Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1988-11-29
1990-12-18
Levy, Stuart S.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242 72R, B65H 7518
Patent
active
049780832
ABSTRACT:
A flangeless-type reel holder for a device manufacturing reels of video film including a ring-type leaf spring fitted around the reel holder. The reel holder is fitted around a sleeve mounted on a drive shaft of the device, by means of a bearing interposed therebetween. The reel holder is directly coupled to the outer rim of the bearing. The outer diameter of the leaf spring fitted around the reel holder is larger than that of an annular rim of the reel holder so that the inner peripheral surface of a reel hub to be fitted around the reel holder can closely contact with the outer surface of the leaf spring.
REFERENCES:
patent: 4133491 (1979-01-01), Yamazaki et al.
patent: 4139165 (1979-02-01), Dyck
patent: 4438888 (1984-03-01), Seelinger
patent: 4854518 (1989-08-01), Yamazaki et al.
duBois Steven M.
Levy Stuart S.
SKC Limited
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