Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1985-10-04
1986-12-16
Jillions, John M.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242 683, 242 685, 242 74, B65H 7514
Patent
active
046291407
ABSTRACT:
A film reel assembly is disclosed which comprises parallel flanges with a cylindrical hollow hub disposed therebetween. The flanges define adjacent their axis of rotation a keyway within which a removable core member may be inserted, the core member defining a bore for the reception of an axis of rotation for the film reel. The core member has a specific cross-sectional configuration and the keyways define an identical and complementary configuration to accept the core member. The core member includes stop members located on one of its radiating arms that retains the core member in position within the keyway. The core member may be removed from the remainder of the film reel and replaced when it is too worn to be serviceable. A further feature of the film reel comprises an arcuate film-retaining slot disposed radially inward of the hub, with tapering periphery to frictionally engage the leading edge of the film strip as it is being initially threaded.
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patent: 3997125 (1976-12-01), Sato
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Jackson David A.
Jillions John M.
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