Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1987-11-09
1989-01-17
Petrakes, John
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242 685, 242 718, 242 783, B65H 7528, B65H 7518
Patent
active
047983523
ABSTRACT:
In a preferred embodiment, there is a film reel having a film-threadable film-retaining core, the core containing a free-space for threading a mounting-end of a film to be wound on the reel, and across at least a portion of the core's free space there being a floor mounting the outer reel structure onto the inner core structure that is mountable on a driving spindle, with spaced-apart posts extending upwardly from the floor and the posts being spaced from each of the mounting spaces inside core walls and the space's inside surface of the outside walls of the core, with each of the posts anchored by an anchoring structure connected to the core's inside core structure, the upwardly extending posts having a large exagerated arcuate surface providing a large surface area for contact with film threaded thereagainst. The spindle-mounting structure of the reel's core optionally may include a key-space formed by the inner core spindle-mounting structure. In preferred embodiments, the key-mounting structure extends into a space forming at least one of the connecting structures supporting one of the spaced-apart posts.
REFERENCES:
patent: 2954941 (1960-10-01), Hultgren
patent: 3357653 (1967-12-01), Otsuka
patent: 3361380 (1968-01-01), Mizutani
patent: 3648944 (1972-03-01), Fujiwaka et al.
patent: 3675869 (1972-07-01), Grant
patent: 3743204 (1973-07-01), Hertel
patent: 3982709 (1976-09-01), Hertel
patent: 4540134 (1985-09-01), Schankler
patent: 4629140 (1986-12-01), LaCasse
Naso Frank
Naso Michael
Hough William T.
Petrakes John
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