Drum for receiving a rope

B - Operations – Transporting – 66 – D

Patent

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B66D 1/30 (2006.01) B21D 15/04 (2006.01) B21D 22/18 (2006.01) B65H 75/26 (2006.01) E05D 13/00 (2006.01) E06B 9/60 (2006.01)

Patent

CA 2008302

DRUM FOR RECEIVING A ROPE A b s t r a c t A drum for receiving a rope, particularly in conjunction with the moving of a doorblade, which drum has formed on its casing outer surface a guide groove proceeding like a screw in the drum circumferential and axial direction , the wound-up rope being received in this guide groove so as to be guided in a single layer, and the said guide groove being deviced for simple and inexpensive manufacture in a manner such that at least the casing wall consists of sheet metal into which the guide groove is impressed, namely as a whole manufactured by means of flow deformation.

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