B - Operations – Transporting – 61 – B
Patent
B - Operations, Transporting
61
B
B61B 3/02 (2006.01) B65G 19/02 (2006.01) B65G 23/30 (2006.01) B65G 47/51 (2006.01) B65H 29/02 (2006.01)
Patent
CA 2331246
In an adjustment zone (B), the spacings between objects, which are conveyed by in- dependently movable holding elements (2) along a rail track (1) are e.g. for a proc- essing operation adjusted to a predefined value larger than the minimum spacing. To achieve this, a continuously circulating and compressible, adjusting chain (5) running in a circulating track is provided, which adjusting chain (5) is elongatable in a con- trolled manner. The circulating track extends at least in the adjustment zone (B) par- allel to the rail track (1) such that the adjusting chain is in engagement with holding elements (2) conveyed along the rail track (1). Furthermore, control means for ad- justing a predefined compression of the adjusting chain (5) are provided in the ad- justment zone (B). The adjusting chain (5) comprises e.g. chain links (6) joined to- gether in an articulated manner. Assigned to every second articulated joint of chain links (6) are guide rollers (7.1) rolling in a circular guideway (8) and drivers for driving holding elements (2), and assigned to the other articulated joints are control rollers (12) rolling along a cam (11) which serves as control means. The distance between the circular guideway (8) and the cam (11) determines compression of the adjusting chain (5) and therefore the spacing between the holding elements (2) in the adjustment zone (B). The device is suitable in particular for adjusting spacings be- tween holding elements greater than the minimum spacings as established between holding elements being conveyed in a pushed manner, wherein the holding elements are pushed and the adjusting chain (5) is circulating passively. (Figure 1)
Ferag Ag
Freedman Gordon
LandOfFree
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