Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1999-11-23
2000-07-18
Walsh, Donald P.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
2421186, B65H 7514, B65H 7518
Patent
active
060895004
ABSTRACT:
A winding spool, includes a hollow barrel having at least one flange which is detachable mounted to one end of the barrel by means of a bayonet coupling which includes a plurality of locking elements and retaining elements connected to the barrel end and an inside wall of the flange, respectively, and so interacting with one another that the flange can be attached to the barrel end and secured thereto by twisting the flange relative to the barrel until reaching a stop constituting a lock position of the bayonet coupling. The retaining elements and the locking elements are formed with bores which are in alignment when the bayonet coupling occupies the lock position. In alignment of the bores, a plug member can be inserted in axial direction of the spool to thereby realize a securement of the lock position of the bayonet coupling.
REFERENCES:
patent: 2126993 (1938-08-01), Howsam
patent: 2691491 (1954-10-01), Thalhammer
patent: 2744694 (1956-05-01), Murray
patent: 2846160 (1958-08-01), Thomason
patent: 4289282 (1981-09-01), Kohno
patent: 5114089 (1992-05-01), Posso
patent: 5593108 (1997-01-01), Eck et al.
patent: 5911378 (1999-06-01), Plestan
Feiereisen Henry M.
Hafner & Krullmann GmbH
Walsh Donald P.
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