Knock down spool

Details Knock down spool Knock down spool

1989-05-18

1990-12-11

Levy, Stuart S.

Winding, tensioning, or guiding

Bobbin or spool

Double-headed spool

242116, 2421186, 2421187, 2421184, B65H 7522

Patent

active

049764756

ABSTRACT:
A knock down spool includes a substantially cylindrical central member and radially projecting end flanges connected therewith. The central member comprises at least two sections releasably connected with each other in a substantially axial plane. The central member is at its end portions provided with peripheral grooves releasably engaged by engagement portions of the end flanges for maintaining a position in which the end flanges enclose and keep together the sections of the central member.

REFERENCES:
patent: 2374736 (1943-11-01), Cunningham
patent: 2605980 (1947-12-01), Atwood et al.
patent: 2957642 (1960-10-01), Benoit
patent: 3822841 (1974-07-01), Campbell
patent: 3934767 (1976-01-01), Jones
patent: 3940085 (1976-02-01), Campbell
patent: 3970267 (1976-07-01), Sheetz
patent: 4412661 (1983-11-01), Wise et al.
patent: 4471919 (1984-09-01), Leunig

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