Hub for information media

Details Hub for information media Hub for information media

1992-02-18

1993-11-02

Yasich, Daniel M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

206509, B65H 7518

Patent

active

052577490

ABSTRACT:
Abstract of the Disclosure: A flangeless stackable hub, on which compressing of the inner central bore is to be prevented during the winding up of an information medium in tape form under high winding pressure. According to one embodiment, this is achieved by an outer hub ring having a double-T profile being provided alongside the outer winding area and by there also being elastically deformable annular intermediate elements between outer hub ring and inner hub ring. In the case of another embodiment, variously shaped openings or notches, which are distributed evenly over the entire circumference, are provided on both sides of the hub between outer circumference and inner circumference. In addition, the hub contains alongside its inner circumference on both sides axial deformations, in order to avoid a shifting or twisting when hubs are stacked one on top of the other (FIG. 2, FIG. 4).

REFERENCES:
patent: 3066794 (1962-12-01), Mulheren et al.
patent: 3632053 (1972-01-01), Edwards
patent: 4052020 (1977-10-01), Knox
patent: 4081151 (1978-03-01), Ender et al.
patent: 4280670 (1981-07-01), Schor
patent: 4385734 (1983-05-01), Shiba
patent: 4923137 (1990-05-01), Jorgensen et al.

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