
Fischetti Joseph A.
Webb Ziesenheim & Logsdon Orkin & Hanson, P.C.
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