FIELD: transport, package.
SUBSTANCE: invention relates to take-up spool used in winding material on said spool. Spool consists of axially symmetric tapered case furnished with detachable flange disk with smaller diametre on its end. Flange disk and spool case have annular surfaces on their opposed surfaces. Locking ledges extend from circular surface of one or both parts of spool toward another annular surface. Annular surface of one or both spool parts comprises locking recesses to receive said locking ledges. Note here that locking ledges and recesses can make a bayonet joint by revolving spool case and flange disk. Spool locking recesses comprise spring lugs to engage with locking ledges when spool is locked to prevent unwinding. Spool compress displaceable pressure elements to move spring lugs from engagement with locking ledges. Said pressure elements are made on the ring that revolves about rear surface of spool annular surfaces.
EFFECT: ease of manipulating with spool flange disk.
4 cl, 2 dwg
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