Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1986-05-08
1987-11-17
Kundrat, Andrew V.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242 94, 403175, B65H 7538
Patent
active
047069066
ABSTRACT:
A single body of plastic material has three converging coplanar radial arms and a perpendicular central hole. Each arm has an axial seat with a blind bottom to receive one end of the tubular structure and means for locking said end. The central hole is designed to receive a rotation hub.
REFERENCES:
patent: 2118396 (1938-05-01), Davis et al.
patent: 3321863 (1967-05-01), Maxam, Jr.
patent: 3536275 (1970-10-01), Salomon
Boraso Romeo
Roman Gianfranco
Claber S.p.A.
Kundrat Andrew V.
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