Spool for thread or the like

Details Spool for thread or the like Spool for thread or the like

1977-08-26

1978-08-15

Mautz, George F.

Winding, tensioning, or guiding

Bobbin or spool

Cop-tube type

2421184, 242130, 242134, 242139, B65H 7512, B65H 4936

Patent

active

041067231

ABSTRACT:
A spool for thread or the like is provided with means for locking or securing the spool in position over a spindle. The spool may be of the type having a base member and a substantially cylindrical portion in which the thread may be taken from the spool in a direction substantially parallel to the spool axis. A locking means is provided to prevent spool jumping when the thread on the spool is partially removed making the spool with the remaining thread thereon lighter. In one embodiment, radial score marks, indentations or grooves are formed in a thin membrane section of the spool formed across the bore of the spool. The spool is designed so that the thin membrane will break along the radial score marks when placed over the spindle with the inwardly pointing ends of the thin membrane engaging the spindle thereby holding the spool down. In another embodiment, an adhesive is provided on the bottom of the base portion of the spool to temporarily fasten the spool to the thread stand plate.

REFERENCES:
patent: 2347376 (1944-04-01), Steinhilber
patent: 3176932 (1965-04-01), Kovaleski

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