Thread storage and dispensing system

Details Thread storage and dispensing system Thread storage and dispensing system

B - Operations, Transporting

65

H

219/14

B65H 75/08 (2006.01) B26D 1/02 (2006.01) B65H 55/00 (2006.01)

Patent

CA 1074268

THREAD STORAGE AND DISPENSING SYSTEM Abstract of Disclosure A spool of thread, such as dental floss, is housed in a two-part shell or holder, preferably made of plastic. In one embodiment, the top of the upper shell part includes at least one finger which depends far enough to drag, with pre- determined friction, against the top of the spool. In another embodiment, the thread or floss is wound on a bobbin having a clutch molded in its hub area. The clutch comprises a split cylinder having a generally C-shaped cross section with three equally spaced ribs running along the inter- nal length thereof. The C-shape of the split cylinder embraces the central post and the surfaces of the three ribs provide areas for friction gripping the central post. In both embodi- ments, the friction keeps the bobbin from unwinding; however, the friction is not so great that it keeps the thread or floss from pulling smoothly and evenly from the bobbin.

312269

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