Conveyors: power-driven – Conveyor for changing attitude of item relative to conveyed... – By conveyor and means driven for turning successive conveyed...
Patent
1977-07-05
1978-10-31
Blunk, Evon C.
Conveyors: power-driven
Conveyor for changing attitude of item relative to conveyed...
By conveyor and means driven for turning successive conveyed...
198416, B65G 4724
Patent
active
041229380
ABSTRACT:
An apparatus for toppling conveyed articles of rectangular outline (having opposite long sides and opposite short sides) has a travel surface; a discontinuity in the travel surface; first carrier elements traveling at a distance above and along the travel surface for advancing the articles by sliding them, on one of their short sides, on the travel surface up to the discontinuity and for advancing the articles by sliding them on one of their long sides, on the travel surface downstream of the discontinuity; and at least one second carrier element which is driven in a closed path and which engages the conveyed article or article stack as the latter reaches the discontinuity in the travel surface. The speed of the second carrier element is, in the direction of article advance, greater than the speed of the first carrier elements; thus the second carrier element takes over the conveyance of the article in the zone of the discontinuity and effects, in cooperation with the discontinuity, a toppling of the article from its upright position to a lying position in which the article engages the travel surface with one of the long sides downstream of the discontinuity, where the first carrier elements take over the conveyance of the articles. The second carrier element, at least during that portion of the closed path during which it engages the article, is located at a greater distance above the travel surface than the first carrier elements.
REFERENCES:
patent: 1876847 (1932-09-01), Brubaker et al.
patent: 2005629 (1935-06-01), Marsden
patent: 2370325 (1945-02-01), Ranney
patent: 2508368 (1950-05-01), Borkmann
patent: 2531640 (1950-11-01), Oberstar
patent: 3306424 (1967-02-01), Fahrenbach
patent: 3483668 (1969-12-01), Frost et al.
patent: 3602358 (1971-08-01), Jakobsson
Glauser Fritz
Walz Theo
Blunk Evon C.
S I G Schweizerische Industrie-Gesellschaft
Thomson Richard K.
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