Clamping ring for removable covers of drums

B - Operations – Transporting – 65 – D

Patent

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206/71

B65D 45/34 (2006.01)

Patent

CA 1080155

IMPROVED CLAMPING RING FOR REMOVABLE COVERS OF DRUMS ABSTRACT OF THE DISCLOSURE A clamping ring for securing a removable cover on a drum isprovided with a closing device having a lever and a latch. The lever is pivotal in a plane parallel to that of the clamping ring from an outwardly extending open position inwardly to contract the ring into a closed position. The latch is pivoted downwardly until its latch finger extends through a slot in the lever finger to place the clamping ring in a sealed position. This sealed position is accomplished by means of a primary lock caused by the interengagement of a hook-tang on the latch finger and bottom surfaces of the lever finger adjacent the slot. A secondary lock is formed by the interengagement of an inwardly projecting tang on the latch finger which also engages with sur- faces of the lever finger adjacent the slot. -1-

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