B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
183/83
B01D 46/02 (2006.01) B65H 75/48 (2006.01)
Patent
CA 1164361
Abstract of the Disclosure A tensioning device is disclosed for maintaining proper tension of a filter bag assembly. The device includes a rotationally mounted cam, a torsion spring urging the cam to rotate in one direction, and a cable trained around the cam opposing the force exerted by the spring. Due to the shape of the cam, the cable force may be exerted at continuously varying distances from the axis of rotation of the cam. The spring, cam, and cable are arranged such that when the spring exerts a relatively high force on the cam, the cable force is exerted a further distance from the axis than when the cam is in a rotational position such that spring force is relatively low. A substantially constant cable force is accordingly exerted. The device is secured between the filter bag and a supporting structure of a baghouse. Constant tension is main- tained even if the bag changes in length as the varying spring force is compensated by the cable acting upon the cam at different points.
410067
Albany International Corp.
Swabey Ogilvy Renault
LandOfFree
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