B - Operations – Transporting – 65 – G
Patent
B - Operations, Transporting
65
G
B65G 59/04 (2006.01) B65H 3/08 (2006.01) B65H 7/14 (2006.01)
Patent
CA 2639134
The invention concerns an apparatus for transferring sheet-like objects (11, 12) from a stack, said apparatus including separate lifting elements (8) gripping by suction to the upper surface of the sheet-like object (11, 12) to be transferred, positioned in a row extending over the stack of the sheet-like objects in transversal direction with respect to the forward direction of the sheet-like object, and transfer elements (14) for transferring the lifted sheet-like object. The suction effect of the lifting elements (8) is individually controlled by means of a control device including a light source (2) making a substantially line-shaped illumination pattern (13). The illumination of the light source is focused at an inclined angle to the surface of the sheet stack, substantially parallel to the lifting element row. The camera means (1) for observing the illumination pattern forwards information about the uniformity of the uppermost layer of the stack.
Marks & Clerk
Raute Oyj
LandOfFree
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